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LTC1968

Linear
Part Number LTC1968
Manufacturer Linear
Description RMS-to-DC Converter
Published May 1, 2016
Detailed Description U U LTC1968 Precision Wide Bandwidth, RMS-to-DC Converter FEATURES ■ High Linearity: 0.02% Linearity Allows Simple Sys...
Datasheet PDF File LTC1968 PDF File

LTC1968
LTC1968

Overview
U U LTC1968 Precision Wide Bandwidth, RMS-to-DC Converter FEATURES ■ High Linearity: 0.
02% Linearity Allows Simple System Calibration ■ Wide Input Bandwidth: Bandwidth to 1% Additional Gain Error: 500kHz Bandwidth to 0.
1% Additional Gain Error: 150kHz 3dB Bandwidth Independent of Input Voltage Amplitude ■ No-Hassle Simplicity: True RMS-DC Conversion with Only One External Capacitor Delta Sigma Conversion Technology ■ Ultralow Shutdown Current: 0.
1µA ■ Flexible Inputs: Differential or Single Ended Rail-to-Rail Common Mode Voltage Range Up to 1VPEAK Differential Voltage ■ Flexible Output: Rail-to-Rail Output Separate Output Reference Pin Allows Level Shifting ■ Small Size: Space Saving 8-Pin MSOP Package U APPLICATIO S ■ True RMS Digital Multimeters and Panel Meters ■ True RMS AC + DC Measurements DESCRIPTIO The LTC®1968 is a true RMS-to-DC converter that uses an innovative delta-sigma computational technique.
The benefits of the LTC1968 proprietary architecture, when compared to conventional log-antilog RMS-to-DC converters, are higher linearity and accuracy, bandwidth independent of amplitude and improved temperature behavior.
The LTC1968 operates with single-ended or differential input signals and accurately supports crest factors up to 4.
Common mode input range is rail-to-rail.
Differential input range is 1VPEAK, and offers unprecedented linearity.
The LTC1968 allows hassle-free system calibration at any input voltage.
The LTC1968 has a rail-to-rail output with a separate output reference pin providing flexible level shifting; it operates on a single power supply from 4.
5V to 5.
5V.
A low power shutdown mode reduces supply current to 0.
1µA.
The LTC1968 is packaged in the space-saving MSOP package, which is ideal for portable applications.
, LTC and LT are registered trademarks of Linear Technology Corporation.
Protected under U.
S.
Patent Numbers 6,359,576, 6,362,677 and 6,516,291 TYPICAL APPLICATIO Single Supply RMS-to-DC Converter 4.
5V TO 5.
5V DIFFERENTIAL ...


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