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Contents

README

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OPA991SIDBVR

Texas Instruments · Operational Amplifier · SOT-23-6

OPA991SIDBVR from Texas Instruments, in a SOT-23-6. 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 output Amplifier output. Rail-to-rail; can source/sink up to ±75 mA and drive up to 1 nF capacitive loads while maintaining stability.
2 V- power_in Negative (lowest) supply rail. Connect to ground for single-supply operation, or to the negative rail for split-supply operation. Total supply range 2.7 V to 40 V (V+ minus V-).
3 IN+ input Non-inverting input. Rail-to-rail common-mode input range extending 100 mV beyond both supply rails. Input bias current typically ±10 pA.
4 IN- input Inverting input. Rail-to-rail common-mode input range extending 100 mV beyond both supply rails. Input bias current typically ±10 pA.
5 SHDN input Active-high shutdown control. Logic low (< V- + 0.2 V) enables the amplifier; logic high (> V- + 1.1 V) disables the amplifier and drops supply current to ~30 µA. See section 7.3.11 for details.
6 V+ power_in Positive (highest) supply rail. Total supply range 2.7 V to 40 V (V+ minus V-). Bypass with 100 nF ceramic to V-.

Key specifications

Parameter Value
Manufacturer Texas Instruments
Package SOT-23-6
Category Op-amp/Cmp
Pins 6

Ordering variants

Same part, different packaging or reel option.

  • OPA991SIDBVR
  • OPA991SIDBVT
  • OPA991SIDBVRIDCKR
  • OPA991SIDBVRIDCKT

CAD (KiCad official)

  • Symbol: OPA991SIDBVR
  • Footprint: Package_TO_SOT_SMD:SOT-23-6
  • 3D model: SOT-23-6 (KiCad packages3D, STEP)

Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

  • Datasheet: Texas Instruments datasheet (77 pp, sha256 66cd6ff5fa13e39d, retrieved 2026-08-17, tier: lcsc)
  • Datasheet language: Chinese. Pin names, descriptions, and specs on this page were extracted and translated to English by ds2sf; the linked PDF is the manufacturer original.
  • 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