Datasheet LT1995 (Analog Devices) - 6
| 制造商 | Analog Devices |
| 描述 | 32MHz, 1000V/µs Gain Selectable Amplifier |
| 页数 / 页 | 20 / 6 — TYPICAL PERFOR A CE CHARACTERISTICS (Difference Amplifier Configuration). … |
| 文件格式/大小 | PDF / 370 Kb |
| 文件语言 | 英语 |
TYPICAL PERFOR A CE CHARACTERISTICS (Difference Amplifier Configuration). Supply Current vs Supply Voltage. and Temperature
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LT1995
W U TYPICAL PERFOR A CE CHARACTERISTICS (Difference Amplifier Configuration) Supply Current vs Supply Voltage V and Temperature Input Noise Spectral Density OS Distribution
25 1000 10 VS = ±15V VS = ±15V VCM = 0V TA = 25°C G = 1 TA = 125°C 20 8 MS PACKAGE √Hz) TA = 25°C 100 15 6 G = 1 T G = 2 A = –55°C 10 4 10 G = 7 NUMBER OF UNITS (%) G = 4 SUPPLY CURRENT (mA) 5 2 INPUT VOLTAGE NOISE (nV/ 0 0 1 –3.5 –2.5 –1.5 –0.5 0.5 1.5 2.5 3.5 0 5 10 15 20 0.01 0.1 1 10 100 INPUT OFFSET VOLTAGE (mV) SUPPLY VOLTAGE (±V) FREQUENCY (kHz) 1995 G01 1995 G03 1995 G02
Change in Gain Error Output Voltage Swing vs Supply Output Voltage Swing vs Load vs Resistive Load Voltage Current
0.05 V+ V+ VS = ±15V T V A = 25°C S = ±5V 0.04 TA = 25°C –0.5 –0.5 VOUT = ±12V 0.03 RL = 1k 25 –1.0 °C G = 7 –1.0 0.02 –1.5 G = 4 –40°C RL = 500Ω –1.5 0.01 3.0 85°C –2.0 85°C 0 2.5 25°C G = 2 –0.01 2.0 1.5 RL = 500Ω –40°C –0.02 G = 1 OUTPUT VOLTAGE (V) OUTPUT VOLTAGE (V) 1.5 1.0 CHANGE IN GAIN ERROR (%) –0.03 RL = 1k 1.0 0.5 –0.04 0.5 –0.05 V– V– 0 1 2 3 4 5 6 7 8 9 10 0 5 10 15 20 –50 –25 0 25 50 RESISTIVE LOAD (kΩ) SUPPLY VOLTAGE (±V) OUTPUT CURRENT (mA) 1995 G04 1995 G05 1995 G06
Output Short-Circuit Current Warm-Up Drift vs Time vs Temperature Output Impedance vs Frequency
120 1000 300 V V V S = ±5V S = ±15V S = ±15V T T A = 25°C µV) A = 25°C 250 MS PACKAGE 100 ) Ω 100 80 200 G = 7 SOURCE G = 1 150 60 10 SINK G = 7 G = 1 100 40 OUTPUT IMPEDACNE ( 1 20 50 OUTPUT SHORT-CIRCUIT CURRENT (mA) CHANGE IN INPUT OFFSET VOLTAGE ( 0 0.1 0 –50 –25 0 25 50 75 100 125 10k 100k 1M 10M 100M 0 1 2 3 4 5 TIME AFTER POWER ON (MINUTES) TEMPERATURE (°C) FREQUENCY (Hz) 1995 G09 1995 G08 1995 G07 1995fb 6
W U TYPICAL PERFOR A CE CHARACTERISTICS (Difference Amplifier Configuration) Supply Current vs Supply Voltage V and Temperature Input Noise Spectral Density OS Distribution
25 1000 10 VS = ±15V VS = ±15V VCM = 0V TA = 25°C G = 1 TA = 125°C 20 8 MS PACKAGE √Hz) TA = 25°C 100 15 6 G = 1 T G = 2 A = –55°C 10 4 10 G = 7 NUMBER OF UNITS (%) G = 4 SUPPLY CURRENT (mA) 5 2 INPUT VOLTAGE NOISE (nV/ 0 0 1 –3.5 –2.5 –1.5 –0.5 0.5 1.5 2.5 3.5 0 5 10 15 20 0.01 0.1 1 10 100 INPUT OFFSET VOLTAGE (mV) SUPPLY VOLTAGE (±V) FREQUENCY (kHz) 1995 G01 1995 G03 1995 G02
Change in Gain Error Output Voltage Swing vs Supply Output Voltage Swing vs Load vs Resistive Load Voltage Current
0.05 V+ V+ VS = ±15V T V A = 25°C S = ±5V 0.04 TA = 25°C –0.5 –0.5 VOUT = ±12V 0.03 RL = 1k 25 –1.0 °C G = 7 –1.0 0.02 –1.5 G = 4 –40°C RL = 500Ω –1.5 0.01 3.0 85°C –2.0 85°C 0 2.5 25°C G = 2 –0.01 2.0 1.5 RL = 500Ω –40°C –0.02 G = 1 OUTPUT VOLTAGE (V) OUTPUT VOLTAGE (V) 1.5 1.0 CHANGE IN GAIN ERROR (%) –0.03 RL = 1k 1.0 0.5 –0.04 0.5 –0.05 V– V– 0 1 2 3 4 5 6 7 8 9 10 0 5 10 15 20 –50 –25 0 25 50 RESISTIVE LOAD (kΩ) SUPPLY VOLTAGE (±V) OUTPUT CURRENT (mA) 1995 G04 1995 G05 1995 G06
Output Short-Circuit Current Warm-Up Drift vs Time vs Temperature Output Impedance vs Frequency
120 1000 300 V V V S = ±5V S = ±15V S = ±15V T T A = 25°C µV) A = 25°C 250 MS PACKAGE 100 ) Ω 100 80 200 G = 7 SOURCE G = 1 150 60 10 SINK G = 7 G = 1 100 40 OUTPUT IMPEDACNE ( 1 20 50 OUTPUT SHORT-CIRCUIT CURRENT (mA) CHANGE IN INPUT OFFSET VOLTAGE ( 0 0.1 0 –50 –25 0 25 50 75 100 125 10k 100k 1M 10M 100M 0 1 2 3 4 5 TIME AFTER POWER ON (MINUTES) TEMPERATURE (°C) FREQUENCY (Hz) 1995 G09 1995 G08 1995 G07 1995fb 6