on November 6th 5

OPA2134 Audio Operational Amplifier: Pinout, Equivalents, and Features

The OPA2134 is a high-performance audio operational amplifier designed for applications where low distortion and noise are important. This guide provides a detailed look at its pin configuration, specifications, common applications, and comparisons with similar parts. We also discuss related components like capacitors and resistors that are often used alongside the OPA2134 in audio circuits.

Catalog

Overview of the OPA2134

The OPA2134 is part of the OPA134 series and is built for audio precision. With its FET input stage, it offers ultra-low distortion and low noise, which makes it ideal for different audio applications. The fast response of the FET input helps maintain high sound fidelity across various frequencies.

Equivalents of the OPA2134

• Tl074

• Tl072

• LM358

• LM338

OPA2134 Pin Configuration

Pin Number	Pin Name	Description
1	Out A	The output of Op-Amp A
2	Inverting Input A	Inverting Input of Op-Amp A
3	NON-Inverting Input A	Non-Inverting Input of Op-Amp A
4	V-	Ground or Negative (Dual Polarity Supply)
5	NON-Inverting Input B	Non-Inverting Input of Op-Amp B
6	Inverting Input B	Inverting Input of Op-Amp B
7	Output B	The output of Op-Amp B
8	V+	Supply Voltage

OPA2134 Symbol, Footprint, and CAD Model

OPA2134 Technical Specifications

Technical specifications, characteristics, and parameters of the Texas Instruments OPA2134, including parts comparable to the Texas Instruments OPA2134PAG4.

Type	Parameter
Lifecycle Status	ACTIVE (Last Updated: 4 days ago)
Mounting Type	Through Hole
Surface Mount	NO
Weight	528.60528mg
Operating Temperature	-40°C~85°C
Series	SoundPlus™
Pbfree Code	yes
Moisture Sensitivity Level (MSL)	1 (Unlimited)
ECCN Code	EAR99
Number of Functions	2
Base Part Number	OPA2134
Operating Supply Voltage	36V
Nominal Supply Current	10mA
Factory Lead Time	6 Weeks
Package / Case	8-DIP (0.300, 7.62mm)
Number of Pins	8
Number of Elements	2
Packaging	Tube
JESD-609 Code	e4
Part Status	Active
Number of Terminations	8
Terminal Finish	Nickel/Palladium/Gold (Ni/Pd/Au)
Supply Voltage	15V
Pin Count	8
Operating Supply Current	4mA
Slew Rate	20V/µs
Amplifier Type	Audio
Common Mode Rejection Ratio	86 dB
Voltage - Supply, Single/Dual (±)	5V36V ±2.5V18V
Supply Type	Dual
Neg Supply Voltage-Nom (Vsup)	-15V
Voltage Gain	120dB
Power Supply Rejection Ratio (PSRR)	90dB
Frequency Compensation	YES
Low-Bias	YES
Bias Current-Max (IIB) @ 25C	0.0001µA
Dual Supply Voltage	9V
Wideband	NO
Height	5.08mm
Width	6.35mm
Radiation Hardening	No
Lead Free	Lead Free
Output Current per Channel	35mA
Input Offset Voltage (Vos)	2mV
Unity Gain BW-Nom	8000 kHz
Average Bias Current-Max (IIB)	0.0001µA
Low-Offset	NO
Voltage - Input Offset	500µV
Micropower	NO
Programmable Power	NO
Nominal Gain Bandwidth Product	8MHz
Input Offset Current-Max (IIO)	0.00005µA
Length	9.81mm
Thickness	3.9mm
RoHS Status	ROHS3 Compliant

Features of the OPA2134

• Ultra-Low Distortion: Just 0.00008%, ensuring clear, undistorted audio signals.

• Low Noise Level: 8nV/√Hz, which reduces background noise in audio systems.

• High Slew Rate: 20V/μs, allowing for rapid changes in output.

• Wide Bandwidth: 8MHz, supporting high-frequency audio signals.

• High Open-Loop Gain: 120 dB, improving signal amplification without added noise.

Applications of the OPA2134

• Professional Audio Systems: Ideal for mixing consoles, amplifiers, and other high-end equipment.

• Line Drivers and Receivers: Ensures signal integrity over long distances.

• Multimedia Audio: Enhances audio clarity in electronics.

• Active Filters: Used to shape audio signals without distortion.

• Preamplifiers and Integrators: Boosts weak signals for further processing.

• Crossover Networks: Separates audio frequencies in multi-driver speaker systems.

Optimal Use for the OPA2134

Thanks to its low noise and distortion, the OPA2134 is a top choice for high-quality audio pre-amplification. For example, configuring the OPA2134 in a non-inverting amplifier setup with a 1kΩ resistor in the input and a 9.1kΩ resistor in the feedback loop can yield a gain of 10. This means that a 1V input signal is amplified to 10V output, when powered with a ±12V supply.

Comparison Between OPA2134 and NE5532

While both the OPA2134 and NE5532 are popular in audio circuits, they use different input stages. The OPA2134 relies on a FET input, providing lower noise and better performance for high-impedance sources. In contrast, the NE5532 has a bipolar input, which might be more suitable for low-impedance applications. Choosing between them depends on the specific requirements of the audio circuit.

Alternatives of the OPA2134

Part Number	Manufacturer	Package/Case	Number of Pins	Slew Rate	Input Offset Voltage (Vos)	Common Mode Rejection Ratio	Supply Voltage	Operating Supply Current	Number of Terminations
OPA2134PAG4	Texas Instruments	8-DIP (0.300, 7.62mm)	8	20V/μs	2 mV	86 dB	15 V	4 mA	8
OPA2132PAG4	Texas Instruments	8-DIP (0.300, 7.62mm)	8	20V/μs	500 μV	86 dB	15 V	4 mA	8
TLC072CP	Texas Instruments	8-DIP (0.300, 7.62mm)	8	19V/μs	1.9 mV	80 dB	5 V	2.1 mA	8
OPA2132PA	Texas Instruments	8-DIP (0.300, 7.62mm)	8	20V/μs	2 mV	86 dB	15 V	4 mA	8

Physical Dimensions of OPA2134

OPA2134 Manufacturer Information

The OPA2134 is produced by Texas Instruments, a leading company in semiconductor technology. Founded in 1958, Texas Instruments specializes in analog and embedded processing products, ensuring reliable performance and global availability for components like the OPA2134.

Datasheet PDF

TLC072CP Datasheets:

TLC070-75, TLC07xA.pdf

Material Set 30/Mar/2017.pdf

Fab Site 29/Jun/2022.pdf

OPA2132PA Datasheets:

Mult Devices 25/Apr/2019.pdf