LT1498/LT1499 ELECTRICAL CHARACTERISTICSThe l denotes the specifi cations which apply over the temperature range–40°C < TA < 85°C. VS = 5V, 0V; VS = 3V, 0V; VCM = VOUT = half supply, unless otherwise noted. (Note 4)SYMBOLPARAMETERCONDITIONSMINTYPMAXUNITS VOS Input Offset Voltage VCM = V+ l 250 750 μV VCM = V– + 0.1V l 250 750 μV VOS TC Input Offset Voltage Drift (Note 3) l 0.5 2.5 μV/°C VCM = V+ l 1.5 4.0 μV/°C ΔVOS Input Offset Voltage Shift VCM = V– + 0.1V to V+ l 250 650 μV Input Offset Voltage Match (Channel-to-Channel) VCM = V– + 0.1V, V+ (Note 5) l 300 1500 μV IB Input Bias Current VCM = V+ l 0 350 975 nA VCM = V– + 0.1V l –975 –350 0 nA ΔIB Input Bias Current Shift VCM = V– + 0.1V to V+ l 700 1950 nA Input Bias Current Match (Channel-to-Channel) VCM = V+ (Note 5) l 0 30 180 nA VCM = V– + 0.1V (Note 5) l –180 –30 0 nA IOS Input Offset Current VCM = V+ l 15 110 nA VCM = V– + 0.1V l 15 110 nA ΔIOS Input Offset Current Shift VCM = V– + 0.1V to V+ l 30 220 nA AVOL Large-Signal Voltage Gain VS = 5V, VO = 75mV to 4.8V, RL = 10k l 400 2500 V/mV VS = 3V, VO = 75mV to 2.8V, RL = 10k l 300 2000 V/mV CMRR Common Mode Rejection Ratio VS = 5V, VCM = V– + 0.1V to V+ l 77 86 dB VS = 3V, VCM = V– + 0.1V to V+ l 73 81 dB CMRR Match (Channel-to-Channel) (Note 5) VS = 5V, VCM = V– + 0.1V to V+ l 72 86 dB VS = 3V, VCM = V– + 0.1V to V+ l 69 83 dB PSRR Power Supply Rejection Ratio VS = 2.5V to 12V, VCM = VO = 0.5V l 86 100 dB PSRR Match (Channel-to-Channel) (Note 5) VS = 2.5V to 12V, VCM = VO = 0.5V l 80 100 dB VOL Output Voltage Swing (Low) (Note 6) No Load l 18 40 mV ISINK = 0.5mA l 45 80 mV ISINK = 2.5mA l 110 220 mV VOH Output Voltage Swing (High) (Note 6) No Load l 3.5 15 mV ISOURCE = 0.5mA l 60 120 mV ISOURCE = 2.5mA l 170 300 mV ISC Short-Circuit Current VS = 5V l ±7.5 ±15 mA VS = 3V l ±7.5 ±15 mA IS Supply Current per Amplifi er l 2.0 2.7 mA GBW Gain-Bandwidth Product (Note 7) l 5.8 8.5 MHz SR Slew Rate (Note 8) VS = 5V, AV = –1, RL = Open, VO = 4V l 2.2 3.6 V/μs VS = 3V, AV = –1, RL = Open l 1.9 3.2 V/μs 14989fg 5