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LT1457 Datasheet(PDF) 3 Page - Linear Technology |
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LT1457 Datasheet(HTML) 3 Page - Linear Technology |
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3 / 8 page  3 LT1457 GBW Gain-Bandwidth Product (Note 5) 1.0 1.7 1.0 1.7 MHz IS Supply Current Per Amplifier 1.8 3.0 1.8 3.0 mA Channel Separation DC to 5kHz, VIN = ±10V 132 130 dB LT1457AC LT1457C/LT1457S8 SYMBOL PARAMETER CONDITIONS MIN TYP MAX MIN TYP MAX UNITS VS = ±15V, TA = 25°C,VCM = 0V unless otherwise noted. (Note 1) ELECTRICAL CHARACTERISTICS VS = ±15V, VCM = 0V, 0°C ≤ TA ≤ 70°C, unless otherwise noted. ELECTRICAL CHARACTERISTICS LT1457AC LT1457C/LT1457S8 SYMBOL PARAMETER CONDITIONS MIN TYP MAX MIN TYP MAX UNITS VOS Input Offset Voltage LT1457AC/C q 350 1100 400 1800 µV LT1457S8 q 500 2300 µV Average Temperature Coefficient of q 310 4 16 µV/°C Input Offset Voltage IOS Input Offset Current Warmed Up, TA = 85°C 0.1 0.5 0.1 0.6 nA IB Input Bias Current Warmed Up, TA = 85°C ±0.2 ±0.7 ±0.2 ±0.9 nA AVOL Large-Signal Voltage Gain VO = ±10V, RL = 2k q 40 120 30 110 V/mV CMRR Common-Mode Rejection Ratio VCM = ±10.4V q 84 97 80 95 dB PSRR Power Supply Rejection Ratio VS = ±5V to ±17V q 86 100 83 98 dB VOUT Output Voltage Swing RL = 2k q ±12 ±12.7 ±12 ±12.6 V IS Supply Current Per Amplifier TA = – 40°C 3.8 3.8 mA TA = 85°C 1.7 1.7 mA VS = ±15V, VCM = 0V, –40°C ≤ TA ≤ 85°C, unless otherwise noted. (Note 6) ELECTRICAL CHARACTERISTICS The q denotes the specifications which apply over the full operating temperature range. Note 1: Typical parameters are defined as the 60% yield of distributions of individual amplifiers; i.e., out of 100 LT1457s (200 op amps) typically 120 will be better than the indicated specification. Note 2: This parameter is tested on a sample basis only. Note 3: Current noise is calculated from the formula: in = (2qIb) 1/2, where q = 1.6 x 10–19 coulomb. The noise of source resistors up to 1G Ω swamps the contribution of current noise. Note 4: This parameter is not 100% tested. Note 5: Gain-Bandwidth product is not tested. It is guaranteed by design and by inference from the slew rate measurement. Note 6: The LT1457 is not tested and not quality-assurance-sampled at –40 °C and at 85°C. These specifications are guaranteed by design, correlation, and/or inference from 0 °C, 25°C, and 70°C tests. LT1457AC LT1457C/LT1457S8 SYMBOL PARAMETER CONDITIONS MIN TYP MAX MIN TYP MAX UNITS VOS Input Offset Voltage LT1457AC/C q 250 900 330 1500 µV LT1457S8 q 400 1900 µV Average Temperature Coefficient of q 310 4 16 µV/°C Input Offset Voltage (Note 4) IOS Input Offset Current Warmed Up, TA = 70°C 18 150 20 250 pA IB Input Bias Current Warmed Up, TA = 70°C ±50 ±250 ±60 ±350 pA AVOL Large-Signal Voltage Gain VO = ±10V, RL = 2k q 70 220 50 200 V/mV CMRR Common-Mode Rejection Ratio VCM = ±10.4V q 85 98 80 96 dB PSRR Power Supply Rejection Ratio VS = ±4.5V to ±18V q 87 102 84 100 dB VOUT Output Voltage Swing RL = 2k q ±12 ±12.8 ±12 ±12.8 V IS Supply Current Per Amplifier q 3.2 3.2 mA TA = 70°C 1.7 1.7 mA |
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