LTC6246/LTC6247/LTC6248 ELECTRICAL CHARACTERISTICS (VS = 5V) The l denotes the specifications which apply across thespecified temperature range, otherwise specifications are at TA = 25°C. For each amplifier VS = 5V, 0V; VSHDN = 2V; VCM = VOUT =2.5V, unless otherwise noted. SYMBOLPARAMETERCONDITIONSMINTYPMAXUNITS IOS Input Offset Current VCM = Half Supply –250 –10 250 nA l –400 400 nA VCM = V+ – 0.5V, NPN Mode –250 –10 250 nA l –400 400 nA en Input Noise Voltage Density f = 100kHz 4.2 nV/√Hz Input 1/f Noise Voltage f = 0.1Hz to 10Hz 1.6 µVP-P in Input Noise Current Density f = 100kHz 2.0 pA/√Hz CIN Input Capacitance Differential Mode 2 pF Common Mode 0.8 pF RIN Input Resistance Differential Mode 32 kΩ Common Mode 14 MΩ AVOL Large Signal Voltage Gain RL = 1k to Half Supply (Note 10) 30 45 V/mV l 14 V/mV RL = 100Ω to Half Supply (Note 10) 5 15 V/mV l 2.5 V/mV CMRR Common Mode Rejection Ratio VCM = 0V to 3.5V 78 110 dB l 76 dB ICMR Input Common Mode Range l 0 VS V PSRR Power Supply Rejection Ratio VS = 2.5V to 5.25V 69 73 dB VCM = 1V l 65 dB Supply Voltage Range (Note 6) l 2.5 5.25 V VOL Output Swing Low (VOUT – V–) No Load 25 40 mV l 55 mV ISINK = 5mA 70 110 mV l 160 mV ISINK = 25mA 160 250 mV l 450 mV VOH Output Swing High (V+ – VOUT) No Load 70 100 mV l 150 mV ISOURCE = 5mA 130 175 mV l 225 mV ISOURCE = 25mA 300 500 mV l 750 mV ISC Output Short-Circuit Current Sourcing –80 –35 mA l –30 mA Sinking 60 100 mA l 40 mA IS Supply Current per Amplifier VCM = Half Supply 0.95 1 mA l 1.4 mA VCM = V+ – 0.5V 1.25 1.4 mA l 1.8 mA ISD Disable Supply Current per Amplifier VSHDN = 0.8V 42 75 µA l 200 µA ISHDNL SHDN Pin Current Low VSHDN = 0.8V –3 –1.6 0 µA l –4 0 µA Rev C 4 For more information www.analog.com Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Applications Information Typical Applications Revision History Typical Application Related Parts
