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PCM1870RHFR
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Texas Instruments ADCs/DACs - Special Purpose, VQFN-24(4x5). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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README.mdadded+61@@ -0,0 +1,61 @@+# PCM1870RHFR++**Texas Instruments** · ADCs/DACs - Special Purpose · VQFN-24(4x5)++PCM1870RHFR from Texas Instruments, in a VQFN-24(4x5). 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 | VCOM | passive | Common voltage for analog, used as the ADC common-mode reference and recommended to have a 1 µF to 4.7 µF capacitor to AGND. |+| 2 | AIN2R | input | Analog input 2 for the R channel, a single-ended input with integrated anti-aliasing low-pass filter. |+| 3 | AIN2L | input | Analog input 2 for the L channel, a single-ended input with integrated anti-aliasing low-pass filter. |+| 4 | MODE | input | Two- or three-wire serial interface selection: LOW selects SPI and HIGH selects I2C. |+| 5 | MS/ADR | input | Mode control select for the 3-wire / 2-wire interface (sets the I2C address). |+| 6 | MD/SDA | bidirectional | Mode control data for the 3-wire interface or serial data for the 2-wire (I2C) interface. |+| 7 | MC/SCL | input | Mode control clock for the 3-wire interface or serial clock for the 2-wire (I2C) interface. |+| 8 | DOUT | output | Serial audio data output. |+| 9 | VIO | power_in | Power supply for digital I/O, 1.71 V to 3.6 V (typ 3.3 V). |+| 10 | VDD | power_in | Power supply for digital core, 1.71 V to 3.6 V (typ 3.3 V). |+| 11 | DGND | power_in | Ground for digital; should be connected directly to AGND under the part to keep digital noise out of the analog ground. |+| 12 | SCKI | input | System clock input (common audio clock, 256 fS/384 fS, and other listed rates). |+| 13 | BCK | bidirectional | Serial bit clock, an input in slave mode and an output in master mode. |+| 14 | LRCK | bidirectional | Left- and right-channel clock, an input in slave mode and an output in master mode. |+| 15 | TEST | input | Test pin that should be connected to ground. |+| 16 | AOR | output | Microphone amplifier output for the R channel. |+| 17 | PGINR | input | Analog input to the gain amplifier for the R channel. |+| 18 | AOL | output | Microphone amplifier output for the L channel. |+| 19 | PGINL | input | Analog input to the gain amplifier for the L channel. |+| 20 | AIN1R | input | Analog input 1 for the R channel, single-ended, or the R side of the monaural differential input pair with AIN1L. |+| 21 | AIN1L | input | Analog input 1 for the L channel, single-ended, or the L side of the monaural differential input pair with AIN1R. |+| 22 | MICB | output | Microphone bias source output. |+| 23 | VCC | power_in | Power supply for analog, 2.4 V to 3.6 V (typ 3.3 V). |+| 24 | AGND | power_in | Ground for analog. |+| 25 | EP | passive | Exposed pad (from the footprint; not named in the datasheet pin table). |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | VQFN-24(4x5) |+| Category | Data Acquisition |+| Pins | 25 |++## CAD (KiCad official)++- Symbol: `PCM1870RHFR`+- Footprint: `Package_DFN_QFN:QFN-24-1EP_4x5mm_P0.5mm_EP2.65x3.65mm`+- 3D model: VQFN-24(4x5) (KiCad packages3D, STEP)+- 3D model files: `pcm1870rhfr-etched.step` / `pcm1870rhfr-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `pcm1870rhfr.step` / `pcm1870rhfr.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/pcm1870) (53 pp, sha256 `afc0c099c6b2bac3`, 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](docs/pcm1870rhfr-datasheet.pdf)
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Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",+ "tags": [+ "component",+ "data acquisition",+ "pcm1870rhfr",+ "factory-2.0.0",+ "extractor-text"+ ],+ "dependencies": {},+ "hero": {+ "type": "image",+ "path": "docs/hero.png"+ },+ "files": [+ "page.json",+ "README.md",+ "pcm1870rhfr.kicad_sym",+ "pcm1870rhfr.kicad_mod",+ "pcm1870rhfr.glb",+ "pcm1870rhfr.step",+ "pcm1870rhfr.lbr",+ "docs/hero.png",+ "docs/pcm1870rhfr-datasheet.pdf",+ "viewers/symbol.html",+ "viewers/footprint.html",+ "pcm1870rhfr-hero.glb",+ "pcm1870rhfr-hero.overlay.json"+ ],+ "component": {+ "mpn": "PCM1870RHFR",+ "manufacturer": "Texas Instruments",+ "package": "VQFN-24(4x5)",+ "pin_count": 25,+ "category": "Data Acquisition",+ "subcategory": "ADCs/DACs - Special Purpose",+ "datasheet": "https://www.ti.com/cn/lit/gpn/pcm1870",+ "parts": {+ "symbol": "pcm1870rhfr.kicad_sym",+ "footprint": "pcm1870rhfr.kicad_mod",+ "model_3d": "pcm1870rhfr-hero.glb",+ "model_3d_plain": "pcm1870rhfr.glb",+ "model_3d_step": "pcm1870rhfr-etched.step",+ "model_3d_step_plain": "pcm1870rhfr.step",+ "lbr": "pcm1870rhfr.lbr"+ },+ "distributor_links": {+ "lcsc": "C2667185",+ "digikey": "296-21941-2-ND",+ "mouser": "595-PCM1870RHFR"+ },+ "distributor_check": {+ "checked_at": "2026-10-08T15:56:58Z",+ "source": "Component Ocean /api/assign-pns",+ "digikey": {+ "pn": "296-21941-2-ND",+ "status": "found"+ },+ "mouser": {+ "pn": "595-PCM1870RHFR",+ "status": "found"+ }+ },+ "pins": [+ {+ "number": "1",+ "name": "VCOM",+ "type": "passive",+ "description": "Common voltage for analog, used as the ADC common-mode reference and recommended to have a 1 µF to 4.7 µF capacitor to AGND."+ },+ {+ "number": "2",+ "name": "AIN2R",+ "type": "input",+ "description": "Analog input 2 for the R channel, a single-ended input with integrated anti-aliasing low-pass filter."+ },+ {+ "number": "3",+ "name": "AIN2L",+ "type": "input",+ "description": "Analog input 2 for the L channel, a single-ended input with integrated anti-aliasing low-pass filter."+ },+ {+ "number": "4",+ "name": "MODE",+ "type": "input",+ "description": "Two- or three-wire serial interface selection: LOW selects SPI and HIGH selects I2C."+ },+ {+ "number": "5",+ "name": "MS/ADR",+ "type": "input",+ "description": "Mode control select for the 3-wire / 2-wire interface (sets the I2C address)."+ },+ {+ "number": "6",+ "name": "MD/SDA",+ "type": "bidirectional",+ "description": "Mode control data for the 3-wire interface or serial data for the 2-wire (I2C) interface."+ },+ {+ "number": "7",+ "name": "MC/SCL",+ "type": "input",+ "description": "Mode control clock for the 3-wire interface or serial clock for the 2-wire (I2C) interface."+ },+ {+ "number": "8",+ "name": "DOUT",+ "type": "output",+ "description": "Serial audio data output."+ },+ {+ "number": "9",+ "name": "VIO",+ "type": "power_in",+ "description": "Power supply for digital I/O, 1.71 V to 3.6 V (typ 3.3 V)."+ },+ {+ "number": "10",+ "name": "VDD",+ "type": "power_in",+ "description": "Power supply for digital core, 1.71 V to 3.6 V (typ 3.3 V)."+ },+ {+ "number": "11",+ "name": "DGND",+ "type": "power_in",+ "description": "Ground for digital; should be connected directly to AGND under the part to keep digital noise out of the analog ground."+ },+ {+ "number": "12",+ "name": "SCKI",+ "type": "input",+ "description": "System clock input (common audio clock, 256 fS/384 fS, and other listed rates)."+ },+ {+ "number": "13",+ "name": "BCK",+ "type": "bidirectional",+ "description": "Serial bit clock, an input in slave mode and an output in master mode."+ },+ {+ "number": "14",+ "name": "LRCK",+ "type": "bidirectional",+ "description": "Left- and right-channel clock, an input in slave mode and an output in master mode."+ },+ {+ "number": "15",+ "name": "TEST",+ "type": "input",+ "description": "Test pin that should be connected to ground."+ },+ {+ "number": "16",+ "name": "AOR",+ "type": "output",+ "description": "Microphone amplifier output for the R channel."+ },+ {+ "number": "17",+ "name": "PGINR",+ "type": "input",+ "description": "Analog input to the gain amplifier for the R channel."+ },+ {+ "number": "18",+ "name": "AOL",+ "type": "output",+ "description": "Microphone amplifier output for the L channel."+ },+ {+ "number": "19",+ "name": "PGINL",+ "type": "input",+ "description": "Analog input to the gain amplifier for the L channel."+ },+ {+ "number": "20",+ "name": "AIN1R",+ "type": "input",+ "description": "Analog input 1 for the R channel, single-ended, or the R side of the monaural differential input pair with AIN1L."+ },+ {+ "number": "21",+ "name": "AIN1L",+ "type": "input",+ "description": "Analog input 1 for the L channel, single-ended, or the L side of the monaural differential input pair with AIN1R."+ },+ {+ "number": "22",+ "name": "MICB",+ "type": "output",+ "description": "Microphone bias source output."+ },+ {+ "number": "23",+ "name": "VCC",+ "type": "power_in",+ "description": "Power supply for analog, 2.4 V to 3.6 V (typ 3.3 V)."+ },+ {+ "number": "24",+ "name": "AGND",+ "type": "power_in",+ "description": "Ground for analog."+ },+ {+ "number": "25",+ "name": "EP",+ "type": "passive",+ "description": "Exposed pad (from the footprint; not named in the datasheet pin table)."+ }+ ],+ "provenance": {+ "extractor": "extract_pins 0.3",+ "factory_chain": {+ "factory": "2.0.0",+ "extractor": "extract_pins 0.3",+ "primary_model": "claude-haiku-5-5",+ "primary_mode": "text",+ "consensus_model": "claude-sonnet-5-5",+ "consensus": "agreed",+ "guards": "pin_guards 0.1: passed",+ "guard_notes": [+ "extractor flagged: Pin numbers and names are from the RHF (VQFN-24, 4 mm x 5 mm) column of Table 1 on page 5, which mat; Supply voltage ranges for VIO, VDD and VCC come from the electrical characteristics table on page 4 ; The table on page 5 gives no electrical type for VCOM (shown as '-'). Type 'passive' was chosen as a",+ "exposed pad 25 added from the footprint"+ ],+ "pages_sent": 8,+ "cost_usd": 0.0586,+ "at": "2026-10-08T15:56:33"+ },+ "datasheet": {+ "url": "https://www.ti.com/cn/lit/gpn/pcm1870",+ "pages": 53,+ "sha256": "afc0c099c6b2bac3",+ "source_tier": "lcsc"+ },+ "cad": "KiCad official (CC-BY-SA 4.0)",+ "pins": {+ "total": 25,+ "described": 25,+ "cites_pages": true,+ "refuses_to_fabricate": true+ }+ },+ "viewers": {+ "symbol": "viewers/symbol.html",+ "footprint": "viewers/footprint.html"+ },+ "models_3d": [+ {+ "file": "pcm1870rhfr.step",+ "role": "plain",+ "up": "Z",+ "units": "mm",+ "origin": "footprint origin = pad-pattern centre",+ "seat": "z = 0",+ "extents_mm": [+ 4,+ 5,+ 0.77+ ],+ "zmin_mm": 0,+ "centre_offset_mm": 0,+ "footprint_binding": "identity",+ "sha256": "dd34955bd2f41c7d5d4f45257df2b8077e42f694598de69e58ad55ad191eecae",+ "checked": "2026-10-08",+ "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"+ },+ {+ "file": "pcm1870rhfr-etched.step",+ "role": "eda",+ "up": "Z",+ "units": "mm",+ "origin": "footprint origin = pad-pattern centre",+ "seat": "z = 0",+ "extents_mm": [+ 4,+ 5,+ 0.77+ ],+ "zmin_mm": 0,+ "centre_offset_mm": 0,+ "footprint_binding": "identity",+ "sha256": "a13f027b3aa620fd9dcc9e44ecb3586a4ff9272d11a4086662f0a469511be6c9",+ "checked": "2026-10-08",+ "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"+ }+ ]+ },+ "visibility": "public",+ "org": "adom",+ "author": {+ "name": "Ray",+ "email": "[email protected]"+ }+}