OPA2991SIRUGR

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OPA2991SIRUGR

IC OPAMP GP 2 CIRCUIT 10X2QFN

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  • Mfr. Parte #OPA2991SIRUGR
  • Paquete 10-XFQFN
  • Hoja de datos
  • En stock2405

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Especificaciones

Supplier Texas Instruments
Package Tape & Reel (TR),Cut Tape (CT)
ProductStatus Active
AmplifierType General Purpose
NumberofCircuits 2
OutputType Rail-to-Rail
SlewRate 21V/µs
GainBandwidthProduct 4.5 MHz
Current-InputBias 10 pA
Voltage-InputOffset 125 µV
Current-Supply 560µA (x2 Channels)
Current-Output/Channel 75 mA
Voltage-SupplySpan(Min) 2.7 V
Voltage-SupplySpan(Max) 40 V
OperatingTemperature -40°C ~ 125°C (TA)
MountingType Surface Mount
Package/Case 10-XFQFN

Descripción general

Description

OPA2991SIRUGR is a Texas Instruments single-channel precision operational amplifier in an 8-pin RoHS‑compliant VSSOP package. The SIRUGR suffix indicates the specific package/orderable variant. It’s designed for low-noise, high-accuracy signal conditioning and is well-suited for instrumentation, sensor front-ends, DAC/ADC buffering, and precision amplification. Key advantages typically include low input offset voltage and drift, very low input bias current, and low voltage noise, with unity-gain stability for simple buffering or closed-loop configurations. It supports single- or dual-supply operation within its rated voltage range. For exact electrical parameters (offset, bias, noise, gain-bandwidth, and supply limits), please consult the OPA2991 datasheet or TI product page.

Features

Key features of OPA2991SIRUGR:
- Zero-drift/precision op-amp with very low offset voltage and minimal drift
- Ultra-low input bias current and low input-referred noise
- Rail-to-rail input and output
- Single-supply operation from 2.7 V to 5.5 V
- Unity-gain stable; suitable for buffering and precision amplification
- Low quiescent current; good for battery-powered apps
- Wide CMRR and PSRR for robust performance
- Operating temp range: typical industrial range
- Package: 8-pin SIR (MSOP-like) package
Note: for exact electrical specs (offset, bias current, noise, GBW, slew rate, etc.), please refer to the TI datasheet.

Package

8-pin SOIC package (SO-8); RoHS-compliant green packaging.

Pinout

- Pin count: 8 pins (VSSOP-8 package, SIRUGR)
- Function: Single-channel precision operational amplifier (low offset/drift, chopper-stabilized; suitable for precision amplification).

Manufacturer

Texas Instruments Incorporated (TI). It is an American multinational semiconductor company that designs and manufactures integrated circuits, specializing in analog and mixed-signal ICs and embedded processing solutions.

Application

OPA2991SIRUGR is a low-noise, high-precision op-amp suitable for:
- Sensor signal conditioning (thermocouples, RTDs, strain gauges, bridge sensors)
- Photodiode/transimpedance amplifiers
- Instrumentation front-ends for data acquisition
- Medical/biomedical instrumentation front ends
- Automotive and industrial sensor interfaces
- Audio/preamplifier circuits requiring low offset and drift

Equivalent

Direct pin-for-pin equivalents for OPA2991SIRUGR don’t exist. Closest functionally are:
- TI: OPA2333/OPA2334 and OPA333 (zero-drift, single-supply)
- Analog Devices: ADA4528-1/ADA4528-2
For a pin-compatible replacement, please provide the exact package, supply voltage, bandwidth, offset/drift specs, and required rail-to-rail I/O.

Envío

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DHL: El costo de envío oscila entre $25-$45 (0.5kg), con un tiempo de entrega estimado de 2-5 días hábiles.

FedEx: El costo de envío oscila entre $25-$40 (0.5kg), con un tiempo de entrega estimado de 3-7 días hábiles.

UPS: El costo de envío oscila entre $25-$45 (0.5kg), con un tiempo de entrega estimado de 3-7 días hábiles.

TNT: El costo de envío oscila entre $25-$65 (0.5kg), con un tiempo de entrega estimado de 3-7 días hábiles.

EMS: El costo de envío oscila entre $30-$50 (0.5kg), con un plazo de entrega estimado de 7-15 días hábiles.

Correo aéreo registrado: El costo de envío es de $2-$4 (0.1kg), con un tiempo de entrega estimado de 5-20 días hábiles.

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