TS9001-2

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© 2014 Silicon Laboratories, Inc. All rights reserved. PART INTERNAL REFERENCE OUTPUT STAGE IN- Connection SUPPLY CURRENT (nA) TS9001-1 Yes Push-Pull REF 600 TS9001-2 Yes Open-Drain REF 600

FEATURES

♦ Improved Electrical Performance over MAX9117-MAX9118 ♦ Guaranteed to Operate Down to +1.6V ♦ Ultra-Low Supply Current: 600nA ♦ Internal 1.252V ±1% Reference ♦ Input Voltage Range Extends 200mV Outside- the-Rails ♦ No Phase Reversal for Overdriven Inputs ♦ Output Stage: Push-pull (TS9001-1) Open-Drain (TS9001-2) ♦ Crowbar-Current-Free Switching ♦ Internal Hysteresis for Clean Switching ♦ 5-pin SC70 Packaging

APPLICATIONS

2-Cell Battery Monitoring/Management Medical Instruments Threshold Detectors/Discriminators Sensing at Ground or Supply Line Ultra-Low-Power Systems Mobile Communications Telemetry and Remote Systems

DESCRIPTION

The nanopower TS9001-1/2 analog comparators guarantee +1.6V operation, draw very little supply current, and have robust input stages that can tolerate input voltages beyond the power supply. Both products are the first analog comparator products in the “NanoWatt Analog” high-performance analog integrated circuits portfolio. The TS9001-1/2 draws 600nA of supply current and includes an on-board +1.252V±1% reference. These comparators are also electrically and form-factor identical to the MAX9117 and the MAX9118 family of analog comparators. Both comparators offer a 33% improvement in voltage reference initial accuracy and the TS9001-1 offers 73% higher output current drive. The TS9001-1’s push-pull output drivers were designed to drive 5mA loads from one supply rail to the other supply rail. The TS9001-2’s open-drain output stage make it easy to incorporate this analog comparator into systems t hat operate on different supply voltages. Both devices are available in an ultra-small 5-pin SC70 package. 1.6V Nanopower Comparator with Internal Reference TYPICAL APPLICATION CIRCUIT

Page 2 TS9001 Rev. 1.0 ABSOLUTE MAXIMUM RATINGS Output Voltage Continuous Power Dissipation (TA = +70°C) Electrical and thermal stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only and functional operation of the device at these or any other condition beyond those indicated in the op erational sections of the specifications is not implied. Exposure to any absolute maximum rating conditions for extended periods may affect device reliability and lifetime. PACKAGE/ORDERING INFORMATION ORDER NUMBER PART MARKING CARRIER QUANTITY TS9001-1IJ5 TAF Tape & Reel ----- TS9001-1IJ5T Tape & Reel 3000 TS9001-2IJ5 TAG Tape & Reel ----- TS9001-2IJ5T Tape & Reel 3000 Lead-free Program: Silicon Labs supplies only lead-free packaging. Please consult Silicon Labs for products specified with wider operating temperature ranges.

TS9001 Rev. 1.0 Page 3 ELECTRICAL CHARACTERISTICS: TS9001-1/2 VCC = +5V, VEE = 0V, VIN+ = VREF, TA = -40°C to +85°C, unless otherwise noted. Typical values are at TA = +25°C. See Note 1 PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS Supply Voltage Range VCC Inferred from the PSRR test TA = TMIN to TMAX 1.6 5.5 V Supply Current ICC VCC = 1.6V TA = +25°C 0.6 1 μA VCC = 5V TA = +25°C 0.68 1.30 TA = TMIN to TMAX 1.60 IN+ Voltage Range VIN+ Inferred from the output swing test VEE - 0.2 V CC + 0.2 V Input Offset Voltage VOS (Note 2) TA = +25°C 2 5 mV TA = TMIN to TMAX 10 Input-Referred Hysteresis VHB (Note 3) 4 mV Input Bias Current IB TA = +25°C 0.15 1 nA TA = TMIN to TMAX 2 Power-Supply Rejection Ratio PSRR V CC = 1.6V to 5.5V, TA = TMIN to TMAX 1 mV/V Output-Voltage Swing High V CC - VOH TS9001-1, VCC = 5V, ISOURCE = 5mA TA = +25°C 200 300 mV TA = TMIN to TMAX 400 TS9001-1, ISOURCE = 1mA VCC = 1.6V, TA = +25°C 100 150 VCC = 1.6V, TA = TMIN to TMAX 200 Output-Voltage Swing Low V OL VCC = 5V, ISINK = 5mA TA = +25°C 110 200 mV TA = TMIN to TMAX 300 ISINK = 1mA VCC = 1.6V, TA = +25°C 50 100 VCC = 1.6V, TA = TMIN to TMAX 150 Output Leakage Current ILEAK TS9001-2 only, VO = 5.5V 0.002 1 μA Output Short-Circuit Current I SC Sourcing, VO = VEE VCC = 5V 60 mA VCC = 1.6V 6 Sinking, VO = VCC VCC = 5V 90 VCC = 1.6V 10 High-to-Low Propagation Delay (Note 4) t PD- VCC = 1.6V 12 µs VCC = 5V 15 Low-to-High Propagation Delay (Note 4) tPD+ TS9001-1 only VCC = 1.6V 25 µs VCC = 5V 50 TS9001-2 only VCC = 1.6V, RPULLUP = 100kΩ 21 VCC = 5V, RPULLUP = 100kΩ 28 Rise Time tRISE TS9001-1 only, CL = 15pF 3.5 µs Fall Time tFALL CL = 15pF 2 µs Power-Up Time tON 1.2 ms Reference Voltage Temperature Coefficient TCV REF 10 ppm/°C Reference Output Voltage Noise e n BW = 10Hz to 100kHz 1 mVRMS BW = 10Hz to 100kHz, CREF = 1nF 0.2 Reference Line Regulation ∆VREF/ ∆VCC VCC = 1.6V to 5.5V 0.1 mV/V Reference Load Regulation ∆VREF/ ∆IOUT ∆IOUT = 10nA ±0.2 mV/nA Note 1: All specifications are 100% tested at TA = +25°C. Specification limits over temperature (TA = TMIN to TMAX) are guaranteed by device characterization, not production tested. Note 2: VOS is defined as the center of the hysteresis band at the input. Note 3: The hysteresis-related trip points are defined by the edges of the hysteresis band and measured with respect to the center of the hysteresis band (i.e., VOS). See Figure 2. Note 4: The propagation delays are specified with an input overdrive (VOVERDRIVE) of 100mV and an output load capacitance of CL = 15pF. VOVERDRIVE is defined above and is beyond the offset voltage and hysteresis of the comparator input. Reference voltage error should also be included.

Page 4 TS9001 Rev. 1.0 Supply Current vs Output Transition Frequency Supply Current vs Supply Voltage and Temperature SUPPLY CURENT - µA SUPPLY VOLTAGE - Volt Supply Current vs Temperature SUPPLY CURRENT - µA OUTPUT TRANSITION FREQUENCY - Hz TEMPERATURE - °C SUPPLY CURENT - µA VCC =+1.8V 0.5 0.7 0.9 1.1 1.3 Output Voltage Low vs. Sink Current VOL - mV SINK CURRENT- mA Output Voltage Low vs. Sink Current and Temperature SOURCE CURRENT- mA VCC – VOH - V 100 150 200 250 300 200 100 0.5 0.4 0.2 VCC =+5V VCC =+3V VCC =+1.8V VCC =+5V VCC =+3V TA = +25°C TA = +85°C TA = -40°C TA = +25°C TA = +85°C TA = -40°C VCC =+1.8V VCC =+5V VCC =+3V VOL - mV VCC =+1.8V VCC =+5V VCC =+3V TS9001-1 Output Voltage High vs Source Current 10 100 10k 1k 4 8 0 10 62 SINK CURRENT- mA TYPICAL PERFORMANCE CHARACTERISTICS VCC = +5V; VEE = 0V; CL = 15pF; VOVERDRIVE = 100mV; TA = +25°C, unless otherwise noted. 0.4 0.6 0.7 0.5 0.8 1.1 0.9 1 12 14 16 4 8 0 10 6 2 12 14 16 0.3 0.1 4 8 0 10 62 12 14 16 18 20

TS9001 Rev. 1.0 Page 5 Reference Voltage vs Temperature Hysteresis Voltage vs Temperature Offset Voltage vs Temperature Short-Circuit Source Current vs Temperature Short-Circuit Sink Current vs Temperature TS9001-1 Output Voltage High vs Source Current and Temperature SINK CURRENT- mA SOURCE CURRENT- mA SOURCE CURRENT- mA 0 8 12 16 4 0.4 0.3 0.2 0.1 120 100 120 100 -40 -15 35 60 8510 1.4 1.6 1.8 2.0 2.2 2.4 TA = +25°C TA = +85°C TA = -40°C VCC – VOH - V VCC =+1.8V VCC =+5V VCC =+3V VCC =+1.8V VCC =+5V VCC =+3V TEMPERATURE - °C TEMPERATURE - °C 140 VOS - mV TEMPERATURE - °C VHB - mV TEMPERATURE - °C REFERENCE VOLTAGE - V TYPICAL PERFORMANCE CHARACTERISTICS VCC = +5V; VEE = 0V; CL = 15pF; VOVERDRIVE = 100mV; TA = +25°C, unless otherwise noted. 0.5 0.6 -40 -15 35 60 8510 -40 -15 35 60 8510 -40 -15 35 60 8510 TEMPERATURE - °C -40 -15 35 60 8510 2.6 5.5 4.5 3.5 2.5 VCC =+1.8V, 3V VCC =+5V VCC =+1.8V VCC =+5VVCC =+3V 1.260 1.252 1.246 1.240 1.250 1.254 1.256 1.258 1.248 1.244 1.242

Page 6 TS9001 Rev. 1.0 TYPICAL PERFORMANCE CHARACTERISTICS VCC = +5V; VEE = 0V; CL = 15pF; VOVERDRIVE = 100mV; TA = +25°C, unless otherwise noted. Reference Voltage vs Supply Voltage SUPPLY VOLTAGE - Volt REFERENCE VOLTAGE - V 1.254 1.249 1.253 1.252 1.251 1.250 2 4 6 8 10 SOURCE CURRENT- nA VCC =+1.8V VCC =+3V, 5V Reference Voltage vs Reference Source Current REFERENCE VOLTAGE - V 1.260 1.252 1.246 1.240 1.250 1.254 1.256 1.258 1.248 1.244 1.242 SINK CURRENT- nA VCC =+1.8V VCC =+3V, 5V Reference Voltage vs Reference Sink Current REFERENCE VOLTAGE - V 2 4 6 8 10 0 1.260 1.252 1.246 1.240 1.250 1.254 1.256 1.258 1.248 1.244 1.242 VCC =+1.8V VCC =+5V VCC =+3V TEMPERATURE - °C tPD- - µs Propagation Delay (tPD-) vs Temperature -40 -15 10 35 85 60 TEMPERATURE - °C VCC =+1.8V VCC =+5V VCC =+3V tPD+ - µs -40 -15 10 35 85 60 TS9001-1 Propagation Delay (tPD+) vs Temperature 0.01 0.1 10 100 10001 VCC =+1.8V VCC =+5V VCC =+3V CAPACITIVE LOAD - nF tPD- - µs Propagation Delay (tPD-) vs Capacitive Load 100 120 140 160 180 200

TS9001 Rev. 1.0 Page 7 TS9001-2 Propagation Delay (tPD+) vs Pullup Resistance TYPICAL PERFORMANCE CHARACTERISTICS VCC = +5V; VEE = 0V; CL = 15pF; VOVERDRIVE = 100mV; TA = +25°C, unless otherwise noted. 10 30 40 50 20 VCC =+1.8V VCC =+5V VCC =+3V INPUT OVERDRIVE - mV tPD+ - µs RPULLUP - kΩ TS9001-2 Propagation Delay (tPD-) vs Pullup Resistance 100 1k 10 10k VCC =+1.8V VCC =+5V VCC =+3V tPD- - µs TS9001-1 Propagation Delay (tPD+) vs Input Overdrive RPULLUP - kΩ 200 140 10 100 1k 100k tPD+ - µs VCC =+1.8V VCC =+5V VCC =+3V 160 180 100 120 20µs/DIV Propagation Delay (tPD-) at VCC = +5V INPUT OUTPUT VCC =+1.8V VCC =+5V VCC =+3V CAPACITIVE LOAD - nF tPD+ - µs TS9001-1 Propagation Delay (tPD+) vs Capacitive Load 0.01 0.1 10 100 10001 100 120 140 160 180 0 10 20 30 40 VCC =+1.8V VCC =+5V VCC =+3V INPUT OVERDRIVE - mV tPD- - µs Propagation Delay (tPD-) vs Input Overdrive 100

Page 8 TS9001 Rev. 1.0 TYPICAL PERFORMANCE CHARACTERISTICS VCC = +5V; VEE = 0V; CL = 15pF; VOVERDRIVE = 100mV; TA = +25°C, unless otherwise noted. Propagation Delay (tPD-) at VCC = +1.8V 20µs/DIV Propagation Delay (tPD-) at VCC = +3V INPUT OUTPUT 20µs/DIV TS9001-1 Propagation Delay (tPD+) at VCC = +3V INPUT OUTPUT INPUT OUTPUT 20µs/DIV TS9001-1 Propagation Delay (tPD+) at VCC = +1.8V INPUT OUTPUT 20µs/DIV SUPPLY VOLTAGE - Volt INPUT OUTPUT 20µs/DIV TS9001-1 10kHz Transient Response at VCC = +1.8V 20µs/DIV TS9001-1 Propagation Delay (tPD+) at VCC = +5V INPUT OUTPUT

TS9001 Rev. 1.0 Page 9 TYPICAL PERFORMANCE CHARACTERISTICS VCC = +5V; VEE = 0V; CL = 15pF; VOVERDRIVE = 100mV; TA = +25°C, unless otherwise noted. INPUT OUTPUT 200µs/DIV TS9001-1 1kHz Transient Response at VCC = +5V Power-Up/Power-Down Transient Response INPUT OUTPUT 0.2s/DIV

Page 10 TS9001 Rev. 1.0 PIN FUNCTIONS TS9001-1 TS9001-2 NAME FUNCTION SC70-5

1 OUT Comparator Output

2 VEE Negative Supply Voltage

3 IN+ Comparator Noninverting Input

4 REF/IN- 1.252V Reference Output/Comparator Inverting Input — REF 1.252V Reference Output

5 VCC Positive Supply Voltage

— IN- Comparator Inverting Input BLOCK DIAGRAMS DESCRIPTION OF OPERATION Guaranteed to operate from +1.6V supplies, the TS9001-1 and the TS9001-2 analog comparators only draw 600nA supply current, feature a robust input stage that can tolerate input voltages 200mV beyond the power supply rails, and include an on- board +1.252V ±1% voltage reference. To insure clean output switching behavior, both analog comparators feature 4mV in ternal hysteresis. The TS9001-1’s push-pull output drivers were designed to minimize supply-current surges while driving ±5mA loads with rail-to-rail output swings. The open- drain output stage TS9001-2 can be connected to supply voltages above V CC to an absolute maximum of 6V above VEE. Where wired-OR logic connections are needed, their open-drain output stages make it easy to use this analog comparator. Input Stage Circuitry The robust design of the analog comparators’ input stage can accommodate any differential input voltage from V EE - 0.2V to V CC + 0.2V. Input bias currents are typically ±0.15nA so long as the applied input voltage remains between the supply rails. ESD protection diodes - connected internally to the supply rails - protect comparator inputs against overvoltage conditions. However, if the applied input voltage exceeds either or both supply rails, an increase in input current can occur when these ESD protection diodes start to conduct.

TS9001 Rev. 1.0 Page 11 Output Stage Circuitry Many conventional analog comparators can draw orders of magnitude higher supply current when switching. Because of this behavior, additional power supply bypass capacitance may be required to provide additional charge storage during switching. The design of the TS9001-1’s rail-to-rail output stage implements a technique that virtually eliminates supply-current surges when output transitions occur. The supply-current change as a function of output transition frequency exhibited by these analog comparators is very small. Material benefits of this attribute to battery-power applications are the increase in operating time and in reducing the size of power-supply filter capacitors. Internal Voltage Reference The TS9001-1/2’s internal +1.252V voltage reference exhibits a typical temperature coefficient of 40ppm/°C over the full -40°C to +85°C temperature range. An equivalent circuit for the reference section is illustrat ed in Figure 1. Since the output impedance of the voltage reference Is typically 200k Ω, its output can be bypassed with a low-leakage capacitor and is stable for any capacitive load. An external buffer – such as the TS1001 – can be used to buffer the voltage reference output for higher output current drive or to reduce reference output impedance. APPLICATIONS INFORMATION Low-Voltage, Low-Power Operation Because they were designed specifically for low- power, battery-operated applications, the TS9001- 1/2 comparators are an excellent choice. Under nominal conditions, approximate operating times for this analog comparator family is illustrated in Table 1 for a number of battery types and their corresponding charge capacities. Internal Hysteresis As a result of circuit noise or unintended parasitic feedback, many analog comparators often break into oscillation within their li near region of operation especially when the applied differential input voltage approaches 0V (zero volt). Externally-introduced hysteresis is a well-established technique to stabilizing analog comparator behavior and requires external components. As shown in Figure 2, adding comparator hysteresis creates two trip points: V THR (for the rising input voltage) and V THF (for the falling input voltage). The hysteresis band (V HB) is defined as the voltage difference between the two trip points. When a comparator’s input voltages are equal, hysteresis effectively forces one comparator input to move quickly past the other input, moving the input Table 1: Battery Applications using the TS9001 BATTERY TYPE RECHARGEABLE VFRESH (V) VEND-OF-LIFE (V) CAPACITY, AA SIZE (mA-h) TS9001 OPERATING TIME (hrs) Alkaline (2 Cells) No 3.0 1.8 2000 2.5 x 106 Nickel-Cadmium (2 Cells) Yes 2.4 1.8 750 937,500 Lithium-Ion (1 Cell) Yes 3.5 2.7 1000 1.25 x 106 Nickel-Metal- Hydride (2 Cells) Yes 2.4 1.8 1000 1.25 x 10 6 Figure 1: TS9001’s Internal VREF Output Equivalent Circuit

Page 14 Silicon Laboratories, Inc. TS9001 Rev. 1.0

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+1 (512) 416-8500 ▪ www.silabs.com PACKAGE OUTLINE DRAWING 5-Pin SC70 Package Outline Drawing (N.B., Drawings are not to scale) Patent Notice Silicon Labs invests in research and development to help our customers differentiate in the market with innovative low-power, small size, analog- intensive mixed-signal solutions. Silicon Labs' extensive patent portfolio is a testament to our unique approach and world-class engineering team. The information in this document is believed to be accurate in all respects at the time of publication but is subject to change without notice. Silicon Laboratories assumes no responsibility for errors and omissions, and disclaims responsibility for any consequences resulting from the use of information included herein. Additionally, Silicon Laboratories assumes no responsibility for the functioning of undescribed features or parameters. Silicon Laboratories reserves the right to make changes without further notice. Silicon Laboratories makes no warranty, representation or guarantee regarding the suitability of its products for any particular purpose, nor does Silicon Laboratories 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 consequential or incidental damages. Silicon Laboratories products are not designed, intended, or authorized for use in applications intended to support or sustain life, or for any other application in which the failure of the Silicon Laboratories product could create a situation where personal injury or death may occur. Should Buyer purchase or use Silicon Laboratories products for any such unintended or unauthorized application, Buyer shall indemnify and hold Silicon Laboratories harmless against all claims and damages. Silicon Laboratories and Silicon Labs are trademarks of Silicon Laboratories Inc. Other products or brandnames mentioned herein are trademarks or registered trademarks of their respective holders. 0.65 TYP. 1.30 TYP. 0.15 - 0.30 1.80 - 2.20 1.15 - 1.35 0.26 - 0.46 0.275 - 0.575 LEAD FRAME THICKNESS GAUGE PLANE NOTES: DOES NOT INCLUDE MOLD FLASH, PROTRUSIONS OR GATE BURRS. DOES NOT INCLUDE INTER-LEAD FLASH OR PROTRUSIONS. DIE IS FACING UP FOR MOLDING. DIE IS FACING DOWN FOR TRIM/FORM.3. 5. CONTROLLING DIMENSIONS IN MILIMITERS. ALL SIDE 1.80 - 2.40 0.00 - 0.10 1.00 MAX 0.10 - 0.18 0.15 TYP. 8º - 12º 0º - 8º 0.800 – 0.925 0.40 – 0.55

4 ALL SPECIFICATION COMPLY TO JEDEC SPEC MO-203 AA

1. ALL SPECIFICATIONS REFER TO JEDEC MO-203 AA 7. LEAD SPAN/STAND OFF HEIGHT/COPLANARITY ARE CONSIDERED AS SPECIAL CHARACTERISTIC

0.10 MAX

Silicon Laboratories intends to provide customers with the latest, accurate, and in-depth documentation of all peripherals and modules available for system and software implementers using or intending to use the Silicon Laboratories products. Characterization data, available modules and peripherals, memory sizes and memory addresses refer to each specific device, and "Typical" parameters provided can and do vary in different applications. Application examples described herein are for illustrative purposes only. Silicon Laboratories reserves the right to make changes without further notice and limitation to product information, specifications, and descriptions herein, and does not give warranties as to the accuracy or completeness of the included information. Silicon Laboratories shall have no liability for the consequences of use of the information supplied herein. This document does not imply or express copyright licenses granted hereunder to design or fabricate any integrated circuits. The products must not be used within any Life Support System without the specific written consent of Silicon Laboratories. A "Life Support System" is any product or system intended to support or sustain life and/or health, which, if it fails, can be reasonably expected to result in significant personal injury or death. Silicon Laboratories products are generally not intended for military applications. Silicon Laboratories products shall under no circumstances be used in weapons of mass destruction including (but not limited to) nuclear, biological or chemical weapons, or missiles capable of delivering such weapons. Trademark Information Silicon Laboratories Inc., Silicon Laboratories, Silicon Labs, SiLabs and the Silicon Labs logo, CMEMS®, EFM, EFM32, EFR, Energy Micro, Energy Micro logo and combinations thereof, "the world’s most energy friendly microcontrollers", Ember®, EZLink®, EZMac®, EZRadio®, EZRadioPRO®, DSPLL®, ISOmodem ®, Precision32®, ProSLIC®, SiPHY®, USBXpress® and others are trademarks or registered trademarks of Silicon Laboratories Inc. ARM, CORTEX, Cortex-M3 and THUMB are trademarks or registered trademarks of ARM Holdings. Keil is a registered trademark of ARM Limited. All other products or brand names mentioned herein are trademarks of their respective holders. http://www.silabs.com Silicon Laboratories Inc.

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