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OPA2134PA

Two-channel audio amplifier for stereo speakers with Class-AB design

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OPA2134PA General Description

The OPA2134 series comprises operational amplifiers that excel in audio applications due to their ultra-low distortion and low noise characteristics. These amplifiers are meticulously designed for audio precision, featuring a genuine FET input stage that contributes to remarkable sound quality and speed, thereby enhancing overall audio performance. These attributes, coupled with substantial output drive capabilities and impressive DC performance, enable the amplifiers to be effectively employed in a broad spectrum of demanding applications. Furthermore, the OPA2134 offers a generous output swing, nearly 1 V from the power supply rails, thereby providing increased headroom and positioning it as an optimal choice for integration within any audio circuit.

OPA2134PA Pinout and Configurations

OPA2134PA Pinout

Pin Name NO. I/O DESCRIPTION
Out A 1 O Output channel A
–In A 2 I Inverting input channel A
+In A 3 I Noninverting input channel A
V+ 8 - Positive power supply
+In B 5 I Noninverting input channel B
–In B 6 I Inverting input channel B
Out B 7 O Output channel B
Out C - O Output channel C
–In C - I Inverting input channel C
+In C - I Noninverting input channel C
V– 4 - Negative power supply
+In D - I Noninverting input channel D
–In D - I Inverting input channel D
Out D - O Output channel D

opa2134pa opa2134pa

Key Features

  • Exceptional Sound Quality
  • Remarkably Low Distortion: 0.00008%
  • Minimal Noise: 8 nV/√Hz
  • Genuine FET-Input: Input Bias Current (IB) is only 5pA
  • Enhanced Speed:
  • Slew Rate: 20 V/µs
    Bandwidth: 8 MHz
    Elevated Open-Loop Gain: 120 dB (600 Ω)
  • Wide Operating Range: Can operate from ±2.5 V to ±18 V voltage supplies.

OPA2134PA Alternative

NE5532, LM4562, AD8620, TL072

OPA2134PA Datasheet

Download OPA2134PA Datasheet PDF  here>>

opa2134pa opa2134pa

Application

  • Line Driver Applications
  • Line Receiver Technologies
  • Multimedia Audio Solutions
  • Active Filtering Techniques
  • Preamplification Systems
  • Integration Circuitry
  • Crossover Network Implementations

Functional  Block  Diagram


Functional  Block  Diagram

Packages


OPA2134PA packages

FAQs

Q: What makes the OPA2134PA suitable for audio applications?
A: Its low noise, low distortion, high bandwidth, and precision specifications make it well-suited for maintaining audio signal quality and fidelity.

Q: What is the power supply voltage range of the OPA2134PA?
A: It can operate on a wide power supply voltage range, typically from ±4V to ±18V, making it flexible for various applications.

Q: Can the OPA2134PA handle low-impedance loads?
A: Yes, it is capable of driving low-impedance loads commonly found in headphones and audio devices.

Q: What is the input bias current of the OPA2134PA?
A: The input bias current is typically low, making it suitable for precision applications where input currents need to be minimized.

Q: Can the OPA2134PA be used in single-supply configurations?
A: Yes, it can be used in single-supply configurations, provided that the input and output voltage levels remain within the specified range.

opa2134pa opa2134pa

Specifications

Number of channels 2 Total supply voltage (+5 V = 5, ±5 V = 10) (min) (V) 5
Total supply voltage (+5 V = 5, ±5 V = 10) (max) (V) 36 GBW (typ) (MHz) 8
Slew rate (typ) (V/µs) 20 Rail-to-rail No
Vos (offset voltage at 25°C) (max) (mV) 2 Iq per channel (typ) (mA) 4
Vn at 1 kHz (typ) (nV√Hz) 8 Features Burr-Brown™ Audio, Premium Sound
THD + N at 1 kHz (typ) (%) 0.00008 Rating Catalog
Operating temperature range (°C) -40 to 85 Iout (typ) (A) 0.04
Architecture FET CMRR (typ) (dB) 100
Input bias current (max) (pA) 100 Pin Count 8
Released Date Jun 24, 2015 Last Modified Date Mar 7, 2023 4:10 PM UTC

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Ratings and Reviews

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L
L**a 05/17/2023

18. 08.-04.09.19, ok, check-add

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Availability: 5966 PCS

+BOM
Qty. Unit Price Ext. Price
1+ $12.091 $12.09
10+ $10.661 $106.61
30+ $9.790 $293.70
100+ $9.060 $906.00

The prices below are for reference only.

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