Datasheet LT1797 (Analog Devices) - 7
| Hersteller | Analog Devices |
| Beschreibung | 10MHz, Rail-to-Rail Input and Output Op Amp in SOT-23 |
| Seiten / Seite | 14 / 7 — Typical perForMance characTerisTics. Settling Time. Capacitive Load … |
| Dateiformat / Größe | PDF / 778 Kb |
| Dokumentensprache | Englisch |
Typical perForMance characTerisTics. Settling Time. Capacitive Load Handling. Open-Loop Gain. to 0.1% vs Output Step
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LT1797
Typical perForMance characTerisTics Settling Time Capacitive Load Handling Open-Loop Gain to 0.1% vs Output Step Overshoot vs Capacitive Load
4 50 VS = ±5V VS = ±5V VS = ±2.5V 3 45 AV = 1 AV = –1 40 2 35 1 30 RL = 50k 0 25 AV = 2 R A L = 10k –1 20 V = 1 R OVERSHOOT (%) L = 2k OUTPUT STEP (V) 15 –2 A A V = 1 AV = –1 10 V = 5 –3 5 A CHANGE IN INPUT OFFSET VOLTAGE (50µV/DIV) – 4 V = 10 0 –5 –4 –3 –2 –1 0 1 2 3 4 5 1.0 1.2 1.4 1.6 1.8 2.0 2.2 2.4 2.6 2.8 3.0 10 100 1000 10000 OUTPUT VOLTAGE (V) SETTLING TIME (µs) CAPACITIVE LOAD (pF) 1797 G19 1797 G20 1797 G21
Undistorted Output Swing Total Harmonic Distortion + Noise Total Harmonic Distortion + Noise vs Frequency vs Frequency vs Load Resistance
12 1 A R 10 L = 10k V 11 V = 1 S = 3V TOTAL V VS = 3V, 0V AV = 1 10 S = ±5V VOUT = 1.8VP-P f = 1kHz V ) 9 0.1 CM = 1V 1 P-P 8 7 A 6 0.01 V = –1 0.1 VS = 3V, 0V V 5 IN = 1.8VP-P VCM = 1.5V 4 THD + NOISE (%) THD + NOISE (%) OUTPUT SWING (V V A 3 S = ±1.5V 0.001 V = 1 0.01 VS = 3V, 0V 2 VIN = 1.8VP-P 1 VCM = 1V 0 0.0001 0.001 100 1k 10k 100k 1M 10 100 1k 10k 100k 0.1 1 10 100 FREQUENCY (Hz) FREQUENCY (Hz) LOAD RESISTANCE TO GROUND (kΩ) 1797 G22 1797 G23 1797 G24
Total Harmonic Distortion + Noise vs Output Voltage Amplitude Large-Signal Response Small-Signal Response
10 f = 1kHz VCM = HALF SUPPLY RL = 10k 1 AV = –1 VS = 3V, 0V A 0.1 V = 1 VS = ±1.5V THD + NOISE (%) 0.01 1797 G26 1797 G27 A A V = 1 V = –1 V V V VS = ±1.5V S = ±2.5V S = ±2.5V 0.001 S = 3V, 0V AV = 1 AV = 1 0 1 2 3 RL = 10k OUTPUT VOLTAGE (VP-P) 1797 G25 1797fc For more information www.linear.com/LT1797 7
Typical perForMance characTerisTics Settling Time Capacitive Load Handling Open-Loop Gain to 0.1% vs Output Step Overshoot vs Capacitive Load
4 50 VS = ±5V VS = ±5V VS = ±2.5V 3 45 AV = 1 AV = –1 40 2 35 1 30 RL = 50k 0 25 AV = 2 R A L = 10k –1 20 V = 1 R OVERSHOOT (%) L = 2k OUTPUT STEP (V) 15 –2 A A V = 1 AV = –1 10 V = 5 –3 5 A CHANGE IN INPUT OFFSET VOLTAGE (50µV/DIV) – 4 V = 10 0 –5 –4 –3 –2 –1 0 1 2 3 4 5 1.0 1.2 1.4 1.6 1.8 2.0 2.2 2.4 2.6 2.8 3.0 10 100 1000 10000 OUTPUT VOLTAGE (V) SETTLING TIME (µs) CAPACITIVE LOAD (pF) 1797 G19 1797 G20 1797 G21
Undistorted Output Swing Total Harmonic Distortion + Noise Total Harmonic Distortion + Noise vs Frequency vs Frequency vs Load Resistance
12 1 A R 10 L = 10k V 11 V = 1 S = 3V TOTAL V VS = 3V, 0V AV = 1 10 S = ±5V VOUT = 1.8VP-P f = 1kHz V ) 9 0.1 CM = 1V 1 P-P 8 7 A 6 0.01 V = –1 0.1 VS = 3V, 0V V 5 IN = 1.8VP-P VCM = 1.5V 4 THD + NOISE (%) THD + NOISE (%) OUTPUT SWING (V V A 3 S = ±1.5V 0.001 V = 1 0.01 VS = 3V, 0V 2 VIN = 1.8VP-P 1 VCM = 1V 0 0.0001 0.001 100 1k 10k 100k 1M 10 100 1k 10k 100k 0.1 1 10 100 FREQUENCY (Hz) FREQUENCY (Hz) LOAD RESISTANCE TO GROUND (kΩ) 1797 G22 1797 G23 1797 G24
Total Harmonic Distortion + Noise vs Output Voltage Amplitude Large-Signal Response Small-Signal Response
10 f = 1kHz VCM = HALF SUPPLY RL = 10k 1 AV = –1 VS = 3V, 0V A 0.1 V = 1 VS = ±1.5V THD + NOISE (%) 0.01 1797 G26 1797 G27 A A V = 1 V = –1 V V V VS = ±1.5V S = ±2.5V S = ±2.5V 0.001 S = 3V, 0V AV = 1 AV = 1 0 1 2 3 RL = 10k OUTPUT VOLTAGE (VP-P) 1797 G25 1797fc For more information www.linear.com/LT1797 7