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AIC111RHB
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Texas Instruments Audio Interface ICs, VQFN-32(5x5). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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README.mdadded+69@@ -0,0 +1,69 @@+# AIC111RHB++**Texas Instruments** · Audio Interface ICs · VQFN-32(5x5)++AIC111RHB 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 | AVSS1 | power_in | Ground return for ADC analog circuits. |+| 2 | AVSS2 | power_in | Ground return for PGAC and MIC power analog circuits. |+| 3 | AVINP | input | Noninverting differential analog input, coupled through an external 1-µF capacitor to the external microphone output. |+| 4 | AVINM | input | Inverting differential analog signal input, coupled through an external 1-µF capacitor to ground. |+| 5 | VMID_FILT | output | Midsupply AC ground reference filter pin, bypassed by a 1-µF capacitor connected to ground. |+| 6 | MIC_BIAS | output | Source connection of the external microphone source-follower preamp; provides 29.1 kΩ to AVSS2. |+| 7 | VREF | power_in | Bandgap reference output, bypassed by an external 1-µF VREF filter capacitor. |+| 8 | MIC_VSUP | output | Supply voltage for the external microphone source-follower preamp, bypassed with an external 0.1-µF capacitor. |+| 9 | SUB_VSS | power_in | Isolated substrate VSS for analog circuits. |+| 10 | VDD_OSC | power_in | Power pin for the internal oscillator. |+| 11 | VSS_OSC | power_in | Ground return for the internal oscillator. |+| 12 | HB_VSS_P | power_in | Ground return for the noninverting stack of the H-bridge amplifier. |+| 13 | VOUT_P | output | Noninverting H-bridge output voltage. |+| 14 | HB_VDD | power_in | Power pin for the H-bridge amplifier. |+| 15 | VOUT_M | output | Inverting H-bridge output voltage. |+| 16 | HB_VSS_M | power_in | Ground return for the inverting stack of the H-bridge amplifier. |+| 17 | IMODE | input | Digital interface format selection pin. |+| 18 | MCLK | output | 5-MHz output clock for external DSP/µC. |+| 19 | DVSS1 | power_in | Ground return for digital circuits. |+| 20 | DVDD | power_in | Power pin for digital circuits. |+| 21 | BUF_DVDD | power_in | Power pin for interface digital I/O circuits. |+| 22 | BUF_DVSS | power_in | Ground return for interface digital I/O circuits. |+| 23 | SDOUT | output | Digital interface serial data output pin. |+| 24 | SDIN | input | Digital interface serial data input pin. |+| 25 | FRAME | output | Digital interface serial data framer. |+| 26 | SCLK | output | Digital interface serial shift clock. |+| 27 | DVSS2 | power_in | Ground return for digital circuits. |+| 28 | RST/LBM | output | Provides external reset and low battery monitor. |+| 29 | EXT_RST/PWDN | input | Powers down all analog blocks and holds digital outputs low until the internal system is up. |+| 30 | AVDD | power_in | VDD power pin for analog circuits. |+| 31 | VRFILT | output | Positive ADC reference pin, bypassed with a 1-µF capacitor to AVSS_REF. |+| 32 | AVSS_REF | power_in | Ground for ADC voltage reference. |+| 33 | EP | 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 | Interface |+| Pins | 33 |++## CAD (KiCad official)++- Symbol: `AIC111RHB`+- Footprint: `Package_DFN_QFN:QFN-32-1EP_5x5mm_P0.5mm_EP3.3x3.3mm`+- 3D model: VQFN-32(5x5) (KiCad packages3D, STEP)+- 3D model files: `aic111rhb-etched.step` / `aic111rhb-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `aic111rhb.step` / `aic111rhb.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/aic111) (34 pp, sha256 `5b460cf8a96d4d42`, 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/aic111rhb-datasheet.pdf)
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Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",+ "tags": [+ "component",+ "interface",+ "aic111rhb",+ "factory-2.0.0",+ "extractor-text"+ ],+ "dependencies": {},+ "hero": {+ "type": "image",+ "path": "docs/hero.png"+ },+ "files": [+ "page.json",+ "README.md",+ "aic111rhb.kicad_sym",+ "aic111rhb.kicad_mod",+ "aic111rhb.glb",+ "aic111rhb.step",+ "aic111rhb.lbr",+ "docs/hero.png",+ "docs/aic111rhb-datasheet.pdf",+ "viewers/symbol.html",+ "viewers/footprint.html",+ "aic111rhb-hero.glb",+ "aic111rhb-hero.overlay.json"+ ],+ "component": {+ "mpn": "AIC111RHB",+ "manufacturer": "Texas Instruments",+ "package": "VQFN-32(5x5)",+ "pin_count": 33,+ "category": "Interface",+ "subcategory": "Audio Interface ICs",+ "datasheet": "https://www.ti.com/cn/lit/gpn/aic111",+ "parts": {+ "symbol": "aic111rhb.kicad_sym",+ "footprint": "aic111rhb.kicad_mod",+ "model_3d": "aic111rhb-hero.glb",+ "model_3d_plain": "aic111rhb.glb",+ "model_3d_step": "aic111rhb-etched.step",+ "model_3d_step_plain": "aic111rhb.step",+ "lbr": "aic111rhb.lbr"+ },+ "distributor_links": {+ "lcsc": "C1521524",+ "digikey": "296-15335-ND",+ "mouser": "595-AIC111RHB"+ },+ "distributor_check": {+ "checked_at": "2026-10-08T14:35:54Z",+ "source": "Component Ocean /api/assign-pns",+ "digikey": {+ "pn": "296-15335-ND",+ "status": "found",+ "lifecycle": "Active"+ },+ "mouser": {+ "pn": "595-AIC111RHB",+ "status": "found"+ }+ },+ "pins": [+ {+ "number": "1",+ "name": "AVSS1",+ "type": "power_in",+ "description": "Ground return for ADC analog circuits."+ },+ {+ "number": "2",+ "name": "AVSS2",+ "type": "power_in",+ "description": "Ground return for PGAC and MIC power analog circuits."+ },+ {+ "number": "3",+ "name": "AVINP",+ "type": "input",+ "description": "Noninverting differential analog input, coupled through an external 1-µF capacitor to the external microphone output."+ },+ {+ "number": "4",+ "name": "AVINM",+ "type": "input",+ "description": "Inverting differential analog signal input, coupled through an external 1-µF capacitor to ground."+ },+ {+ "number": "5",+ "name": "VMID_FILT",+ "type": "output",+ "description": "Midsupply AC ground reference filter pin, bypassed by a 1-µF capacitor connected to ground."+ },+ {+ "number": "6",+ "name": "MIC_BIAS",+ "type": "output",+ "description": "Source connection of the external microphone source-follower preamp; provides 29.1 kΩ to AVSS2."+ },+ {+ "number": "7",+ "name": "VREF",+ "type": "power_in",+ "description": "Bandgap reference output, bypassed by an external 1-µF VREF filter capacitor."+ },+ {+ "number": "8",+ "name": "MIC_VSUP",+ "type": "output",+ "description": "Supply voltage for the external microphone source-follower preamp, bypassed with an external 0.1-µF capacitor."+ },+ {+ "number": "9",+ "name": "SUB_VSS",+ "type": "power_in",+ "description": "Isolated substrate VSS for analog circuits."+ },+ {+ "number": "10",+ "name": "VDD_OSC",+ "type": "power_in",+ "description": "Power pin for the internal oscillator."+ },+ {+ "number": "11",+ "name": "VSS_OSC",+ "type": "power_in",+ "description": "Ground return for the internal oscillator."+ },+ {+ "number": "12",+ "name": "HB_VSS_P",+ "type": "power_in",+ "description": "Ground return for the noninverting stack of the H-bridge amplifier."+ },+ {+ "number": "13",+ "name": "VOUT_P",+ "type": "output",+ "description": "Noninverting H-bridge output voltage."+ },+ {+ "number": "14",+ "name": "HB_VDD",+ "type": "power_in",+ "description": "Power pin for the H-bridge amplifier."+ },+ {+ "number": "15",+ "name": "VOUT_M",+ "type": "output",+ "description": "Inverting H-bridge output voltage."+ },+ {+ "number": "16",+ "name": "HB_VSS_M",+ "type": "power_in",+ "description": "Ground return for the inverting stack of the H-bridge amplifier."+ },+ {+ "number": "17",+ "name": "IMODE",+ "type": "input",+ "description": "Digital interface format selection pin."+ },+ {+ "number": "18",+ "name": "MCLK",+ "type": "output",+ "description": "5-MHz output clock for external DSP/µC."+ },+ {+ "number": "19",+ "name": "DVSS1",+ "type": "power_in",+ "description": "Ground return for digital circuits."+ },+ {+ "number": "20",+ "name": "DVDD",+ "type": "power_in",+ "description": "Power pin for digital circuits."+ },+ {+ "number": "21",+ "name": "BUF_DVDD",+ "type": "power_in",+ "description": "Power pin for interface digital I/O circuits."+ },+ {+ "number": "22",+ "name": "BUF_DVSS",+ "type": "power_in",+ "description": "Ground return for interface digital I/O circuits."+ },+ {+ "number": "23",+ "name": "SDOUT",+ "type": "output",+ "description": "Digital interface serial data output pin."+ },+ {+ "number": "24",+ "name": "SDIN",+ "type": "input",+ "description": "Digital interface serial data input pin."+ },+ {+ "number": "25",+ "name": "FRAME",+ "type": "output",+ "description": "Digital interface serial data framer."+ },+ {+ "number": "26",+ "name": "SCLK",+ "type": "output",+ "description": "Digital interface serial shift clock."+ },+ {+ "number": "27",+ "name": "DVSS2",+ "type": "power_in",+ "description": "Ground return for digital circuits."+ },+ {+ "number": "28",+ "name": "RST/LBM",+ "type": "output",+ "description": "Provides external reset and low battery monitor."+ },+ {+ "number": "29",+ "name": "EXT_RST/PWDN",+ "type": "input",+ "description": "Powers down all analog blocks and holds digital outputs low until the internal system is up."+ },+ {+ "number": "30",+ "name": "AVDD",+ "type": "power_in",+ "description": "VDD power pin for analog circuits."+ },+ {+ "number": "31",+ "name": "VRFILT",+ "type": "output",+ "description": "Positive ADC reference pin, bypassed with a 1-µF capacitor to AVSS_REF."+ },+ {+ "number": "32",+ "name": "AVSS_REF",+ "type": "power_in",+ "description": "Ground for ADC voltage reference."+ },+ {+ "number": "33",+ "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 types were mapped to KiCad ERC classes from the datasheet's Type column: GND and VDD pins as pow; The datasheet's pin-out figure (Figure 2) is partly garbled in text extraction, so pin numbers were ; Pin 9 SUB_VSS, pins 19 and 27 (DVSS1/DVSS2), and pin 32 AVSS_REF are listed as separate pins in the ",+ "exposed pad 33 added from the footprint"+ ],+ "pages_sent": 10,+ "cost_usd": 0.0741,+ "at": "2026-10-08T14:35:37"+ },+ "datasheet": {+ "url": "https://www.ti.com/cn/lit/gpn/aic111",+ "pages": 34,+ "sha256": "5b460cf8a96d4d42",+ "source_tier": "lcsc"+ },+ "cad": "KiCad official (CC-BY-SA 4.0)",+ "pins": {+ "total": 33,+ "described": 33,+ "cites_pages": true,+ "refuses_to_fabricate": true+ }+ },+ "viewers": {+ "symbol": "viewers/symbol.html",+ "footprint": "viewers/footprint.html"+ },+ "models_3d": [+ {+ "file": "aic111rhb.step",+ "role": "plain",+ "up": "Z",+ "units": "mm",+ "origin": "footprint origin = pad-pattern centre",+ "seat": "z = 0",+ "extents_mm": [+ 5,+ 5,+ 0.875+ ],+ "zmin_mm": 0,+ "centre_offset_mm": 0,+ "footprint_binding": "identity",+ "sha256": "5fa713ea46b36980895812ed853577889b7cb06d275041a39b99bc0be305dc79",+ "checked": "2026-10-08",+ "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"+ },+ {+ "file": "aic111rhb-etched.step",+ "role": "eda",+ "up": "Z",+ "units": "mm",+ "origin": "footprint origin = pad-pattern centre",+ "seat": "z = 0",+ "extents_mm": [+ 5,+ 5,+ 0.875+ ],+ "zmin_mm": 0,+ "centre_offset_mm": 0,+ "footprint_binding": "identity",+ "sha256": "b708c5f4fdd26de17f1230d3053061dc510597d088a8e0a4526275853c3738a9",+ "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]"+ }+}