Overview Files Discover Packages Releases Dependencies Issues Breadcrumbs Pull Requests Activity

main

Generated by kicad-footprint-generator · KiCad file format 20260206

Name	Last commit message	Last updated
docs	Publish 0.1.0 · Ray	1d ago
viewers	pcm1791adbr: viewers · Ray	1d ago
package.json	Publish 0.1.0 · Ray	1d ago
page.json	Set visibility: public · Ray	1d ago
pcm1791adbr-etched.glb	pcm1791adbr: factory component page (tier=lcsc) · Ray	1d ago
pcm1791adbr-etched.step	pcm1791adbr: factory component page (tier=lcsc) · Ray	1d ago
pcm1791adbr-hero.glb	pcm1791adbr: hero GLB from the etched model (keeps the MPN mark) · Ray	1d ago
pcm1791adbr-hero.overlay.json	Publish 0.1.0 · Ray	1d ago
pcm1791adbr.glb	Publish 0.1.0 · Ray	1d ago
pcm1791adbr.kicad_mod	Publish 0.1.0 · Ray	1d ago
pcm1791adbr.kicad_sym	Publish 0.1.0 · Ray	1d ago
pcm1791adbr.lbr	Publish 0.1.0 · Ray	1d ago
pcm1791adbr.step	Publish 0.1.0 · Ray	1d ago
README.md	Initial commit: component/pcm1791adbr · Ray	1d ago

PCM1791ADBR

Texas Instruments · ADCs/DACs - Special Purpose · SSOP-28

PCM1791ADBR from Texas Instruments, in a SSOP-28. 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	LRCK	input	Left and right clock (fS) input; Schmitt-trigger input, 5-V tolerant.
2	BCK	input	Bit clock input; Schmitt-trigger input, 5-V tolerant.
3	DATA	input	Serial audio data input; Schmitt-trigger input, 5-V tolerant.
4	MUTE	input	Analog output mute control; Schmitt-trigger input, 5-V tolerant.
5	SCK	input	System clock input; Schmitt-trigger input, 5-V tolerant.
6	RST	input	Reset; Schmitt-trigger input, 5-V tolerant.
7	VDD	power_in	Digital power supply, 3.3 V.
8	DGND	power_in	Digital ground.
9	AGNDF	power_in	Analog ground for DACFF.
10	VCCR	power_in	Analog power supply for R-channel I/V, 5 V.
11	AGNDR	power_in	Analog ground for R-channel I/V.
12	VOUTR−	output	R-channel analog voltage output −.
13	VOUTR+	output	R-channel analog voltage output +.
14	VCOM	passive	Internal bias decoupling pin.
15	VCCC	power_in	Analog power supply for internal bias and current DAC, 5 V.
16	AGNDC	power_in	Analog ground for internal bias and current DAC.
17	VOUTL+	output	L-channel analog voltage output +.
18	VOUTL−	output	L-channel analog voltage output −.
19	AGNDL	power_in	Analog ground for L-channel I/V.
20	VCCL	power_in	Analog power supply for L-channel I/V, 5 V.
21	VCCF	power_in	Analog power supply for DACFF, 5 V.
22	ZEROR	output	Zero flag for R-channel.
23	ZEROL	output	Zero flag for L-channel.
24	MSEL	input	I2C/SPI select; Schmitt-trigger input, 5-V tolerant.
25	MDO	tri_state	Mode control readback data output; 3-state output.
26	MDI	bidirectional	Mode control data input; Schmitt-trigger input and output with 5-V tolerant input, open-drain 3-state output in I2C mode, otherwise CMOS output.
27	MC	input	Mode control clock input; Schmitt-trigger input, 5-V tolerant.
28	MS	bidirectional	Mode control chip select input; Schmitt-trigger input and output with 5-V tolerant input and CMOS output.

Key specifications

Parameter	Value
Manufacturer	Texas Instruments
Package	SSOP-28
Category	Data Acquisition
Pins	28

CAD (KiCad official)

Symbol: PCM1791ADBR
Footprint: Package_SO:SSOP-28_5.3x10.2mm_P0.65mm
3D model: SSOP-28 (KiCad packages3D, STEP)
3D model files: pcm1791adbr-etched.step / pcm1791adbr-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); pcm1791adbr.step / pcm1791adbr.glb are the bare package body.

Provenance

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

Datasheet: Texas Instruments datasheet (63 pp, sha256 7f59e1288958b82d, retrieved 2026-10-08, tier: lcsc)
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