INA188IDR

@@ -0,0 +1,49 @@+# INA188IDR++**Texas Instruments** · Precision OpAmps · SOIC-8++INA188IDR from Texas Instruments, in a SOIC-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 | RG | passive | Gain setting pin. For gains greater than 1, place an external gain resistor R_G between pin 1 and pin 8. Gain equation: G = 1 + (50 kΩ / R_G). |+| 2 | VIN- | input | Negative (inverting) analog input of the instrumentation amplifier. High-impedance differential input; common-mode range (V-)+0.1 V to (V+)-1.5 V. |+| 3 | VIN+ | input | Positive (non-inverting) analog input of the instrumentation amplifier. High-impedance differential input; common-mode range (V-)+0.1 V to (V+)-1.5 V. |+| 4 | V- | power_in | Negative supply rail. Connect to ground for single-supply operation, or to the negative supply for dual-supply operation. Absolute-max supply span ±20 V (40 V single). |+| 5 | REF | input | Reference input. Sets the output common-mode / offset level (V_OUT = (V_IN+ - V_IN-)·G + V_REF). Must be driven from a low-impedance source or tied to ground; input impedance ≈ 40 kΩ. |+| 6 | VOUT | output | Rail-to-rail amplifier output. Short-circuit current ±18 mA; output swings within ~250 mV of the supply rails with R_L = 10 kΩ. |+| 7 | V+ | power_in | Positive supply rail. Single-supply 4 V to 36 V or dual-supply ±2 V to ±18 V. Quiescent current 1.4 mA typ. |+| 8 | RG | passive | Gain setting pin. Complements pin 1; place external R_G between pins 1 and 8 to set gain. Leave open for G = 1. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | SOIC-8 |+| Category | Op-amp/Cmp |+| Pins | 8 |++## Ordering variants++- `INA188IDRIDR`+- `INA188IDRID`+- `INA188IDRDRJ`++## CAD (KiCad official)++- Symbol: `INA188IDR`+- Footprint: `Package_SO:SOIC-8_3.9x4.9mm_P1.27mm`+- 3D model: SOIC-8 (KiCad packages3D, STEP)++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [Texas Instruments datasheet](https://www.ti.com/lit/ds/symlink/ina188.pdf) (41 pp, sha256 `dce0bd5f616f35f5`, retrieved 2026-08-17, tier: manufacturer)+- **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/ina188idr-datasheet.pdf)

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