AD637JD Analog Devices Inc, AD637JD Datasheet
AD637JD
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AD637JD Summary of contents
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PRODUCT DESCRIPTION The AD637 is a complete high accuracy monolithic rms-to-dc converter that computes the true rms value of any complex wave- form. It offers performance that is unprecedented in integrated circuit rms-to-dc converters and comparable to discrete and ...
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AD637–SPECIFICATIONS AD637J/A Model Min TRANSFER FUNCTION V CONVERSION ACCURACY 1 Total Error, Internal Trim (Fig MIN MAX vs. Supply +300 mV IN vs. Supply, – –300 Reversal Error ...
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Model Min CHIP SELECT PROVISION (CS) RMS “ON” Level Open or 2.4 V < V RMS “OFF” Level V < 0 Chip Select OUT CS “Low” “High” Zero 10 µs + ((25 kΩ) On ...
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... Although the AD637 features proprietary ESD protection circuitry, permanent damage may occur on devices subjected to high energy electrostatic discharges. Therefore, proper ESD precautions are recommended to avoid performance degradation or loss of functionality. Model AD637AR AD637BR AD637AQ AD637BQ AD637JD AD637JD/+ AD637KD AD637KD/+ AD637JQ AD637KQ AD637JR AD637JR-REEL AD637JR-REEL7 AD637KR ...
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DIP 1 BUFF COMMON 3 AD637 OUTPUT OFFSET 4 TOP VIEW (Not to Scale DEN INPUT 6 dB OUTPUT CONNECT 14-Lead DIP Pin No. Mnemonic 1 BUFF ...
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AD637 FUNCTIONAL DESCRIPTION The AD637 embodies an implicit solution of the rms equation that overcomes the inherent limitations of straightforward rms computation. The actual computation performed by the AD637 follows the equation rms Avg ...
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CHIP SELECT The AD637 includes a chip select feature that allows the user to decrease the quiescent current of the device from 2 350 µA. This is done by driving the CS, Pin 5, to below 0.2 V ...
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AD637 100 10 PEAK RIPPLE 1.0 DC ERROR 0.1 10 100 SINEWAVE INPUT FREQUENCY – Hz × µ The ac ripple component of averaging error can be greatly reduced by increasing the value of the averaging capacitor. There are two ...
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VALUES OF C AND 1% SETTLING TIME FOR STATED % OF READING AVERAGING ERROR 2 POLL SALLEN-KEY FILTER 10 %dc ERROR + % PEAK RIPPLE ACCURACY COMPONENT TOLERANCE 1.0 0.1 0. 100 1k INPUT FREQUENCY – Hz ...
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AD637 Figure curve of additional reading error for the AD637 for a 1 volt rms input signal with crest factors from 1 to 11. A rectangular pulse train (pulsewidth 100 µs) was used for this test since ...
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NOTE: VALUES CHOSEN TO GIVE 0. OUTPUT 1M OFFSET 50k 4 ADJUST 5 – CONNECT dB CALIBRATION 1. Set 1.00 V rms ...
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AD637 EXPANDABLE BUFFER AD637 IC1 1 14 ABSOLUTE VALUE 3 12 BIAS SECTION SQUARER/DIVIDER 25k – 25k 9 6 100pF FILTER 7 8 10k BUFFER AD637 IC2 1 14 ABSOLUTE 2 ...
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TO-116 Package (D-14) 0.005 (0.13) MIN 0.098 (2.49) MAX 14 8 0.310 (7.87) 0.220 (5.59 PIN 1 0.060 (1.52) 0.785 (19.94) MAX 0.015 (0.38) 0.200 (5.08) MAX 0.150 0.200 (5.08) (3.81) MAX 0.125 (3.18) 0.023 (0.58) 0.100 0.070 ...
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AD637 Revision History Location Data Sheet changed from REV REV. F. Edits to ORDERING GUIDE . . . . . . . . . . . . . . . . . . . . . . . ...
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