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PCM1794ADB, in 3D

PCM1794ADB

Texas Instruments

-25℃~+85℃ 2 200kHz 24 3V~5.25V Audio Decoder I2S SSOP-28-208mil ADCs/DACs - Special Purpose ROHS

Extended
DatasheetJLCPCBLCSCti/PCM1794ADB
Category
ADCs, DACs Special Purpose
Package
SSOP-28
Pins
28

Overview

The PCM1794ADB is an ADCs, DACs Special Purpose made by Texas Instruments in a SSOP-28 package with 28 pins. -25℃~+85℃ 2 200kHz 24 3V~5.25V Audio Decoder I2S SSOP-28-208mil ADCs/DACs - Special Purpose ROHS.

PCBKit's library has its KiCad symbol (Audio:PCM1794A, from KiCad's library) and its footprint (Package_SO:SSOP-28_5.3x10.2mm_P0.65mm, from KiCad's library), ready for a KiCad board. 900 are in stock at JLCPCB (part C783606). 3 open-source boards in 3 repositories on GitHub use it.

Symbol

MONO1CHSL2DEM3LRCK4DATA5BCK6SCK7DGND8VDD9MUTE10FMT011FMT112ZERO13RST14VCC2R15AGND3R16IOUTR+17IOUTR-18AGND119IREF20VCOMR21VCOML22VCC123AGND224IOUTL+25IOUTL-26AGND3L27VCC2L28
Audio:PCM1794AFrom KiCad's library

Footprint

12345678910111213141516171819202122232425262728
Package_SO:SSOP-28_5.3x10.2mm_P0.65mmFrom KiCad's library

Parameters

8
Features
Digital filtering
Interface Type
I2S
Number of Channels
2
Operating Temperature
-25℃~+85℃
Resolution (Bits)
24
Sampling Rate
200kHz
The Chip Type
Audio Decoder
Voltage - Supply
3V~5.25V

Order codes

2

Pinout

28
The pins of the PCM1794ADB
PinNameType
1MONOInput
2CHSLInput
3DEMInput
4LRCKInput
5DATAInput
6BCKInput
7SCKInput
8DGNDPower in
9VDDPower in
10MUTEInput
11FMT0Input
12FMT1Input
13ZEROOpen collector
14RSTInput
15VCC2RPower in
16AGND3RPower in
17IOUTR+Output
18IOUTR-Output
19AGND1Power in
20IREFPassive
21VCOMROutput
22VCOMLPassive
23VCC1Power in
24AGND2Power in
25IOUTL+Output
26IOUTL-Output
27AGND3LPower in
28VCC2LPower in

Open-source boards using it

All 3
  • 2 layers88.9 × 73.7 mmHeadphone amp v2, the printed circuit board in 3D

    Headphone amp v2

    r4ptor/headphone-DAC-with-amp

    A portable (headphone) USB DAC with a separate conversion stage.

    95 parts3GPL-3.0
  • 4 layers68 × 45 mmInterface DAC, the printed circuit board in 3D

    Interface DAC

    nonameCCC/PHASE-1

    A compact modularized audio DAC & Headphone Amplifier.

    146 partsGPL-3.0
  • 4 layers280 × 100 mmDac board, the printed circuit board in 3D

    Dac board

    robmacl/ilemt_hw

    Hardware design files for ILEMT position tracker

    198 parts

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A picture
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A picture that opens the part, for a README
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Questions

Is there a KiCad symbol and footprint for the PCM1794ADB?

Yes. The symbol is Audio:PCM1794A and the footprint Package_SO:SSOP-28_5.3x10.2mm_P0.65mm, both drawn on this page. PCBKit places them on a board for you when you design with it.

What package is the PCM1794ADB?

SSOP-28, with 28 pins. Its footprint is drawn on this page.

Where is the PCM1794ADB datasheet?

Texas Instruments publishes it: the Datasheet link on this page opens it.

Where can I order the PCM1794ADB?

JLCPCB lists it as part C783606, with 900 in stock; the sellers' links on this page open their listings.

What can replace the PCM1794ADB?

Parts like it in the library: the PCM1804DB by Texas Instruments, the PCM2704CDB by Texas Instruments, the PCM1798DB by Texas Instruments and the PCM1796DB by Texas Instruments. Check their datasheets: a part that fits the footprint may still differ in its ratings.

Which open-source boards use the PCM1794ADB?

3 boards in 3 repositories on GitHub; the most starred are listed on this page, with their KiCad files.

Parts like it

8