Datasheet AD605 (Analog Devices) - 4

AD605 AD605A AD605B Parameter Conditions Min Typ Max Min Typ Max Unit
GAIN CONTROL INTERFACE Gain Scaling Factor VREF = 2.5 V, 0.4 V < VGN < 2.4 V 19 20 21 19 20 21 dB/V VREF = 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, VOUT = 2 V p-p 0.6 0.6 μs Power-Down Response Time 0.4 0.4 μs Rev. F | Page 4 of 24 Document Outline FEATURES APPLICATIONS FUNCTIONAL BLOCK DIAGRAM GENERAL DESCRIPTION TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS ESD CAUTION PIN CONFIGURATION AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS (PER CHANNEL) THEORY OF OPERATION DIFFERENTIAL LADDER (ATTENUATOR) AC COUPLING GAIN CONTROL INTERFACE FIXED GAIN AMPLIFIER AND INTERPOLATOR CIRCUITS—APPLYING AN ACTIVE FEEDBACK AMPLIFIER APPLICATIONS INFORMATION CONNECTING TWO AMPLIFIERS TO DOUBLE THE GAIN RANGE EVALUATION BOARD INPUT CONNECTIONS ADJUSTING GAIN, COMMON-MODE, AND REFERENCE LEVELS OUTPUT CONNECTIONS OUTLINE DIMENSIONS ORDERING GUIDE