AD8502/AD8504ParameterSymbolConditionsMinTypMaxUnit 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 @ VS = 1.8 V, VCM = VS/2, TA = 25°C, unless otherwise noted. Table 3. ParameterSymbolConditionsMinTypMaxUnit INPUT CHARACTERISTICS Offset Voltage VOS 0 V < VCM < 1.8 V 0.5 3 mV −40°C < TA < +85°C 5 mV −40°C < TA < +125°C 5.5 mV Offset Voltage Drift ∆VOS/∆T −40°C < TA < +85°C 7 μV/°C −40°C < TA < +125°C 5 μV/°C Input Bias Current IB 0 V < VCM < 1.8 V 1 10 pA −40°C < TA < +85°C 100 pA −40°C < TA < +125°C 600 pA Input Offset Current IOS 0 V < VCM < 1.8 V 0.5 5 pA −40°C < TA < +85°C 50 pA −40°C < TA < +125°C 100 pA Input Voltage Range IVR 0 1.8 V Common-Mode Rejection Ratio CMRR 0 V < VCM < 1.8 V 59 75 dB −40°C < TA < +85°C 56 dB −40°C < TA < +125°C 55 dB Large Signal Voltage Gain AVO 0.1 V < VOUT < 1.7 V; RLOAD = 1 MΩ 88 110 dB 0.1 V < VOUT < 1.7 V; −40°C < TA < +85°C 80 dB 0.1 V < VOUT < 1.7 V; −40°C < TA < +125°C 65 dB Input Capacitance CDIFF 2 pF CCM 4.5 pF OUTPUT CHARACTERISTICS Output Voltage High VOH RLOAD = 100 kΩ to GND 1.79 1.795 V −40°C < TA < +85°C 1.78 V −40°C to +125°C 1.77 V RLOAD = 10 kΩ to GND 1.75 1.764 V −40°C < TA < +85°C 1.70 V −40°C to +125°C 1.65 V Output Voltage Low VOL RLOAD = 100 kΩ to VS 1.0 5 mV −40°C < TA < +85°C 6 mV −40°C to +125°C 7 mV RLOAD = 10 kΩ to VS 10 20 mV −40°C < TA < +85°C 28 mV −40°C to +125°C 29 mV Short-Circuit Current ISC ±5 mA POWER SUPPLY Power Supply Rejection Ratio PSRR 1.8 V < VS < 5 V 85 105 dB −40°C < TA < +85°C 66 dB −40°C < TA < +125°C 66 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 Rev. A | Page 4 of 16 Document Outline Features Applications Pin Configurations General Description Revision History Specifications Electrical Characteristics Absolute Maximum Ratings Thermal Resistance ESD Caution Typical Performance Characteristics Outline Dimensions Ordering Guide
