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LT1498CS8PBF Datasheet(PDF) 5 Page - Linear Technology |
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LT1498CS8PBF Datasheet(HTML) 5 Page - Linear Technology |
5 / 20 page LT1498/LT1499 14989fe 5 The l denotes the specifications which apply over the temperature range –55°C < TA < 125°C. VS = 5V, 0V; VS = 3V, 0V; VCM = VOUT = half supply, unless otherwise noted. (Note 4) SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS VOS Input Offset Voltage VCM = V+ – 0.5V VCM = V– + 0.5V l l 300 300 1100 1100 μV μV VOS TC Input Offset Voltage Drift (Note 3) VCM = V+ – 0.5V l l 0.5 1.5 μV/°C μV/°C ΔVOS Input Offset Voltage Shift VCM = V– + 0.5V to V+ – 0.5V l 250 2300 μV Input Offset Voltage Match (Channel-to-Channel) VCM = V– + 0.5V, V+ – 0.5V (Note 5) l 300 1900 μV IB Input Bias Current VCM = V+ – 0.5V VCM = V– + 0.5V l l 0 –1100 450 –450 1100 0 nA nA ΔIB Input Bias Current Shift VCM = V– + 0.5V to V+ – 0.5V l 900 2200 nA Input Bias Current Match (Channel-to-Channel) VCM = V+ – 0.5V (Note 5) VCM = V– + 0.5V (Note 5) l l 0 –400 40 –40 400 0 nA nA IOS Input Offset Current VCM = V+ – 0.5V VCM = V– + 0.5V l l 40 40 300 300 nA nA ΔIOS Input Offset Current Shift VCM = V– + 0.5V to V+ – 0.5V l 80 600 nA AVOL Large-Signal Voltage Gain VS = 5V, VO = 0.5mV to 4.5V, RL = 10k VS = 3V, VO = 0.5mV to 2.5V, RL = 10k l l 40 20 210 210 V/mV V/mV CMRR Common Mode Rejection Ratio VS = 5V, VCM = V– + 0.5V to V+ – 0.5V VS = 3V, VCM = V– + 0.5V to V+ – 0.5V l l 66 62 80 75 dB dB CMRR Match (Channel-to-Channel) (Note 5) VS = 5V, VCM = V– + 0.5V to V+ – 0.5V VS = 3V, VCM = V– + 0.5V to V+ – 0.5V l l 62 58 80 75 dB 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 ELECTRICAL CHARACTERISTICS The l denotes the specifications 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) SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS AVOL Large-Signal Voltage Gain VS = 5V, VO = 75mV to 4.8V, RL = 10k VS = 3V, VO = 75mV to 2.8V, RL = 10k l l 400 300 2500 2000 V/mV V/mV CMRR Common Mode Rejection Ratio VS = 5V, VCM = V– + 0.1V to V+ VS = 3V, VCM = V– + 0.1V to V+ l l 77 73 86 81 dB dB CMRR Match (Channel-to-Channel) (Note 5) VS = 5V, VCM = V– + 0.1V to V+ VS = 3V, VCM = V– + 0.1V to V+ l l 72 69 86 83 dB 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 ISINK = 0.5mA ISINK = 2.5mA l l l 18 45 110 40 80 220 mV mV mV VOH Output Voltage Swing (High) (Note 6) No Load ISOURCE = 0.5mA ISOURCE = 2.5mA l l l 3.5 60 170 15 120 300 mV mV mV ISC Short-Circuit Current VS = 5V VS = 3V l l ±7.5 ±7.5 ±15 ±15 mA mA IS Supply Current per Amplifier 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 VS = 3V, AV = –1, RL = Open l l 2.2 1.9 3.6 3.2 V/μs V/μs |
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