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ADS1292RIRSMR

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Texas Instruments Analog Front End (AFE), QFN-32-EP(4x4). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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3D Model

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Symbol & Footprint

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Datasheet

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Contents

README

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ADS1292RIRSMR

Texas Instruments · Analog Front End (AFE) · QFN-32-EP(4x4)

ADS1292RIRSMR from Texas Instruments, in a QFN-32-EP(4x4). 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 PGA1N output PGA1 inverting output
2 PGA1P output PGA1 noninverting output
3 IN1N input Differential analog negative input 1; connect unused analog inputs to AVDD
4 IN1P input Differential analog positive input 1; connect unused analog inputs to AVDD
5 IN2N input Differential analog negative input 2; connect unused analog inputs to AVDD
6 IN2P input Differential analog positive input 2; connect unused analog inputs to AVDD
7 PGA2N output PGA2 inverting output
8 PGA2P output PGA2 noninverting output
9 VREFP bidirectional Positive reference voltage
10 VREFN input Negative reference voltage; must be connected to AVSS
11 VCAP1 passive Analog bypass capacitor
12 AVDD power_in Analog supply
13 AVSS power_in Analog ground
14 CLKSEL input Master clock select
15 PWDN/RESET input Power-down or system reset; active low
16 START input Start conversion
17 CLK input Master clock input
18 CS input Chip select
19 DIN input SPI data in
20 SCLK input SPI clock
21 DOUT output SPI data out
22 DRDY output Data ready; active low
23 DVDD power_in Digital power supply
24 DGND power_in Digital ground
25 GPIO2/RCLK2 bidirectional General-purpose I/O 2 or resp clock 2 (ADS1292R)
26 GPIO1/RCLK1 bidirectional General-purpose I/O 1 or resp clock 1 (ADS1292R)
27 VCAP2 passive Analog bypass capacitor
28 RLDINV input Right leg drive inverting input; connect to AVDD if not used
29 RLDIN/RLDREF input Right leg drive input to MUX or RLD amplifier noninverting input; connect to AVDD if not used
30 RLDOUT output Right leg drive output
31 RESP_MODP/IN3P bidirectional P-side respiration excitation signal for respiration (analog output) or auxiliary input 3P (analog input); connect unused analog inputs to AVDD
32 RESP_MODN/IN3N bidirectional N-side respiration excitation signal for respiration (analog output) or auxiliary input 3N (analog input); connect unused analog inputs to AVDD
33 Thermal Pad passive Exposed pad (from the footprint; not named in the datasheet pin table).

Key specifications

Parameter Value
Manufacturer Texas Instruments
Package QFN-32-EP(4x4)
Category Data Acquisition
Pins 33

CAD (KiCad official)

  • Symbol: ADS1292RIRSMR
  • Footprint: Package_DFN_QFN:QFN-32-1EP_4x4mm_P0.4mm_EP2.9x2.9mm
  • 3D model: QFN-32-EP(4x4) (KiCad packages3D, STEP)
  • 3D model files: ads1292rirsmr-etched.step / ads1292rirsmr-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); ads1292rirsmr.step / ads1292rirsmr.glb are the bare package body.

Provenance

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

  • Datasheet: Texas Instruments datasheet (83 pp, sha256 82b2aac52bf182df, retrieved 2026-10-03, 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-4-5-20251001 (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