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LT1812 Datasheet(PDF) 3 Page - Linear Technology |
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LT1812 Datasheet(HTML) 3 Page - Linear Technology |
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3 / 16 page  LT1812 3 1812fb ELECTRICAL CHARACTERISTICS SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS VOS Input Offset Voltage (Note 4) 0.4 1.5 mV IOS Input Offset Current 30 400 nA IB Input Bias Current – 0.9 ±4 μA en Input Noise Voltage Density f = 10kHz 8 nV/√Hz in Input Noise Current Density f = 10kHz 1 pA/√Hz RIN Input Resistance VCM = ±3.5V Differential 310 1.5 MΩ MΩ CIN Input Capacitance 2pF VCM Input Voltage Range (Positive) Input Voltage Range (Negative) 3.5 4.2 –4.2 –3.5 V V CMRR Common Mode Rejection Ratio VCM = ±3.5V 75 85 dB Minimum Supply Voltage ±1.25 ± 2 V PSRR Power Supply Rejection Ratio VS = ±2V to ±5.5V 78 97 dB AVOL Large-Signal Voltage Gain VOUT = ±3V, RL = 500Ω VOUT = ±3V, RL = 100Ω 1.5 1.0 3.0 2.5 V/mV V/mV VOUT Maximum Output Swing RL = 500Ω, 30mV Overdrive RL = 100Ω, 30mV Overdrive ±3.80 ±3.35 ±4.0 ±3.5 V V IOUT Maximum Output Current VOUT = ±3V, 30mV Overdrive ±40 ±60 mA ISC Output Short-Circuit Current VOUT = 0V, 1V Overdrive (Note 3) ± 75 ±110 mA SR Slew Rate AV = –1 (Note 5) 500 750 V/μs FPBW Full Power Bandwidth 3V Peak (Note 6) 40 MHz GBW Gain Bandwidth Product f = 200kHz 75 100 MHz tr, tf Rise Time, Fall Time AV = 1, 10% to 90%, 0.1V, RL = 100Ω 2 ns OS Overshoot AV = 1, 0.1V, RL = 100Ω 25 % tPD Propagation Delay AV = 1, 50% VIN to 50% VOUT, 0.1V, RL = 100Ω 2.8 ns ts Settling Time 5V Step, 0.1%, AV = – 1 30 ns THD Total Harmonic Distortion f = 1MHz, VOUT = 2VP-P, AV = 2, RL = 500Ω –76 dB Differential Gain VOUT = 2VP-P, AV = 2, RL = 150Ω 0.12 % Differential Phase VOUT = 2VP-P, AV = 2, RL = 150Ω 0.07 DEG ROUT Output Resistance AV = 1, f = 1MHz 0.4 Ω ISHDN SHDN Pin Current SHDN > V– + 2.0V (On) (Note 11) SHDN < V– + 0.4V (Off) (Note 11) –100 0 –50 ±1 μA μA IS Supply Current SHDN > V– + 2.0V (On) (Note 11) SHDN < V– + 0.4V (Off) (Note 11) 3 50 3.6 100 mA μA TA = 25°C, VS = 5V, VCM = 2.5V, RL to 2.5V unless otherwise noted (Note 10). SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS VOS Input Offset Voltage (Note 4) 0.5 2.0 mV IOS Input Offset Current 30 400 nA IB Input Bias Current –1.0 ±4 μA en Input Noise Voltage Density f = 10kHz 8 nV/√Hz in Input Noise Current Density f = 10kHz 1 pA/√Hz RIN Input Resistance VCM = 1.5V to 3.5V Differential 310 1.5 MΩ MΩ TA = 25°C, VS = ± 5V, VCM = 0V unless otherwise noted (Note 10). |
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