Datasheet AD8221 (Analog Devices) - 8

AD8221-EP Enhanced Product 0.80 180 0.75 160 GAIN = 1000 A) 0.70 140 n GAIN = 100 ( ) B NT d 0.65 VS = ±15V ( 120 R GAIN = 10 GAIN = 1000 0.60 100 CURRE V GAIN = 1 S = ±5V AS IVE PSR T 0.55 BI 80 SI UT PO 0.50 INP 60 0.45 40 0.40 20 –15 –10 –5 0 5 10 15 0.1 1 10 100 1k 10k 100k 1M
12 -009 0 2-
COMMON-MODE VOLTAGE (V)
702 13
FREQUENCY (Hz)
370 1 Figure 10. Input Bias Current (IBIAS) vs. Common-Mode Voltage (CMV) Figure 13. Positive PSRR vs. Frequency, RTI (G = 1 to 1000)
2.00 180 ) V µ 1.75 160 ( E G GAIN = 1000 1.50 140 LTA ) O B GAIN = 100 V 1.25 (d 120 R GAIN = 10 SET F F 1.00 100 GAIN = 1 O T IVE PSR T PU 0.75 A 80 N G I N NE 0.50 E I 60 G N A 0.25 H 40 C 0 20 0.01 0.1 1 10 0.1 1 10 100 1k 10k 100k 1M
13 -010 0 2-
WARM-UP TIME (min)
702 13
FREQUENCY (Hz)
370 1 Figure 11. Change in Input Offset Voltage vs. Warm-Up Time Figure 14. Negative PSRR vs. Frequency, RTI (G = 1 to 1000)
5 70 VS = ±15V GAIN = 1000 4 60 3 50 GAIN = 100 A) 2 40 (n T N 1 ) 30 E B INPUT OFFSET CURRENT d GAIN = 10 0 ( 20 IN A CURR –1 INPUT BIAS CURRENT G 10 UT GAIN = 1 INP –2 0 –3 –10 –4 –20 –5
1
–30 –55 –40 –25 –10 5 20 35 50 65 80 95 110 125
1 -0
100 1k 10k 100k 1M 10M
015
TEMPERATURE (°C)
702 02- 13
FREQUENCY (Hz)
137 Figure 12. Input Offset Current and Input Bias Current vs. Temperature Figure 15. Gain vs. Frequency Rev. 0 | Page 8 of 14 Document Outline FEATURES ENHANCED PRODUCT FEATURES APPLICATIONS TYPICAL CONNECTION DIAGRAM GENERAL DESCRIPTION TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS THERMAL CHARACTERISTICS ESD CAUTION PIN CONFIGURATION AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS OUTLINE DIMENSIONS ORDERING GUIDE