TLH5694

September 1993

LH0091 True RMS to DC Converter

General Description

The LH0091 rms to dc converter generates a dc output

equal to the rms value of any input per the transfer function

T



T

0

The device provides rms conversion to an accuracy of 01%

of reading using the external trim procedure It is possible to

ranges ie 10 mV

Features

Y

Low cost

Y

True rms conversion

Y

05% of reading accuracy untrimmed

Y

005% of reading accuracy with external trim

Y

Minimum component count

Y

Y

Uncommitted amplifier for filtering gain or high crest

factor configuration

Y

Military or commercial temperature range

Block and Connection Diagrams

Dual-In-Line Package

Order Number LH0091CD

See Package D16D

Dual-In-Line Package

TLH5694 – 1

Simplified Schematic

TLH5694 – 2

Note Dotted lines denote external connections

C1995 National Semiconductor Corporation

RRD-B30M115Printed in U S A