Datasheet LT1881, LT1882 (Analog Devices) - 6
| 制造商 | Analog Devices |
| 描述 | Dual and Quad Rail-to-Rail Output, Picoamp Input Precision Op Amps |
| 页数 / 页 | 18 / 6 — ELECTRICAL CHARACTERISTICS. The. denotes the specifi cations which apply … |
| 文件格式/大小 | PDF / 310 Kb |
| 文件语言 | 英语 |
ELECTRICAL CHARACTERISTICS. The. denotes the specifi cations which apply over the full operating
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LT1881/LT1882
ELECTRICAL CHARACTERISTICS The
l
denotes the specifi cations which apply over the full operating temperature range, otherwise specifi cations are at TA = 25°C. Split supply operation VS = ±15V, VCM = 0V unless otherwise noted. (Note 5) C/I Grades H/MP Grades SYMBOL PARAMETER CONDITIONS MIN TYP MAX MIN TYP MAX UNITS
Input Noise Voltage 0.1Hz to 10Hz 0.5 0.5 μVP-P en Input Noise Voltage Density f = 1kHz 14 14 nV/√Hz in Input Noise Current Density f = 1kHz 0.03 0.03 pA/√Hz RIN Input Resistance Differential Mode l 20 20 MΩ Common Mode l 100 100 GΩ CIN Input Capacitance l 2 2 pF VCM Input Voltage Range V– + 1.0 V+ – 1.0 V– + 1.0 V+ – 1.0 V l V– + 1.2 V+ – 1.2 V– + 1.2 V+ – 1.2 V CMRR Common Mode Rejection Ratio –13.5V < VCM < 13.5V l 114 130 110 130 dB +PSRR Positive Power Supply V– = –15V, VCM = 0V; l 110 132 108 132 dB Rejection Ratio 1.5V < V+ < 18V –PSRR Negative Power Supply V+ = 15V, VCM = 0V; l 106 132 104 132 dB Rejection Ratio –1.5V < V– < –18V Minimum Operating l ±1.2 ±1.35 ±1.2 ±1.35 V Supply Voltage AVOL Large-Signal Voltage Gain RL = 10k; –13.5V < VOUT < 13.5V 1000 1600 1000 1600 V/mV l 700 500 V/mV RL = 2k; –13.5V < VOUT < 4V 175 420 175 420 V/mV l 125 110 V/mV RL = 1k; 1V < VOUT < 4V 90 230 90 230 V/mV l 65 7 V/mV VOL Output Voltage Swing Low No Load l 20 40 20 50 mV (Referred to VEE) ISINK = 100μA l 25 50 25 60 mV ISINK = 1mA l 70 150 70 200 mV ISINK = 5mA l 270 600 270 750 mV VOH Output Voltage Swing High No Load l 120 220 120 300 mV (Referred to VCC) ISOURCE = 100μA l 130 230 130 325 mV ISOURCE = 1mA l 180 300 180 450 mV ISOURCE = 5mA l 360 600 360 800 mV IS Supply Current Per Amplifi er VS = ±15V 0.5 0.85 1.1 0.5 0.85 1.1 mA l 1.6 2.0 mA ISC Short-Circuit Current VOUT Short to V– 20 40 20 40 mA l 15 40 10 40 mA VOUT Short to V+ 20 30 20 30 mA l 15 30 10 30 mA GBW Gain Bandwidth Product f = 20kHz 0.4 0.85 0.4 0.85 MHz Channel Separation f = 1kHz 120 120 dB tS Settling Time 0.01%, VOUT = – 5V to 5V, 30 30 μs AV = –1, RL = 2k SR + Slew Rate Positive AV = –1 0.21 0.4 0.21 0.4 V/μs l 0.18 0.15 V/μs SR – Slew Rate Negative AV = –1 0.13 0.20 0.11 0.20 V/μs l 0.1 0.07 V/μs 18812fb 6
ELECTRICAL CHARACTERISTICS The
l
denotes the specifi cations which apply over the full operating temperature range, otherwise specifi cations are at TA = 25°C. Split supply operation VS = ±15V, VCM = 0V unless otherwise noted. (Note 5) C/I Grades H/MP Grades SYMBOL PARAMETER CONDITIONS MIN TYP MAX MIN TYP MAX UNITS
Input Noise Voltage 0.1Hz to 10Hz 0.5 0.5 μVP-P en Input Noise Voltage Density f = 1kHz 14 14 nV/√Hz in Input Noise Current Density f = 1kHz 0.03 0.03 pA/√Hz RIN Input Resistance Differential Mode l 20 20 MΩ Common Mode l 100 100 GΩ CIN Input Capacitance l 2 2 pF VCM Input Voltage Range V– + 1.0 V+ – 1.0 V– + 1.0 V+ – 1.0 V l V– + 1.2 V+ – 1.2 V– + 1.2 V+ – 1.2 V CMRR Common Mode Rejection Ratio –13.5V < VCM < 13.5V l 114 130 110 130 dB +PSRR Positive Power Supply V– = –15V, VCM = 0V; l 110 132 108 132 dB Rejection Ratio 1.5V < V+ < 18V –PSRR Negative Power Supply V+ = 15V, VCM = 0V; l 106 132 104 132 dB Rejection Ratio –1.5V < V– < –18V Minimum Operating l ±1.2 ±1.35 ±1.2 ±1.35 V Supply Voltage AVOL Large-Signal Voltage Gain RL = 10k; –13.5V < VOUT < 13.5V 1000 1600 1000 1600 V/mV l 700 500 V/mV RL = 2k; –13.5V < VOUT < 4V 175 420 175 420 V/mV l 125 110 V/mV RL = 1k; 1V < VOUT < 4V 90 230 90 230 V/mV l 65 7 V/mV VOL Output Voltage Swing Low No Load l 20 40 20 50 mV (Referred to VEE) ISINK = 100μA l 25 50 25 60 mV ISINK = 1mA l 70 150 70 200 mV ISINK = 5mA l 270 600 270 750 mV VOH Output Voltage Swing High No Load l 120 220 120 300 mV (Referred to VCC) ISOURCE = 100μA l 130 230 130 325 mV ISOURCE = 1mA l 180 300 180 450 mV ISOURCE = 5mA l 360 600 360 800 mV IS Supply Current Per Amplifi er VS = ±15V 0.5 0.85 1.1 0.5 0.85 1.1 mA l 1.6 2.0 mA ISC Short-Circuit Current VOUT Short to V– 20 40 20 40 mA l 15 40 10 40 mA VOUT Short to V+ 20 30 20 30 mA l 15 30 10 30 mA GBW Gain Bandwidth Product f = 20kHz 0.4 0.85 0.4 0.85 MHz Channel Separation f = 1kHz 120 120 dB tS Settling Time 0.01%, VOUT = – 5V to 5V, 30 30 μs AV = –1, RL = 2k SR + Slew Rate Positive AV = –1 0.21 0.4 0.21 0.4 V/μs l 0.18 0.15 V/μs SR – Slew Rate Negative AV = –1 0.13 0.20 0.11 0.20 V/μs l 0.1 0.07 V/μs 18812fb 6