Datasheet AD8553 (Analog Devices) - 7

AD8553 V 80 CC = 5V GAIN = 100 TURN ON TIME = 10µs GAIN = 100 FILTER = 1kHz 70 FILTER = 10kHz 60 V) (µ E 50 G TA V 40 L FILTER SETTLING O /DI V V 30 VCC = 5V ET FILTER SETTLING 20µ S F 20 F V V CC = 5V CC = 1.8V O T 10 PU IN 0
8
–10 VCC = 1.8V
9 00
TURN ON TIME = 15µs
4- 00 4- 47
VCC = 1.8V
47 05
–20
05
–0.1 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 0 50 100 150 200 250 300 350 TIME (ms) TIME (µs)
Figure 8. Input Offset Voltage vs. Turn-On Time Figure 11. Input Offset Voltage vs. Turn-On Time
V V CC = 5V, G = 1, 10, 100, 1000 CC = 5V, G = 1, 10, 100, 1000 VCC = 1.8V, G = 1, 10, 100, 1000 10kHz FILTER IV 10kHz FILTER IV /D V /D m V 1 1kHz FILTER 50
10 0 1 1
1kHz FILTER
4- -0 47 05 474 05
500µs/DIV 500µs/DIV
Figure 9. Small Signal Step Response Figure 12. Large Signal Step Response
VCC = 5V VCC = 5V GAIN = 100, 1000 GAIN = 100, 1000 N N IO IO T T A L A L U U P P PO PO
7 4 -01 -01 74 74 054 054
0 2 4 6 8 10 12 14 16 18 20 0 0.01 0.02 0.03 0.04 0.05 0.06 0.07 0.08 0.09 0.10
Figure 10. Input Offset Voltage (μV) Figure 13. Input Offset Voltage Drift (μV/°C) Rev. A | Page 7 of 20 Document Outline FEATURES APPLICATIONS PIN CONFIGURATION GENERAL DESCRIPTION TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS ELECTRICAL CHARACTERISTICS ABSOLUTE MAXIMUM RATINGS THERMAL RESISTANCE ESD CAUTION TYPICAL PERFORMANCE CHARACTERISTICS THEORY OF OPERATION HIGH PSR AND CMR 1/f NOISE CORRECTION APPLICATIONS GAIN SELECTION (GAIN-SETTING RESISTORS) REFERENCE CONNECTION DISABLE FUNCTION OUTPUT FILTERING CLOCK FEEDTHROUGH LOW IMPEDANCE OUTPUT MAXIMIZING PERFORMANCE THROUGH PROPER LAYOUT POWER SUPPLY BYPASSING INPUT OVERVOLTAGE PROTECTION CAPACITIVE LOAD DRIVE CIRCUIT DIAGRAMS/CONNECTIONS OUTLINE DIMENSIONS ORDERING GUIDE