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PCM1792ADB
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Texas Instruments ADCs/DACs - Special Purpose, SSOP-28. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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README.mdadded+64@@ -0,0 +1,64 @@+# PCM1792ADB++**Texas Instruments** · ADCs/DACs - Special Purpose · SSOP-28++PCM1792ADB 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 | ZEROL | bidirectional | L-channel zero flag output; 5-V tolerant Schmitt input and CMOS output. |+| 2 | ZEROR | bidirectional | R-channel zero flag output; 5-V tolerant Schmitt input and CMOS output. |+| 3 | MSEL | input | I2C/SPI mode select input; 5-V tolerant Schmitt trigger. |+| 4 | LRCK | input | Left and right clock (fS) input for normal operation, sampling frequency 10-200 kHz; 5-V tolerant Schmitt trigger. |+| 5 | DATA | input | Serial audio data input for normal operation, accepts 16-, 20-, and 24-bit audio data; 5-V tolerant Schmitt trigger. |+| 6 | BCK | input | Bit clock input for serial audio data; 5-V tolerant Schmitt trigger. |+| 7 | SCK | input | System clock input supporting 128, 192, 256, 384, 512, or 768 fS with autodetect; 5-V tolerant Schmitt trigger. |+| 8 | DGND | power_in | Digital ground. |+| 9 | VDD | power_in | Digital power supply, nominal 3.3 V; range 3.0 to 3.6 Vdc. |+| 10 | MS | bidirectional | Mode control chip-select input; 5-V tolerant Schmitt input and output. |+| 11 | MDI | input | Mode control data input; 5-V tolerant Schmitt trigger. |+| 12 | MC | input | Mode control clock input; 5-V tolerant Schmitt trigger. |+| 13 | MDO | tri_state | Mode control readback data output with 5-V tolerant Schmitt input; CMOS output in normal mode or open-drain 3-state output in I2C mode. |+| 14 | RST | input | Reset input; 5-V tolerant Schmitt trigger. |+| 15 | VCC2R | power_in | Analog power supply for R-channel DACFF, nominal 5 V; range 4.75 to 5.25 Vdc. |+| 16 | AGND3R | power_in | Analog ground for R-channel DACFF. |+| 17 | IOUTR+ | output | R-channel differential current output+; full-scale output current 7.8 mA p-p. |+| 18 | IOUTR- | output | R-channel differential current output-; full-scale output current 7.8 mA p-p. |+| 19 | AGND1 | power_in | Analog ground (internal bias). |+| 20 | IREF | passive | Output current reference bias pin for setting full-scale output current. |+| 21 | VCOMR | passive | R-channel internal bias decoupling pin. |+| 22 | VCOML | passive | L-channel internal bias decoupling pin. |+| 23 | VCC1 | power_in | Analog power supply, nominal 5 V; range 4.75 to 5.25 Vdc; VCC1, VCC2L, and VCC2R must be within ±0.1 V. |+| 24 | AGND2 | power_in | Analog ground (internal bias). |+| 25 | IOUTL+ | output | L-channel differential current output+; full-scale output current 7.8 mA p-p. |+| 26 | IOUTL- | output | L-channel differential current output-; full-scale output current 7.8 mA p-p. |+| 27 | AGND3L | power_in | Analog ground for L-channel DACFF. |+| 28 | VCC2L | power_in | Analog power supply for L-channel DACFF, nominal 5 V; range 4.75 to 5.25 Vdc. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | SSOP-28 |+| Category | Data Acquisition |+| Pins | 28 |++## CAD (KiCad official)++- Symbol: `PCM1792ADB`+- Footprint: `Package_SO:SSOP-28_5.3x10.2mm_P0.65mm`+- 3D model: SSOP-28 (KiCad packages3D, STEP)+- 3D model files: `pcm1792adb-etched.step` / `pcm1792adb-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `pcm1792adb.step` / `pcm1792adb.glb` are the bare package body.++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [Texas Instruments datasheet](https://www.ti.com/cn/lit/gpn/pcm1792a) (63 pp, sha256 `7d3cd83bea6d6eeb`, retrieved 2026-10-05, tier: lcsc)+- **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](docs/pcm1792adb-datasheet.pdf)
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5-V tolerant Schmitt input and CMOS output."+ },+ {+ "number": "2",+ "name": "ZEROR",+ "type": "bidirectional",+ "description": "R-channel zero flag output; 5-V tolerant Schmitt input and CMOS output."+ },+ {+ "number": "3",+ "name": "MSEL",+ "type": "input",+ "description": "I2C/SPI mode select input; 5-V tolerant Schmitt trigger."+ },+ {+ "number": "4",+ "name": "LRCK",+ "type": "input",+ "description": "Left and right clock (fS) input for normal operation, sampling frequency 10-200 kHz; 5-V tolerant Schmitt trigger."+ },+ {+ "number": "5",+ "name": "DATA",+ "type": "input",+ "description": "Serial audio data input for normal operation, accepts 16-, 20-, and 24-bit audio data; 5-V tolerant Schmitt trigger."+ },+ {+ "number": "6",+ "name": "BCK",+ "type": "input",+ "description": "Bit clock input for serial audio data; 5-V tolerant Schmitt trigger."+ },+ {+ "number": "7",+ "name": "SCK",+ "type": "input",+ "description": "System clock input supporting 128, 192, 256, 384, 512, or 768 fS with autodetect; 5-V tolerant Schmitt trigger."+ },+ {+ "number": "8",+ "name": "DGND",+ "type": "power_in",+ "description": "Digital ground."+ },+ {+ "number": "9",+ "name": "VDD",+ "type": "power_in",+ "description": "Digital power supply, nominal 3.3 V; range 3.0 to 3.6 Vdc."+ },+ {+ "number": "10",+ "name": "MS",+ "type": "bidirectional",+ "description": "Mode control chip-select input; 5-V tolerant Schmitt input and output."+ },+ {+ "number": "11",+ "name": "MDI",+ "type": "input",+ "description": "Mode control data input; 5-V tolerant Schmitt trigger."+ },+ {+ "number": "12",+ "name": "MC",+ "type": "input",+ "description": "Mode control clock input; 5-V tolerant Schmitt trigger."+ },+ {+ "number": "13",+ "name": "MDO",+ "type": "tri_state",+ "description": "Mode control readback data output with 5-V tolerant Schmitt input; CMOS output in normal mode or open-drain 3-state output in I2C mode."+ },+ {+ "number": "14",+ "name": "RST",+ "type": "input",+ "description": "Reset input; 5-V tolerant Schmitt trigger."+ },+ {+ "number": "15",+ "name": "VCC2R",+ "type": "power_in",+ "description": "Analog power supply for R-channel DACFF, nominal 5 V; range 4.75 to 5.25 Vdc."+ },+ {+ "number": "16",+ "name": "AGND3R",+ "type": "power_in",+ "description": "Analog ground for R-channel DACFF."+ },+ {+ "number": "17",+ "name": "IOUTR+",+ "type": "output",+ "description": "R-channel differential current output+; full-scale output current 7.8 mA p-p."+ },+ {+ "number": "18",+ "name": "IOUTR-",+ "type": "output",+ "description": "R-channel differential current output-; full-scale output current 7.8 mA p-p."+ },+ {+ "number": "19",+ "name": "AGND1",+ "type": "power_in",+ "description": "Analog ground (internal bias)."+ },+ {+ "number": "20",+ "name": "IREF",+ "type": "passive",+ "description": "Output current reference bias pin for setting full-scale output current."+ },+ {+ "number": "21",+ "name": "VCOMR",+ "type": "passive",+ "description": "R-channel internal bias decoupling pin."+ },+ {+ "number": "22",+ "name": "VCOML",+ "type": "passive",+ "description": "L-channel internal bias decoupling pin."+ },+ {+ "number": "23",+ "name": "VCC1",+ "type": "power_in",+ "description": "Analog power supply, nominal 5 V; range 4.75 to 5.25 Vdc; VCC1, VCC2L, and VCC2R must be within ±0.1 V."+ },+ {+ "number": "24",+ "name": "AGND2",+ "type": "power_in",+ "description": "Analog ground (internal bias)."+ },+ {+ "number": "25",+ "name": "IOUTL+",+ "type": "output",+ "description": "L-channel differential current output+; full-scale output current 7.8 mA p-p."+ },+ {+ "number": "26",+ "name": "IOUTL-",+ "type": "output",+ "description": "L-channel differential current output-; full-scale output current 7.8 mA p-p."+ },+ {+ "number": "27",+ "name": "AGND3L",+ "type": "power_in",+ "description": "Analog ground for L-channel DACFF."+ },+ {+ "number": "28",+ "name": "VCC2L",+ "type": "power_in",+ "description": "Analog power supply for L-channel DACFF, nominal 5 V; range 4.75 to 5.25 Vdc."+ }+ ],+ "provenance": {+ "extractor": "extract_pins 0.3",+ "factory_chain": {+ "factory": "2.0.0",+ "extractor": "extract_pins 0.3",+ "primary_model": "claude-haiku-4-5-20251001",+ "primary_mode": "text",+ "consensus_model": "claude-sonnet-5-5",+ "consensus": "agreed",+ "guards": "pin_guards 0.1: passed",+ "guard_notes": [],+ "pages_sent": 13,+ "cost_usd": 0.1377,+ "at": "2026-10-05T21:26:27"+ },+ "datasheet": {+ "url": "https://www.ti.com/cn/lit/gpn/pcm1792a",+ "pages": 63,+ "sha256": "7d3cd83bea6d6eeb",+ "source_tier": "lcsc"+ },+ "cad": "KiCad official (CC-BY-SA 4.0)",+ "pins": {+ "total": 28,+ "described": 28,+ "cites_pages": true,+ "refuses_to_fabricate": true+ }+ },+ "viewers": {+ "symbol": "viewers/symbol.html",+ "footprint": "viewers/footprint.html"+ }+ },+ "visibility": "public",+ "org": "adom",+ "author": {+ "name": "Ray",+ "email": "[email protected]"+ }+}