# ADS7822IDGKRQ1

**Texas Instruments** · Analog To Digital Converters (ADCs) · VSSOP-8

ADS7822IDGKRQ1 from Texas Instruments, in a VSSOP-8. 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 | VREF | power_in | Reference input. |
| 2 | +In | input | Noninverting input. |
| 3 | -In | input | Inverting input; connect to ground or remote ground sense point. |
| 4 | GND | power_in | Ground. |
| 5 | CS/SHDN | input | Chip select (active low); shutdown mode when high. |
| 6 | DOUT | output | Serial data output; data valid on falling edge of DCLOCK. |
| 7 | DCLOCK | input | Data clock input. |
| 8 | +VCC | power_in | Power supply. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | Texas Instruments |
| Package | VSSOP-8 |
| Category | ADC/DAC/Data Conversion |
| Pins | 8 |

## CAD (KiCad official)

- Symbol: `ADS7822IDGKRQ1`
- Footprint: `Package_SO:VSSOP-8_2.3x2mm_P0.5mm`
- 3D model: VSSOP-8 (KiCad packages3D, STEP)
- 3D model files: `ads7822idgkrq1-etched.step` / `ads7822idgkrq1-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `ads7822idgkrq1.step` / `ads7822idgkrq1.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/ads7822-q1) (26 pp, sha256 `2bd90c9d95bea678`, retrieved 2026-10-07, 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/ads7822idgkrq1-datasheet.pdf)