AD8591/AD8592/AD8594SPECIFICATIONS ELECTRICAL CHARACTERISTICS VS = 2.7 V, VCM = 1.35 V, TA = 25°C, unless otherwise noted. Table 1. ParameterSymbol TestConditionsMin Typ Max Unit INPUT CHARACTERISTICS Offset Voltage VOS 25 mV −40°C < TA < +85°C 30 mV Input Bias Current IB 5 50 pA −40°C < TA < +85°C 60 pA Input Offset Current IOS 1 25 pA −40°C < TA < +85°C 30 pA Input Voltage Range 0 2.7 V Common-Mode Rejection Ratio CMRR VCM = 0 V to 2.7 V 38 45 dB Large Signal Voltage Gain AVO RL = 2 kΩ, VO = 0.3 V to 2.4 V 25 V/mV Offset Voltage Drift ΔVOS/ΔT −40°C < TA < +85°C 20 μV/°C Bias Current Drift ΔIB/ΔT −40°C < TA < +85°C 50 fA/°C Offset Current Drift ΔIOS/ΔT −40°C < TA < +85°C 20 fA/°C OUTPUT CHARACTERISTICS Output Voltage High VOH IL = 10 mA 2.55 2.61 V −40°C to +85°C 2.5 V Output Voltage Low VOL IL = 10 mA 60 100 mV −40°C to +85°C 125 mV Output Current IOUT ±250 mA Open-Loop Impedance ZOUT f = 1 MHz, AV = 1 60 Ω POWER SUPPLY Power Supply Rejection Ratio PSRR VS = 2.5 V to 6 V 45 55 dB Supply Current per Amplifier ISY VO = 0 V 1 mA −40°C < TA < +85°C 1.25 mA Supply Current Shutdown Mode ISD All amplifiers shut down 0.1 1 μA −40°C < TA < +85°C 1 μA ISD1 Amplifier 1 shut down (AD8592) 1.4 mA ISD2 Amplifier 2 shut down (AD8592) 1.4 mA SHUTDOWN INPUTS Logic High Voltage VINH −40°C < TA < +85°C 1.6 V Logic Low Voltage VINL −40°C < TA < +85°C 0.5 V Logic Input Current IIN −40°C < TA < +85°C 1 μA DYNAMIC PERFORMANCE Slew Rate SR RL = 2 kΩ 3.5 V/μs Settling Time tS To 0.01% 1.4 μs Gain Bandwidth Product GBP 2.2 MHz Phase Margin Φo 67 Degrees Channel Separation CS f = 1 kHz, RL = 2 kΩ 65 dB NOISE PERFORMANCE Voltage Noise Density en f = 1 kHz 45 nV/√Hz f = 10 kHz 30 nV/√Hz Current Noise Density in f = 1 kHz 0.05 pA/√Hz Rev. B | Page 3 of 16 Document Outline FEATURES APPLICATIONS GENERAL DESCRIPTION PIN CONFIGURATIONS TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS ELECTRICAL CHARACTERISTICS ABSOLUTE MAXIMUM RATINGS THERMAL RESISTANCE ESD CAUTION TYPICAL PERFORMANCE CHARACTERISTICS THEORY OF OPERATION INPUT VOLTAGE PROTECTION OUTPUT PHASE REVERSAL OUTPUT SHORT-CIRCUIT PROTECTION POWER DISSIPATION CAPACITIVE LOADING PC98-COMPLIANT HEADPHONE/SPEAKER AMPLIFIER A COMBINED MICROPHONE AND SPEAKER AMPLIFIER FOR CELLPHONE AND PORTABLE HEADSETS AN INEXPENSIVE SAMPLE-AND-HOLD CIRCUIT DIRECT ACCESS ARRANGEMENT FOR PCMCIA MODEMS (TELEPHONE LINE INTERFACE) SINGLE-SUPPLY DIFFERENTIAL LINE DRIVER OUTLINE DIMENSIONS ORDERING GUIDE