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AD8500 Datasheet(PDF) 3 Page - Analog Devices |
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AD8500 Datasheet(HTML) 3 Page - Analog Devices |
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3 / 12 page  AD8500 Rev. A | Page 3 of 12 SPECIFICATIONS ELECTRICAL CHARACTERISTICS @ VS = 5 V, VCM = VS/2, TA = 25°C, unless otherwise noted. Table 1. Parameter Symbol Conditions Min Typ Max Unit INPUT CHARACTERISTICS Offset Voltage VOS 0 V < VCM < 5 V 0.235 1 mV Offset Voltage Drift ∆VOS/∆T −40°C < TA < +85°C 3 10 μV/°C Input Voltage Range −0.3 +5.3 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 < 5 V 75 90 dB −40°C < TA < +85°C 70 90 dB Large Signal Voltage Gain AVO 0.1 V < VOUT < 4.9 V 98 120 dB 0.1 V < VOUT < 4.9 V; −40°C < TA < +85°C 80 dB Input Capacitance CDIFF 2 pF CCM 4.5 pF OUTPUT CHARACTERISTICS Output Voltage High VOH RLOAD = 100 kΩ to GND 4.970 4.995 V RLOAD = 10 kΩ to GND 4.900 4.960 V Output Voltage Low VOL RLOAD = 100 kΩ to VS 0.85 5 mV RLOAD = 10 kΩ to VS 6.5 15 mV Short-Circuit Current ISC VOUT = GND ±5 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 0.75 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 |
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