Datasheet LT1490A, LT1491A (Analog Devices) - 10
| 制造商 | Analog Devices |
| 描述 | Dual/Quad Over-The-Top Micropower Rail-to-Rail Input and Output Op Amps |
| 页数 / 页 | 18 / 10 — TYPICAL PERFORMANCE CHARACTERISTICS. Undistorted Output Swing. Settling … |
| 文件格式/大小 | PDF / 234 Kb |
| 文件语言 | 英语 |
TYPICAL PERFORMANCE CHARACTERISTICS. Undistorted Output Swing. Settling Time to 0.1%. Capacitive Load Handling,. vs Frequency
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LT1490A/LT1491A
TYPICAL PERFORMANCE CHARACTERISTICS Undistorted Output Swing Settling Time to 0.1% Capacitive Load Handling, vs Frequency vs Output Step Overshoot vs Capacitive Load
35 10 100 DISTORTION ≤ 1% V V V S = ±15V S = 5V, 0V S = ±15V 8 90 I 30 A SOURCE = 170μA V = –1 6 80 ) A 25 V = 1 P-P 4 70 2 60 20 0 50 A 15 V = 10 –2 40 AV = 1 AV = 2 AV = 5 OUTPUT STEP (V) OVERSHOOT (%) – 4 30 OUTPUT SWING (V 10 VS = 5V, 0V – 6 AV = –1 20 5 –8 A 10 V = 1 0 –10 0 0.1 1 10 100 0 20 40 60 80 100 120 140 160 10 100 1000 10000 FREQUENCY (kHz) SETTLING TIME (μs) CAPACITIVE LOAD (pF) 1490A G19 1490A F20 1490A G21
Total Harmonic Distortion + Noise Total Harmonic Distortion + Noise Total Harmonic Distortion + Noise vs Frequency vs Load Resistance vs Output Voltage
10 10 10 VS = 3V, 0V VS = 3V TOTAL RL = 10k VOUT = 2VP-P AV = 1 VCM = HALF SUPPLY VCM = 1.2V VIN = 2VP-P AT 1kHz f = 1kHz 1 RL = 50k 1 1 VS = ±1.5V VIN = ±1V A A V = –1 V = 1 VS = ±1.5V 0.1 0.1 0.1 VS = ±1.5V VS = 3V, 0V VIN = 0.5V TO 2.5V THD + NOISE (%) THD + NOISE (%) THD + NOISE (%) 0.01 A A 0.01 0.01 V = –1 V = –1 V A S = 3V, 0V A V V = 1 V = 1 S = 3V, 0V V V IN = 0.2V TO 2.2V S = 3V, 0V 0.001 0.001 0.001 0.01 0.1 1 10 0.1 1 10 100 0 1 2 3 FREQUENCY (kHz) LOAD RESISTANCE TO GROUND (kΩ) OUTPUT VOLTAGE (VP-P) 1490A G24 1490A G22 1490A G23
Open-Loop Gain Large-Signal Response Small-Signal Response
VS = ±15V TAGE RL = 2k RL = 10k /DIV) V RL = 50k (100μ CHANGE IN INPUT OFFSET VOL 1491A G27 0V 10V 1490A G25 –10V V 1491A G26 S = ±15V VS = ±15V OUTPUT VOLTAGE (5V/DIV) AV = –1 AV = 1 14901afd 10 Document Outline FEATURES DESCRIPTION APPLICATIONS TYPICAL APPLICATION ABSOLUTE MAXIMUM RATINGS PIN CONFIGURATION ORDER INFORMATION ELECTRICAL CHARACTERISTICS TYPICAL PERFORMANCE CHARACTERISTICS APPLICATIONS INFORMATION TYPICAL APPLICATIONS SIMPLIFIED SCHEMATIC PACKAGE DESCRIPTION REVISION HISTORY TYPICAL APPLICATION RELATED PARTS
TYPICAL PERFORMANCE CHARACTERISTICS Undistorted Output Swing Settling Time to 0.1% Capacitive Load Handling, vs Frequency vs Output Step Overshoot vs Capacitive Load
35 10 100 DISTORTION ≤ 1% V V V S = ±15V S = 5V, 0V S = ±15V 8 90 I 30 A SOURCE = 170μA V = –1 6 80 ) A 25 V = 1 P-P 4 70 2 60 20 0 50 A 15 V = 10 –2 40 AV = 1 AV = 2 AV = 5 OUTPUT STEP (V) OVERSHOOT (%) – 4 30 OUTPUT SWING (V 10 VS = 5V, 0V – 6 AV = –1 20 5 –8 A 10 V = 1 0 –10 0 0.1 1 10 100 0 20 40 60 80 100 120 140 160 10 100 1000 10000 FREQUENCY (kHz) SETTLING TIME (μs) CAPACITIVE LOAD (pF) 1490A G19 1490A F20 1490A G21
Total Harmonic Distortion + Noise Total Harmonic Distortion + Noise Total Harmonic Distortion + Noise vs Frequency vs Load Resistance vs Output Voltage
10 10 10 VS = 3V, 0V VS = 3V TOTAL RL = 10k VOUT = 2VP-P AV = 1 VCM = HALF SUPPLY VCM = 1.2V VIN = 2VP-P AT 1kHz f = 1kHz 1 RL = 50k 1 1 VS = ±1.5V VIN = ±1V A A V = –1 V = 1 VS = ±1.5V 0.1 0.1 0.1 VS = ±1.5V VS = 3V, 0V VIN = 0.5V TO 2.5V THD + NOISE (%) THD + NOISE (%) THD + NOISE (%) 0.01 A A 0.01 0.01 V = –1 V = –1 V A S = 3V, 0V A V V = 1 V = 1 S = 3V, 0V V V IN = 0.2V TO 2.2V S = 3V, 0V 0.001 0.001 0.001 0.01 0.1 1 10 0.1 1 10 100 0 1 2 3 FREQUENCY (kHz) LOAD RESISTANCE TO GROUND (kΩ) OUTPUT VOLTAGE (VP-P) 1490A G24 1490A G22 1490A G23
Open-Loop Gain Large-Signal Response Small-Signal Response
VS = ±15V TAGE RL = 2k RL = 10k /DIV) V RL = 50k (100μ CHANGE IN INPUT OFFSET VOL 1491A G27 0V 10V 1490A G25 –10V V 1491A G26 S = ±15V VS = ±15V OUTPUT VOLTAGE (5V/DIV) AV = –1 AV = 1 14901afd 10 Document Outline FEATURES DESCRIPTION APPLICATIONS TYPICAL APPLICATION ABSOLUTE MAXIMUM RATINGS PIN CONFIGURATION ORDER INFORMATION ELECTRICAL CHARACTERISTICS TYPICAL PERFORMANCE CHARACTERISTICS APPLICATIONS INFORMATION TYPICAL APPLICATIONS SIMPLIFIED SCHEMATIC PACKAGE DESCRIPTION REVISION HISTORY TYPICAL APPLICATION RELATED PARTS