component
VCA822IDR
Public Made by Adomby adom
Texas Instruments Programmable / Variable Gain Amplifiers (PGA/VGA), SOIC-14. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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README.mdadded+50@@ -0,0 +1,50 @@+# VCA822IDR++**Texas Instruments** · Programmable / Variable Gain Amplifiers (PGA/VGA) · SOIC-14++VCA822IDR from Texas Instruments, in a SOIC-14. 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 | +VCC | power_in | Positive supply pin; the datasheet gives an absolute maximum power supply of ±6.5 V and a recommended operating voltage of 7 V to 12 V (10 V nominal). |+| 2 | VG | input | Gain control input; the gain follows the control voltage linearly in V/V as it varies from +1 V to −1 V, giving a gain of 10 V/V at +1 V and 0.1 V/V at −1 V for a +10 V/V maximum gain. |+| 3 | +VIN | input | Noninverting signal input of the differential-input, single-ended-output variable gain amplifier. |+| 4 | +RG | input | Gain-set resistor connection; the maximum gain equals 2 × (RF / RG), and the maximum gain is intended to be set between +2 V/V and +100 V/V. |+| 5 | -RG | input | Gain-set resistor connection; the maximum gain equals 2 × (RF / RG), and the maximum gain is intended to be set between +2 V/V and +100 V/V. |+| 6 | -VIN | input | Inverting signal input of the differential-input, single-ended-output variable gain amplifier; the input voltage must not exceed ±VS. |+| 7 | -VCC | power_in | Negative supply pin; the datasheet gives an absolute maximum power supply of ±6.5 V and a recommended operating voltage of 7 V to 12 V (10 V nominal). |+| 8 | -VCC | power_in | Negative supply pin; the datasheet gives an absolute maximum power supply of ±6.5 V and a recommended operating voltage of 7 V to 12 V (10 V nominal). |+| 9 | VREF | power_in | Output voltage reference input (listed for the SOIC-14 package only). |+| 10 | VOUT | output | Amplifier output of the feedback amplifier stage, which provides ±160 mA high output current. |+| 11 | GND | power_in | Ground reference pin. |+| 12 | FB | input | Feedback resistor input (RF connection) that sets the maximum gain together with the gain-set resistor RG. |+| 13 | NC | unconnected | No connect pin; leave unconnected. |+| 14 | +VCC | power_in | Positive supply pin; the datasheet gives an absolute maximum power supply of ±6.5 V and a recommended operating voltage of 7 V to 12 V (10 V nominal). |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | SOIC-14 |+| Category | Amplifiers/Comparators |+| Pins | 14 |++## CAD (KiCad official)++- Symbol: `VCA822IDR`+- Footprint: `Package_SO:SOIC-14_3.9x8.7mm_P1.27mm`+- 3D model: SOIC-14 (KiCad packages3D, STEP)+- 3D model files: `vca822idr-etched.step` / `vca822idr-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `vca822idr.step` / `vca822idr.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/lit/ds/symlink/vca822.pdf) (50 pp, sha256 `e365bda82e4c68d9`, retrieved 2026-10-07, tier: manufacturer)+- **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/vca822idr-datasheet.pdf)
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Its funct; The datasheet gives only functional descriptions for these pins, not per-pin electrical limits. Gain"+ ],+ "pages_sent": 9,+ "cost_usd": 0.0627,+ "at": "2026-10-07T21:44:54"+ },+ "datasheet": {+ "url": "https://www.ti.com/lit/ds/symlink/vca822.pdf",+ "pages": 50,+ "sha256": "e365bda82e4c68d9",+ "source_tier": "mfr"+ },+ "cad": "KiCad official (CC-BY-SA 4.0)",+ "pins": {+ "total": 14,+ "described": 14,+ "cites_pages": true,+ "refuses_to_fabricate": true+ }+ },+ "viewers": {+ "symbol": "viewers/symbol.html",+ "footprint": "viewers/footprint.html"+ },+ "models_3d": [+ {+ "file": "vca822idr.step",+ "role": "plain",+ "up": "Z",+ "units": "mm",+ "origin": "footprint origin = pad-pattern centre",+ "seat": "z = 0",+ "extents_mm": [+ 6,+ 8.7,+ 1.75+ ],+ "zmin_mm": 0,+ "centre_offset_mm": 0,+ "footprint_binding": "identity",+ "sha256": "3b9a775da256c8afcc28dcddfbc2eb3f266107fe61ce8446d96f2c52b6f44a70",+ "checked": "2026-10-07",+ "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"+ },+ {+ "file": "vca822idr-etched.step",+ "role": "eda",+ "up": "Z",+ "units": "mm",+ "origin": "footprint origin = pad-pattern centre",+ "seat": "z = 0",+ "extents_mm": [+ 6,+ 8.7,+ 1.75+ ],+ "zmin_mm": 0,+ "centre_offset_mm": 0,+ "footprint_binding": "identity",+ "sha256": "b2718cddfe287b03d8d4e5540bd81643a60bf6b678e5443bfa8077f04e757aa8",+ "checked": "2026-10-07",+ "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"+ }+ ]+ },+ "visibility": "public",+ "org": "adom",+ "author": {+ "name": "Ray",+ "email": "[email protected]"+ }+}