OPA2171AIDR

@@ -0,0 +1,52 @@+# OPA2171AIDR++**Texas Instruments** · Operational Amplifier · SOIC-8++OPA2171AIDR 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 | OUT A | output | Amplifier A output. Rail-to-rail output stage; short-circuit current ±25/-35 mA typ; can drive capacitive loads up to 300pF stably. |+| 2 | -IN A | input | Inverting input of amplifier A. Input range includes the negative supply and extends to (V+) - 2V typ; input bias current 8pA typ; abs-max voltage (V-) - 0.5V to (V+) + 0.5V. |+| 3 | +IN A | input | Non-inverting input of amplifier A. Input range (V-) - 0.1V to (V+) - 2V typ; RFI-filtered input; 100MΩ differential impedance. |+| 4 | V- | power_in | Negative supply rail. Supply range +2.7V to +36V single-supply or ±1.35V to ±18V dual-supply (absolute max ±20V). Tie to GND for single-supply operation. |+| 5 | +IN B | input | Non-inverting input of amplifier B. Same characteristics as +IN A; input range (V-) - 0.1V to (V+) - 2V typ. |+| 6 | -IN B | input | Inverting input of amplifier B. Same characteristics as -IN A; input bias current 8pA typ. |+| 7 | OUT B | output | Amplifier B output. Rail-to-rail; short-circuit current ±25/-35 mA typ. |+| 8 | V+ | power_in | Positive supply rail. Supply range +2.7V to +36V single-supply or ±1.35V to ±18V dual-supply; quiescent current 475µA/amplifier typ (950µA total for dual). |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | SOIC-8 |+| Category | Op-amp/Cmp |+| Pins | 8 |++## Ordering variants++- `OPA2171AIDRAID`+- `OPA2171AIDRAIDR`+- `OPA2171AIDRAIDCUT`+- `OPA2171AIDRAIDCUR`+- `OPA2171AIDRAIDGK`+- `OPA2171AIDRAIDGKR`++## CAD (KiCad official)++- Symbol: `OPA2171AIDR`+- 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/opa2171a.pdf) (34 pp, sha256 `d70bd45a5d8264dd`, 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/opa2171aidr-datasheet.pdf)

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