Datasheet LT1995 (Analog Devices) - 3
| 制造商 | Analog Devices |
| 描述 | 32MHz, 1000V/µs Gain Selectable Amplifier |
| 页数 / 页 | 20 / 3 — ELECTRICAL CHARACTERISTICS. Difference Amplifier Configuration. TA = 25 |
| 文件格式/大小 | PDF / 370 Kb |
| 文件语言 | 英语 |
ELECTRICAL CHARACTERISTICS. Difference Amplifier Configuration. TA = 25
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文件文字版本
LT1995
ELECTRICAL CHARACTERISTICS Difference Amplifier Configuration. TA = 25
°
C, VREF = VCM = 0V and unused gain pins are unconnected, unless otherwise noted. SYMBOL PARAMETER CONDITIONS VSUPPLY MIN TYP MAX UNITS
VOS_OA Op Amp Input Offset Voltage G = 1 (MS10) ±2.5V, ±5V, ±15V 0.5 2.5 mV (Note 10) G = 1 (DD10) ±2.5V, ±5V, ±15V 0.75 4.5 mV en Input Noise Voltage G = 1, f = 10kHz ±2.5V to ±15V 27 nV/√Hz G = 2, f = 10kHz ±2.5V to ±15V 18 nV/√Hz G = 4, f = 10kHz ±2.5V to ±15V 14 nV/√Hz RIN Common Mode Input Resistance VCM = ±15V, G = 1 ±15V 4 kΩ CIN Input Capacitance ±15V 2.5 pF Input Voltage Range G = 1 ±15V ±15 ±15.5 V ±5V ±5 ±5.5 V ±2.5V ±1 ±1.5 V CMRR Common Mode Rejection Ratio G = 1, VCM = ±15V ±15V 65 79 dB Referred to Input G = 2, VCM = ±15V ±15V 71 84 dB G = 4, VCM = ±15V ±15V 75 87 dB G = 1, VCM = ±5V ±5V 65 73 dB G = 1, VCM = ±1V ±2.5V 61 68 dB PSRR Power Supply Rejection Ratio P1 = M1 = 0V, G = 1, VS = ±2.5V to ±15V 78 87 dB VOUT Output Voltage Swing RL = 1k ±15V ±13.5 ±14 V RL = 500Ω ±15V ±13 ±13.5 V RL = 500Ω ±5V ±3.5 ±4 V RL = 500Ω ±2.5V ±1.3 ±2 V ISC Short-Circuit Current G = 1 ±15V ±70 ±120 mA SR Slew Rate G = –2, VOUT = ±12V, P2 = 0V ±15V 750 1000 V/µs Measured at VOUT = ±10V G = –2, VOUT = ±3.5V, P2 = 0V ±5V 450 V/µs Measured at VOUT = ±2V FPBW Full Power Bandwidth 10V Peak, G = –2 (Note 8) ±15V 16 MHz 3V Peak, G = –2 (Note 8) ±5V 24 MHz HD Total Harmonic Distortion G = 1, f = 1MHz, RL = 1k, VOUT = 2VP-P ±15V –81 dB –3dB Bandwidth G = 1 ±15V 32 MHz ±5V 25 MHz ±2.5V 21 MHz tr, tf Rise Time, Fall Time 10% to 90%, 0.1V, G = 1 ±15V 10 ns ±5V 15 ns OS Overshoot 0.1V, G = 1, CL = 10pF ±15V 30 % ±5V 30 % tpd Propagation Delay 50% VIN to 50% VOUT, 0.1V, G = 1 ±15V 9 ns ±5V 11 ns ts Settling Time 10V Step, 0.1%, G = 1 ±15V 100 ns 5V Step, 0.1%, G = 1 ±5V 110 ns ∆G Differential Gain G = 2, RL = 150Ω ±15V 0.06 % ∆θ Differential Phase G = 2, RL = 150Ω ±15V 0.15 Deg ROUT Output Resistance f = 1MHz, G = 1 ±15V 1.5 Ω IS Supply Current G = 1 ±15V 7.1 9.0 mA ±5V 6.7 8.5 mA 1995fb 3
ELECTRICAL CHARACTERISTICS Difference Amplifier Configuration. TA = 25
°
C, VREF = VCM = 0V and unused gain pins are unconnected, unless otherwise noted. SYMBOL PARAMETER CONDITIONS VSUPPLY MIN TYP MAX UNITS
VOS_OA Op Amp Input Offset Voltage G = 1 (MS10) ±2.5V, ±5V, ±15V 0.5 2.5 mV (Note 10) G = 1 (DD10) ±2.5V, ±5V, ±15V 0.75 4.5 mV en Input Noise Voltage G = 1, f = 10kHz ±2.5V to ±15V 27 nV/√Hz G = 2, f = 10kHz ±2.5V to ±15V 18 nV/√Hz G = 4, f = 10kHz ±2.5V to ±15V 14 nV/√Hz RIN Common Mode Input Resistance VCM = ±15V, G = 1 ±15V 4 kΩ CIN Input Capacitance ±15V 2.5 pF Input Voltage Range G = 1 ±15V ±15 ±15.5 V ±5V ±5 ±5.5 V ±2.5V ±1 ±1.5 V CMRR Common Mode Rejection Ratio G = 1, VCM = ±15V ±15V 65 79 dB Referred to Input G = 2, VCM = ±15V ±15V 71 84 dB G = 4, VCM = ±15V ±15V 75 87 dB G = 1, VCM = ±5V ±5V 65 73 dB G = 1, VCM = ±1V ±2.5V 61 68 dB PSRR Power Supply Rejection Ratio P1 = M1 = 0V, G = 1, VS = ±2.5V to ±15V 78 87 dB VOUT Output Voltage Swing RL = 1k ±15V ±13.5 ±14 V RL = 500Ω ±15V ±13 ±13.5 V RL = 500Ω ±5V ±3.5 ±4 V RL = 500Ω ±2.5V ±1.3 ±2 V ISC Short-Circuit Current G = 1 ±15V ±70 ±120 mA SR Slew Rate G = –2, VOUT = ±12V, P2 = 0V ±15V 750 1000 V/µs Measured at VOUT = ±10V G = –2, VOUT = ±3.5V, P2 = 0V ±5V 450 V/µs Measured at VOUT = ±2V FPBW Full Power Bandwidth 10V Peak, G = –2 (Note 8) ±15V 16 MHz 3V Peak, G = –2 (Note 8) ±5V 24 MHz HD Total Harmonic Distortion G = 1, f = 1MHz, RL = 1k, VOUT = 2VP-P ±15V –81 dB –3dB Bandwidth G = 1 ±15V 32 MHz ±5V 25 MHz ±2.5V 21 MHz tr, tf Rise Time, Fall Time 10% to 90%, 0.1V, G = 1 ±15V 10 ns ±5V 15 ns OS Overshoot 0.1V, G = 1, CL = 10pF ±15V 30 % ±5V 30 % tpd Propagation Delay 50% VIN to 50% VOUT, 0.1V, G = 1 ±15V 9 ns ±5V 11 ns ts Settling Time 10V Step, 0.1%, G = 1 ±15V 100 ns 5V Step, 0.1%, G = 1 ±5V 110 ns ∆G Differential Gain G = 2, RL = 150Ω ±15V 0.06 % ∆θ Differential Phase G = 2, RL = 150Ω ±15V 0.15 Deg ROUT Output Resistance f = 1MHz, G = 1 ±15V 1.5 Ω IS Supply Current G = 1 ±15V 7.1 9.0 mA ±5V 6.7 8.5 mA 1995fb 3