AD637KD Analog Devices Inc, AD637KD Datasheet - Page 18
![RMS TO DC CONVERTER IC](/photos/6/97/69706/505-14-cdip_heat_pad_sml.jpg)
AD637KD
Manufacturer Part Number
AD637KD
Description
RMS TO DC CONVERTER IC
Manufacturer
Analog Devices Inc
Datasheet
1.AD637JRZ.pdf
(20 pages)
Specifications of AD637KD
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)
Bandwidth
8MHz
Supply Current
2.2mA
Power Dissipation Pd
108mW
Supply Voltage Range
± 3V To ± 18V
Digital Ic Case Style
DIP
No. Of Pins
14
Operating Temperature Range
0°C To +70°C
For Use With
AD637-EVALZ - BOARD EVALUATION FOR AD637
Lead Free Status / RoHS Status
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
AD637
SUPPLY
POWER
+
GND1 GND2 GND3 GND4
CF2
47µF
25V
50kΩ
R2
+V
–V
S
S
+V
1MΩ
S
R1
DB_OUT
4.7kΩ
R3
BUF_IN
Figure 31. AD637-EVALZ Typical Bench Configuration
10µF
25V
1
2
3
4
5
6
7
8
C1
BUFF IN
NC
COMMON
OUTPUT
OFFSET
CS
DEN INPUT
dB OUTPUT
NC
Figure 30. Evaluation Board Schematic
+
–V
–V
S
S
Rev. K | Page 18 of 20
AD637
24.3kΩ
1
2
3
R4
Z1
+V
+V
S
S
FILTER
4
BUFF OUT
OUT
+
6
RMS OUT
5
C2
10µF
25V
IN
C
+V
–V
V
NC
AV
NC
IN
S
S
16
15
14
13
12
11
10
9
AC OR DC INPUT SIGNAL SOURCE
22µF
+
FROM PRECISION CALIBRATOR
16V
CIN
24.3kΩ
C3
0.1µF
C4
0.1µF
C
22µF
16V
OR FUNCTION GENERATOR
RMS_IN
AV
R5
PRECISION DMM TO
+V
–V
MONITOR VOUT
S
S
+
DC_OUT
CF1
47µF
25V
BUF_OUT
RMS_IN
DC_OUT