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LT1256 Datasheet(PDF) 3 Page - Linear Technology |
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LT1256 Datasheet(HTML) 3 Page - Linear Technology |
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3 / 24 page  3 LT1251/LT1256 SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS Gain Supply Rejection VC = 1.25V, VS = ±5V to ±15V q 0.03 0.10 %/V External Resistor Gain Pins 5,10 = Open, External 5k Resistors q 45 55 % 50% Input 1 from Pins 4,11 to Ground, VC = 1.25V SR Slew Rate VIN = ±2.5V, VO at ±2V, RL = 150Ω q 150 300 V/ µs Control Feedthrough VC = 1.25VDC + 2.5VP-P at 1kHz 2.5 mVP-P Full Power Bandwidth VO = 1VRMS 20 MHz BW Small-Signal Bandwidth VS = ±5V 30 MHz VS = ±15V 40 MHz Differential Gain (Notes 4,5) Control = 0% or 100% 0.02 % Control = 25% or 75% 0.90 % Differential Phase (Notes 4,5) Control = 0% or 100% 0.02 DEG Control = 25% or 75% 0.55 DEG THD Total Harmonic Distortion Gain = 100% 0.002 % Gain = 50% 0.015 % Gain = 10% 0.4 % tr, tf Rise Time, Fall Time 10% to 90%, VO = 100mV 11 ns OS Overshoot VO = 100mV 3 % tPD Propagation Delay VO = 100mV 10 ns tS Settling Time 0.1%, ∆VO = 2V 65 ns SIG AL A PLIFIER AC CHARACTERISTICS 0 °C ≤ TA ≤ 70°C, VS = ±5V, VIN = 1VRMS, f = 1kHz, AVMAX = 1, RF1 = RF2 = 1.5k, VFS = 2.5V, IC = IFS = NULL = Open, Pins 5,10 = GND, unless otherwise noted. SIG AL A PLIFIER DC CHARACTERISTICS 0 °C ≤ TA ≤ 70°C, VS = ±5V, VCM = 0V, VFS = 2.5V, IC = IFS = NULL = Open, Pins 5,10 = GND, unless otherwise noted. SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS VOS Input Offset Voltage Either Input q 25 mV Difference Between Inputs q –3 1 3 mV Input Offset Voltage Drift 10 µV/°C IIN + Noninverting Input Bias Current Either Input q – 2.5 0.5 2.5 µA IIN– Inverting Input Bias Current Either Input q –30 10 30 µA Difference Between Inputs q – 1 0.5 1 µA Inverting Input Bias Current Null Change Null (Pin 6) Open to V – q – 280 – 170 – 60 µA en Input Noise Voltage Density f = 1kHz 2.7 nV/ √Hz +in Noninverting Input Noise Current Density f = 1kHz 1.5 pA/ √Hz –in Inverting Input Noise Current Density f = 1kHz 29 pA/ √Hz RIN Input Resistance Either Noninverting Input q 517 M Ω CIN Input Capacitance Either Noninverting Input q 1.5 pF Input Voltage Range VS = ±5V q ±3 ±3.2 V VS = 5V q 2 3 V CMRR Common Mode Rejection Ratio VCM = – 3V to 3V q 55 61 dB VS = 5V, VCM = 2V to 3V, VO = 2.5V q 50 57 dB Inverting Input Current Common Mode Rejection VCM = – 3V to 3V q 0.07 0.25 µA/V VS = 5V, VCM = 2V to 3V, VO = 2.5V q 0.17 0.70 µA/V PSRR Power Supply Rejection Ratio VS = ±5V to ±15V q 70 76 dB Noninverting Input Current Power Supply Rejection VS = ±5V to ±15V q 30 100 nA/V Inverting Input Current Power Supply Rejection VS = ±5V to ±15V q 30 200 nA/V |
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Similar Description - LT1256 |
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