LT1457 Linear Technology, LT1457 Datasheet
LT1457
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LT1457 Summary of contents
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... CAPACITIVE LOAD (nF) DESCRIPTION The LT1457 is a dual, JFET input op amp optimized for handling large capacitive loads in combination with preci- sion performance. Precision specifications include 220 V offset voltage in plastic and surface mount packages input bias current is 50pA, input offset current is 20pA. Channel separation is 130dB ...
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... ORDER PART TOP VIEW NUMBER + OUT B LT1457ACN8 A 6 –IN B LT1457CN8 B + PACKAGE = 115 C, = 130 TOP VIEW LT1457S8 8 – OUT OUT PART MARKING S8 PACKAGE 1457 = 130 C, = 190 unless otherwise noted. (Note 1) LT1457AC LT1457C/LT1457S8 ...
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... Note 1: Typical parameters are defined as the 60% yield of distributions of individual amplifiers; i.e., out of 100 LT1457s (200 op amps) typically 120 will be better than the indicated specification. Note 2: This parameter is tested on a sample basis only. ...
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... TEMPERATURE ( C) LT1457 • TPC05 0.1Hz to 10Hz Noise V = ±15V TIME (SECONDS) LT1457 • TPC08 Warm-Up Drift 150 V = ±15V 120 S8 PACKAGE PACKAGE TIME AFTER POWER ON (MINUTES) LT1457 • ...
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... C 120 100 POSITIVE SUPPLY 80 60 NEGATIVE SUPPLY 10M 10 100 1k 10k 100k FREQUENCY (Hz) LT11457• TPC17 75 100 LT1457 • TPC12 T = – – LT1457 • TPC15 10M LT1457• TPC13 5 ...
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... LF412A in the unity gain follower mode (B), and the response of the LT1457 (C). The phase reversal of photo (B) can cause lock-up in servo systems. The LT1457 does not phase-reverse due to a unique phase reversal protection circuit. LT1457 AI02 (B) LF412A Output Small-Signal Response ...
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... R and R in the kilohm range, this pole can create S F excess phase shift and even oscillation on high speed amplifiers. Because the LT1457’s phase margin is very high, this problem is minimal. However, a small capacitor ( parallel with R eliminates this problem. With R F ...
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... LT1457 NORTHEAST REGION Linear Technology Corporation One Oxford Valley 2300 E. Lincoln Hwy.,Suite 306 Langhorne, PA 19047 Phone: (215) 757-8578 FAX: (215) 757-5631 Linear Technology Corporation 266 Lowell St., Suite B-8 Wilmington, MA 01887 Phone: (508) 658-3881 FAX: (508) 658-2701 FRANCE Linear Technology S.A.R.L. Immeuble "Le Quartz" ...