ADS7822EC

@@ -0,0 +1,53 @@+# ADS7822EC++**Texas Instruments** · Analog To Digital Converters (ADCs) · MSOP-8++ADS7822EC from Texas Instruments, in a MSOP-8. Pinout and pin descriptions extracted from the manufacturer datasheet by ds2sf; symbol, footprint, and 3D from KiCad-official CAD.++## Pinout++| Pin | Name | Type | Function |+|---|---|---|---|+| 1 | VREF | input | Reference input. Sets the ADC full-scale range; may be driven from 50mV up to VCC. |+| 2 | +In | input | Noninverting analog input to the pseudo-differential sample-and-hold. Absolute range -0.2V to VCC+0.2V. |+| 3 | -In | input | Inverting analog input. Connect to ground or to a remote ground sense point; absolute range -0.2V to +1.0V above GND. |+| 4 | GND | power_in | Ground return for both analog and digital supply currents. |+| 5 | CS/SHDN | input | Active-low chip select and shutdown control. Low enables conversion and serial output; high places the device in power-down mode (<3µA typical). |+| 6 | DOUT | output | Serial data output (MISO). 12-bit conversion word clocked out MSB-first on the falling edge of DCLOCK after CS falls; data valid for the next edge after one null bit. |+| 7 | DCLOCK | input | External serial data clock (SCLK). Synchronizes the serial data transfer and determines the conversion speed; fCLK = 16 x fSAMPLE. |+| 8 | +VCC | power_in | Positive supply input, 2.7V to 5.25V (operational from 2.0V). Bypass to GND with a local decoupling capacitor. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | MSOP-8 |+| Category | ADC/DAC/Data Conversion |+| Pins | 8 |++## Ordering variants++Same part, different packaging or reel option.++- `ADS7822EC/250`+- `ADS7822EC/2K5`+- `ADS7822UC`+- `ADS7822UC/2K5`+- `ADS7822PC`++## CAD (KiCad official)++- Symbol: `ADS7822EC`+- Footprint: `Package_SO:MSOP-8_3x3mm_P0.65mm`+- 3D model: MSOP-8 (KiCad packages3D, STEP)++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [Texas Instruments datasheet](https://www.ti.com/cn/lit/gpn/ads7822) (31 pp, sha256 `889c901a1116a5b2`, retrieved 2026-08-17, tier: lcsc)+- **Extractor:** `ds2sf` (Claude). Every pin and dimension is cited to a datasheet page; it refuses to fabricate.+- **CAD:** KiCad official libraries (CC-BY-SA 4.0).++[Datasheet PDF](docs/ads7822ec-datasheet.pdf)

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