Datasheet

AD605
Rev. F | Page 4 of 24
AD605A AD605B
Parameter Conditions Min Typ Max Min Typ Max Unit
GAIN CONTROL INTERFACE
Gain Scaling Factor V
REF
= 2.5 V, 0.4 V < VGN < 2.4 V 19 20 21 19 20 21 dB/V
V
REF
= 1.67 V 30 30 dB/V
Gain Range FBK short to OUT −14 to +34 −14 to +34 dB
FBK open 0 to 48 0 to 48 dB
Input Voltage (VGN) Range 20 dB/V, VREF = 2.5 V 0.1 to 2.9 0.1 to 2.9 V
Input Bias Current −0.4 −0.4 µA
Input Resistance 2 2 MΩ
Response Time 48 dB gain change 0.2 0.2 µs
POWER SUPPLY
Supply Voltage 4.5 5.0 5.5 4.5 5.0 5.5 V
Power Dissipation 90 90 mW
VREF Input Resistance 10 10 kΩ
Quiescent Supply Current VPOS 18 23 18 23 mA
Power-Down VPOS, VGN < 50 mV 1.9 3.0 1.9 3.0 mA
Power-Up Response Time 48 dB gain, V
OUT
= 2 V p-p 0.6 0.6 µs
Power-Down Response Time 0.4 0.4 µs