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LF398D Scheda tecnica(PDF) 5 Page - NXP Semiconductors |
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LF398D Scheda tecnica(HTML) 5 Page - NXP Semiconductors |
5 / 5 page Philips Semiconductors Linear Products Product specification LF198/LF298/LF398 Sample-and-hold amplifiers August 31, 1994 883 TYPICAL AC PERFORMANCE CHARACTERISTICS (Continued) Dynamic Sampling Error Output Droop Rate ‘Hold’ Sampling Time Phase And Gain (Input to Output, Small-Signal) Power Supply Rejection Output Noise Feedthrough Rejection Ratio (Hold Mode) 100 10 1 –10 –100 0.1 1 10 100 1000 INPUT SLEW RATE (V/ms) 330pF 1000pF 330pF ± 10 0 10 –1 10 –2 10 –3 10 –4 100pF 1000pF 0.01 µF 0.1 µF 1 µF TJ =25°C TJ =85°C HOLD CAPACITOR V+ = V– = 15V SETTLING TIME 2 1.8 1.6 1.4 1.2 1 0.8 0.6 0.4 0.2 0 –50 –25 0 25 50 75 100 125 150 JUNCTION TEMPERATURE ( °C) 160 140 120 100 80 60 40 20 0 10 100 1k 10k 100k FREQUENCY (Hz) ‘HOLD’ MODE SAMPLE MODE NEGATIVE MODE POSITIVE MODE TJ =25°C V+ = V– = 15V VOUT = 0°C 160 140 120 100 80 60 40 20 0 100 1k 10k 100k 1M Ch = 1000pF Ch ≥ 0.01µF Ch = 1000pF Ch = 0.01µF Ch ≥ 0.01µF Ch = 0 Ch = 0 5 0 –5 –10 80 70 60 50 40 30 20 10 0 1k 10k 100k 1M 10M FREQUENCY (Hz) –130 –120 –110 –100 –90 –80 –70 –60 –50 100 1k 10k 100k 1M 100 10 Ch = 0.01µF Ch = 1000pF Ch = 0.1µF V+ = V– = 15V TJ =25°C VIN = 10Vp-p V7.8 = 0 FREQUENCY (Hz) FREQUENCY (Hz) |
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