Datasheet LTC6255, LTC6256, LTC6257 (Analog Devices) - 5

LTC6255/LTC6256/LTC6257
1.8V ELECTRICAL CHARACTERISTICS The
l
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. VSUPPLY = 1.8V, VCM = VOUT = 0.4V, CL = 10pF, VSHDN is unconnected. SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
VOS Input Offset Voltage VCM = V– + 0.3V –350 100 350 µV l –700 700 µV VCM = V+ – 0.3V –350 100 350 µV l –700 700 µV VOS TC Input Offset Voltage Drift VCM = V– + 0.3V, V+ – 0.3V l 1.5 µV/°C IB Input Bias Current (Note 7) VCM = V– + 0.3V –50 –8 50 nA l –75 75 nA VCM = V+ – 0.3V –50 5 50 nA l –75 75 nA IOS Input Offset Current VCM = V– + 0.3V –20 2 20 nA l –35 35 nA VCM = V+ – 0.3V –20 2 20 nA l –35 35 nA en Input Voltage Noise Density f = 1kHz, VCM = 0.4V 21 nV/√Hz Input Noise Voltage f = 0.1Hz to 10Hz 2.5 µVP-P in Input Current Noise Density f = 1kHz, VCM = 0V to 0.8V (PNP Input) 580 fA/√Hz f = 1kHz, VCM = 1V to 1.8V (NPN Input) 870 fA/√Hz RIN Input Resistance Differential 1 MΩ Common Mode 10 MΩ CIN Input Capacitance Differential 0.4 pF Common Mode 0.3 pF CMRR Common Mode Rejection Ratio VCM = 0.2V to 1.6V 74 90 dB l 67 dB IVR Input Voltage Range l –0.1 1.9 V PSRR Power Supply Rejection Ratio VCM = 0.4V, VS Ranges from 1.8V to 5V 82 100 dB l 78 dB AV Large Signal Gain VOUT = 0.5V to 1.3V, RLOAD = 100k 30 110 V/mV l 17 V/mV VOUT = 0.5V to 1.3V, RLOAD = 10k 15 50 V/mV l 5 V/mV VOL Output Swing Low (Input Overdrive 30mV), No Load 6 35 mV Measured from V– l 40 mV ISINK = 100µA 10 40 mV l 45 mV ISINK = 1mA 30 75 mV l 90 mV Rev E For more information www.analog.com 5 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information 5V Electrical Characteristics 1.8V Electrical Characteristics Typical Performance Characteristics Pin Functions Simplified Schematic Operation Applications Information Typical Applications Package Description Typical Application Related Parts