Datasheet LT1462, LT1463 (Analog Devices) - 6
| 制造商 | Analog Devices |
| 描述 | Dual/Quad Micropower, 260µW C-Load Picoampere Bias Current JFET Input Op Amps |
| 页数 / 页 | 12 / 6 — TYPICAL PERFORMANCE CHARACTERISTICS. Common Mode Rejection Ratio vs. … |
| 文件格式/大小 | PDF / 288 Kb |
| 文件语言 | 英语 |
TYPICAL PERFORMANCE CHARACTERISTICS. Common Mode Rejection Ratio vs. Power Supply Rejection Ratio vs
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LT1462/LT1463
W U TYPICAL PERFORMANCE CHARACTERISTICS Common Mode Rejection Ratio vs Power Supply Rejection Ratio vs Gain and Phase vs Frequency Frequency Frequency
70 120 100 120 VS = ±15V V T S = ±15V A = 25°C 60 TA = 25°C 100 TA = 25°C 100 80 POSITIVE 50 PHASE MARGIN (DEG) 80 PHASE SUPPLY 80 40 60 60 NEGATIVE SUPPLY 30 40 60 20 20 40 40 VOLTAGE GAIN (dB) GAIN 10 0 20 20 0 –20 COMMON MODE REJECTION RATIO (dB) POWER SUPPLY REJECTION RATIO (dB) –10 –40 0 0 1 10 100 1000 10 100 1k 10k 100k 1M 10 100 1k 10k 100k 1M FREQUENCY (kHz) FREQUENCY (Hz) FREQUENCY (Hz) LT1462 • TPC10 LT1462 • TPC11 LTC1462 • TPC12
Common Mode and Power Supply Phase Margin vs CLOAD Rejections vs Temperature Closed-Loop Output Impedance
80 95 10k VS = ±15V VS = ±2.5V TO ±20V FOR PSRR VS = ±15V C 70 T L = 0pF A = 25°C VS = ±15V, VCM = –12V TO 15V FOR CMRR TA = 25°C 1k AV = 1 60 ) Ω 90 PSRR 50 C 100 L = 1000pF CMRR 40 CL = 10nF 30 10 CMRR, PSRR (dB) 85 PHASE MARGIN (DEG) 20 OUTPUT IMEDANCE ( 1 10 0 80 0.1 1 10 100 1000 10000 –75 –50 –25 0 25 50 75 100 125 10 100 1k 10k 100k 1M CAPACITIVE LOAD (pF) TEMPERATURE (°C) FREQUENCY (Hz) LT1462 • TPC13 LT1462 • TPC14 LT1462 • TPC15
Large-Signal Response, Small-Signal Response, Small-Signal Response, V V V S =
±
15V S =
±
5V,
±
15V S =
±
5V,
±
15V, CL = 1000pF
0V 0V 0V 5V/DIV 20mV/DIV 50mV/DIV A = 1 0.1ms/DIV A A = 1 50µs/DIV V V = 1 5µs/DIV V C = 10pF C = 10pF C = 1000pF L L L LT1462 • TPC16 LT1462 • TPC17 LT1462 • TPC18 6
W U TYPICAL PERFORMANCE CHARACTERISTICS Common Mode Rejection Ratio vs Power Supply Rejection Ratio vs Gain and Phase vs Frequency Frequency Frequency
70 120 100 120 VS = ±15V V T S = ±15V A = 25°C 60 TA = 25°C 100 TA = 25°C 100 80 POSITIVE 50 PHASE MARGIN (DEG) 80 PHASE SUPPLY 80 40 60 60 NEGATIVE SUPPLY 30 40 60 20 20 40 40 VOLTAGE GAIN (dB) GAIN 10 0 20 20 0 –20 COMMON MODE REJECTION RATIO (dB) POWER SUPPLY REJECTION RATIO (dB) –10 –40 0 0 1 10 100 1000 10 100 1k 10k 100k 1M 10 100 1k 10k 100k 1M FREQUENCY (kHz) FREQUENCY (Hz) FREQUENCY (Hz) LT1462 • TPC10 LT1462 • TPC11 LTC1462 • TPC12
Common Mode and Power Supply Phase Margin vs CLOAD Rejections vs Temperature Closed-Loop Output Impedance
80 95 10k VS = ±15V VS = ±2.5V TO ±20V FOR PSRR VS = ±15V C 70 T L = 0pF A = 25°C VS = ±15V, VCM = –12V TO 15V FOR CMRR TA = 25°C 1k AV = 1 60 ) Ω 90 PSRR 50 C 100 L = 1000pF CMRR 40 CL = 10nF 30 10 CMRR, PSRR (dB) 85 PHASE MARGIN (DEG) 20 OUTPUT IMEDANCE ( 1 10 0 80 0.1 1 10 100 1000 10000 –75 –50 –25 0 25 50 75 100 125 10 100 1k 10k 100k 1M CAPACITIVE LOAD (pF) TEMPERATURE (°C) FREQUENCY (Hz) LT1462 • TPC13 LT1462 • TPC14 LT1462 • TPC15
Large-Signal Response, Small-Signal Response, Small-Signal Response, V V V S =
±
15V S =
±
5V,
±
15V S =
±
5V,
±
15V, CL = 1000pF
0V 0V 0V 5V/DIV 20mV/DIV 50mV/DIV A = 1 0.1ms/DIV A A = 1 50µs/DIV V V = 1 5µs/DIV V C = 10pF C = 10pF C = 1000pF L L L LT1462 • TPC16 LT1462 • TPC17 LT1462 • TPC18 6