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ADS7854IRTER

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Texas Instruments Analog To Digital Converters (ADC), WQFN-16-EP(3x3). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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ADS7854IRTER

Texas Instruments · Analog To Digital Converters (ADC) · WQFN-16-EP(3x3)

ADS7854IRTER from Texas Instruments, in a WQFN-16-EP(3x3). 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 REFIO_A bidirectional Reference voltage input/output for channel A, referenced to REFGND_A and limited to -0.3 V to AVDD + 0.3 V with respect to REFGND_x.
2 REFGND_A power_in Reference ground potential for channel A, which must stay within 0.3 V of GND (
3 REFGND_B power_in Reference ground potential for channel B, which must stay within 0.3 V of GND (
4 REFIO_B bidirectional Reference voltage input/output for channel B, referenced to REFGND_B and limited to -0.3 V to AVDD + 0.3 V with respect to REFGND_x.
5 AINM_B input Negative analog input for channel B, limited to -0.3 V to AVDD + 0.3 V with respect to REFGND_x; supports fully-differential input.
6 AINP_B input Positive analog input for channel B, limited to -0.3 V to AVDD + 0.3 V with respect to REFGND_x; supports fully-differential input.
7 DVDD power_in Digital I/O supply, specified at 3.3 V nominal, with absolute maximum of 6 V to GND.
8 SDI input Data input for serial communication; digital input voltage limited to GND - 0.3 V to DVDD + 0.3 V.
9 CS input Chip-select signal, active low, which brings the serial data bus out of 3-state when it falls.
10 SCLK input Clock for serial communication, with digital input voltage limited to GND - 0.3 V to DVDD + 0.3 V.
11 SDO_A output Data output for serial communication for channel A and channel B; in dual-SDO modes it carries the ADC_A conversion result.
12 SDO_B output Data output for serial communication for channel B; it stays in 3-state in single-SDO mode and can be left unconnected.
13 GND power_in Digital ground, the reference for the digital input and DVDD voltage limits.
14 AVDD power_in Analog supply voltage for ADC operation, specified at 5 V nominal, with absolute maximum of 6 V to REFGND_x.
15 AINP_A input Positive analog input for channel A, limited to -0.3 V to AVDD + 0.3 V with respect to REFGND_x; supports fully-differential input.
16 AINM_A input Negative analog input for channel A, limited to -0.3 V to AVDD + 0.3 V with respect to REFGND_x; supports fully-differential input.
17 Thermal Pad passive Exposed pad (from the footprint; not named in the datasheet pin table).

Key specifications

Parameter Value
Manufacturer Texas Instruments
Package WQFN-16-EP(3x3)
Category Data Acquisition
Pins 17

CAD (KiCad official)

  • Symbol: ADS7854IRTER
  • Footprint: Package_DFN_QFN:QFN-16-1EP_3x3mm_P0.5mm_EP1.7x1.7mm
  • 3D model: WQFN-16-EP(3x3) (KiCad packages3D, STEP)
  • 3D model files: ads7854irter-etched.step / ads7854irter-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); ads7854irter.step / ads7854irter.glb are the bare package body.

Provenance

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

  • Datasheet: Texas Instruments datasheet (74 pp, sha256 9dc9513f58274162, retrieved 2026-10-12, 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