AD8538

PRODUCTION

Low Power, Precision, Auto-Zero Op Amp (5-lead TSOT-23)

Data Sheet (Rev. B) Product Selection Table

Part Models: 4
1ku List Price: Starting From $0.62

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Overview

Low offset voltage: 13 μV maximum
Input offset drift: 0.03 μV/°C
Single-supply operation: 2.7 V to 5.5 V
High gain, CMRR, and PSRR
Low input bias current: 25 pA
Low supply current: 180 μA
Qualified for Automotive Applications

The AD8538/AD8539 are very high precision amplifiers featuring extremely low offset voltage, low input bias current, and low power consumption. The supply current is less than 215 μA maximum per amplifier at 5.0 V. Operation is fully specified from 2.7 V to 5.0 V single supply (±1.35 V to ±2.5 V dual supply).

The AD8538/AD8539 operate at very low power making these amplifiers ideal for battery-powered devices and portable equipment.

The AD8538/AD8539 are specified over the extended industrial temperature range (−40°C to +125°C). The AD8538 amplifier is available in 5-lead TSOT-23, and 8-lead, narrow body SOIC packages, and the AD8539 amplifier is available in 8-lead, narrow body SOIC and 8-lead MSOP.

Applications

Mobile communications
Portable instrumentation
Battery-powered devices
Sensor interfaces
Temperature measurement
Electronic scales
Qualified for Automotive Applications

Part Models: 4
1ku List Price: Starting From $0.62

Documentation

ADI has always placed the highest emphasis on delivering products that meet the maximum levels of quality and reliability. We achieve this by incorporating quality and reliability checks in every scope of product and process design, and in the manufacturing process as well. "Zero defects" for shipped products is always our goal. View our quality and reliability program and certifications for more information.

Part Model	Pin/Package Drawing	Documentation	CAD Symbols, Footprints, and 3D Models
AD8538ARZ	8-Lead SOIC	Material Declaration Reliablity Data Package Resources	Ultra Librarian SamacSys
AD8538ARZ-REEL7	8-Lead SOIC	Material Declaration Reliablity Data Package Resources	Ultra Librarian SamacSys
AD8538AUJZ-REEL7	5-Lead TSOT	Material Declaration Reliablity Data Package Resources	Ultra Librarian SamacSys
AD8538WAUJZ-R7	5-Lead TSOT	Material Declaration Reliablity Data Package Resources	Ultra Librarian SamacSys

Part Models	Product Lifecycle	PCN

Feb 6, 2024 - 23_0068 Qualification of Alternate Wafer Fab Site at ADI Limerick for 0.6um CMOS Amplifier Product
		PCN23_0068_Form Material_Report Detailed Change Description Delta Qualification Matrix Delta Qualification Matrix Qualification Results Summary
AD8538ARZ	PRODUCTION
AD8538ARZ-REEL7	PRODUCTION
AD8538AUJZ-REEL7	PRODUCTION
AD8538WAUJZ-R7	PRODUCTION
May 17, 2012 - 10_0185 CANCELLED: AD8538 Wafer Fabrication qualification at ADI's Limerick Manufacturing Location
		PCN10_0185_Form Material_Report Qualification Plan Summary Reliability Report
AD8538ARZ	PRODUCTION
AD8538ARZ-REEL7	PRODUCTION
AD8538AUJZ-REEL7	PRODUCTION
Nov 23, 2010 - 10_0004 Halogen Free Material Change for SOIC Narrow Body Products Assembled at Amkor
		PCN10_0004_Form Material_Report ADI0012 Reliability Report
AD8538ARZ	PRODUCTION
AD8538ARZ-REEL7	PRODUCTION
Jan 26, 2010 - 10_0007 Halogen Free Material Change for TSOT Products
		Material_Report PCN10_0007_Form TSOT Qualification Data
AD8538AUJZ-REEL7	PRODUCTION	Material_Report PCN10_0007_Form TSOT Qualification Data

This is the most up-to-date revision of the Data Sheet.

Software Resources

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Hardware Ecosystem

Parts	Product Life Cycle	Description
LTC2063	RECOMMENDED FOR NEW DESIGNS	2µA Supply Current, Low I_B, Zero-Drift Operational Amplifiers
LTC2066	RECOMMENDED FOR NEW DESIGNS	10μA Supply Current, Low I_B, Zero-Drift Operational Amplifier

Tools & Simulations

LTspice

Models for the following parts are available in LTspice:

AD8538

SPICE Model 1

AD8538 SPICE Macro Model

Analog Filter Wizard

Use the Analog Filter Wizard to design low-pass, high-pass, or band-pass filters with actual op amps in minutes. As you progress through the design process, you can observe the characteristics of your filter design from ideal specifications to real world circuit behavior. Quickly evaluate the tradeoffs in op amp specifications - including gain-bandwidth, noise, and supply current – to determine the best filter design for your requirements.

Open Tool

LTspice® is a powerful, fast and free simulation software, schematic capture and waveform viewer with enhancements and models for improving the simulation of analog circuits.

Evaluation Kits

EVAL-OPAMP-1 Evaluation Board

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Product Details

The Universal Precision Op Amp Evaluation Boards have been designed and optimized for many circuit configurations allowing the users to best suit their applications. These boards are all RoHs Compliant. See references below on what board to order by lead count and package.

EVAL-PRAOPAMP-1KSZ (Single 5-Lead SC70) KS-5
EVAL-PRAOPAMP-1RJZ (Single 5-Lead SOT 23) RJ-5
EVAL-PRAOPAMP-1RMZ (Single 8-Lead MSOP) RM-8
EVAL-PRAOPAMP-1RZ (Single 8-Lead SOIC) R-8

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AD8538

Overview

Documentation

Data Sheet 1

Application Note 1

Technical Articles 1

Tutorial 6

Analog Dialogue 4

Webcast 2