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Contents

Pinout
Key specifications
CAD (KiCad official)
Provenance

README

markdown

ADS1292IRSMT

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

ADS1292IRSMT from Texas Instruments, in a VQFN-32-EP(4x4). Pinout and pin descriptions extracted from the manufacturer datasheet by ds2sf; 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
4	IN1P	input	Differential analog positive input 1
5	IN2N	input	Differential analog negative input 2
6	IN2P	input	Differential analog positive input 2
7	PGA2N	output	PGA2 inverting output
8	PGA2P	output	PGA2 noninverting output
9	VREFP	bidirectional	Positive reference voltage; internal 2.42 V or 4.033 V or external reference input
10	VREFN	input	Negative reference voltage; must be connected to AVSS
11	VCAP1	passive	Analog bypass capacitor connection
12	AVDD	power_in	Analog power supply, 2.7 V to 5.25 V
13	AVSS	power_in	Analog ground
14	CLKSEL	input	Master clock select; 0 for external clock, 1 for internal
15	PWDN/RESET	input	Power-down or system reset; active low
16	START	input	Start conversion control signal
17	CLK	input	Master clock input, 512 kHz or 2.048 MHz
18	CS	input	Chip select; active low
19	DIN	input	SPI serial data input
20	SCLK	input	SPI serial clock
21	DOUT	output	SPI serial data output
22	DRDY	output	Data ready indicator; active low
23	DVDD	power_in	Digital power supply, 1.7 V to 3.6 V
24	DGND	power_in	Digital ground
25	GPIO2/RCLK2	bidirectional	General-purpose I/O 2 or respiration clock 2 for ADS1292R
26	GPIO1/RCLK1	bidirectional	General-purpose I/O 1 or respiration clock 1 for ADS1292R
27	VCAP2	passive	Analog bypass capacitor connection
28	RLDINV	input	Right leg drive inverting input; connect to AVDD if not used
29	RLDIN/RLDREF	input	Right leg drive input to multiplexer 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 output or auxiliary input 3P
32	RESP_MODN/IN3N	bidirectional	N-side respiration excitation signal output or auxiliary input 3N
33	EP	passive	Exposed pad (from the footprint; not named in the datasheet pin table).

Key specifications

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

CAD (KiCad official)

Symbol: ADS1292IRSMT
Footprint: Package_DFN_QFN:QFN-32-1EP_4x4mm_P0.4mm_EP2.9x2.9mm
3D model: VQFN-32-EP(4x4) (KiCad packages3D, STEP)
3D model files: ads1292irsmt-etched.step / ads1292irsmt-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); ads1292irsmt.step / ads1292irsmt.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 2026-09-17, 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 0.2, primary claude-haiku-4-5-20251001 (text), consensus claude-sonnet-4-6 (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