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ALD2721E

Advanced Linear Devices
Part Number ALD2721E
Manufacturer Advanced Linear Devices
Description DUAL EPAD TM MICROPOWER OPERATIONAL AMPLIFIER
Published Aug 23, 2008
Detailed Description ADVANCED LINEAR DEVICES, INC. ALD2721E/ALD2721 DUAL EPAD™ MICROPOWER OPERATIONAL AMPLIFIER KEY FEATURES • EPAD ( Elec...
Datasheet PDF File ALD2721E PDF File

ALD2721E
ALD2721E

Overview
ADVANCED LINEAR DEVICES, INC.
ALD2721E/ALD2721 DUAL EPAD™ MICROPOWER OPERATIONAL AMPLIFIER KEY FEATURES • EPAD ( Electrically Programmable Analog Device) • User programmable VOS trimmer • Computer-assisted trimming • Rail-to-rail input/output • Compatible with standard EPAD Programmer • Each amplifier VOS can be trimmed to a different Vos level • High precision through in-system circuit trimming www.
DataSheet4U.
com • Reduces or eliminates VOS, PSRR, CMRR and TCVOS errors • System level “calibration” capability • Application Specific Programming mode • In-System Programming mode • Electrically programmable to compensate for external component tolerances • Achieves 0.
01pA input bias current and 35µV input offset voltage with micropower • Low voltage operation GENERAL DESCRIPTION The ALD2721E/ALD2721 is a dual monolithic rail-to-rail precision CMOS operational amplifier with integrated user programmable EPAD (Electrically Programmable Analog Device) based offset voltage adjustment.
The ALD2721E/ALD2721 is a dual version of the ALD1721E/ALD1721 operational amplifier.
Each ALD2721E/ALD2721 operational amplifier features individual, user-programmable offset voltage trimming resulting in significantly enhanced total system performance and user flexibility.
EPAD technology is an exclusive ALD design which has been refined for analog applications where precision voltage trimming is necessary to achieve a desired performance.
It utilizes CMOS FETs as in-circuit elements for trimming of offset voltage bias characteristics with the aid of a personal computer under software control.
Once programmed, the set parameters are stored indefinitely.
EPAD offers the circuit designer a convenient and cost-effective trimming solution for achieving the very highest amplifier/ system performance.
The ALD2721E/ALD2721 dual operational amplifier features rail-to-rail input and output voltage ranges, tolerance to overvoltage input spikes of 300mV beyond supply rails, capacitive loading up t...


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