FSA8069 ONSEMI | Alldatasheet
Document overview
- Manufacturer or author: Provided By ALLDATASHEET.COM(FREE DATASHEET DOWNLOAD SITE)
- PDF pages: 18
Technical content
To learn more about ON Semiconductor, please visit our website at www.onsemi.com Please note: As part of the Fairchild Semiconductor integration, some of the Fairchild orderable part numbers will need to change in order to meet ON Semiconductor’s system requirements. Since the ON Semiconductor product management systems do not have the ability to manage part nomenclature that utilizes an underscore (_), the underscore (_) in the Fairchild part numbers will be changed to a dash (-). This document may contain device numbers with an underscore (_). Please check the ON Semiconductor website to verify the updated device numbers. The most current and up-to-date ordering information can be found at www.onsemi.com. Please email any questions regarding the system integration to Fairchild_questions@onsemi.com. Is Now Part of ON Semiconductor and the ON Semiconductor logo are trademarks of Semico nductor Components Industries, LLC dba ON Semiconductor or its subsid iaries in the United States and/or other countries. ON Semiconductor ow ns the rights to a number to make changes without further notice to any products herein. ON Semicon ductor makes no warranty, representation or guarantee regarding the s uitability of its products for any particular purpose, nor does ON Semico nductor assume any liability arising out of the application or use of any product or circuit, and specifica lly disclaims any and all liability, including without limitation spe cial, consequential or incidental damages. Buyer is responsible for i ts products and applications using ON Semiconductor products, including compliance with all laws, regul ations and safety requirements or standards, regardless of any suppor t or applications information provided by ON Semiconductor. “Typica l” parameters which may be provided in ON Semiconductor data sheets and/or specifications can and do vary in diffe rent applications and actual performance may vary over time. All operat ing parameters, including “Typicals” must be validated for each custo mer application by customer’s technical experts. ON Semiconductor does not convey any license und er its patent rights nor the rights of others. ON Semiconductor products a re not designed, intended, or authorized for use as a critical compone nt in life support systems or any FDA Class 3 medical devices or medical devices with a same or similar classifica tion in a foreign jurisdiction or any devices intended for implantation i n the human body. Should Buyer purchase or use ON Semiconductor products fo r any such unintended or unauthorized application, Buyer shall indemnify and hold ON Semico nductor and its officers, employees, subsidiaries, affiliates, and di stributors harmless against all claims, costs, damages, and expense s, and reasonable attorney fees arising out of, directly or indirectly, any claim of personal injury or death associa ted with such unintended or unauthorized use, even if such claim alleges th at ON Semiconductor was negligent regarding the design or manufacture o f the part. ON Semiconductor is an Equal Opportunity/Affirmative Action Employer. This literatu re is subject to all applicable copyright laws and is not for resale in any manne r.
© 2014 Fairchild Semiconductor Corporation www.fairchildsemi.com FSA8069 • Rev. 1.3 FSA8069 — Audio Jack IC Featuring Impedance and Moisture Detection FSA8069 Audio Jack IC Featuring Impedance and Moisture Detection
Features
Detection: Accessory Plug-In Send / End Key Press Impedance Detection Prevents False Detection due to Moisture VDD: 3.0 V to 4.5 V VIO: 1.6 V to VDD THD (MIC): 0.01% Typical 15 kV Air Gap ESD Detects 7 Steps of Headset Impedance Integrates LDO for MIC Bias Circuit MIC Switch Removes Audio Jack “Pop” and “Click” Caused by MIC Bias
Applications
Any Device with 3.5 mm and 2.5 mm Audio Jack Cellular Phones, Smart Phones, and Tablets MP3, GPS, and PMP
Description
The FSA8069 is an audio jack detection switch for 3.5 mm and 2 .5 mm headsets. T he FSA8069 features impedance detection and moisture sensing, which prevents false detection of accessories in the audio jack. An integrated MIC switch allows a processor to configure attached accessories. An LDO provides DC bias to microphone and remote key circuit in accessory . The FSA8069 detects seven headset impedance steps and supports configurable gain in the amplifier according to the type of load. The architecture is designed to allow headphones to be used for listening to music from mobile handsets, personal media players, and portable peripheral devices. Processor Audio Codec I2C / Control FSA8069 Power LDO MICBIAS Impedance / Moisture Detection Audio Jack -+ Figure 1. Block Diagram
Ordering Information
Temperature Range Top Mark Package Packing Method FSA8069UCX(1) -40°C to 85°C MX 12-Ball WLCSP, 1.415 mm x 1.615 mm, 0.4 mm Pitch Tape & Reel Notes: 1. Includes backside lamination.
Figure 2. System Diagram
- 2.2 k Ω can generally be used in applications to bias the accessory microphone. Two separate resistors totaling
2.2 k with a large capacitor between them can improve noise rejection performance, as shown in Figure 7.
- A DC-blocking capacitor (typically 1 µF) should be used when the codec requires AC-coupled input only. This
capacitor can be removed and be tied to directly without C1 if the MICIN of the codec supports DC-coupled input.
- A pull-down resistor allows the FSA8069 to detect Hi-Z (open cable) ty pe accessories due to J_DET contact to
left when an accessory is inserted.
Figure 3. Pin Assignment (Through View)
© 2014 Fairchild Semiconductor Corporation www.fairchildsemi.com FSA8069 • Rev. 1.3 6 FSA8069 — Audio Jack IC Featuring Impedance and Moisture Detection Absolute Maximum Ratings Stresses exceeding the absolute maximum ratings may dama ge the device. The device may not function or be operable above the recommended operating conditions and stressing the parts to these levels is not recommended. In addition, extended exposure to stresses above the recommended operating conditions may affect device reliability. The absolute maximum ratings are stress ratings only. Symbol Parameter Min. Max. Unit VDD, VIO Supply Voltage from Battery -0.5 6.0 V VSW Switch I/O Voltage (MIC, J_MIC) -0.5 VDD+0.5 V VJD Input Voltage for J_DET Input -1.5 VDD+0.5 V IIK Input Clamp Diode Current -50 mA ISW Switch I/O Current 50 mA TSTG Storage Temperature Range -65 +150 C TJ Maximum Junction Temperature +150 C TL Lead Temperature (Soldering, 10 Seconds) +260 C ESD IEC 61000-4-2 System ESD Air Gap 15 kV Contact 8 Human Body Model, ANSI/ESDA/JEDEC JS-001-2012 J_DET, J_MIC, VDD, VIO, GND 8 All Other Pins 2 Charged Device Model, JEDEC JESD22-C101 All Pins 1 Recommended Operating Conditions The Recommended Operating Conditions table defines the condi tions for actual device operation. Recommended operating conditions are specified to ensure optimal perfo rmance to the datasheet specifications. Fairchild does not recommend exceeding them or designing to Absolute Maximum Ratings. Symbol Parameter Min. Max. Unit VDD Battery Supply Voltage 3.0 4.5 V VIO Parallel I/O Supply Voltage 1.6 VDD V VSW Switch Input Voltage (J_MIC, MIC) 0 3.0 V TA Operating Temperature -40 +85 ºC J_DETAudioV Audio Voltage Range on J_DET Pin -1.4 +1.4 V COUT LDO Output Capacitance 220 nF RJ_DET Resistance on Audio Accessory Left Channel to Generate Valid Attach 15.75 kΩ
© 2014 Fairchild Semiconductor Corporation www.fairchildsemi.com FSA8069 • Rev. 1.3 7 FSA8069 — Audio Jack IC Featuring Impedance and Moisture Detection All typical values are at TA=25°C, CIN_VDD=1.0 µF, CIN_VIO=0.1 µF, and COUT_LDO=0.22 µF unless otherwise specified. Symbol Parameter VDD (V) Conditions TA = -40 to +85°C Unit Min. Typ. Max. MIC Switch RON MIC Switch On Resistance 3.8 IOUT=30 mA, VIN=2.2 V 0.50 Ω RFLAT(ON) On Resistance Flatness 3.8 IOUT=30 mA, VIN=1.6 V to VDD 0.30 1.50 IOFF Power-Off Leakage Current Through Switch
0 MIC, J_MIC Ports
VA=4.3 V 3 µA ION Input Leakage Current MIC, J_MIC switch ON 3.0 to 4.5 Inputs VMIC, VJMIC=3.0 V, Other Side of Switch Port Floating 1 µA IOZ Off Leakage Current 4.5 MIC and J_MIC Port VIN=3.0 V 1 µA Key Press VCOMP Comparator Threshold for Key Detection 3.0 to 4.5 Detection Threshold (0Fh) [3:0]=1001 (790 mV) 0.79 V J_DET J_DETTolerance Tolerance between Impedance Detection Steps (see Table 1) 3.0 to 4.5 Impedance Detection Mode Parallel I/O (KP, INTB) VOH Output High Voltage IOH=-100 µA 0.8 × VIO V VOL Output Low Voltage IOL=+100 µA 0.2 × VIO I2C Controller DC Characteristics Fast Mode (400 kHz) VIL Low-Level Input Voltage 0.3 × VIO V VIH High-Level Input Voltage 0.7 × VIO V VOL1 Low-Level Output Voltage at 3 mA Sink Current (Open-Drain) VIO>2 V 0 0.4 V VIO<2 V 0.2 × VIO V Ii2C Input Current of I2C_SDA and I2C_SCL Pins, Input Voltage 0.26 V to 2.34 V -10 +10 µA Current IDD-SLNA Battery Supply Sleep Mode Current with No Accessory Attached and LDO Disabled 3.0 to 4.5 Static Current during Sleep Mode 1.5 µA IDD-SLWA Battery Supply Sleep Mode Current with Accessory Attached 3.0 to 4.5 Active Current 30 µA IDD_LDO LDO Quiescent Current 3.0 to 4.5 ILOAD=0 mA, COUT=0 pF, LDO Enabled 100 µA LDO IOUT Maximum Output Current 3.0 to 4.5 5 mA
© 2014 Fairchild Semiconductor Corporation www.fairchildsemi.com FSA8069 • Rev. 1.3 8 FSA8069 — Audio Jack IC Featuring Impedance and Moisture Detection All typical values are for V CC=3.3 V at T A=25°C, CIN_VDD=1.0 µF, C IN_VIO=0.1 µF, and C OUT_LDO=0.22 µF unless otherwise specified. Not production tested. Symbol Parameter VDD (V) Conditions Typical Unit MIC Switch THD Total Harmonic Distortion 3.0 RT=600 Ω, f=20 Hz to 20 kHz, VIN=2.0 V +0.5 Vpp Sine 0.01 % OIRR Off Isolation 3.0 f=20 kHz, RS=600 Ω, CL=0 pF, RT=600 Ω -85 dB PSRRsw Power Supply Rejection Ratio (at 217 Hz)
4.0 Power Supply Noise 300 mVPP,
87.5% Duty Cycle, -80 dB Timing Characteristics tPOLL ON Time of MIC Switch for Sensing SEND / END Key Press Oscillator Stable Time 3.0 to 4.5 I2C Register Adjustable (tPOLL[3:0]) 15 (Default) ms tWAIT Period of MIC Switching for Sensing SEND / END Key Press 3.0 to 4.5 I2C Register Adjustable (tWAIT[3:0]) 150 (Default) ms tDET_IN Debounce Time after J_DET Changes State from HIGH to LOW 3.0 to 4.5 I2C Register Adjustable (tDET_IN[3:0]) (Default) ms tMIC_SW_OPEN Time of MIC Switch Open after J_DET Changes State from LOW to HIGH 3.0 to 4.5 30 μs tKBK Debounce Time for Sensing SEND / END Key Press / Release 3.0 to 4.5 I2C Register Adjustable (tKBK[3:0]) 30 (Default) ms tDET_REM Debounce Time from Changing J_DET State from LOW to HIGH to Detect Jack Removal 3.0 to 4.5 I2C Register Adjustable (tDET_REM[3:0]) (Default) ms tEXTRA Additional Time to Keep Switch Closed in Music Mode after Key Release 3.0 to 4.5 600 ms tREG_DFT Time to Set Registers to Defaults from Falling and Rising VIO 3.0 to 4.5 1 ms LDO PSRRLDO Power Supply Rejection Ratio (at 217 Hz)
4.5 Power Supply Noise 300 mVPP,
87.5% Duty Cycle, COUT=1 µF -80 dB
- A Fast-Mode I2C-Bus® device can be used in a Standard-Mode I2C-Bus system, but the requirement tSU;DAT ≥
specification) before the I2C_SCL line is released.
- C b equals the total capacitance of one bus line in pF. If mixed with high-speed devices, faster fall times are
allowed according to the I2C specification. Figure 10. Definition of Timing for Full-Speed Mode Devices on the I 2C Bus Table 2. I 2C Slave Address
© 2014 Fairchild Semiconductor Corporation www.fairchildsemi.com FSA8069 • Rev. 1.3 10 FSA8069 — Audio Jack IC Featuring Impedance and Moisture Detection Register Map Addr. Register Type Reset Values Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0 01H Device ID R 0000XXXX Version ID Reserved* 02H Control R/W XXXX0010 Reserved Reserved Reserved Reserved LDO Enable Key Detection Enable Reserved for Future 03H Status R XXXX0000 Reserved Reserved Reserved Reserved Impedance Attached Status Impedance status [2:0] 000: Impedance Type 0 (16 Ω) 001: Impedance Type 1 (32 Ω) 010: Impedance Type 2 (64 Ω) 011: Impedance Type 3 (150 Ω) 100: Impedance Type 4 (300 Ω) 101: Impedance Type 5 (600 Ω) 110: Impedance Type 6 (2 kΩ) 111: Moisture Detection 04H Interrupt 1 R/C XXXXX000 Reserved Reserved Reserved Reserved Reserved Moisture Change Plug removal Plug insertion 05H Interrupt 2 R/C XX000000 Reserved Reserved Reserved Reserved Key Release Reserved Reserved Key Press 07H Interrupt Mask 1 R/W XXXXX000 Reserved Reserved Reserved* Reserved* Reserved* Moisture Change Mask Plug Removal Mask Plug Insertion Mask 08H Interrupt Mask 2 R/W XX000000 Reserved Reserved Reserved Reserved Key Release Mask Reserved Reserved Key Press Mask 0AH J_DET Timing R/W 00001001 Insert (tDET-IN) Removal (tDET_REM) 0BH Music Mode Timing R/W 00101000 Key-Press Polling Time (tPOLL) Key-Press Waiting Time (tWAIT) 0CH Key Debounce Timing R/W XXXX0101 Reserved Reserved Reserved Reserved Key-Press Debounce Timing (tKBK) 0EH Reserved R/W XXXX1000 Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved 0FH Detection Thresholds R/W 10011000 Key Threshold [3:0] Reserved Reserved Reserved Reserved 10H Reset R/W XXXXXXX0 Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reset Notes: 8. Do not use registers that are blank and reserved. 9. Write “0” to undefined register bits. 10. Values read from undefined register bits are not defined and are in valid.
Table 3. Address: 01H Type: Read Table 4. Address: 02H Type: Read/Write
0 Music Mode Enable 1
1 Reserved 1 Do Not Use
2 Key Detection Enable 1 0: Key detection disabled (Default)
3 LDO Enable 1 0: LDO disabled (Default)
Table 5. Address: 03H Type: Read
3 Impedance
Table 6. Address: 04H Type: Read/Clear
0 Plug Insertion 1 0: Plug Insertion not detected (Default)
1 Plug Removal 1 0: Plug removal not detected (Default)
2 Moisture Change 1 0: Moisture status not changed (Default)
Table 7. Address: 05H Type: Read/Clear
0 Key Press 1 0: Key not pressed (Default)
3 Key Release 1 0: Key not released (Default)
Table 8. Address: 07H Type: Read/Write
0 Plug Insertion Mask 1 0: Plug insert detection not masked (Default)
1 Plug Removal Mask 1 0: Plug removal detection not masked (Default)
2 Moisture Change Mask 1 0: Moisture change not masked (Default)
Table 9. Address: 08H Type: Read/Write
0 Key Press Mask 1 0: Key press not masked (Default)
3 Key Release Mask 1 0: Key release not masked (Default)
Table 10. Address: 0AH Type: Read/Write Table 11. Address: 0BH Type: Read/Write
Table 12. Address: 0CH Type: Read/Write
Table 13. Address: 0FH Type: Read/Write Table 14. Address: 10H Type: Read/Write 1: Reset Device – Reset all I2C register to default values.
www.onsemi.com 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. 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 www.onsemi.com LITERATURE FULFILLMENT: Literature Distribution Center for ON Semiconductor 19521 E. 32nd Pkwy, Aurora, Colorado 80011 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 Semiconductor Components Industries, LLC