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LT2178 数据表(PDF) 5 Page - Linear Technology |
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LT2178 数据表(HTML) 5 Page - Linear Technology |
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5 / 28 page ![]() LTC6258/LTC6259/LTC6260 6258960fa 5 For more information www.linear.com/LTC6258 1.8V ELECTRICAL CHARACTERISTICS The l denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. VSUPPLY = 1.8V, VCM = VOUT = 0.4V, CL = 10pF, VSHDN is unconnected. SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS VOS Input Offset Voltage VCM = V– + 0.3V l –400 –1000 100 400 1000 µV µV VCM = V+ – 0.3V l –400 –1000 100 400 1000 µV µV ∆VOS/∆T Input Offset Voltage Drift VCM = V– + 0.3V, V+ – 0.3V 1.5 µV/°C IB Input Bias Current (Note 7) VCM = V– + 0.3V l –75 2 75 nA VCM = V+ – 0.3V l –75 5 75 nA IOS Input Offset Current VCM = V– + 0.3V l –75 2 75 nA VCM = V+ – 0.3V l –75 2 75 nA en Input Voltage Noise Density f = 1kHz, VCM = 0.4V 38 nV/√Hz Input Noise Voltage f = 0.1Hz to 10Hz 2 µVP-P in Input Current Noise Density f = 1kHz, VCM = 0V to 0.8V f = 1kHz, VCM = 1V to 1.8V 500 500 fA/√Hz fA/√Hz RIN Input Resistance Differential Common Mode 1 10 MΩ MΩ CIN Input Capacitance Differential Common Mode 0.65 1.2 pF pF CMRR Common Mode Rejection Ratio VCM = 0.2V to 1.6V l 70 61 90 dB dB IVR Input Voltage Range l –0.1 1.9 V PSRR Power Supply Rejection Ratio VCM = 0.4V, VS = 1.8V to 5.25V l 78 68 90 dB dB AV Large Signal Gain VOUT = 0.5V to 1.3V, RLOAD = 100k l 15 1.6 50 V/mV V/mV VOUT = 0.5V to 1.3V, RLOAD = 10k l 4 0.4 10 V/mV V/mV VOL Output Swing Low (Input Overdrive 30mV), Measured from V– No Load l 15 30 50 mV mV ISINK = 100µA l 80 110 130 mV mV ISINK = 1mA l 150 200 230 mV mV |
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