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ADS131M04IPWT

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Texas Instruments Analog To Digital Converters (ADCs), TSSOP-20. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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Contents

README

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ADS131M04IPWT

Texas Instruments · Analog To Digital Converters (ADCs) · TSSOP-20

ADS131M04IPWT from Texas Instruments, in a TSSOP-20. Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.

Pinout

Pin Name Type Function
1 AVDD power_in Analog supply; connect a 1-µF capacitor to AGND.
2 AGND power_in Analog ground.
3 AIN0P input Positive analog input 0.
4 AIN0N input Negative analog input 0.
5 AIN1N input Negative analog input 1.
6 AIN1P input Positive analog input 1.
7 AIN2P input Positive analog input 2.
8 AIN2N input Negative analog input 2.
9 AIN3N input Negative analog input 3.
10 AIN3P input Positive analog input 3.
11 SYNC/RESET input Conversion synchronization or system reset; active low.
12 CS input Chip select; active low.
13 DRDY output Data ready; active low.
14 SCLK input Serial data clock.
15 DOUT output Serial data output.
16 DIN input Serial data input.
17 CLKIN input Master clock input.
18 CAP output Digital low-dropout (LDO) regulator output; connect a 220-nF capacitor to DGND.
19 DGND power_in Digital ground.
20 DVDD power_in Digital I/O supply; connect a 1-µF capacitor to DGND.

Key specifications

Parameter Value
Manufacturer Texas Instruments
Package TSSOP-20
Category Data Converters
Pins 20

Electrical characteristics

Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).

Parameter Symbol Min Typ Max Unit Conditions Page
Power-supply voltage AVDD to AGND -0.3 3.9 V 5
AGND to DGND -0.3 0.3 V 5
DVDD to DGND -0.3 3.9 V 5
DVDD to DGND, CAP tied to DVDD -0.3 2.2 V CAP tied to DVDD 5
CAP to DGND -0.3 2.2 V 5
Analog input voltage AINxP, AINxN -1.6 V Min printed as AGND, 1.6 V (value relative to AGND); max printed as AVDD + 0.3 V (not numeric) 5
Digital input voltage CS, CLKIN, DIN, SCLK, SYNC/RESET -0.3 V Min printed as DGND, 0.3 V (value relative to DGND); max printed as DVDD + 0.3 V (not numeric) 5
Input current, continuous, all pins except power-supply pins -10 10 mA 5
Junction temperature TJ 150 °C 5
Storage temperature Tstg -60 150 °C 5
ESD, Human body model (HBM) V(ESD) -2000 2000 V Per ANSI/ESDA/JEDEC JS-001 5
ESD, Charged device model (CDM) V(ESD) -500 500 V Per JEDEC JESD22-C101 5
Analog power supply, normal operating modes AVDD 2.7 3 3.6 V AVDD to AGND, normal operating modes 6
Analog power supply, standby and current-detect modes AVDD 2.4 3 3.6 V AVDD to AGND, standby and current-detect modes 6
AGND to DGND -0.3 0 0.3 V 6
Digital power supply DVDD 2.7 3 3.6 V DVDD to DGND 6
Digital power supply, digital LDO bypassed DVDD 1.65 1.8 2 V DVDD to DGND, DVDD shorted to CAP (digital LDO bypassed) 6
Absolute input voltage VAINxP, VAINxN -1.3 V Gain = 1, 2, or 4; min printed as AGND, 1.3 V (value relative to AGND); max printed as AVDD (not numeric) 6
External clock frequency, high-resolution mode fCLKIN 0.3 8.192 8.4 MHz High-resolution mode 6
External clock frequency, low-power mode fCLKIN 0.3 4.096 4.15 MHz Low-power mode 6
External clock frequency, very-low-power mode fCLKIN 0.3 2.048 2.08 MHz Very-low-power mode 6
Duty cycle, external clock 40 50 60 % 6
Operating ambient temperature TA -40 125 °C 6
Gain error -0.1 0.1 % 7
Offset error (input referred) -175 175 µV 7
Offset error (input referred), global-chop mode, channel 0 -35 35 µV Global-chop mode, channel 0 7
Offset error (input referred), global-chop mode, channels 1-3 -15 15 µV Global-chop mode, channels 1-3 7
Internal reference accuracy -0.1 0.1 % TA = 25°C 8
Dynamic range 99 102 dB Gain = 1 7
Internal voltage reference temperature drift 7.5 20 ppm/°C 8
Differential input impedance (as current per volt) Zin -1 1 µA/V Gain = 8, 16, 32, 64, or 128; specified as current per volt, printed ±1 µA/V 7
Logic input level, low VIL 0.2 DVDD Printed as 0.2 DVDD (fraction of DVDD) 8
Logic input level, high VIH 0.8 DVDD Printed as 0.8 DVDD (fraction of DVDD) 8
Logic output level, low VOL 0.2 DVDD IOL = -1 mA; printed as 0.2 DVDD 8
Logic output level, high VOH 0.8 DVDD IOH = 1 mA; printed as 0.8 DVDD 8
Input current IIN -1 1 µA DGND < VDigital Input < DVDD 8
Analog supply current, high-resolution mode IAVDD 3.5 4 mA High-resolution mode 8
Analog supply current, low-power mode IAVDD 2 2.2 mA Low-power mode 8
Analog supply current, very-low-power mode IAVDD 1 1.2 mA Very-low-power mode 8
Digital supply current, high-resolution mode IDVDD 0.4 0.5 mA High-resolution mode; SPI idle 8
Digital supply current, low-power mode IDVDD 0.2 0.3 mA Low-power mode; SPI idle 8
Digital supply current, very-low-power mode IDVDD 0.1 0.2 mA Very-low-power mode; SPI idle 8
Internal voltage reference VREF 1.2 V 8
Differential input impedance Zin 300 kΩ Gain = 1, 2, or 4 7
Input bias current IB 0.6 µA Gain = 1, 2, or 4, VINP = VINN = 0 V, IB = (IBP + IBN) / 2 7
Input bias current IB 0.2 µA Gain = 8, 16, 32, 64 or 128, VINP = VINN = 0 V 7
Offset drift 300 nV/°C 7
Gain drift 1 ppm/°C 7
Integral nonlinearity (best fit) INL 6 ppm of FSR Best fit 7
Input-referred noise 5.35 µVRMS 7
Startup time 0.5 ms Measured from supplies at 90% to first DRDY falling edge 7
Analog supply current, standby mode IAVDD 0.3 µA Standby mode 8
Digital supply current, standby mode IDVDD 1 µA Standby mode 8
Junction-to-ambient thermal resistance, PW (TSSOP) RθJA 94.9 °C/W PW (TSSOP), 20 pins 6
Junction-to-case (top) thermal resistance, PW (TSSOP) RθJC(top) 34.9 °C/W PW (TSSOP), 20 pins 6
Junction-to-board thermal resistance, PW (TSSOP) RθJB 46.4 °C/W PW (TSSOP), 20 pins 6

CAD (KiCad official)

  • Symbol: ADS131M04IPWT
  • Footprint: Package_SO:TSSOP-20_4.4x6.5mm_P0.65mm
  • 3D model: TSSOP-20 (KiCad packages3D, STEP)
  • 3D model files: ads131m04ipwt-etched.step / ads131m04ipwt-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); ads131m04ipwt.step / ads131m04ipwt.glb are the bare package body.

Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

  • Datasheet: Texas Instruments datasheet (105 pp, sha256 9045cd7c70e4d8dc, retrieved 2026-10-28, tier: manufacturer)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-haiku-5-5 (text), consensus claude-sonnet-5-5 (agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish.
  • CAD: KiCad official libraries (CC-BY-SA 4.0).

Datasheet PDF