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LT1498MPS8TRPBF Datasheet(PDF) 9 Page - Linear Technology |
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LT1498MPS8TRPBF Datasheet(HTML) 9 Page - Linear Technology |
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9 / 20 page  LT1498/LT1499 14989fe 9 ELECTRICAL CHARACTERISTICS Note 1: Stresses beyond those listed under Absolute Maximum Ratings may cause permanent damage to the device. Exposure to any Absolute Maximum Rating condition for extended periods may affect device reliability and lifetime. Note 2: A heat sink may be required to keep the junction temperature below the absolute maximum rating when the output is shorted indefinitely. Note 3: This parameter is not 100% tested. Note 4: The LT1498C/LT1499C are guaranteed to meet specified performance from 0°C to 70°C. The LT1498C/LT1499C are designed, characterized and expected to meet specified performance from –40°C to 85°C but are not tested or QA sampled at these temperatures. The LT1498I/LT1499I are guaranteed to meet specified performance from –40°C to 85°C. The LT1498MP is guaranteed to meet specified performance from –55°C to 125°C. SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS VOS Input Offset Voltage VCM = V+ – 0.5V VCM = V– + 0.5V l l 350 350 1300 1300 μV μV VOS TC Input Offset Voltage Drift (Note 3) VCM = V+ – 0.5V l l 1.0 2.0 μV/°C μV/°C ΔVOS Input Offset Voltage Shift VCM = V– + 0.5V to V+ – 0.5V l 250 1500 μV Input Offset Voltage Match (Channel-to-Channel) VCM = V– + 0.5V, V+ – 0.5V (Note 5) l 400 2200 μV IB Input Bias Current VCM = V+ – 0.5V VCM = V– + 0.5V l l 0 –1200 500 –500 1200 0 nA nA ΔIB Input Bias Current Shift VCM = V– + 0.5V to V+ – 0.5V l 1000 2400 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 VO = –14.5V to 14.5V, RL = 10k l 40 400 V/mV Channel Separation VO = –10V to 10V, RL = 2k l 110 120 dB CMRR Common Mode Rejection Ratio VCM = V– + 0.5V to V+ – 0.5V l 86 100 dB CMRR Match (Channel-to-Channel) (Note 5) VCM = V– + 0.5V to V+ – 0.5V l 80 100 dB PSRR Power Supply Rejection Ratio VS = ±5V to ±15V l 88 100 dB PSRR Match (Channel-to-Channel) (Note 5) VS = ±5V to ±15V l 80 100 dB VOL Output Voltage Swing (Low) (Note 6) No Load ISINK = 0.5mA ISINK = 10mA l l l 25 50 275 75 100 520 mV mV mV VOH Output Voltage Swing (High) (Note 6) No Load ISOURCE = 0.5mA ISOURCE = 10mA l l l 3.5 65 500 20 120 1400 mV mV mV ISC Short-Circuit Current l ±7.5 ±12 mA IS Supply Current per Amplifier l 2.5 3.2 mA GBW Gain-Bandwidth Product (Note 7) l 5.8 8.5 MHz SR Slew Rate AV = –1, RL = Open, VO = ±10V Measure at VO = ±5V l 2.2 4.75 V/μs The l denotes the specifications which apply over the temperature range –55°C < TA < 125°C. VS = ±15V, VCM = 0V, VOUT = 0V, unless otherwise noted. (Note 4) Note 5: 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 6: Output voltage swings are measured between the output and power supply rails. Note 7: VS = 3V, VS = ±15V GBW limit guaranteed by correlation to 5V tests. Note 8: VS = 3V, VS = 5V slew rate limit guaranteed by correlation to ±15V tests. |
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