OPA4172IDR

@@ -0,0 +1,57 @@+# OPA4172IDR++**Texas Instruments** · Operational Amplifier · SOIC-14++OPA4172IDR from Texas Instruments, in a SOIC-14. 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 | OUT A | output | Output of amplifier channel A. Rail-to-rail output, capable of high output current drive. |+| 2 | -IN A | input | Inverting input, amplifier channel A. Input common-mode range extends from (V-) - 0.1 V to (V+) + 2 V (normal operation). |+| 3 | +IN A | input | Noninverting input, amplifier channel A. |+| 4 | V+ | power_in | Positive (highest) power supply. Single-supply +4.5 V to +36 V, or split-supply ±2.25 V to ±18 V. Bypass to V- with a low-ESR ceramic capacitor. |+| 5 | +IN B | input | Noninverting input, amplifier channel B. |+| 6 | -IN B | input | Inverting input, amplifier channel B. |+| 7 | OUT B | output | Output of amplifier channel B. Rail-to-rail output. |+| 8 | OUT C | output | Output of amplifier channel C. Rail-to-rail output. |+| 9 | -IN C | input | Inverting input, amplifier channel C. |+| 10 | +IN C | input | Noninverting input, amplifier channel C. |+| 11 | V- | power_in | Negative (lowest) power supply. Ground for single-supply operation, or negative rail for split-supply operation (down to -18 V). |+| 12 | +IN D | input | Noninverting input, amplifier channel D. |+| 13 | -IN D | input | Inverting input, amplifier channel D. |+| 14 | OUT D | output | Output of amplifier channel D. Rail-to-rail output. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | SOIC-14 |+| Category | Op-amp/Cmp |+| Pins | 14 |++## Ordering variants++Same part, different packaging or reel option.++- `OPA4172IDR`+- `OPA4172IDRPWR`+- `OPA4172IDRPW`++## CAD (KiCad official)++- Symbol: `OPA4172IDR`+- Footprint: `Package_SO:SOIC-14_3.9x8.7mm_P1.27mm`+- 3D model: SOIC-14 (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/opa4172.pdf) (61 pp, sha256 `7f1eecb90239bafe`, 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/opa4172idr-datasheet.pdf)

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