Datasheet LT1994 (Analog Devices) - 6
| 制造商 | Analog Devices |
| 描述 | Low Noise, Low Distortion Fully Differential Input/Output Amplifier/Driver |
| 页数 / 页 | 20 / 6 — TYPICAL PERFORMANCE CHARACTERISTICS. Differential Input Referred. Common … |
| 文件格式/大小 | PDF / 232 Kb |
| 文件语言 | 英语 |
TYPICAL PERFORMANCE CHARACTERISTICS. Differential Input Referred. Common Mode Voltage Offset vs. Input Bias Current and Input
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LT1994
TYPICAL PERFORMANCE CHARACTERISTICS Differential Input Referred Common Mode Voltage Offset vs Input Bias Current and Input Voltage Offset vs Temperature Temperature Offset Current vs Temperature
500 7.5 –10 1.0 VS = 3V VS = 3V VCM = 1.5V VCM = 1.5V VOCM = 1.5V VOCM = 1.5V I INPUT OFFSET CURRENT B, VS = ±5V 250 FOUR TYPICAL UNITS FOUR TYPICAL UNITS 5.0 –15 0.5 (μA) (μV) OFFSET (mV) OS V 0 IOS, VS = 3V 2.5 –20 0 IOS, VS = ±5V –250 (μA) DIFFERENTIAL 0 INPUT BIAS CURRENT –25 –0.5 –500 IB, VS = 3V COMMON MODE VOLTAGE –750 –2.5 –30 –1.0 –50 –25 0 25 50 75 100 –50 –25 0 25 50 75 100 –50 –25 0 25 50 75 100 TEMPERATURE (°C) TEMPERATURE (°C) TEMPERATURE (°C) 1994 G01 1994 G02 1994 G03
Frequency Response vs Frequency Response vs Gain Bandwidth vs Temperature Supply Voltage Load Capacitance
72 2 2 RF = RI = 499Ω RF = RI = 499Ω VS = 2.5V 71 V V S = 3V S = 2.5V V 1 1 S = ±5V VS = 5V (MHz) 70 VS = 3V VS = 3V 69 0 0 GAIN (dB) VS = ±5V GAIN (dB) 68 GAIN BANDWIDTH –1 –1 5pF FROM EACH 67 OUTPUT TO GROUND 25pF FROM EACH OUTPUT TO GROUND 66 –2 –2 –50 –25 0 25 50 75 100 0.1 1 10 100 0.1 1 10 100 TEMPERATURE (°C) FREQUENCY (MHz) FREQUENCY (MHz) 1994 G04 1994 G05 1994 G06
Differential Power Supply Output Impedance vs Frequency Output Balance vs Frequency Rejection vs Frequency
100 –30 110 VS = 3V $VOUTCM $VS RF = RI = 499Ω $V 100 OUTDIFF $VOSDIFF –40 90 80 V+ SUPPLY (Ω) 10 –50 – 70 , OUT 60 V– SUPPLY + –60 SINGLE-ENDED INPUT 50 OUT 40 1 –70 Z OUT OUTPUT BALANCE (dB) 30 DIFFERENTIAL INPUT DIFFERENTIAL PSRR (dB) –80 20 10 VS = 3V VS = 3V 0.1 –90 0 0.1 1 10 100 1k 10k 100k 1M 10M 100M 1k 10k 100k 1M 10M 100M FREQUENCY (MHz) FREQUENCY (Hz) FREQUENCY (Hz) 1994 G07 1995 G08 1995 G09 1994fb 6
TYPICAL PERFORMANCE CHARACTERISTICS Differential Input Referred Common Mode Voltage Offset vs Input Bias Current and Input Voltage Offset vs Temperature Temperature Offset Current vs Temperature
500 7.5 –10 1.0 VS = 3V VS = 3V VCM = 1.5V VCM = 1.5V VOCM = 1.5V VOCM = 1.5V I INPUT OFFSET CURRENT B, VS = ±5V 250 FOUR TYPICAL UNITS FOUR TYPICAL UNITS 5.0 –15 0.5 (μA) (μV) OFFSET (mV) OS V 0 IOS, VS = 3V 2.5 –20 0 IOS, VS = ±5V –250 (μA) DIFFERENTIAL 0 INPUT BIAS CURRENT –25 –0.5 –500 IB, VS = 3V COMMON MODE VOLTAGE –750 –2.5 –30 –1.0 –50 –25 0 25 50 75 100 –50 –25 0 25 50 75 100 –50 –25 0 25 50 75 100 TEMPERATURE (°C) TEMPERATURE (°C) TEMPERATURE (°C) 1994 G01 1994 G02 1994 G03
Frequency Response vs Frequency Response vs Gain Bandwidth vs Temperature Supply Voltage Load Capacitance
72 2 2 RF = RI = 499Ω RF = RI = 499Ω VS = 2.5V 71 V V S = 3V S = 2.5V V 1 1 S = ±5V VS = 5V (MHz) 70 VS = 3V VS = 3V 69 0 0 GAIN (dB) VS = ±5V GAIN (dB) 68 GAIN BANDWIDTH –1 –1 5pF FROM EACH 67 OUTPUT TO GROUND 25pF FROM EACH OUTPUT TO GROUND 66 –2 –2 –50 –25 0 25 50 75 100 0.1 1 10 100 0.1 1 10 100 TEMPERATURE (°C) FREQUENCY (MHz) FREQUENCY (MHz) 1994 G04 1994 G05 1994 G06
Differential Power Supply Output Impedance vs Frequency Output Balance vs Frequency Rejection vs Frequency
100 –30 110 VS = 3V $VOUTCM $VS RF = RI = 499Ω $V 100 OUTDIFF $VOSDIFF –40 90 80 V+ SUPPLY (Ω) 10 –50 – 70 , OUT 60 V– SUPPLY + –60 SINGLE-ENDED INPUT 50 OUT 40 1 –70 Z OUT OUTPUT BALANCE (dB) 30 DIFFERENTIAL INPUT DIFFERENTIAL PSRR (dB) –80 20 10 VS = 3V VS = 3V 0.1 –90 0 0.1 1 10 100 1k 10k 100k 1M 10M 100M 1k 10k 100k 1M 10M 100M FREQUENCY (MHz) FREQUENCY (Hz) FREQUENCY (Hz) 1994 G07 1995 G08 1995 G09 1994fb 6