Datasheet LT1784 (Analog Devices) - 3
| 制造商 | Analog Devices |
| 描述 | 2.5MHz, Over-The-Top Low Power, Rail-to-Rail Input and Output Op Amp in SOT-23 |
| 页数 / 页 | 12 / 3 — ELECTRICAL CHARACTERISTICS. The. denotes the specifi cations which apply … |
| 文件格式/大小 | PDF / 204 Kb |
| 文件语言 | 英语 |
ELECTRICAL CHARACTERISTICS. The. denotes the specifi cations which apply over the specifi ed
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LT1784
ELECTRICAL CHARACTERISTICS The
l
denotes the specifi cations which apply over the specifi ed temperature range, otherwise specifi cations are at TA = 25°C. VS = 3V, 0V; VS = 5V, 0V, VCM = VOUT = half supply, for the 6-lead part VPIN5 = 0V, pulse power tested unless otherwise specifi ed. SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
IB Input Bias Current l 250 500 nA VCM = 18V (Note 3) l 225 400 μA SHDN or VS = 0V, VCM = 0V to 18V 0.1 nA ΔIB/ΔT Input Bias Current Drift –40°C ≤ TA ≤ 85°C l 0.4 nA/°C Input Noise Voltage 0.1Hz to 10Hz 1.5 μVP-P en Input Noise Voltage Density f = 10kHz 25 nV/√Hz in Input Noise Current Density f = 10kHz 0.3 pA/√Hz RIN Input Resistance Differential 100 200 kΩ Common Mode, VCM = 0V to (VCC – 1.2V) 150 MΩ Common Mode, VCM = 0V to 18V 45 80 kΩ CIN Input Capacitance 5 pF VCM Input Voltage Range l 0 18 V CMRR Common Mode Rejection Ratio VCM = 0V to VCC – 1.2V l 84 95 dB (Note 3) VCM = 0V to 18V (Note 6) l 60 70 dB PSRR Power Supply Rejection Ratio VS = 3V to 12.5V, VCM = VO = 1V l 90 100 dB AVOL Large-Signal Voltage Gain VS = 3V, VO = 500mV to 2.5V, RL = 10k 133 1000 V/mV VS = 3V, 0°C ≤ TA ≤ 70°C l 90 V/mV VS = 3V, –40°C ≤ TA ≤ 85°C l 60 V/mV VS = 5V, VO = 500mV to 4.5V, RL = 10k 266 1000 V/mV VS = 5V, 0°C ≤ TA ≤ 70°C l 180 V/mV VS = 5V, –40°C ≤ TA ≤ 85°C l 120 V/mV VOL Output Voltage Swing LOW No Load l 4 10 mV ISINK = 5mA l 200 400 mV VS = 5V, ISINK = 10mA l 350 600 mV VOH Output Voltage Swing HIGH VS = 3V, No Load l 2.885 2.93 V VS = 3V, ISOURCE = 3mA l 2.600 2.8 V VS = 5V, No Load l 4.885 4.93 V VS = 5V, ISOURCE = 10mA l 4.400 4.7 V ISC Short-Circuit Current (Note 2) VS = 3V, Short to GND 4 7.5 mA VS = 3V, Short to VCC 15 30 mA VS = 5V, Short to GND 12.5 22 mA VS = 5V, Short to VCC 20.0 40 mA Minimum Supply Voltage l 2.5 2.7 V Reverse Supply Voltage IS = –100μA l 18 V IS Supply Current 500 750 μA (Note 4) l 900 μA Supply Current, Shutdown VPIN5 = 2V, No Load (Note 8) l 7 18 μA ISHDN SHDN Pin Current VPIN5 = 0.3V (On), No Load (Note 8) l 0.5 nA VPIN5 = 2V (Shutdown), No Load (Note 8) l 2.0 8 μA VPIN5 = 5V (Shutdown), No Load (Note 8) 5.0 μA Output Leakage Current, Shutdown VPIN5 = 2V, No Load (Note 8) l 0.05 1 μA Maximum SHDN Pin Current VPIN5 = 18V, No Load (Note 8) l 10 30 μA VIL SHDN Pin Input Low Voltage (Note 8) l 0.3 V VIH SHDN Pin Input High Voltage (Note 8) l 2 V tON Turn-On Time VPIN5 = 5V to 0V, RL = 10k (Note 8) 18 μs tOFF Turn-Off Time VPIN5 = 0V to 5V, RL = 10k (Note 8) 2.2 μs 1784fa 3
ELECTRICAL CHARACTERISTICS The
l
denotes the specifi cations which apply over the specifi ed temperature range, otherwise specifi cations are at TA = 25°C. VS = 3V, 0V; VS = 5V, 0V, VCM = VOUT = half supply, for the 6-lead part VPIN5 = 0V, pulse power tested unless otherwise specifi ed. SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
IB Input Bias Current l 250 500 nA VCM = 18V (Note 3) l 225 400 μA SHDN or VS = 0V, VCM = 0V to 18V 0.1 nA ΔIB/ΔT Input Bias Current Drift –40°C ≤ TA ≤ 85°C l 0.4 nA/°C Input Noise Voltage 0.1Hz to 10Hz 1.5 μVP-P en Input Noise Voltage Density f = 10kHz 25 nV/√Hz in Input Noise Current Density f = 10kHz 0.3 pA/√Hz RIN Input Resistance Differential 100 200 kΩ Common Mode, VCM = 0V to (VCC – 1.2V) 150 MΩ Common Mode, VCM = 0V to 18V 45 80 kΩ CIN Input Capacitance 5 pF VCM Input Voltage Range l 0 18 V CMRR Common Mode Rejection Ratio VCM = 0V to VCC – 1.2V l 84 95 dB (Note 3) VCM = 0V to 18V (Note 6) l 60 70 dB PSRR Power Supply Rejection Ratio VS = 3V to 12.5V, VCM = VO = 1V l 90 100 dB AVOL Large-Signal Voltage Gain VS = 3V, VO = 500mV to 2.5V, RL = 10k 133 1000 V/mV VS = 3V, 0°C ≤ TA ≤ 70°C l 90 V/mV VS = 3V, –40°C ≤ TA ≤ 85°C l 60 V/mV VS = 5V, VO = 500mV to 4.5V, RL = 10k 266 1000 V/mV VS = 5V, 0°C ≤ TA ≤ 70°C l 180 V/mV VS = 5V, –40°C ≤ TA ≤ 85°C l 120 V/mV VOL Output Voltage Swing LOW No Load l 4 10 mV ISINK = 5mA l 200 400 mV VS = 5V, ISINK = 10mA l 350 600 mV VOH Output Voltage Swing HIGH VS = 3V, No Load l 2.885 2.93 V VS = 3V, ISOURCE = 3mA l 2.600 2.8 V VS = 5V, No Load l 4.885 4.93 V VS = 5V, ISOURCE = 10mA l 4.400 4.7 V ISC Short-Circuit Current (Note 2) VS = 3V, Short to GND 4 7.5 mA VS = 3V, Short to VCC 15 30 mA VS = 5V, Short to GND 12.5 22 mA VS = 5V, Short to VCC 20.0 40 mA Minimum Supply Voltage l 2.5 2.7 V Reverse Supply Voltage IS = –100μA l 18 V IS Supply Current 500 750 μA (Note 4) l 900 μA Supply Current, Shutdown VPIN5 = 2V, No Load (Note 8) l 7 18 μA ISHDN SHDN Pin Current VPIN5 = 0.3V (On), No Load (Note 8) l 0.5 nA VPIN5 = 2V (Shutdown), No Load (Note 8) l 2.0 8 μA VPIN5 = 5V (Shutdown), No Load (Note 8) 5.0 μA Output Leakage Current, Shutdown VPIN5 = 2V, No Load (Note 8) l 0.05 1 μA Maximum SHDN Pin Current VPIN5 = 18V, No Load (Note 8) l 10 30 μA VIL SHDN Pin Input Low Voltage (Note 8) l 0.3 V VIH SHDN Pin Input High Voltage (Note 8) l 2 V tON Turn-On Time VPIN5 = 5V to 0V, RL = 10k (Note 8) 18 μs tOFF Turn-Off Time VPIN5 = 0V to 5V, RL = 10k (Note 8) 2.2 μs 1784fa 3