AD637JQ Analog Devices Inc, AD637JQ Datasheet - Page 2

• Manufacturer Part Number: AD637JQ
• Description: IC RMS/DC CONV PRECISION 14-CDIP
• Manufacturer: Analog Devices Inc

Specifications of AD637JQ

• Rohs Status: RoHS non-compliant
• Current - Supply: 2.2mA
• Voltage - Supply: ±3.0V ~ 18V
• Mounting Type: Through Hole
• Package / Case: 14-CDIP (0.300", 7.62mm)
• Accuracy %: 0.25%
• Bandwidth: 200kHz
• Supply Current: 2.2mA
• Power Dissipation Pd: 108mW
• Supply Voltage Range: ± 3V To ± 18V
• Digital Ic Case Style: DIP
• No. Of Pins: 14
• Input Type: RMS
• Module Type: Converter
• Output Type: DC
• Voltage, Supply: ± 18 VDC
• For Use With: AD637-EVALZ - BOARD EVALUATION FOR AD637
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

TABLE OF CONTENTS
Features .............................................................................................. 1
Functional Block Diagram .............................................................. 1
General Description ......................................................................... 1
Revision History ............................................................................... 2
Specifications..................................................................................... 3
Absolute Maximum Ratings............................................................ 5
Pin Configurations and Function Descriptions ........................... 6
Functional Description .................................................................... 7
REVISION HISTORY
2/11—Rev. J to Rev. K
Changes to Figure 15...................................................................... 11
Changes to Figure 16...................................................................... 12
Changes to Evaluation Board Section and Figure 23................. 16
Added Figure 24; Renumbered Sequentially .............................. 17
Changes to Figure 25 Through Figure 29.................................... 17
Changes to Figure 30...................................................................... 18
Added Figure 31.............................................................................. 18
Deleted Table 6; Renumbered Sequentially ................................ 18
Changes to Ordering Guide .......................................................... 20
4/07—Rev. I to Rev. J
Added Evaluation Board Section ................................................. 16
Updated Outline Dimensions ....................................................... 20
10/06—Rev. H to Rev. I
Changes to Table 1............................................................................ 3
Changes to Figure 4.......................................................................... 7
Changes to Figure 7.......................................................................... 9
Changes to Figure 16, Figure 18, and Figure 19 ......................... 12
Changes to Figure 20...................................................................... 13
12/05—Rev. G to Rev. H
Updated Format..................................................................Universal
Changes to Figure 1.......................................................................... 1
Changes to Figure 11...................................................................... 10
Updated Outline Dimensions ....................................................... 16
Changes to Ordering Guide .......................................................... 17
AD637
ESD Caution.................................................................................. 5
Standard Connection ................................................................... 8
Chip Select..................................................................................... 8
Optional Trims for High Accuracy ............................................ 8
Rev. K | Page 2 of 20
Evaluation Board ............................................................................ 16
Outline Dimensions ....................................................................... 19
4/05—Rev. F to Rev. G
Updated Format..................................................................Universal
Changes to Figure 1...........................................................................1
Changes to General Description .....................................................1
Deleted Product Highlights .............................................................1
Moved Figure 4 to Page ....................................................................8
Changes to Figure 5...........................................................................9
Changes to Figure 8........................................................................ 10
Changes to Figure 11, Figure 12, Figure 13, and Figure 14....... 11
Changes to Figure 19...................................................................... 14
Changes to Figure 20...................................................................... 14
Changes to Figure 21...................................................................... 16
Updated Outline Dimensions....................................................... 17
Changes to Ordering Guide .......................................................... 18
3/02—Rev. E to Rev. F
Edits to Ordering Guide ...................................................................3
Choosing the Averaging Time Constant....................................9
Frequency Response .................................................................. 11
AC Measurement Accuracy and Crest Factor ........................ 12
Connection for dB Output........................................................ 12
dB Calibration............................................................................. 13
Low Frequency Measurements................................................. 14
Vector Summation ..................................................................... 14
Ordering Guide .......................................................................... 20