Datasheet AD8500 (Analog Devices) - 4

AD8500
@ VS = 1.8 V, VCM = VS/2, TA = 25°C, unless otherwise noted.
Table 3. Parameter Symbol Conditions Min Typ Max Unit
INPUT CHARACTERISTICS Offset Voltage VOS 0 V < VCM < 1.8 V 0.235 1 mV Offset Voltage Drift ∆VOS/∆T −40°C < TA < +85°C 3.5 12 μV/°C Input Voltage Range −0.3 +2.1 V Input Bias Current IB 1 10 pA −40°C < TA < +85°C 100 pA −40°C < TA < +125°C 600 pA Input Offset Current IOS 0.5 5 pA −40°C < TA < +85°C 50 pA −40°C < TA < +125°C 100 pA Common-Mode Rejection Ratio CMRR 0 V < VCM < 1.8 V 65 85 dB −40°C < TA < +85°C 60 83 dB Large Signal Voltage Gain AVO 0.1 V < VOUT < 1.7 V 88 115 dB 0.1 V < VOUT < 1.7 V; −40°C < TA < +85°C 70 dB Input Capacitance CDIFF 2 pF CCM 4.5 pF OUTPUT CHARACTERISTICS Output Voltage High VOH RLOAD = 100 kΩ to GND 1.790 1.798 V RLOAD = 10 kΩ to GND 1.760 1.783 V Output Voltage Low VOL RLOAD = 100 kΩ to VS 0.70 5 mV RLOAD = 10 kΩ to VS 5 15 mV Short-Circuit Current ISC ±2 mA POWER SUPPLY Power Supply Rejection Ratio PSRR 1.8 V < VS < 5 V 90 110 dB −40°C < TA < +85°C 80 dB Supply Current/Amplifier ISY VO = VS/2 0.65 1 μA −40°C < TA < +85°C 1.5 μA −40°C < TA < +125°C 2 μA DYNAMIC PERFORMANCE Slew Rate SR 0.004 V/μs Gain Bandwidth Product GBP 7 kHz Phase Margin ØO 60 Degrees NOISE PERFORMANCE Peak-to-Peak Noise 0.1 Hz to 10 Hz 6 μV p-p Voltage Noise Density en f = 1 kHz 190 nV/√Hz Current Noise Density in f = 1 kHz 0.1 pA/√Hz Rev. B | Page 4 of 12 Document Outline FEATURES APPLICATIONS PIN CONFIGURATION GENERAL DESCRIPTION TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS THERMAL RESISTANCE ESD CAUTION TYPICAL PERFORMANCE CHARACTERISTICS OUTLINE DIMENSIONS ORDERING GUIDE