Datasheet LT1784 (Analog Devices) - 7
| 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 / 7 — TYPICAL PERFORMANCE CHARACTERISTICS. Gain Bandwidth Product. Gain … |
| 文件格式/大小 | PDF / 204 Kb |
| 文件语言 | 英语 |
TYPICAL PERFORMANCE CHARACTERISTICS. Gain Bandwidth Product. Gain Bandwidth Product and. vs Temperature
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LT1784
TYPICAL PERFORMANCE CHARACTERISTICS Gain Bandwidth Product Gain Bandwidth Product and vs Temperature Slew Rate vs Temperature Phase Margin vs Supply Voltage
2.8 3.0 65 VS = ±2.5V V A S = ±5V V = –1 PHASE MARGIN f = 5kHz RF = RG = 10k 2.7 f = 5kHz 60 RISING PHASE MARGIN (DEG) 2.6 2.5 55 2.5 FALLING 2.7 GAIN BANDWIDTH PRODUCT 2.4 SLEW RATE (V/μs) 2.0 2.6 2.3 2.5 GAIN BANDWIDTH PRODUCT (MHz) GAIN BANDWIDTH PRODUCT (MHz) 2.2 1.5 2.4 –50 –25 0 25 50 75 100 125 –50 –25 0 25 50 75 100 125 0 2 4 6 8 10 12 14 16 18 TEMPERATURE (°C) TEMPERATURE (°C) TOTAL SUPPLY VOLTAGE (V) 1784 G13 1784 G14 1784 G15
Gain Bandwidth and Phase Margin vs Load Resistance PSRR vs Frequency CMRR vs Frequency
65 90 120 VS = ±2.5V VS = ±2.5V 80 110 60 PHASE MARGIN 70 100 PHASE MARGIN (DEG) TIO (dB) POSITIVE SUPPLY 55 60 90 50 80 GAIN BANDWIDTH 40 70 2.6 PRODUCT NEGATIVE SUPPLY 30 60 2.4 20 50 VS = ±2.5V 40 A 10 V = –1 GAIN BANDWIDTH PRODUCT (MHz) 2.2 RF = RG = 10k POWER SUPPLY REJECTION RATIO (dB) 0 COMMON MODE REJECTION RA 30 f = 5kHz 2.0 –10 20 1k 10k 100k 1k 10k 100k 1M 10k 100k 1M LOAD RESISTANCE (Ω) FREQUENCY (Hz) FREQUENCY (Hz) 1784 G16 1784 G17 1784 G18
Disabled Output Impedance Settling Time to 0.1% Output Impedance vs Frequency vs Frequency vs Output Step
1k 1M 5 VS = ±2.5V VS = ±2.5V VS = ±5V VPIN 5 = 2.5V 4 AV = 1 100 3 100k A AV = –1 V = 100 2 10 1 10k 0 AV = 10 1 –1 OUTPUT STEP (V) A –2 AV = –1 V = 1 OUTPUT IMPEDANCE (Ω) OUTPUT IMPEDANCE (Ω) 1k AV = 1 0.1 –3 –4 0.01 100 –5 100 1k 10k 100k 1M 100 1k 10k 100k 1M 0 1 2 3 4 5 6 7 8 FREQUENCY (Hz) FREQUENCY (Hz) SETTLING TIME (μs) 1784 G19 1784 G20 1784 G21 1784fa 7
TYPICAL PERFORMANCE CHARACTERISTICS Gain Bandwidth Product Gain Bandwidth Product and vs Temperature Slew Rate vs Temperature Phase Margin vs Supply Voltage
2.8 3.0 65 VS = ±2.5V V A S = ±5V V = –1 PHASE MARGIN f = 5kHz RF = RG = 10k 2.7 f = 5kHz 60 RISING PHASE MARGIN (DEG) 2.6 2.5 55 2.5 FALLING 2.7 GAIN BANDWIDTH PRODUCT 2.4 SLEW RATE (V/μs) 2.0 2.6 2.3 2.5 GAIN BANDWIDTH PRODUCT (MHz) GAIN BANDWIDTH PRODUCT (MHz) 2.2 1.5 2.4 –50 –25 0 25 50 75 100 125 –50 –25 0 25 50 75 100 125 0 2 4 6 8 10 12 14 16 18 TEMPERATURE (°C) TEMPERATURE (°C) TOTAL SUPPLY VOLTAGE (V) 1784 G13 1784 G14 1784 G15
Gain Bandwidth and Phase Margin vs Load Resistance PSRR vs Frequency CMRR vs Frequency
65 90 120 VS = ±2.5V VS = ±2.5V 80 110 60 PHASE MARGIN 70 100 PHASE MARGIN (DEG) TIO (dB) POSITIVE SUPPLY 55 60 90 50 80 GAIN BANDWIDTH 40 70 2.6 PRODUCT NEGATIVE SUPPLY 30 60 2.4 20 50 VS = ±2.5V 40 A 10 V = –1 GAIN BANDWIDTH PRODUCT (MHz) 2.2 RF = RG = 10k POWER SUPPLY REJECTION RATIO (dB) 0 COMMON MODE REJECTION RA 30 f = 5kHz 2.0 –10 20 1k 10k 100k 1k 10k 100k 1M 10k 100k 1M LOAD RESISTANCE (Ω) FREQUENCY (Hz) FREQUENCY (Hz) 1784 G16 1784 G17 1784 G18
Disabled Output Impedance Settling Time to 0.1% Output Impedance vs Frequency vs Frequency vs Output Step
1k 1M 5 VS = ±2.5V VS = ±2.5V VS = ±5V VPIN 5 = 2.5V 4 AV = 1 100 3 100k A AV = –1 V = 100 2 10 1 10k 0 AV = 10 1 –1 OUTPUT STEP (V) A –2 AV = –1 V = 1 OUTPUT IMPEDANCE (Ω) OUTPUT IMPEDANCE (Ω) 1k AV = 1 0.1 –3 –4 0.01 100 –5 100 1k 10k 100k 1M 100 1k 10k 100k 1M 0 1 2 3 4 5 6 7 8 FREQUENCY (Hz) FREQUENCY (Hz) SETTLING TIME (μs) 1784 G19 1784 G20 1784 G21 1784fa 7