AD637-EVALZ View Datasheet(PDF) - Analog Devices
Part Name
Description
Manufacturer
AD637-EVALZ Datasheet PDF : 25 Pages
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AD637
Data Sheet
Table 2.
Parameter
TRANSFER FUNCTION
CONVERSION ACCURACY
Total Error, Internal Trim
TMIN to TMAX
vs. Supply
DC Reversal
Nonlinearity
Total Error
ERROR VS. CREST FACTOR (CF)
AVERAGING TIME CONSTANT
INPUT CHARACTERISTICS
Signal Range
Input Resistance
Input Offset Voltage
FREQUENCY RESPONSE
Bandwidth for 1% (0.09 dB) Additional Error
±3 dB
OUTPUT CHARACTERISTICS
Offset Voltage
Voltage Swing, 2 kΩ load
Output Current
Short-Circuit Current
Resistance
Resistance
dB OUTPUT
Error
Scale Factor
Scale Factor Tempco
IREF for 0 dB = 1 V rms
IREF Range
Test Conditions/Comments
See Figure 5
VIN = 300 mV
VIN = −300 mV
−2 V < VIN < +2 V
2 V full scale
7 V full scale
External trim
Additional, at 1 V rms
For CF = 1 to 2
For CF = 3
For CF = 10
VS = ±15 V
Continuous
Transient
VS = ±5 V
Continuous
Transient
VIN = 20 mV
VIN = 200 mV
VIN = 2 V
VIN = 20 mV
VIN = 200 mV
VIN = 2 V
vs. temperature
VS = ±3 V
CS high
CS low
VIN = 7 mV to 7 V rms, 0 dBV
AD637K/AD637B
Min
Typ
Max
VOUT = avg (VIN )2
30
100
±0.25 ± 0.05
±0.5 ± 0.2
±2.0 ± 0.3
150
300
0.1
0.02
0.05
Specified accuracy
±0.1
±1.0
25
0 to 7
0 to 4
6.4
8
11
66
200
150
1
8
0 to 12.0
0 to 2
6
±0.04
13.5
2.2
20
0.5
100
±0.3
−3
+0.33
−0.033
5
20
1
±15
±6
9.6
±0.2
±0.5
±0.056
80
100
Unit
mV rms ±% of reading
mV ± % of reading
μV/V
μV/V
% of reading
% of FSR
% of FSR
mV ± % of reading
CF, %
% of reading
% of reading
ms/μF CAV
V rms
V p-p
V rms
V p-p
kΩ
mV
kHz
kHz
kHz
kHz
MHz
MHz
mV
mV/°C
V
V
mA
mA
Ω
kΩ
dBV
mV/dB
% of reading/°C
dB/°C
μA
μA
Rev. L | Page 6 of 25
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