Ad604 – Analog Devices AD604 User Manual
Page 4
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AD604
Parameter
Conditions
Min
Typ
Max
Unit
ACCURACY
Absolute Gain Error
0 dB to 3 dB
0.25 V < VGN < 0.400 V
-1.2
+0.75
+3
dB
3 dB to 43 dB
0.400 V < VGN < 2.400 V
-1.0
±0.3
+1.0
dB
43 dB to 48 dB
2.400 V < VGN < 2.65 V
-3.5
-1.25
+1.2
dB
Gain Scaling Error
0.400 V < VGN < 2.400 V
±0.25
dB/V
Output Offset Voltage
VREF = 2.500 V, VOCM = 2.500 V
-50
±30
+50
mV
Output Offset Variation
VREF = 2.500 V, VOCM = 2.500 V
30
50
mV
GAIN CONTROL INTERFACE
Gain Scaling Factor
VREF = 2.5 V, 0.4 V < VGN < 2.4 V
19
20
21
dB/V
VREF = 1.67 V
30
dB/V
Gain Range
Preamplifier gain = 14 dB
0 to 48
dB
Preamplifier gain = 20 dB
6 to 54
dB
Input Voltage (VGN) Range
20 dB/V, VREF = 2.5 V
0.1 to 2.9
V
Input Bias Current
-0.4
pA
Input Resistance
2
MQ
Response Time
48 dB gain change
0.2
ps
VREF Input Resistance
10
kQ
POWER SUPPLY
Specified Operating Range
Power Dissipation
Quiescent Supply Current
Power-Up Response Time
Power-Down Response Time
One complete channel
One DSX only
One complete channel
One DSX only
(channel
er only
one channe
VNEG, VGN < 50 mV, one channel
48 dB gain change, V
out
= 2 V p-p
±5
5
220
95
V
V
mW
mW
mA
mA
mA
mA
pA
ps
ps
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