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AD737JRZ-5-R7 Datasheet(PDF) 3 Page - Analog Devices

Part No. AD737JRZ-5-R7
Description  Low Cost, Low Power, True RMS-to-DC Converter
Download  24 Pages
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Maker  AD [Analog Devices]
Homepage  http://www.analog.com
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AD737JRZ-5-R7 Datasheet(HTML) 3 Page - Analog Devices

 
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Data Sheet
AD737
Rev. I | Page 3 of 24
SPECIFICATIONS
TA = 25°C, ±VS = ±5 V except as noted, CAV = 33 µF, CC = 10 µF, f = 1 kHz, sine wave input applied to Pin 2, unless otherwise specified.
Specifications shown in boldface are tested on all production units at final electrical test. Results from these tests are used to calculate
outgoing quality levels.
Table 1.
Parameter
Test Conditions/
Comments
AD737A, AD737J
AD737K
AD737J-5
Unit
Min
Typ
Max
Min
Typ
Max
Min
Typ
Max
ACCURACY
Total Error
EIN = 0 to 200 mV rms
0.2/0.3
0.4/0.5
0.2/0.2
0.2/0.3
±mV/±POR1
±VS = ±2.5 V
0.2/0.3
0.4/0.5
±mV/±POR1
±VS = ±2.5 V,
input to Pin 1
0.2/0.3
0.4/0.5
±mV/±POR1
EIN = 200 mV to 1 V rms
−1.2
±2.0
−1.2
±2.0
POR
Over
Temperature
JN, JR, KR
EIN = 200 mV rms,
±VS = ±2.5 V
0.007
0.007
0.02
±POR/°C
AN and AR
EIN = 200 mV rms,
±VS = ±2.5 V
0.014
0.014
±POR/°C
vs. Supply Voltage
EIN = 200 mV rms,
±VS = ±2.5 V to ±5 V
0
−0.18
−0.3
0
−0.18
−0.3
0
−0.18
−0.3
%/V
EIN = 200 mV rms,
±VS = ±5 V to ±16.5 V
0
0.06
0.1
0
0.06
0.1
0
0.06
0.1
%/V
DC Reversal Error
DC-coupled,
VIN = 600 mV dc
1.3
2.5
1.3
2.5
POR
±VS = ±2.5 V
VIN = 200 mV dc
1.7
2.5
POR
Nonlinearity2
EIN = 0 mV to
200 mV rms,
@ 100 mV rms
0
0.25
0.35
0
0.25
0.35
POR
Input to Pin 13
AC coupled,
EIN = 100 mV rms, after
correction, ±VS = ±2.5 V
0.02
0.1
POR
Total Error,
External Trim
EIN = 0 mV to
200 mV rms
0.1/0.2
0.1/0.2
0.1/0.2
±mV/±POR
ADDITIONAL
CREST FACTOR
ERROR4
For Crest Factors
from 1 to 3
CAV = CF = 100 µF
0.7
0.7
%
CAV = 22 µF, CF = 100 µF,
±VS = ±2.5 V, input to
Pin 1
1.7
%
For Crest Factors
from 3 to 5
CAV = CF = 100 µF
2.5
2.5
%
INPUT
CHARACTERISTICS
High-ZInput (Pin 2)
Signal Range
Continuous
RMS Level
±VS = +2.5 V
200
mV rms
±VS = +2.8 V/−3.2 V
200
200
mV rms
±VS = ±5 V to ±16.5 V
1
1
V rms


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