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ADS112U04IPWR

Texas Instruments · Analog To Digital Converters (ADC) · TSSOP-16

ADS112U04IPWR from Texas Instruments, in a TSSOP-16. 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 GPIO1 bidirectional General-purpose input/output 1; input voltage is limited to DGND to DVDD.
2 GPIO0 bidirectional General-purpose input/output 0; input voltage is limited to DGND to DVDD.
3 RESET input Reset input, active low; input voltage is limited to DGND to DVDD.
4 DGND power_in Digital ground; the DVDD to DGND digital supply range is 2.3 V to 5.5 V.
5 AVSS power_in Negative analog power supply; in unipolar operation AVSS to DGND is limited to -0.1 V to 0.1 V.
6 AIN3 input Analog input 3; with the PGA disabled, the absolute input voltage is limited to AVSS - 0.1 V to AVDD + 0.1 V.
7 AIN2 input Analog input 2; with the PGA disabled, the absolute input voltage is limited to AVSS - 0.1 V to AVDD + 0.1 V.
8 REFN input Negative reference input; V(REFN) must stay between AVSS - 0.1 V and V(REFP) - 0.75 V.
9 REFP input Positive reference input; V(REFP) must stay between V(REFN) + 0.75 V and AVDD + 0.1 V.
10 AIN1 input Analog input 1; with the PGA disabled, the absolute input voltage is limited to AVSS - 0.1 V to AVDD + 0.1 V.
11 AIN0 input Analog input 0; with the PGA disabled, the absolute input voltage is limited to AVSS - 0.1 V to AVDD + 0.1 V.
12 AVDD power_in Positive analog power supply, 2.3 V to 5.5 V above AVSS in unipolar operation; connect a 100-nF (or larger) capacitor to AVSS.
13 DVDD power_in Positive digital power supply, 2.3 V to 5.5 V above DGND; connect a 100-nF (or larger) capacitor to DGND.
14 GPIO2/DRDY bidirectional General-purpose input/output 2 or data ready; active low.
15 TX output Serial data output of the 2-wire UART interface.
16 RX input Serial data input of the 2-wire UART interface; input voltage is limited to DGND to DVDD.

Key specifications

Parameter Value
Manufacturer Texas Instruments
Package TSSOP-16
Category Data Acquisition
Pins 16

CAD (KiCad official)

  • Symbol: ADS112U04IPWR
  • Footprint: Package_SO:TSSOP-16_4.4x5mm_P0.65mm
  • 3D model: TSSOP-16 (KiCad packages3D, STEP)
  • 3D model files: ads112u04ipwr-etched.step / ads112u04ipwr-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); ads112u04ipwr.step / ads112u04ipwr.glb are the bare package body.

Provenance

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

  • Datasheet: Texas Instruments datasheet (77 pp, sha256 6f8d0ff90a8f4ca9, retrieved 2026-10-08, tier: lcsc)
  • Datasheet language: Chinese. Pin names, descriptions, and specs on this page were extracted and translated to English by ds2sf; the linked PDF is the manufacturer original.
  • 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