OPA2234UA/2K5
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Texas Instruments OPA2234UA/2K5

Manufacturer No:
OPA2234UA/2K5
Manufacturer:
Texas Instruments
Package:
Tape & Reel (TR)
Description:
IC OPAMP GP 2 CIRCUIT 8SOIC
Delivery:
Payment:
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Product Introduction

Overview

The OPA2234UA/2K5 is a dual operational amplifier from Texas Instruments, part of the OPAx234 series. This device is designed for low-power, precision applications and is particularly suited for single-supply, low-voltage environments. The OPA2234UA/2K5 features a wide supply range, excellent phase margin, and high performance in demanding applications, including those with high load capacitance.

The device is available in an SO-8 surface-mount package and is specified for operation over a temperature range of –40°C to +85°C. It is known for its low quiescent current, high channel separation, and stable operation under various load conditions.

Key Specifications

Parameter Condition Min Typ Max Units
Input Offset Voltage (VOS) VCM = 2.5V ±40 ±100 ±250 µV
Input Bias Current (IB) VCM = 1.35V -15 -30 -50 nA
Slew Rate (SR) 0.2 V/µs
Gain-Bandwidth Product (GBW) CL = 100pF 0.35 MHz
Operating Voltage Range +2.7 +36 V
Quiescent Current (IQ) IO = 0 250 300 µA
Operating Temperature Range -40 +85 °C
Package SO-8

Key Features

  • Wide supply range: Single supply from +2.7V to +36V, dual supply from ±1.35V to ±18V
  • Low quiescent current: 250µA to 300µA per amplifier
  • High channel separation: Ensures minimal crosstalk and interaction between channels
  • Excellent phase margin: Ideal for demanding applications with high load capacitance
  • Low input bias current: -15nA to -50nA
  • Low input offset voltage: ±40µV to ±250µV
  • High slew rate: 0.2V/µs
  • Stable operation with capacitive loads: Up to 1000pF

Applications

  • Audio circuits: Due to its low noise and distortion characteristics
  • Medical devices: Where low power consumption and precision are critical
  • Industrial control systems: For applications requiring high stability and low noise
  • Consumer electronics: Such as audio equipment, where high fidelity is necessary
  • Automotive systems: For applications that require operation over a wide temperature range

Q & A

  1. What is the operating temperature range of the OPA2234UA/2K5?

    The operating temperature range is –40°C to +85°C.

  2. What is the typical input offset voltage of the OPA2234UA/2K5?

    The typical input offset voltage is ±100µV.

  3. What is the slew rate of the OPA2234UA/2K5?

    The slew rate is 0.2V/µs.

  4. What is the quiescent current per amplifier for the OPA2234UA/2K5?

    The quiescent current per amplifier is 250µA to 300µA.

  5. What is the package type of the OPA2234UA/2K5?

    The package type is SO-8 surface-mount.

  6. What is the gain-bandwidth product (GBW) of the OPA2234UA/2K5?

    The gain-bandwidth product is 0.35MHz with a 100pF load capacitance.

  7. Can the OPA2234UA/2K5 operate with single or dual supplies?

    Yes, it can operate with single supplies from +2.7V to +36V or dual supplies from ±1.35V to ±18V.

  8. What is the input bias current of the OPA2234UA/2K5?

    The input bias current is -15nA to -50nA.

  9. Is the OPA2234UA/2K5 suitable for high load capacitance applications?

    Yes, it is suitable for applications with high load capacitance due to its excellent phase margin.

  10. What are some common applications of the OPA2234UA/2K5?

    Common applications include audio circuits, medical devices, industrial control systems, consumer electronics, and automotive systems.

Product Attributes

Amplifier Type:General Purpose
Number of Circuits:2
Output Type:- 
Slew Rate:0.2V/µs
Gain Bandwidth Product:350 kHz
-3db Bandwidth:- 
Current - Input Bias:12 nA
Voltage - Input Offset:70 µV
Current - Supply:275µA (x2 Channels)
Current - Output / Channel:22 mA
Voltage - Supply Span (Min):2.7 V
Voltage - Supply Span (Max):36 V
Operating Temperature:-40°C ~ 125°C
Mounting Type:Surface Mount
Package / Case:8-SOIC (0.154", 3.90mm Width)
Supplier Device Package:8-SOIC
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Similar Products

Part Number OPA2234UA/2K5 OPA2237UA/2K5 OPA2244UA/2K5 OPA2234U/2K5
Manufacturer Texas Instruments Texas Instruments Texas Instruments Texas Instruments
Product Status Obsolete Active Active Obsolete
Amplifier Type General Purpose General Purpose General Purpose General Purpose
Number of Circuits 2 2 2 2
Output Type - - - -
Slew Rate 0.2V/µs 0.5V/µs 0.1V/µs 0.2V/µs
Gain Bandwidth Product 350 kHz 1.5 MHz 430 kHz 350 kHz
-3db Bandwidth - - - -
Current - Input Bias 12 nA 10 nA 10 nA 12 nA
Voltage - Input Offset 70 µV 250 µV 700 µV 70 µV
Current - Supply 275µA (x2 Channels) 170µA (x2 Channels) 40µA (x2 Channels) 275µA (x2 Channels)
Current - Output / Channel 22 mA 8 mA 25 mA 22 mA
Voltage - Supply Span (Min) 2.7 V 2.7 V 2.2 V 2.7 V
Voltage - Supply Span (Max) 36 V 36 V 36 V 36 V
Operating Temperature -40°C ~ 125°C -40°C ~ 85°C -40°C ~ 85°C -40°C ~ 125°C
Mounting Type Surface Mount Surface Mount Surface Mount Surface Mount
Package / Case 8-SOIC (0.154", 3.90mm Width) 8-SOIC (0.154", 3.90mm Width) 8-SOIC (0.154", 3.90mm Width) 8-SOIC (0.154", 3.90mm Width)
Supplier Device Package 8-SOIC 8-SOIC 8-SOIC 8-SOIC

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