Datasheet LT1793 (Analog Devices) - 6
| 制造商 | Analog Devices |
| 描述 | Low Noise, Picoampere Bias Current, JFET Input Op Amp |
| 页数 / 页 | 12 / 6 — TYPICAL PERFOR A CE CH. ARA TERISTICS. Output Voltage Swing. Small-Signal … |
| 文件格式/大小 | PDF / 176 Kb |
| 文件语言 | 英语 |
TYPICAL PERFOR A CE CH. ARA TERISTICS. Output Voltage Swing. Small-Signal Transient Response. Large-Signal Transient Response
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LT1793
W U TYPICAL PERFOR A CE CH C ARA TERISTICS Output Voltage Swing Small-Signal Transient Response Large-Signal Transient Response vs Load Current
V+ – 0.8 125°C –1.0 25°C –1.2 –55°C – 1.4 –1.6 5V/DIV V 20mV/DIV S = ±5V TO ±20V 2.0 1.8 1.6 125°C OUTPUT VOLTAGE SWING (V) 1.4 1793 G10 1793 G11 AV = 1 1µs/DIV A 5 V = 1 µs/DIV 1.2 C C –55°C 25°C L = 10pF L = 10pF VS = ±15V, ±5V RL = 2k V– +1.0 VS = ±15V –10 –8 –6 –4 –2 0 2 4 6 8 10 ISINK I OUTPUT CURRENT (mA) SOURCE 1793 G12
THD and Noise Frequency for Capacitive Load Handling Warm-Up Drift Noninverting Gain
50 90 1 VS = ±15V V Z S = ±15V L = 2k 15pF TA = 25°C T V A = 25°C O = 20VP-P R 75 A 40 L ≥ 10k µV) V = 1, 10, 100 VO = 100mVP-P SO-8 PACKAGE 0.1 MEASUREMENT BANDWIDTH AV = 10 = 10Hz TO 80kHz R 60 F = 10k 30 CF = 20pF AV = 100 45 0.01 20 N8 PACKAGE OVERSHOOT (%) 30 A A V = 1 V = 10 AV = 1 0.001 10 CHANGE IN OFFSET VOLTAGE ( 15 NOISE FLOOR AV = 10 TOTAL HARMONIC DISTORTION + NOISE (%) 0 0 0.0001 0.1 1 10 100 1000 10000 0 1 2 3 4 5 6 20 100 1k 10k 20k CAPACITIVE LOAD (pF) TIME AFTER POWER ON (MINUTES) FREQUENCY (Hz) 1793 G13 1793 G15 1793 G14
THD and Noise vs Frequency for THD and Noise vs Output THD and Noise vs Output Inverting Gain Amplitude for Inverting Gain Amplitude for Noninverting Gain
1 1 1 ZL = 2k 15pF Z Z L = 2k 15pF, fO = 1kHz L = 2k 15pF, fO = 1kHz VO = 20VP-P A A V = –1, –10, –100 V = 1, 10, 100 AV = –1, –10, –100 MEASUREMENT BANDWIDTH MEASUREMENT BANDWIDTH 0.1 MEASUREMENT BANDWIDTH 0.1 = 10Hz TO 22kHz 0.1 = 10Hz TO 22kHz = 10Hz TO 80kHz AV = –100 AV = –100 AV = 100 0.01 0.01 0.01 AV = 10 A A V = – 10 V = –10 0.001 AV = –1 0.001 0.001 AV = 1 AV = –1 NOISE FLOOR TOTAL HARMONIC DISTORTION + NOISE (%) 0.0001 TOTAL HARMONIC DISTORTION + NOISE (%) TOTAL HARMONIC DISTORTION + NOISE (%) 0.0001 0.0001 20 100 1k 10k 20k 0.3 1 10 30 0.3 1 10 30 FREQUENCY (Hz) OUTPUT SWING (V OUTPUT SWING (V P-P) P-P) 1793 G16 1793 G17 1793 G18 6
W U TYPICAL PERFOR A CE CH C ARA TERISTICS Output Voltage Swing Small-Signal Transient Response Large-Signal Transient Response vs Load Current
V+ – 0.8 125°C –1.0 25°C –1.2 –55°C – 1.4 –1.6 5V/DIV V 20mV/DIV S = ±5V TO ±20V 2.0 1.8 1.6 125°C OUTPUT VOLTAGE SWING (V) 1.4 1793 G10 1793 G11 AV = 1 1µs/DIV A 5 V = 1 µs/DIV 1.2 C C –55°C 25°C L = 10pF L = 10pF VS = ±15V, ±5V RL = 2k V– +1.0 VS = ±15V –10 –8 –6 –4 –2 0 2 4 6 8 10 ISINK I OUTPUT CURRENT (mA) SOURCE 1793 G12
THD and Noise Frequency for Capacitive Load Handling Warm-Up Drift Noninverting Gain
50 90 1 VS = ±15V V Z S = ±15V L = 2k 15pF TA = 25°C T V A = 25°C O = 20VP-P R 75 A 40 L ≥ 10k µV) V = 1, 10, 100 VO = 100mVP-P SO-8 PACKAGE 0.1 MEASUREMENT BANDWIDTH AV = 10 = 10Hz TO 80kHz R 60 F = 10k 30 CF = 20pF AV = 100 45 0.01 20 N8 PACKAGE OVERSHOOT (%) 30 A A V = 1 V = 10 AV = 1 0.001 10 CHANGE IN OFFSET VOLTAGE ( 15 NOISE FLOOR AV = 10 TOTAL HARMONIC DISTORTION + NOISE (%) 0 0 0.0001 0.1 1 10 100 1000 10000 0 1 2 3 4 5 6 20 100 1k 10k 20k CAPACITIVE LOAD (pF) TIME AFTER POWER ON (MINUTES) FREQUENCY (Hz) 1793 G13 1793 G15 1793 G14
THD and Noise vs Frequency for THD and Noise vs Output THD and Noise vs Output Inverting Gain Amplitude for Inverting Gain Amplitude for Noninverting Gain
1 1 1 ZL = 2k 15pF Z Z L = 2k 15pF, fO = 1kHz L = 2k 15pF, fO = 1kHz VO = 20VP-P A A V = –1, –10, –100 V = 1, 10, 100 AV = –1, –10, –100 MEASUREMENT BANDWIDTH MEASUREMENT BANDWIDTH 0.1 MEASUREMENT BANDWIDTH 0.1 = 10Hz TO 22kHz 0.1 = 10Hz TO 22kHz = 10Hz TO 80kHz AV = –100 AV = –100 AV = 100 0.01 0.01 0.01 AV = 10 A A V = – 10 V = –10 0.001 AV = –1 0.001 0.001 AV = 1 AV = –1 NOISE FLOOR TOTAL HARMONIC DISTORTION + NOISE (%) 0.0001 TOTAL HARMONIC DISTORTION + NOISE (%) TOTAL HARMONIC DISTORTION + NOISE (%) 0.0001 0.0001 20 100 1k 10k 20k 0.3 1 10 30 0.3 1 10 30 FREQUENCY (Hz) OUTPUT SWING (V OUTPUT SWING (V P-P) P-P) 1793 G16 1793 G17 1793 G18 6