R3710

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© Semiconductor Components Industries, LLC, 2016 June, 2016 − Rev. 6

1 Publication Order Number:

Description

RHYTHM/C0116 R3710 is a preconfigured DSP system designed specifically for Invisible−In−Canal (IIC) hearing aid devices. Available in the industry’s smallest hybrid form−factors, it is well suited for hearing aid designs that are placed deep in the ear canal. Using miniaturized advanced packaging techniques, ON Semiconductor enables hearing aid manufacturers to take advantage of the highly compact size to produce IIC hearing aids that fit a greater portion of the market. Featuring iSceneDetect /C0116 environmental classification, adaptive noise reduction, feedback cancellation, and up to 8−channel WDRC, R3710 provides the advanced features and performance level typically found in high−end products. Acoustic Environment Classification − The iSceneDetect environmental classification algorithm is capable of analyzing the hearing aid user’s acoustic environment and automatically optimizes the hearing aid to maximize comfort and audibility. iLog/C0116 6.0 Datalogging − Enables the recording of various hearing aid parameters such as program selection, volume setting and ambient sound levels. The sampling interval can be configured to record from every 4 seconds up to once every 60 minutes. The fitting system can present the data to help the fitting specialist fine tune the hearing aid and counsel the wearer during follow up visits. Evoke/C0116 Advanced Acoustic Indicators − Allows manufacturers to provide more pleasing, multi−frequency tones simulating musical notes or chords to indicate events such as program or volume changes. Adaptive Feedback Canceller − Automatically reduces acoustic feedback and allows for an increase in the stable gain while minimizing artifacts for music and tonal input signals. Adaptive Noise Reduction − The adaptive noise reduction algorithm on R3710 monitors noise levels independently in 128 individual bands and employs advanced psychoacoustic models to provide user comfort. Tinnitus Masking − R3710 is equipped with a noise source that can be used to mask tinnitus. The noise can be shaped, attenuated, and duty cycled then summed into the audio path either before or after the volume control. In−situ Tone and Noise Generator − The narrow−band noise and tone stimulus feature can be used for in−situ validation of the hearing aid fitting. The frequency, level and duration of the stimuli are individually adjustable. www.onsemi.com PAD CONNECTION MARKING DIAGRAM R3710 XXXXXX R3710 = Specific Device Code XXXXXX = Work Order Number VIN2 VIN1 MS2 DVC OUT+ OUT− NC VC MS1 SDA CLK VB MGND VREG GND2 GND1 (Bottom View) 161514 678 See detailed ordering and shipping information on page 15 of this data sheet.

ORDERING INFORMATION

www.onsemi.com Other Key Features − R3710 also supports the following features: cross fading between audio paths for click−free program changes, 16−band graphic equalizer, 8 generic biquad filters (configurable as parametric or other filter types), programming speed enhancements, optional peak clipping, flexible compression adjustments, direct interfaces to analog or digital volume control, rocker switch, direct audio input and telecoil. R3710 also encompasses industry−leading security features to avoid cloning and software piracy.

Features

• Advanced Research Algorithms: ♦ iSceneDetect Environmental Classification ♦ 128−band Adaptive Noise Reduction ♦ Adaptive Feedback Cancellation (AFC)
• iLog 6.0 Datalogging
• Tinnitus Masking Noise Generator
• Evoke Acoustic Indicators
• 1, 2, 4, 6 or 8 Channel WDRC
• AGC−O with Variable Threshold, Time Constants, and Optional Adaptive Release
• 16−band Graphic Equalizer
• Narrow−Band Noise Stimulus
• SDA or I2C Programming
• 8 Biquadratic Filters
• 2 Analog Inputs
• 16 kHz or 8 kHz Bandwidth
• 4 Fully Configurable Memories with Audible Memory Change Indicator
• 96 dB Input Dynamic Range with HRX/C0116 Headroom Extension
• 128−bit Fingerprint Security System and Other Security Features to Protect Against Device Cloning and Software Piracy
• High Fidelity Audio CODEC
• Soft Acoustic Fade between Memory Changes
• Drives Zero−Bias 2−Terminal Receivers
• Internal or External Digital V olume Control with Programmable Range
• Rocker Switch Support
• Support for Active Hi or Active Lo Switching
• 20−bit Audio Processing
• thinSTAX™ Packaging
• E1 RoHS Compliant Hybrid
• These Devices are Pb−Free, Halogen Free/BFR Free and are RoHS Compliant thinSTAX Packaging
• Hybrid Typical Dimensions: 0.180 x 0.123 x 0.060 in. (nominal) (4.57 x 3.12 x 1.52 mm)

Figure 1. Hybrid Block Diagram

Table 1. ABSOLUTE MAXIMUM RATINGS should not be assumed, damage may occur and reliability may be affected. WARNING: Electrostatic Sensitive Device − Do not open packages or handle except at a static−free workstation. WARNING: Moisture Sensitive Device − RoHS Compliant; Level 4 MSL. Do not open packages except under controlled conditions. Table 2. ELECTRICAL CHARACTERISTICS (Supply Voltage VB = 1.25 V; Temperature = 25°C)

100 Hz − 8 kHz

Table 2. ELECTRICAL CHARACTERISTICS (Supply Voltage VB = 1.25 V; Temperature = 25°C) (continued) performance may not be indicated by the Electrical Characteristics if operated under different conditions.

Table 3. I2C TIMING period, the first clock pulse is generated.

1. A device must internally provide a hold time of at least 300 ns for the PC_SDA signal to bridge the undefined region of the falling edge of PC_CLK.
2. The maximum t HD;DAT has only to be met if the device does not stretch the LOW period (tLOW) of the PC_CLK signal.
3. A Fast−mode I 2C−bus device can be used in a Standard−mode I2C−bus system, but the requirement tSU;DAT P250ns must then be met.

to the Standard−mode I2C−bus specification) before the PC_CLK line is released.

1. C b = total capacitance of one bus line in pF.

Figure 2. I2C Mode Timing

www.onsemi.com SIGNAL PATH There are two inputs into the audio signal path. The first input is the front microphone and the second input can be a second microphone or telecoil input as selected by a programmable MUX. The front microphone input is intended as the main microphone audio input. Analog input signals should be ground referenced to MGND (microphones, telecoils, DAI). MGND is internally connected to GND to minimize noise, and should not be connected to any external ground point. The audio input is buffered, sampled and converted into digital form using an A/D converter. The digital output is converted into a selectable 32 kHz or 16 kHz, 20−bit digital audio signal. Further IIR filter blocks process the microphone signal. These are followed by four cascaded biquad filters: pre1, pre2, pre3 and pre4. These filters can be used for frequency response shaping before the signal goes through channel and adaptive processing. The channel and adaptive processing consists of the following:

• Frequency band analysis
• 1, 2, 4, 6 or 8 channel WDRC
• 16 frequency shaping bands (spaced linearly at 500 Hz intervals, except for first and last bands)
• 128 frequency band adaptive noise reduction
• Frequency band synthesis After the processing the signal goes through two more biquad filters, post1 and post2, which are followed by the AGC−O block. The AGC−O block incorporates the Wideband Gain and the Volume Control. There are also two more biquad filters, post3 and post4, and the Peak Clipper. The last stage in the signal path is the D/A H−bridge. White noise can be shaped, attenuated and then added into the signal path at two possible locations: before the V olume Control (between the Wideband Gain and the V olume Control) or after the Volume Control (between post 4 and the Peak Clipper) as shown in Figure 1. Functional Block Description iSceneDetect 1.0 Environment Classification The iSceneDetect feature, when enabled, will sense the environment and automatically control the enhancement algorithms without any user involvement. It will detect speech in quiet, speech in noise, music, quiet and noise environments and make the necessary adjustments to the parameters in the audio path, such as ANR, WDRC and FBC, in order to optimize the hearing aid settings for the specific environment. iSceneDetect will gradually make the adjustments so the change in settings based on the environment is smooth and virtually unnoticeable. This feature will enable the hearing aid wearer to have an instrument which will work in any environment with a single memory. Evoke Advanced Acoustic Indicators Advanced acoustic indicators provide alerting sounds that are more complex, more pleasing and potentially more meaningful to the end user than the simple tones used on previous products. The feature is capable of providing pulsed, multi−frequency pure tones with smooth on and off transitions and also damped, multi−frequency tones that can simulate musical notes or chords. A unique indicator sound can be assigned to each of the ten system events: memory select (A, B, C, or D), low battery warning, digital VC movement and digital VC minimum/maximum. Each sound can consist of a number of either pure tones or damped tones but not both. A pure tone sound can consist of up to four tones, each with a separate frequency, amplitude, duration and start time. Each frequency component is smoothly faded in and out with a fade time of 64 ms. The start time indicates the beginning of the fade in. The duration includes the initial fade−in period. By manipulating the frequencies, start times, durations and amplitudes various types of sounds can be obtained (e.g., various signalling tones in the public switched telephone network). A damped tone sound can consist of up to six tones, each with a separate frequency, amplitude, duration, start time and decay time. Each frequency component starts with a sudden onset and then decays according to the specified time constant. This gives the audible impression of a chime or ring. By manipulating the frequencies, start times, durations, decays and amplitudes, various musical melodies can be obtained. Acoustic indication can be used without the need to completely fade out the audio path. For example, the low−battery indicator can be played out and the user can still hear an attenuated version of the conversation. Adaptive Feedback Canceller The Adaptive Feedback Canceller (AFC) reduces acoustic feedback by forming an estimate of the hearing aid feedback signal and then subtracting this estimate from the hearing aid input. The forward path of the hearing aid is not affected. Unlike adaptive notch filter approaches, the AFC algorithm does not reduce the hearing aid’s gain. The AFC is based on a time−domain model of the feedback path. The third−generation AFC (see Figure 5) allows for an increase in the stable gain (see Note) of the hearing instrument while minimizing artefacts for music and tonal input signals. As with previous products, the feedback canceller provides completely automatic operation. NOTE: Added stable gain will vary based on hearing aid style and acoustic setup. Please refer to the Adaptive Feedback Cancellation Information note for more details.

Figure 5. Adaptive Feedback Canceller (AFC) attenuation gain independently in each of the 128 bands.

• Signal−to−Noise Ratio (SNR)
• Masking threshold
• Dynamics of the SNR per band The SNR in each band determines the maximum amount of attenuation to be applied to the band − the poorer the SNR, the greater the amount of attenuation. Simultaneously, in each band, the masking threshold variations resulting from the energy in other adjacent bands is taken into account. Finally, the noise reduction gain is also adjusted to take advantage of the natural masking of ‘noisy’ bands by speech bands over time. Based on this approach, only enough attenuation is applied to bring the energy in each ‘noisy’ band to just below the masking threshold. This prevents excessive amounts of attenuation from being applied and thereby reduces unwanted artifacts and audio distortion. The Noise Reduction algorithm efficiently removes a wide variety of types of noise, while retaining natural speech quality and level. The level of noise reduction (aggressiveness) is configurable to 3, 6, 9 and 12 dB of reduction. In−Situ Datalogging − iLog 6.0 R3710 has a datalogging function that records information every 4 seconds to 60 minutes (programmable) about the state of the hearing aid and its environment to non−volatile memory. The function can be enabled with the ARK software and information collection will begin the next time the hybrid is powered up. This information is recorded over time and can be downloaded for analysis. The following parameters are sampled:
• Battery level
• V olume control setting
• Program memory selection
• Environment
• Ambient sound level
• Length of time the hearing aid was powered on The information is recorded using two methods in parallel:
• Short−term method − a circular buffer is serially filled with entries that record the state of the first five of the above variables at the configured time interval.
• Long−term method − increments a counter based on the memory state at the same time interval as that of the short−term method. Based on the value stored in the counter, the length of time the hearing aid was powered on can be calculated. There are 750 log entries plus 4 memory select counters which are all protected using a checksum verification. A new log entry is made whenever there is a change in memory state, volume control, or battery level state. A new log entry can also be optionally made when the environmental sound level changes more than the programmed threshold, thus it is possible to log only significantly large changes in the environmental level, or not log them at all. The ARK software iLog graph displays the iLog data graphically in a way that can be interpreted to counsel the user and fine tune the fitting. This iLog graph can be easily incorporated into other applications or the underlying data can be accessed to be used in a custom display of the information. Tinnitus Treatment R3710 has an internal white noise generator that can be used for Tinnitus Treatment. The noise can be attenuated to a level that will either mask or draw attention away from the user’s tinnitus. The noise can also be shaped using low−pass and/or high−pass filters with adjustable slopes and corner frequencies. The noise can also be duty cycled. The on and off time of the noise stimulus can be adjusted so that the on time is from 1 − 30s as well as the off time. An off time set to 0s turns off the duty cycling. As shown in Figure 1, the Tinnitus Treatment noise can be injected into the signal path either before or after the volume control (VC) or it can be disabled. If the noise is injected before the VC then the level of the noise will change along with the rest of the audio through the device when the VC is adjusted. If the noise is injected after the VC then it is not affected by VC changes. The Tinnitus Treatment noise can be used on its own without the main audio path in a very low power mode by selecting the Tinnitus Treatment noise only. This is beneficial either when amplification is not needed at all by a user or if the user would benefit from having the noise supplied to them during times when they do not need acoustic cues but their sub−conscious is still active, such as when they are asleep. The ARK software has a Tinnitus Treatment tool that can be used to explore the noise shaping options of this feature.

adjustment in 1 dB increments. Note that the a0 coefficient is hard−wired to always be ‘1’. information related to the associated biquad. stable again, it can be re−enabled. microphone/telecoil compensation, low−frequency EQ, etc. software or controlled externally via a physical interface. functionality, although only one can be enabled at a time. also be used to control memory selects. momentary switch is depressed. next time the hybrid is powered on. Figure 7. Wiring for Digital Volume Control configurable through IDS in the IDS setting tab.

• MSSmode: this mode determines whether a connected switch is momentary or static.
• Donly: this parameter determines whether the MS2 switch is dedicated to the last memory position. There are four basic MS switch modes of operation as shown in Table 5 below.

Table 5. MS SWITCH MODES settings tab as shown in Table 6 below. Table 6. MS SWITCH LOGIC LEVELS VS. IDS PULLUPDOWN SETTINGS valid memory, a button press causes memory A to be loaded. parameter to ‘Momentary’ and ‘Donly’ to ‘disabled’. memory D is not used. Startup or during normal operation. returns to the last select memory. parameter to ‘Momentary’ and ‘Donly’ to ‘enabled’. Table 7. DYNAMIC EXAMPLE WITH FOUR VALID MEMORIES AND MS2 PULL−UP/PULL−DOWN = PULL−DOWN

This mode uses two static switches to change memories. invalid, the part defaults to memory A. parameter to ‘static’ and ‘Donly’ to ‘disabled’. Table 8. MEMORY SELECTED BY STATIC SWITCH This mode uses two static switches to change memories. selected depending on the state of the switches. parameter to ‘static’ and ‘Donly’ to ‘enabled’. Table 9. MEMORY SELECTED BY STATIC SWITCH memory before reaching the final memory. invalid, the part defaults to memory A. intermittent transients exceed the threshold.

www.onsemi.com audio output being enabled. This gives the user time to properly insert the hearing aid before the audio starts, avoiding the temporary feedback that can occur while the device is being inserted. During the delay period, momentary button presses are ignored. NOTE: The values set in IDS are relative values from 0 to 11 seconds; not absolute. The POR delay is relative to the configuration loaded on the WOLVERINE platform. Power Management Functionality As the voltage on the hearing aid battery decreases, an audible warning is given to the user indicating the battery life is low. In addition to this audible warning, the hearing aid takes other steps to ensure proper operation given the weak supply. The exact hearing aid behaviour in low supply conditions depends on the selected POR mode. The hearing aid has three POR modes:

• Shallow Reset Mode
• Deep Reset Mode
• Advanced Mode Shallow Reset Mode In Shallow Reset mode, the hearing aid will operate normally when the battery is above 0.95 V . Once the supply voltage drops below 0.95 V the audio will be muted and remain in that state until the supply voltage rises above 1.1 V. Once the supply voltage drops below the control logic ramp down voltage, the device will undergo a hardware reset. At this point, the device will remain off until the supply voltage returns to 1.1 V . When the supply voltage is below the control logic voltage, but above 0.6 V and rises above the

1.1 V turn on threshold, the device will activate its output

and operate from the memory that was active prior to reset. If the supply voltage drops below 0.6 V , and rises above the

1.1 V turn on threshold, the device will reinitialize, activate

its output and operate from memory A. Deep Reset Mode In Deep Reset mode, the hearing aid will operate normally when the battery is above 0.95 V . Once the supply voltage drops below 0.95 V the audio will be muted. The device remains in this state until the supply voltage drops below the hardware reset voltage of 0.6 V . When this occurs, the device will load memory A and operate normally after the supply voltage goes above 1.1 V . Advanced Reset Mode Advanced Reset Mode on R3710 is a more sophisticated power management scheme than shallow and deep reset modes. This mode attempts to maximize the device’s usable battery life by reducing the gain to stabilize the supply based on the instantaneous and average supply voltage levels. Instantaneous supply fluctuations below 0.95 V can trigger up to two 3 dB, instantaneous gain reductions. Average supply drops below 0.95 V can trigger up to eighteen, 1 dB average gain reductions. While the average supply voltage is above 0.95 V , an instantaneous supply voltage fluctuation below 0.95 V will trigger an immediate 3 dB gain reduction. After the 3 dB gain reduction has been applied, the advanced reset model holds off checking the instantaneous voltage level for a monitoring period of 30 second in order to allow the voltage level to stabilize. If after the stabilization time the instantaneous voltage drops a second time below 0.95 V during the next monitoring period, the gain will be reduced an additional 3 dB for a 6 dB total reduction and a 30 second stabilization time is activated. The advanced reset mode continues to monitor the instantaneous voltage levels over 30 second monitoring periods. If the instantaneous voltage remains above 1.1 V during that monitoring period, the gain will be restored to the original setting regardless of whether one or two gain reductions are applied. If two gain reductions are applied and the instantaneous voltage level remains above 1.0 V for a monitoring period, the gain will be restored to a 3 dB reduction. Should the average supply voltage drop below 0.95 V , the device will then reduce the gain by 1 dB every 10 seconds until either the average supply voltage rises above 0.95 V or a total of 18 average gain reductions have been applied, at which point the audio path will be muted. If the average supply voltage returns to a level above 1.1 V , the audio path will first be un−muted, if required. The gain will then be increased by 1 dB every 10 seconds until either the average supply voltage drops below 1.1 V , or all average gain reductions have been removed. No action is taken while the average supply voltage resides between 0.95 V and 1.1 V . NOTE: Instantaneous and average gain reductions are adjusted independently. When the instantaneous voltage falls below the hardware shutdown voltage, the device will undergo a hardware reset. When it turns back on because the voltage has risen above the turn−on threshold, it will behave the same as it would in shallow reset mode. Low Battery Notification Notification of the low battery condition via an acoustic indicator is optionally performed when the battery voltage drops below a configurable low battery notification threshold. The low battery indicator is repeated every five minutes until the device shuts down. Software and Security R3710 incorporates the following security features to protect the device from cloning and against software piracy:

• DLL protection by password − prevents a third party from using IDS to reconfigure parts.
• Hybrid authentication by 128−bit fingerprint to identify parts in application software − prevents a third party

www.onsemi.com from cloning a device’s EEPROM because the fingerprint cannot be overwritten. Special functions can be used in fitting software to reject parts that do not match the expected fingerprint. This would prevent the piracy of fitting software.

• DLL to hybrid pairing by using a software key in ARK to match product libraries with client software − a part can be ‘locked’ at manufacturing time so that it only communicates with the library it was programmed with. This prevents a third party from potentially upgrading a device with a different library in IDS or other application software. Full software support is provided for every stage of development from design to manufacturing to fitting. For details, refer to the Getting Started with the ARK Software information note. SDA and I2C Communication R3710 can be programmed using the SDA or I 2C protocol. During parameter changes, the main audio signal path of the hybrid is temporarily muted using the memory switch fader to avoid the generation of disturbing audio transients. Once the changes are complete, the main audio path is reactivated. Any changes made during programming are lost at power−off unless they are explicitly burned to EEPROM memory. Improvements have been made to the ARK software for R3710 resulting in increased communication speed. Certain parameters in ARKonline can be selected to reduce the number of pages that need to be read out. In SDA mode, R3710 is programmed via the SDA pin using industry standard programming boxes. I 2C mode is a two wire interface which uses the SDA pin for bidirectional data and CLK as the interface clock input. I 2C programming support is available on the HiPro (serial or USB versions) and ON Semiconductor’s DSP Programmer 3.0. Power Supply Considerations R3710 was designed to accommodate high power applications. AC ripple on the supply can cause instantaneous reduction of the battery’s voltage, potentially disrupting the circuit’s function. R3710 hybrids have a separate power supply and ground connections for the output stage. This enables hearing instrument designers to accommodate external RC filters to minimize any AC ripple from the supply line. Reducing this AC ripple greatly improves the stability of the circuit and prevents unwanted reset of the circuit caused by spikes on the supply line. For more information on properly designing a filter to reduce supply ripple, refer to the Using DSP Hybrids in High Power Applications Initial Design Tips information note. Input Connection and Layout Considerations It is recommended to connect unused audio input pins directly to MGND to minimize the possibility of noise pickup. Inputs are internally AC coupled, so there is no additional leakage current when inputs are connected directly to ground. In order to further minimize noise at the inputs the following guidelines are recommended:
• MGND is used as reference ground plane for input signals. All input components should be grounded to MGND. This ground plane should be isolated from all other ground connections in the system.
• Keep the input traces as short as possible and avoid routing traces near high noise sources such as the OUT+ and OUT− pins
• Star ground input component grounds to the MGND connection.

Device Package Shipping† R3710−CEAA−E1T SIP16 (Pb−Free)

250 Units / Tape & Reel

R3710−CEAA−E1 SIP16 (Pb−Free)

25 Units / Bubble Pack

†For information on tape and reel specifications, including part orientation and tape sizes, please refer to our Tape and Reel Packaging Specifications Brochure, BRD8011/D. Hybrid Jig Ordering Information To order a Hybrid Jig Evaluation Board for R3710 contact your Sales Account Manager or FAE and use part number R3710GEVB.

Table 10. PAD POSITION AND DIMENSIONS (mil)

1 VIN2 −71 44 23 23

2 VIN1 −42 44 21 23

3 MS2 −14 44 21 23

4 DVC 14 44 21 23

5 OUT+ 42 44 21 23

6 OUT− 71 44 23 23

9 VB 71 −44 23 23

10 CLK 42 −44 21 23

11 SDA 14 −44 21 23

12 MS1 −14 −44 21 23

13 VC −42 −44 21 23

14 NC −71 −44 23 23

1. Pin location is referenced to the center of the hybrid device.
2. Pad position is relative to the center of the hybrid pad.

Table 11. PAD POSITION AND DIMENSIONS (mm)

1. Pin location is referenced to the center of the hybrid device.
2. Pad position is relative to the center of the hybrid pad.

www.onsemi.com PACKAGE DIMENSIONS SIP16 4.57x3.12 CASE 127DX ISSUE O SEATING PLANE NOTES: 1. DIMENSIONING AND TOLERANCING PER ASME Y14.5M, 1994. 2. CONTROLLING DIMENSION: MILLIMETERS. 3. COPLANARITY APPLIES TO SPHERICAL CROWNS OF SOLDER BUMPS. 4. DIMENSION b IS MEASURED AT THE MAXI- MUM BUMP DIMENSION PARALLEL TO DA- TUM C. DIM A MIN MAX −−− MILLIMETERS b e e1 0.699 BSC 1.524 ÈÈÈ ÈÈÈ ÈÈÈ A B PIN 1 INDICATOR e A0.05 BC 0.03 C 0.05 C 16X b 0.13 C A1 C 0.052 0.152

0.711 BSC

*For additional information on our Pb−Free strategy and soldering details, please download the ON Semiconductor Soldering and Mounting Techniques Reference Manual, SOLDERRM/D. SOLDERING FOOTPRINT* TOP VIEW SIDE VIEW BOTTOM VIEW NOTE 3 RECOMMENDED A NOTE 4 D

3.124 BSC

0.343 BSC

−−− 1.372 0.503 0.536 L 0.503 0.536 E

0.356 BSC

4.572 BSC

0.13 C 0.13 C D E A0.05 BC 0.03 C 16X L NOTE 4 0.550 16X DIMENSIONS: MILLIMETERS 0.711 0.699 PACKAGE OUTLINE PITCH PITCH 1 0.550 16X 0.712 0.686 PUBLICATION ORDERING INFORMATION N. American Technical Support: 800−282−9855 Toll Free USA/Canada Europe, Middle East and Africa Technical Support: Phone: 421 33 790 2910 Japan Customer Focus Center Phone: 81−3−5817−1050 R3710/D iSceneDetect, iLog, HRX, RHYTHM, WOLVERINE, thinSTAX and EVOKE are trademarks of Semiconductor Components Industries, LLC. FRONTWAVE, PARAGON and ARKonline are registered trademarks of Semiconductor Components Industries, LLC. LITERATURE FULFILLMENT: Literature Distribution Center for ON Semiconductor P.O. Box 5163, Denver, Colorado 80217 USA Phone: 303−675−2175 or 800−344−3860 Toll Free USA/Canada Fax: 303−675−2176 or 800−344−3867 Toll Free USA/Canada Email: orderlit@onsemi.com ON Semiconductor Website: www.onsemi.com Order Literature: http://www.onsemi.com/orderlit For additional information, please contact your local Sales Representative ON Semiconductor and are trademarks of Semiconductor Components Industries, LLC dba ON Semiconductor or its subsidiaries i n the United States and/or other countries. ON Semiconductor owns the rights to a number of patents, trademarks, copyrights, trade secrets, and other intellectual property . A listing of ON Semiconductor’s product/patent ON Semiconductor makes no warranty, representation or guarantee regarding the suitability of its products for any particular purpose, nor does ON Semiconductor assume any liability arising out of the application or use of any product or circuit, and specifically disclaims any and all liability, including without limitation special, consequential or incidental damages. Buyer is responsible for its products and applications using ON Semiconductor products, including compliance with all laws, reg ulations and safety requirements or standards, regardless of any support or applications information provided by ON Semiconductor. “Typical” parameters which may be provided in ON Semiconductor data sheets and/or specifications can and do vary in different applications and actual performance may vary over time. All operating parameters, including “Typicals” must be validated for each customer application by customer’s technical experts. ON Semiconductor does not convey any license under its patent rights nor the right s of others. ON Semiconductor products are not designed, intended, or authorized for use as a critical component in life support systems or any FDA Class 3 medical devices or medical devices with a same or similar classification in a foreign jurisdiction or any devices intended for implantation in the human body. Should Buyer purchase or use ON Semiconductor products for any such unintended or unauthorized application, Buyer shall indemnify and hold ON Semiconductor and its officers, employees, subsidiaries, affiliates, and distributors harmless against all claims, costs, damages, and expenses, and reasonable attorney fees arising out of, directly or indirectly, any claim of personal injury or death associated with such unintended or unauthorized use, even if such claim alleges that ON Semiconductor was negligent regarding the design or manufacture of the part. ON Semiconductor is an Equal Opportunity/Affirmative Action Employer. This literature is subject to all applicable copyright laws and is not for resale in any manner.