Datasheet LT1994 (Analog Devices) - 8
| 制造商 | Analog Devices |
| 描述 | Low Noise, Low Distortion Fully Differential Input/Output Amplifier/Driver |
| 页数 / 页 | 20 / 8 — TYPICAL PERFORMANCE CHARACTERISTICS. Small-Signal Step Response. … |
| 文件格式/大小 | PDF / 232 Kb |
| 文件语言 | 英语 |
TYPICAL PERFORMANCE CHARACTERISTICS. Small-Signal Step Response. Large-Signal Step Response
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LT1994
TYPICAL PERFORMANCE CHARACTERISTICS Small-Signal Step Response Large-Signal Step Response Output with Large Input Overdrive
25pF LOAD VS = 3V VS = 3V OUT+ RF = RI = 499Ω RF = RI = 499Ω VCM = V– OUT+ 0pF LOAD OUT+ VS = 3V RF = RI = 499Ω VIN = 100mVP-P, 20mV/DIV 0.5V/DIV 0.5V/DIV SINGLE ENDED OUT– OUT– OUT– VIN = 3VP-P SINGLE ENDED VIN = 10VP-P SINGLE ENDED 20ns/DIV 100ns/DIV 2μs/DIV 1994 G18 1994 G19 1994 G20
Supply Current vs Supply Voltage Supply Current vs SHDN Voltage Supply Current vs SHDN Voltage
20 16 16 SHDN PIN VOLTAGE = V+ VS = 3V VS = 3V TA = 85°C (mA) 15 (mA) 12 (mA) 12 T T T A = –40°C TA = 85°C A = –40°C TA = 85°C A = –40°C 10 TA = 0°C 8 8 TA = 0°C TA = 0°C TA = 25°C T T A = 70°C TA = 70°C A = 70°C TA = 25°C TA = 25°C 5 4 4 TOTAL SUPPLY CURRENT TOTAL SUPPLY CURRENT TOTAL SUPPLY CURRENT 0 0 0 0 2.5 5.0 7.5 10.0 12.5 0 0.5 1.0 1.5 2.0 2.5 3.0 0 0.5 1.0 1.5 2.0 2.5 3.0 SUPPLY VOLTAGE (V) SHDN PIN VOLTAGE (V) SHDN PIN VOLTAGE (V) 1994 G21 1994 G23 1994 G23
SHDN Pin Current vs SHDN Shutdown Supply Current vs Pin Voltage Supply Voltage
0 1000 VS = 3V T (μA) A = –40°C 750 (μA) –10 TA = 0°C T TA = 25°C A = 25°C TA = 70°C 500 TA = 85°C PIN CURRENT TA = 85°C –20 TA = –40°C SHDN 250 SHUTDOWN SUPPLY CURRENT –30 0 0 0.5 1.0 1.5 2.0 2.5 3.0 0 2.5 5.0 7.5 10.0 12.5 SHDN PIN VOLTAGE (V) SUPPLY VOLTAGE (V) 1994 G24 1994 G25 1994fb 8
TYPICAL PERFORMANCE CHARACTERISTICS Small-Signal Step Response Large-Signal Step Response Output with Large Input Overdrive
25pF LOAD VS = 3V VS = 3V OUT+ RF = RI = 499Ω RF = RI = 499Ω VCM = V– OUT+ 0pF LOAD OUT+ VS = 3V RF = RI = 499Ω VIN = 100mVP-P, 20mV/DIV 0.5V/DIV 0.5V/DIV SINGLE ENDED OUT– OUT– OUT– VIN = 3VP-P SINGLE ENDED VIN = 10VP-P SINGLE ENDED 20ns/DIV 100ns/DIV 2μs/DIV 1994 G18 1994 G19 1994 G20
Supply Current vs Supply Voltage Supply Current vs SHDN Voltage Supply Current vs SHDN Voltage
20 16 16 SHDN PIN VOLTAGE = V+ VS = 3V VS = 3V TA = 85°C (mA) 15 (mA) 12 (mA) 12 T T T A = –40°C TA = 85°C A = –40°C TA = 85°C A = –40°C 10 TA = 0°C 8 8 TA = 0°C TA = 0°C TA = 25°C T T A = 70°C TA = 70°C A = 70°C TA = 25°C TA = 25°C 5 4 4 TOTAL SUPPLY CURRENT TOTAL SUPPLY CURRENT TOTAL SUPPLY CURRENT 0 0 0 0 2.5 5.0 7.5 10.0 12.5 0 0.5 1.0 1.5 2.0 2.5 3.0 0 0.5 1.0 1.5 2.0 2.5 3.0 SUPPLY VOLTAGE (V) SHDN PIN VOLTAGE (V) SHDN PIN VOLTAGE (V) 1994 G21 1994 G23 1994 G23
SHDN Pin Current vs SHDN Shutdown Supply Current vs Pin Voltage Supply Voltage
0 1000 VS = 3V T (μA) A = –40°C 750 (μA) –10 TA = 0°C T TA = 25°C A = 25°C TA = 70°C 500 TA = 85°C PIN CURRENT TA = 85°C –20 TA = –40°C SHDN 250 SHUTDOWN SUPPLY CURRENT –30 0 0 0.5 1.0 1.5 2.0 2.5 3.0 0 2.5 5.0 7.5 10.0 12.5 SHDN PIN VOLTAGE (V) SUPPLY VOLTAGE (V) 1994 G24 1994 G25 1994fb 8