AD8138AR

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AD8138AR

+BOM

IC ADC DRIVER 8SOIC

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Specifications

Attribute Value
Package Tube,Tube
ProductStatus Obsolete
Type ADC Driver
Applications Data Acquisition
MountingType Surface Mount
Package/Case 8-SOIC (0.154, 3.90mm Width)

Overview

Description

The AD8138AR is a high-speed differential amplifier designed for use in applications requiring precision, low distortion, and high bandwidth. It is manufactured by Analog Devices and is widely used in communication systems, video processing, and instrumentation. The AD8138AR offers a wide bandwidth of 350 MHz and a fast slew rate, which makes it suitable for driving high-speed analog-to-digital converters (ADCs) and handling high-frequency signals.
This amplifier supports differential-to-differential or single-ended-to-differential conversion, providing flexibility in system design. The AD8138AR is known for its low distortion and low noise characteristics, ensuring signal integrity in demanding applications. It operates on a wide supply voltage range and has the capability to reject common-mode noise, which improves performance in noisy environments.
Its robust design, combined with a small package, makes it an ideal choice for compact systems. The AD8138AR is typically used in video distribution, data acquisition systems, and any application requiring high-speed signal amplification and conversion.

Equivalent

The AD8138AR is a differential amplifier designed by Analog Devices. Equivalent products to consider include:
1. THS4131 from Texas Instruments
2. LTC6400 from Analog Devices
3. MAX4445 from Maxim Integrated
4. LMH6552 from Texas Instruments
When selecting an equivalent, ensure that the specifications such as bandwidth, supply voltage, and input/output impedance meet your application requirements.

Features

The AD8138AR is a high-speed differential amplifier designed by Analog Devices. Key features include:
1. Wide Bandwidth: It offers 320 MHz bandwidth, making it suitable for high-frequency applications.
2. High Slew Rate: With a slew rate of 1200 V/μs, it provides fast response times.
3. Low Distortion: It delivers low harmonic distortion, ideal for maintaining signal integrity in audio and video applications.
4. Differential Inputs and Outputs: This allows for better noise rejection and is suitable for driving differential ADCs.
5. Wide Gain Range: The amplifier supports gains from -10 to +10, offering flexibility for various applications.
6. Low Noise: It features low voltage noise, enhancing performance in low-signal environments.
7. Power Supply Range: The AD8138AR operates over a wide supply voltage range from ±4.5 V to ±18 V.
8. High Output Drive: Capable of driving heavy loads, making it suitable for various demanding applications.
9. Temperature Range: It is designed to operate over a wide industrial temperature range.
These features make the AD8138AR suitable for applications in video, communication, and test equipment.

Pinout

The AD8138AR is an integrated differential amplifier produced by Analog Devices. It comes in an 8-pin SOIC (Small Outline Integrated Circuit) package. The primary function of the AD8138AR is to amplify differential signals with high precision, making it suitable for applications that require differential signal processing, such as driving differential inputs to high-resolution ADCs (Analog-to-Digital Converters) or for use in filtering applications.
Here is a brief overview of the 8 pins and their functions:
1. IN+ (Pin 1): Non-inverting input of the amplifier.
2. IN- (Pin 2): Inverting input of the amplifier.
3. VOCM (Pin 3): Common-mode input voltage; used to set the output common-mode voltage.
4. VEE (Pin 4): Negative power supply voltage.
5. OUT- (Pin 5): Inverting output of the amplifier.
6. OUT+ (Pin 6): Non-inverting output of the amplifier.
7. VCC (Pin 7): Positive power supply voltage.
8. DISABLE (Pin 8): Disable pin; used to enable or disable the amplifier.
The AD8138AR is designed for high performance, with features such as low distortion, wide bandwidth, and fast slew rate, making it ideal for high-speed data acquisition and processing systems.

Manufacturer

The AD8138AR is manufactured by Analog Devices, Inc. Analog Devices is a multinational company that specializes in the design and manufacturing of semiconductor products and solutions. The company focuses on high-performance analog, mixed-signal, and digital signal processing technologies. These products are used in a wide range of applications, including industrial, automotive, communications, healthcare, and consumer electronics. Analog Devices is known for its innovation and quality in creating integrated circuits (ICs) that are critical components in electronic systems.

Application

The AD8138AR is a differential amplifier suitable for high-speed signal processing applications. Key application areas include:
1. Video Distribution Systems: Utilized for driving signals over long cables while maintaining the integrity of video quality.
2. Data Acquisition: Enhances signal quality in systems needing precise analog-to-digital conversion.
3. Instrumentation: Used in test equipment and measurement devices for accurate signal amplification.
4. Communication Systems: Supports signal amplification and conditioning in high-frequency communication setups.
5. Medical Imaging: Assists in processing differential signals in imaging equipment for better image clarity.
6. Sonar/Radar: Employed in systems requiring high-speed, low-distortion signal amplification.
These applications benefit from the AD8138AR's high bandwidth, low distortion, and excellent noise performance.

Package

The AD8138AR is an IC packaged in the SOIC (Small Outline Integrated Circuit) form, specifically an 8-lead SOIC_N. This package type is commonly used for surface-mount technology, offering a compact size suitable for a variety of electronic applications.