# DAC8531IDRBR

**Texas Instruments** · Digital To Analog Converters (DAC) · SON-8-EP(3x3)

DAC8531IDRBR from Texas Instruments, in a SON-8-EP(3x3). 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 | VDD | power_in | Power-supply input, +2.7V to +5.5V. |
| 2 | VREF | power_in | Reference voltage input that sets the DAC output range; the reference input range is 0 to VDD. |
| 3 | VFB | input | Feedback connection for the output amplifier. |
| 4 | VOUT | output | Analog output voltage from the DAC, with the output amplifier operating rail-to-rail. |
| 5 | SYNC | input | Level-triggered active-LOW frame synchronization input; the DAC updates after the 24th clock cycle unless SYNC is taken HIGH first, in which case the write is ignored. |
| 6 | SCLK | input | Serial clock input, with data transferable at rates up to 30MHz. |
| 7 | DIN | input | Serial data input, clocked into the 24-bit input shift register on the falling edge of SCLK. |
| 8 | GND | power_in | Ground reference point for all circuitry on the part. |
| 9 | EP | passive | Exposed pad (from the footprint; not named in the datasheet pin table). |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | Texas Instruments |
| Package | SON-8-EP(3x3) |
| Category | Data Acquisition |
| Pins | 9 |

## CAD (KiCad official)

- Symbol: `DAC8531IDRBR`
- Footprint: `Package_SON:WSON-8-1EP_3x3mm_P0.5mm_EP1.6x2.0mm`
- 3D model: SON-8-EP(3x3) (KiCad packages3D, STEP)
- 3D model files: `dac8531idrbr-etched.step` / `dac8531idrbr-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `dac8531idrbr.step` / `dac8531idrbr.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/dac8531) (29 pp, sha256 `1b4966692695b610`, retrieved 2026-10-11, 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/dac8531idrbr-datasheet.pdf)