Two engineers working in the lab

Save time and deliver your solutions faster with ADI’s new suite of precision technology signal chains. Align your applications ranging from Smart Industry to Instrumentation, Electrification to Digital Health, to exactly the right precision technology combinations.

Tailor your signal chain with confidence

AD8139

RECOMMENDED FOR NEW DESIGNS

Low Noise, Rail-to-Rail, Differential ADC Driver

Viewing:

Overview

  • Fully differential
  • Low noise
    • 2.25 nV/√Hz
    • 2.1 pA/√Hz
  • Low harmonic distortion
    • 98 dBc SFDR at 1 MHz
    • 85 dBc SFDR at 5 MHz
    • 72 dBc SFDR at 20 MHz
  • High speed
    • 410 MHz, 3 dB BW (G = 1)
    • 800 V/µs slew rate
    • 45 ns settling time to 0.01%
  • 69 dB output balance at 1 MHz
  • 80 dB dc CMRR
  • Low offset: ±0.5 mV maximum
  • Low input offset current: 0.5 µA maximum
  • Differential input and output
  • Differential-to-differential or single-ended-to-differential operation
  • Rail-to-rail output
  • Adjustable output common-mode voltage
  • Wide supply voltage range: 5 V to 12 V
  • Available in a small SOIC package and an 8-lead LFCSP

The AD8139 is an ultralow noise, high performance differential amplifier with rail-to-rail output. With its low noise, high SFDR, and wide bandwidth, it is an ideal choice for driving analog-to-digital converters (ADCs) with resolutions to 18 bits. The AD8139 is easy to apply, and its internal common-mode feedback architecture allows its output common-mode voltage to be controlled by the voltage applied to one pin. The internal feedback loop also provides outstanding output balance as well as suppression of even-order harmonic distortion products. Fully differential and single-ended-to-differential gain configurations are easily realized by the AD8139. Simple external feedback networks consisting of four resistors determine the closed-loop gain of the amplifier.

The AD8139 is manufactured on the proprietary Analog Devices, Inc., second-generation XFCB process, enabling it to achieve low levels of distortion with input voltage noise of only 2.25 nV/√Hz.

The AD8139 is available in an 8-lead SOIC package with an exposed paddle (EP) on the underside of its body and a 3 mm × 3 mm LFCSP. It is rated to operate over the temperature range of −40°C to +125°C.

Applications

  • ADC drivers to 18 bits
  • Single-ended-to-differential converters
  • Differential filters
  • Level shifters
  • Differential PCB drivers
  • Differential cable drivers

AD8139
Low Noise, Rail-to-Rail, Differential ADC Driver
AD8139 Functional Block Diagram AD8139 Pin Configuration AD8139 Pin Configuration
Add to myAnalog

Add product to the Products section of myAnalog (to receive notifications), to an existing project or to a new project.

Create New Project
Ask a Question

Documentation

Learn More
Add to myAnalog

Add media to the Resources section of myAnalog, to an existing project or to a new project.

Create New Project

Software Resources

Can't find the software or driver you need?

Request a Driver/Software

Tools & Simulations

Precision ADC Driver Tool

The Precision ADC Driver Tool is a web application that simulates the performance of precision ADC and driver combinations. Potential issues with driver selection, kickback settling, and distortion are flagged, and design tradeoffs can be quickly evaluated. Simulations and calculations include system noise, distortion, and settling of the ADC input

Open Tool

ADI DiffAmpCalc™

ADI's new ADI DiffAmpCalc™ is a free, downloadable calculator for designing differential amplifier circuits. The tool is easy to use and features an interactive user interface to quickly get you up and running.

Open Tool

ADIsimRF

ADIsimRF is an easy-to-use RF signal chain calculator. Cascaded gain, noise, distortion and power consumption can be calculated, plotted and exported for signal chains with up to 50 stages. ADIsimRF also includes an extensive data base of device models for ADI’s RF and mixed signal components.

Open Tool

Sys-Parameter Models for Keysight Genesys

Sys-Parameter models contain behavioral parameters, such as P1dB, IP3, gain, noise figure and return loss, which describe nonlinear and linear characteristics of a device.

Open Tool

SPICE Model 1


Evaluation Kits

EVAL-FDA-1

Universal Evaluation Board for Single Differential Amplifiers

Product Details

The Universal Differential Amplifier Evaluation Boards can be used to evaluate single, high speed, fully differential amplifiers. The evaluation boards are bare boards that enable users to quickly prototype a variety of differential or single-ended circuits, which minimizes risk and reduces time to market. These boards are all RoHs Compliant. See references below on what board to order by lead count and package.

EVAL-FDA-1
Universal Evaluation Board for Single Differential Amplifiers

Latest Discussions

Recently Viewed