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DAC81402RHBR

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by adom

Texas Instruments Digital To Analog Converters (DAC), VQFN-32(5x5). 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

markdown

DAC81402RHBR

Texas Instruments · Digital To Analog Converters (DAC) · VQFN-32(5x5)

DAC81402RHBR from Texas Instruments, in a VQFN-32(5x5). 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 NC unconnected No connection.
2 NC unconnected No connection.
3 NC unconnected No connection.
4 NC unconnected No connection.
5 SENSENA input Channel-A sense pin for the negative voltage output load connection.
6 SENSEPA input Channel-A sense pin for the positive voltage output load connection.
7 CCOMPA input Channel-A external compensation capacitor connection pin improving output buffer stability with high capacitive loads.
8 OUTA output Channel-A analog output voltage.
9 SDO output Serial interface data output clocked from input shift register on rising or falling edges of SCLK as specified by FSDO bit.
10 SCLK input Serial interface clock.
11 SDIN input Serial interface data input clocked into input shift register on each falling edge of SCLK.
12 SYNC input Active low serial data enable frame synchronization signal enabling input shift register when low.
13 LDAC input Active low synchronization signal updating DAC outputs of channels configured in synchronous mode when low.
14 GND power_in Digital ground reference point.
15 IOVDD power_in IO supply voltage setting the digital I/O operating voltage for the device.
16 CLR input Active-low clear input clearing all outputs to their clear code when low.
17 OUTB output Channel-B analog output voltage.
18 CCOMPB input Channel-B external compensation capacitor connection pin improving output buffer stability with high capacitive loads.
19 SENSEPB input Channel-B sense pin for the positive voltage output load connection.
20 SENSENB input Channel-B sense pin for the negative voltage output load connection.
21 NC unconnected No connection.
22 NC unconnected No connection.
23 NC unconnected No connection.
24 NC unconnected No connection.
25 REFGND power_in Ground reference point for the internal reference.
26 REFIO bidirectional Reference input when operating with external reference or reference output when using internal reference; connect 150-nF capacitor to ground.
27 AVSS power_in Output buffers negative supply voltage.
28 AVDD power_in Output buffers positive supply voltage.
29 AGND power_in Analog ground reference point.
30 DVDD power_in Digital and analog supply voltage.
31 FAULT tri_state Open-drain fault-condition output requiring external 10-kΩ pullup resistor to voltage no higher than IOVDD.
32 RST input Active-low reset input causing power-on-reset event when low.
33 Thermal Pad passive Exposed pad (from the footprint; not named in the datasheet pin table).

Key specifications

Parameter Value
Manufacturer Texas Instruments
Package VQFN-32(5x5)
Category Data Acquisition
Pins 33

CAD (KiCad official)

  • Symbol: DAC81402RHBR
  • Footprint: Package_DFN_QFN:QFN-32-1EP_5x5mm_P0.5mm_EP3.3x3.3mm
  • 3D model: VQFN-32(5x5) (KiCad packages3D, STEP)
  • 3D model files: dac81402rhbr-etched.step / dac81402rhbr-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); dac81402rhbr.step / dac81402rhbr.glb are the bare package body.

Provenance

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

  • Datasheet: Texas Instruments datasheet (55 pp, sha256 21559801013f88d2, retrieved 2026-10-07, 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