AD637ARZ Analog Devices Inc, AD637ARZ Datasheet - Page 13
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AD637ARZ
Manufacturer Part Number
AD637ARZ
Description
IC RMS/DC CONV PRECISION 16-SOIC
Manufacturer
Analog Devices Inc
Specifications of AD637ARZ
Current - Supply
2.2mA
Voltage - Supply
±3.0V ~ 18V
Mounting Type
Surface Mount
Package / Case
16-SOIC (0.300", 7.5mm Width)
Accuracy %
0.25%
Bandwidth
200kHz
Supply Current
2.2mA
Power Dissipation Pd
108mW
Supply Voltage Range
± 3V To ± 18V
Digital Ic Case Style
SOIC
No. Of Pins
16
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With
AD637-EVALZ - BOARD EVALUATION FOR AD637
Lead Free Status / RoHS Status
Lead free / RoHS Compliant, Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
AD637ARZ
Manufacturer:
ADI/亚德诺
Quantity:
20 000
Part Number:
AD637ARZ-REEL
Manufacturer:
ADI/亚德诺
Quantity:
20 000
dB CALIBRATION
Refer to Figure 20:
• Set V = 1.00 V dc or 1.00 V rms
• Adjust R1 for 0 dB out = 0.00 V
• Set V = 0.1 V dc or 0.10 V rms
• Adjust R2 for dB out = −2.00 V
Any other dB reference can be used by setting V
accordingly.
IN
IN
*1kΩ + 3500ppm
0dB ADJUST
SEE TEXT
SIGNAL
10kΩ
500kΩ
+V
INPUT
R1
S
4.7kΩ
+2.5 V
1
2
4
5
3
6
7
OUTPUT
OFFSET
BUFF IN
NC
COMMON
CS
DEN
INPUT
dB OUTPUT
25kΩ
SECTION
+V
BIAS
BUFFER
S
IN
AD508J
and R1
SQUARER/DIVIDER
ABSOLUTE
AD637
VALUE
Figure 20. dB Connection
FILTER
Rev. J | Page 13 of 20
25kΩ
NC = NO CONNECT
BUFF
OUT
C
+V
–V
V
NC
AV
IN
S
S
14
13
12
11
10
9
8
+
V
+V
–V
OUT
1µF
S
S
1kΩ*
R3
60.4Ω
33.2kΩ
2
3
AD707JN
+V
–V
R2
4
7
5kΩ
S
S
COMPENSATED
dB OUTPUT
+ 100mV/dB
6
dB SCALE
FACTOR
ADJUST
AD637