AD604ARSZ-R7 datasheet(4/32 Pages) AD

4 / 32 page

AD604

Rev. D | Page 4 of 32

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 to 43 dB

0.400 V < VGN < 2.400 V

−1.0

±0.3

+1.0

43 dB to 48 dB

2.400 V < VGN < 2.65 V

−3.5

−1.25

+1.2

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

Output Offset Variation

VREF = 2.500 V, VOCM = 2.500 V

GAIN CONTROL INTERFACE

Gain Scaling Factor

VREF = 2.5 V, 0.4 V < VGN < 2.4 V

dB/V

VREF = 1.67 V

dB/V

Gain Range

Preamplifier gain = 14 dB

0 to 48

Preamplifier gain = 20 dB

6 to 54

Input Voltage (VGN) Range

20 dB/V, VREF = 2.5 V

0.1 to 2.9

Input Bias Current

−0.4

μA

Input Resistance

MΩ

Response Time

48 dB gain change

0.2

μs

VREF Input Resistance

kΩ

POWER SUPPLY

Specified Operating Range

One complete channel

±5

One DSX only

Power Dissipation

One complete channel

220

One DSX only

Quiescent Supply Current

VPOS, one complete channel

VPOS, one DSX only

VNEG, one preamplifier only

−15

−12

Powered Down

VPOS, VGN < 50 mV, one channel

1.9

3.0

VNEG, VGN < 50 mV, one channel

−150

μA

Power-Up Response Time

48 dB gain change, VOUT = 2 V p-p

0.6

μs

Power-Down Response Time

0.4

μs

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