Datasheet LT1789-1, LT1789-10 (Analog Devices) - 10
| 制造商 | Analog Devices |
| 描述 | Micropower, Single Supply Rail-to-Rail Output Instrumentation Amplifier |
| 页数 / 页 | 24 / 10 — TYPICAL PERFORMANCE CHARACTERISTICS (LT1789-1). Output Voltage Swing vs … |
| 文件格式/大小 | PDF / 339 Kb |
| 文件语言 | 英语 |
TYPICAL PERFORMANCE CHARACTERISTICS (LT1789-1). Output Voltage Swing vs Load Current. Gain vs Frequency
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LT1789-1/LT1789-10
TYPICAL PERFORMANCE CHARACTERISTICS (LT1789-1) Output Voltage Swing vs Load Current Gain vs Frequency Slew Rate vs Temperature
5.0 80 0.050 –55°C OUTPUT VOLTAGE SWING—SINKING (V) VS = 5V, 0V VS = 5V, 0V 4.8 70 VREF = 2.5V VREF = 2.5V 125°C G = 1000 0.045 G = 1 4.6 1.6 60 SOURCE 25°C 0.040 RL = 20k 4.4 1.4 50 G = 100 4.2 1.2 40 0.035 V RISING 4.0 S = 5V, 0V 1.0 30 0.030 VREF = 2.5V 125°C G = 10 0.8 GAIN (dB) 20 0.025 25°C FALLING 0.6 10 SLEW RATE (V/μs) G = 1 0.020 0.4 0 SINK –55°C 0.2 0.015 –10 OUTPUT VOLTAGE SWING—SOURCING (V) 0 –20 0.010 0.001 0.01 0.1 1 10 100 1k 10k 100k –50 –25 0 25 50 75 100 125 OUTPUT CURRENT (mA) FREQUENCY (Hz) TEMPERATURE (°C) 1789 G04 1789 G05 1789 G06
Common Mode Rejection Ratio Negative Power Supply Rejection Positive Power Supply Rejection vs Frequency Ratio vs Frequency Ratio vs Frequency
120 140 140 V V V S = 5V, 0V S = 5V, 0V S = 5V, 0V V V 110 VREF = 2.5V REF = 2.5V REF = 2.5V 120 G = 100, 1000 INPUT REFERRED 120 G = 1000 INPUT REFERRED G = 10 100 G = 10 G = 100 100 100 G = 100, 1000 G = 10 G = 1 90 G = 1 80 80 G = 1 80 60 60 70 40 40 60 50 20 20 COMMON MODE REJECTION RATIO (dB) 40 0 0 POSITIVE POWER SUPPLY REJECTION RATIO (dB) 10 100 1k 10k 20k NEGATIVE POWER SUPPLY REJECTION RATIO (dB) 10 100 1k 10k 20k 10 100 1k 10k 20k FREQUENCY (Hz) FREQUENCY (Hz) FREQUENCY (Hz) 1879 G07 1789 G08 1789 G09
Settling Time to 0.01% vs Output Impedance vs Frequency Overshoot vs Capacitive Load Output Step
10k 100 10 VS = 5V, 0V VS = 5V, 0V VS = ±15V VREF = 2.5V 90 VREF = 2.5V 8 RL = 20k V G = 1 80 OUT = 100mVP-P 6 1k 70 4 60 2 100 50 0 40 –2 OVERSHOOT (%) OUTPUT STEP (V) 30 AV = 1 –4 10 OUTPUT IMPEDANCE (Ω) 20 –6 AV = 10 10 –8 AV ≥ 100 1 0 –10 100 1k 10k 100k 1 10 100 1000 0 100 200 300 400 500 FREQUENCY (Hz) CAPACITIVE LOAD (pF) SETTLING TIME (μs) 1789 G10 1789 G11 1789 G12 1789fc 10
TYPICAL PERFORMANCE CHARACTERISTICS (LT1789-1) Output Voltage Swing vs Load Current Gain vs Frequency Slew Rate vs Temperature
5.0 80 0.050 –55°C OUTPUT VOLTAGE SWING—SINKING (V) VS = 5V, 0V VS = 5V, 0V 4.8 70 VREF = 2.5V VREF = 2.5V 125°C G = 1000 0.045 G = 1 4.6 1.6 60 SOURCE 25°C 0.040 RL = 20k 4.4 1.4 50 G = 100 4.2 1.2 40 0.035 V RISING 4.0 S = 5V, 0V 1.0 30 0.030 VREF = 2.5V 125°C G = 10 0.8 GAIN (dB) 20 0.025 25°C FALLING 0.6 10 SLEW RATE (V/μs) G = 1 0.020 0.4 0 SINK –55°C 0.2 0.015 –10 OUTPUT VOLTAGE SWING—SOURCING (V) 0 –20 0.010 0.001 0.01 0.1 1 10 100 1k 10k 100k –50 –25 0 25 50 75 100 125 OUTPUT CURRENT (mA) FREQUENCY (Hz) TEMPERATURE (°C) 1789 G04 1789 G05 1789 G06
Common Mode Rejection Ratio Negative Power Supply Rejection Positive Power Supply Rejection vs Frequency Ratio vs Frequency Ratio vs Frequency
120 140 140 V V V S = 5V, 0V S = 5V, 0V S = 5V, 0V V V 110 VREF = 2.5V REF = 2.5V REF = 2.5V 120 G = 100, 1000 INPUT REFERRED 120 G = 1000 INPUT REFERRED G = 10 100 G = 10 G = 100 100 100 G = 100, 1000 G = 10 G = 1 90 G = 1 80 80 G = 1 80 60 60 70 40 40 60 50 20 20 COMMON MODE REJECTION RATIO (dB) 40 0 0 POSITIVE POWER SUPPLY REJECTION RATIO (dB) 10 100 1k 10k 20k NEGATIVE POWER SUPPLY REJECTION RATIO (dB) 10 100 1k 10k 20k 10 100 1k 10k 20k FREQUENCY (Hz) FREQUENCY (Hz) FREQUENCY (Hz) 1879 G07 1789 G08 1789 G09
Settling Time to 0.01% vs Output Impedance vs Frequency Overshoot vs Capacitive Load Output Step
10k 100 10 VS = 5V, 0V VS = 5V, 0V VS = ±15V VREF = 2.5V 90 VREF = 2.5V 8 RL = 20k V G = 1 80 OUT = 100mVP-P 6 1k 70 4 60 2 100 50 0 40 –2 OVERSHOOT (%) OUTPUT STEP (V) 30 AV = 1 –4 10 OUTPUT IMPEDANCE (Ω) 20 –6 AV = 10 10 –8 AV ≥ 100 1 0 –10 100 1k 10k 100k 1 10 100 1000 0 100 200 300 400 500 FREQUENCY (Hz) CAPACITIVE LOAD (pF) SETTLING TIME (μs) 1789 G10 1789 G11 1789 G12 1789fc 10