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LT1498CN8 Datasheet(PDF) 7 Page - Linear Technology |
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LT1498CN8 Datasheet(HTML) 7 Page - Linear Technology |
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7 / 16 page  7 LT1498/LT1499 SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS VOS Input Offset Voltage VCM = V + q 300 950 µV VCM = V – + 0.1V q 300 950 µV VOS TC Input Offset Voltage Drift (Note 2) q 1.0 3.5 µV/°C VCM = V + q 2.0 5.0 µV/°C ∆VOS Input Offset Voltage Shift VCM = V – + 0.1V to V+ q 250 850 µV Input Offset Voltage Match (Channel-to-Channel) VCM = V – + 0.1V, V+ (Note 4) q 350 1800 µV IB Input Bias Current VCM = V + q 0 350 800 nA VCM = V – + 0.1V q – 800 – 350 0 nA ∆IB Input Bias Current Shift VCM = V – + 0.1V to V+ q 700 1600 nA Input Bias Current Match (Channel-to-Channel) VCM = V + (Note 4) q 0 20 200 nA VCM = V– + 0.1V (Note 4) q – 200 – 20 0 nA IOS Input Offset Current VCM = V+ q 15 100 nA VCM = V– + 0.1V q 15 100 nA ∆IOS Input Offset Current Shift VCM = V– + 0.1V to V+ q 30 200 nA AVOL Large-Signal Voltage Gain VO = – 14.5V to 14.5V, RL = 10k q 800 5000 V/mV VO = – 10V to 10V, RL = 2k q 350 2000 V/mV Channel Separation VO = – 10V to 10V, RL = 2k q 110 120 dB CMRR Common Mode Rejection Ratio VCM = V– + 0.1V to V+ q 90 101 dB CMRR Match (Channel-to-Channel) (Note 4) VCM = V– + 0.1V to V+ q 86 100 dB PSRR Power Supply Rejection Ratio VS = ±5V to ±15V q 88 100 dB PSRR Match (Channel-to-Channel) (Note 4) VS = ±5V to ±15V q 82 100 dB VOL Output Voltage Swing (Low) (Note 5) No Load q 25 50 mV ISINK = 0.5mA q 50 100 mV ISINK = 10mA q 275 520 mV VOH Output Voltage Swing (High) (Note 5) No Load q 3.5 15 mV ISOURCE = 0.5mA q 65 120 mV ISOURCE = 10mA q 500 1000 mV ISC Short-Circuit Current q ±10 ±18 mA IS Supply Current per Amplifier q 2.0 3.0 mA GBW Gain-Bandwidth Product (Note 6) q 5.8 8.5 MHz SR Slew Rate AV = – 1, RL = Open, VO = ±10V, q 3 4.75 V/ µs Measure at VO = ±5V ELECTRICAL CHARACTERISTICS –40 °C < TA < 85°C, VS = ±15V, VCM = 0V, VOUT = 0V, unless otherwise noted. (Note 3) Note 4: Matching parameters are the difference between amplifiers A and D and between B and C on the LT1499; between the two amplifiers on the LT1498. Note 5: Output voltage swings are measured between the output and power supply rails. Note 6: VS = 3V, VS = ±15V GBW limit guaranteed by correlation to 5V tests. Note 7: VS = 3V, VS = 5V slew rate limit guaranteed by correlation to ±15V tests. The q denotes specifications that apply over the full operating temperature range. Note 1: A heat sink may be required to keep the junction temperature below the absolute maximum rating when the output is shorted indefinitely. Note 2: This parameter is not 100% tested. Note 3: The LT1498/LT1499 are designed, characterized and expected to meet these extended temperature limits, but are not tested at – 40 °C and 85 °C. Guaranteed I grade parts are available, consult factory. |
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