component
PGA308AIDGSR
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Texas Instruments Operational Amplifier, VSSOP-10-0.5mm. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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README.mdadded+46@@ -0,0 +1,46 @@+# PGA308AIDGSR++**Texas Instruments** · Operational Amplifier · VSSOP-10-0.5mm++PGA308AIDGSR from Texas Instruments, in a VSSOP-10-0.5mm. 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 | DOUT/VCLAMP | output | Dual-use pin for VOUT over-voltage clamping (programmable via resistor divider) or digital push-pull output for sensor configuration; ±10 mA output current limit. |+| 2 | 1W | bidirectional | One-Wire UART-compatible serial interface (4.8k-114k baud) for digital calibration and configuration; can connect to VOUT for three-terminal sensor modules. |+| 3 | GND | power_in | Ground reference. |+| 4 | VS | power_in | Positive power supply input; operating voltage range +2.7V to +5.5V. |+| 5 | VIN1 | input | Bridge sensor signal input; linear input range 0.2V to (VS - 1.4V); ±10 mA input current limit. |+| 6 | VIN2 | input | Bridge sensor signal input; linear input range 0.2V to (VS - 1.4V); ±10 mA input current limit. |+| 7 | VSJ | passive | Output amplifier summing junction; use for compensation with large capacitive loads (>200 pF) and external gain setting resistors. |+| 8 | VFB | passive | Output amplifier feedback sense point for control and over-/under-scale limits; voltage range -30V to +30V; ±10 mA current limit. |+| 9 | VOUT | output | Conditioned sensor analog output; output voltage range 0.05V to (VS - 0.05V); ±160 mA output current capability. |+| 10 | VREF | power_in | Reference voltage for coarse offset adjust (±100 mV range), zero DAC, and fault monitor; selectable for over-/under-scale threshold reference. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | VSSOP-10-0.5mm |+| Category | Operational Amplifier/Comparator |+| Pins | 10 |++## CAD (KiCad official)++- Symbol: `PGA308AIDGSR`+- Footprint: `Package_SO:MSOP-10_3x3mm_P0.5mm`+- 3D model: VSSOP-10-0.5mm (KiCad packages3D, STEP)+- 3D model files: `pga308aidgsr-etched.step` / `pga308aidgsr-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `pga308aidgsr.step` / `pga308aidgsr.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/pga308) (31 pp, sha256 `a9fd7867e1cb2af9`, retrieved 2026-10-03, 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/pga308aidgsr-datasheet.pdf)
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