Datasheet LT1881, LT1882 (Analog Devices) - 8
| Manufacturer | Analog Devices |
| Description | Dual and Quad Rail-to-Rail Output, Picoamp Input Precision Op Amps |
| Pages / Page | 18 / 8 — TYPICAL PERFORMANCE CHARACTERISTICS. Supply Current per Amplifi er vs … |
| File Format / Size | PDF / 310 Kb |
| Document Language | English |
TYPICAL PERFORMANCE CHARACTERISTICS. Supply Current per Amplifi er vs Supply Voltage. Slew Rate vs Supply Voltage
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LT1881/LT1882
TYPICAL PERFORMANCE CHARACTERISTICS Supply Current per Amplifi er vs Supply Voltage Slew Rate vs Supply Voltage Slew Rate vs Temperature
1200 0.45 0.5 A A 0.40 V = –1 V = –1 RISING RISING VS = ±15V 1000 125°C 0.35 0.4 VS = ±5V 800 0.30 25°C 0.3 0.25 VS = ±15V 600 FALLING FALLING –55°C 0.20 V 0.2 S = ±5V 400 SLEW RATE (V/μs) 0.15 SLEW RATE (V/μs) Y CURRENT PER AMPLIFIER (μA) 0.10 0.1 200 SUPPL 0.05 0 0 0 0 4 8 12 16 20 24 28 32 36 0 4 8 12 16 20 24 28 32 36 –50 –25 0 25 50 75 100 125 150 TOTAL SUPPLY VOLTAGE (V) TOTAL SUPPLY VOLTAGE (V) TEMPERATURE (°C) 18812 G01 18812 G02 18812 G03
Gain Bandwidth Product Settling Time vs Output Step Settling Time vs Output Step vs Supply Voltage
10 10 900 8 VS = ±15V 8 VS = ±15V AV = –1 AV = 1 850 6 6 125°C 4 0.1% 0.01% 4 0.1% 0.01% 800 2 2 25°C 0 0 750 –2 –55°C –2 OUTPUT STEP (V) OUTPUT STEP (V) 0.1% 0.01% 700 –4 0.1% 0.01% –4 –6 –6 GAIN BANDWIDTH PRODUCT (kHz) 650 –8 –8 –10 –10 600 0 5 10 15 20 25 30 35 40 45 50 55 60 65 0 5 10 15 20 25 30 35 40 45 50 55 60 65 0 4 8 12 16 20 24 28 32 36 SETTLING TIME (μs) SETTLING TIME (μs) TOTAL SUPPLY VOLTAGE (V) 18812 G04 18812 G05 18812 G06
Phase Margin vs Supply Voltage Gain vs Frequency, AV = –1 Gain vs Frequency, AV = 1
60 10 10 58 0 0 –55°C 56 –10 –10 54 125°C 125°C V V S = ±2.5V S = ±15V 52 GAIN (dB) –20 GAIN (dB) –20 PHASE MARGIN (DEG) 50 V V S = ±2.5V S = ±15V –30 –30 48 46 –40 –40 0 4 8 12 16 20 24 28 32 36 1k 10k 100k 1M 10M 100M 1k 10k 100k 1M 10M 100M TOTAL SUPPLY VOLTAGE (V) FREQUENCY (Hz) FREQUENCY (Hz) 18812 G07 18812 G08 18812 G09 18812fb 8
TYPICAL PERFORMANCE CHARACTERISTICS Supply Current per Amplifi er vs Supply Voltage Slew Rate vs Supply Voltage Slew Rate vs Temperature
1200 0.45 0.5 A A 0.40 V = –1 V = –1 RISING RISING VS = ±15V 1000 125°C 0.35 0.4 VS = ±5V 800 0.30 25°C 0.3 0.25 VS = ±15V 600 FALLING FALLING –55°C 0.20 V 0.2 S = ±5V 400 SLEW RATE (V/μs) 0.15 SLEW RATE (V/μs) Y CURRENT PER AMPLIFIER (μA) 0.10 0.1 200 SUPPL 0.05 0 0 0 0 4 8 12 16 20 24 28 32 36 0 4 8 12 16 20 24 28 32 36 –50 –25 0 25 50 75 100 125 150 TOTAL SUPPLY VOLTAGE (V) TOTAL SUPPLY VOLTAGE (V) TEMPERATURE (°C) 18812 G01 18812 G02 18812 G03
Gain Bandwidth Product Settling Time vs Output Step Settling Time vs Output Step vs Supply Voltage
10 10 900 8 VS = ±15V 8 VS = ±15V AV = –1 AV = 1 850 6 6 125°C 4 0.1% 0.01% 4 0.1% 0.01% 800 2 2 25°C 0 0 750 –2 –55°C –2 OUTPUT STEP (V) OUTPUT STEP (V) 0.1% 0.01% 700 –4 0.1% 0.01% –4 –6 –6 GAIN BANDWIDTH PRODUCT (kHz) 650 –8 –8 –10 –10 600 0 5 10 15 20 25 30 35 40 45 50 55 60 65 0 5 10 15 20 25 30 35 40 45 50 55 60 65 0 4 8 12 16 20 24 28 32 36 SETTLING TIME (μs) SETTLING TIME (μs) TOTAL SUPPLY VOLTAGE (V) 18812 G04 18812 G05 18812 G06
Phase Margin vs Supply Voltage Gain vs Frequency, AV = –1 Gain vs Frequency, AV = 1
60 10 10 58 0 0 –55°C 56 –10 –10 54 125°C 125°C V V S = ±2.5V S = ±15V 52 GAIN (dB) –20 GAIN (dB) –20 PHASE MARGIN (DEG) 50 V V S = ±2.5V S = ±15V –30 –30 48 46 –40 –40 0 4 8 12 16 20 24 28 32 36 1k 10k 100k 1M 10M 100M 1k 10k 100k 1M 10M 100M TOTAL SUPPLY VOLTAGE (V) FREQUENCY (Hz) FREQUENCY (Hz) 18812 G07 18812 G08 18812 G09 18812fb 8
