DAC8551IDGKR

@@ -0,0 +1,49 @@+# DAC8551IDGKR++**Texas Instruments** · Digital To Analog Converters (DAC) · MSOP-8++DAC8551IDGKR 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 | VDD | power_in | Power supply input, 2.7 V to 5.5 V. Decouple to GND close to the pin. |+| 2 | VREF | input | Reference voltage input. Sets the DAC output range; valid range 0 to VDD. |+| 3 | VFB | input | Feedback connection for the output amplifier. For voltage output operation, tie to VOUT externally. |+| 4 | VOUT | output | Analog output voltage from DAC. Output amplifier has rail-to-rail operation. Short-circuit current 50 mA at VDD = 5 V. |+| 5 | SYNC | input | Level-triggered active-LOW frame synchronization input for serial data. When SYNC goes LOW, the input shift register is enabled and data is transferred on the falling edges of SCLK. Schmitt-Trigger logic input. |+| 6 | SCLK | input | Serial clock input. Data can be transferred at rates up to 30 MHz. Schmitt-Trigger logic input. |+| 7 | DIN | input | Serial data input. Data is clocked into the 24-bit input shift register on each falling edge of SCLK. Schmitt-Trigger logic input. |+| 8 | GND | power_in | Ground reference point for all circuitry on the part. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | MSOP-8 |+| Category | Data Acquisition |+| Pins | 8 |++## Ordering variants++Same part, different packaging or reel option.++- `DAC8551IDGKR`++## CAD (KiCad official)++- Symbol: `DAC8551IDGKR`+- 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/dac8551) (31 pp, sha256 `56fcdb7afc6c2428`, 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/dac8551idgkr-datasheet.pdf)

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