OPA134PA
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Texas Instruments OPA134PA

Manufacturer No:
OPA134PA
Manufacturer:
Texas Instruments
Package:
Tube
Description:
IC AUDIO 1 CIRCUIT 8DIP
Delivery:
Payment:
iso14001
iso45001
iso9001
iso13485

Product Introduction

Overview

The OPA134PA, part of the OPAx134 series from Texas Instruments, is an ultra-low distortion, low-noise operational amplifier specifically designed for audio applications. It features a true FET input stage, which provides excellent sound quality and high speed for exceptional audio performance. This amplifier is suitable for a wide range of demanding applications due to its high output drive capability, excellent DC performance, and wide output swing, allowing increased headroom within 1V of the rails. The OPA134PA is easy to use and free from phase-inversion and overload problems commonly found in other FET-input operational amplifiers.

Key Specifications

Parameter Min Typ Max Unit
Supply Voltage (VS) ±2.5 - ±18 V
Input Voltage (V–) – 0.5 - (V+) + 0.5 V
Input Bias Current (IB) - 5 - pA
Slew Rate - 20 - V/µs
Bandwidth - 8 - MHz
Open-Loop Gain 104 - 120 dB
Output Voltage Swing (RL = 2kΩ) (V+) – 1.5 - (V–) + 1.2 V
Operating Temperature -40 - 125 °C
Junction Temperature - - 150 °C
Short-Circuit Current -30 - 36 mA

Key Features

  • Ultra-low distortion: 0.00008%
  • Low noise: 8nV/√Hz
  • True FET-input with low input bias current (IB = 5pA)
  • High speed: Slew rate of 20V/µs and bandwidth of 8MHz
  • High open-loop gain: 120dB
  • Wide supply range: ±2.5V to ±18V
  • Wide output swing to within 1V of the rails
  • Unity-gain stable and excellent dynamic behavior over a wide range of load conditions
  • Available in single, dual, and quad versions
  • Free from phase-inversion and overload problems

Applications

  • Professional audio and music
  • Line drivers and line receivers
  • Multimedia audio
  • Active filters
  • Preamplifiers and integrators
  • Crossover networks

Q & A

  1. What is the primary application of the OPA134PA?

    The OPA134PA is primarily used in audio applications, including professional audio, line drivers, line receivers, multimedia audio, active filters, preamplifiers, integrators, and crossover networks.

  2. What are the key features of the OPA134PA?

    The key features include ultra-low distortion, low noise, true FET-input, high speed, high open-loop gain, wide supply range, and wide output swing.

  3. What is the slew rate of the OPA134PA?

    The slew rate is 20V/µs.

  4. What is the bandwidth of the OPA134PA?

    The bandwidth is 8MHz.

  5. What is the input bias current of the OPA134PA?

    The input bias current is 5pA.

  6. What is the operating temperature range of the OPA134PA?

    The operating temperature range is -40°C to 125°C.

  7. Is the OPA134PA free from phase-inversion problems?

    Yes, the OPA134PA is free from phase-inversion and overload problems.

  8. What are the available package types for the OPA134PA?

    The OPA134PA is available in 8-pin DIP and SO-8 surface-mount packages.

  9. What is the maximum output voltage swing of the OPA134PA?

    The output voltage swing is to within 1V of the rails.

  10. Is the OPA134PA unity-gain stable?

    Yes, the OPA134PA is unity-gain stable and provides excellent dynamic behavior over a wide range of load conditions.

Product Attributes

Amplifier Type:Audio
Number of Circuits:1
Output Type:- 
Slew Rate:20V/µs
Gain Bandwidth Product:8 MHz
-3db Bandwidth:- 
Current - Input Bias:5 pA
Voltage - Input Offset:500 µV
Current - Supply:4mA
Current - Output / Channel:35 mA
Voltage - Supply Span (Min):5 V
Voltage - Supply Span (Max):36 V
Operating Temperature:-40°C ~ 85°C
Mounting Type:Through Hole
Package / Case:8-DIP (0.300", 7.62mm)
Supplier Device Package:8-PDIP
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Similar Products

Part Number OPA134PA OPA137PA OPA134UA OPA124PA OPA130PA
Manufacturer Texas Instruments Burr Brown Texas Instruments Texas Instruments Texas Instruments
Product Status Active Obsolete Active Obsolete Obsolete
Amplifier Type Audio J-FET Audio General Purpose General Purpose
Number of Circuits 1 1 1 1 1
Output Type - - - - -
Slew Rate 20V/µs 3.5V/µs 20V/µs 1.6V/µs 2V/µs
Gain Bandwidth Product 8 MHz 1 MHz 8 MHz 1.5 MHz 1 MHz
-3db Bandwidth - - - - -
Current - Input Bias 5 pA 5 pA 5 pA 0.5 pA 5 pA
Voltage - Input Offset 500 µV 1.5 mV 500 µV 150 µV 200 µV
Current - Supply 4mA 220µA 4mA 2.5mA 530µA
Current - Output / Channel 35 mA 60 mA 35 mA 10 mA 18 mA
Voltage - Supply Span (Min) 5 V 4.5 V 5 V 10 V 4.5 V
Voltage - Supply Span (Max) 36 V 36 V 36 V 36 V 36 V
Operating Temperature -40°C ~ 85°C -40°C ~ 85°C -40°C ~ 85°C -25°C ~ 85°C -40°C ~ 85°C
Mounting Type Through Hole Through Hole Surface Mount Through Hole Through Hole
Package / Case 8-DIP (0.300", 7.62mm) 8-DIP (0.300", 7.62mm) 8-SOIC (0.154", 3.90mm Width) 8-DIP (0.300", 7.62mm) 8-DIP (0.300", 7.62mm)
Supplier Device Package 8-PDIP 8-PDIP 8-SOIC 8-PDIP 8-PDIP

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