Datasheet AD8222 (Analog Devices) - 10

AD8222 Data Sheet 70 20 GAIN = 1000 60 15 50 GAIN = 100 40 10 30 ) 5 ) B GAIN = 10 /V EXAMPLE PART 1 d 20 V ( µ 0 IN 10 R ( GA GAIN = 1 CM 0 ∆ –5 EXAMPLE PART 2 –10 –10 –20 –15 –30 –40 –20
5 8
100 1k 10k 100k 1M 10M
01
–40 –20 0 20 40 60 80 100 120
01 7- 7-
FREQUENCY (Hz)
94
TEMPERATURE (°C)
94 05 05 Figure 16. Gain vs. Frequency Figure 19. ΔCMR vs. Temperature, G = 1
160 +V GAIN = 1000 S–0 150 –0.4 GAIN = 100 FROM +V 140 S S E –0.8 G 130 ) AT –1.2 GAIN = 10 (V L 120 T –1.6 BANDWIDTH IMI LIMITED Y VO B) 110 L –2.0 d E ( GAIN = 1 G 100 A PPL RR T L SU 90 CM O +2.0 FROM –VS VO T 80 T D +1.6 E PU R 70 IN +1.2 ER 60 EF +0.8 R 50 +0.4 40 –V
6
S+0
9
0.1 1 10 100 1k 10k 100k 1M
01
2 6 10 14 18
01 7- 7-
FREQUENCY (Hz)
94
SUPPLY VOLTAGE (V)
94 05 05 Figure 17. CMRR vs. Frequency, RTI Figure 20. Input Voltage Limit vs. Supply Voltage, G = 1
160 +VS–0 GAIN = 1000 150 –0.4 140 S R ) E L = 10kΩ G –0.8 130 A GAIN = 100 G (V TL –1.2 120 IN W RL = 2kΩ S Y VO –1.6 B) 110 d GAIN = 10 E ( G PPL 100 A RR LT SU 90 BANDWIDTH O CM O LIMITED V +1.6 T T R 80 D U L = 2kΩ E +1.2 TP R 70 ER GAIN = 1 OU +0.8 60 EF R RL = 10kΩ +0.4 50 40 –V
7
S+0
0
0.1 1 10 100 1k 10k 100k 1M
01
2 6 10 14 18
02 7- 7-
FREQUENCY (Hz)
94
SUPPLY VOLTAGE (V)
94 05 05 Figure 18. CMRR vs. Frequency, RTI, 1 kΩ Source Imbalance Figure 21. Output Voltage Swing vs. Supply Voltage, G = 1 Rev. B | Page 10 of 24 Document Outline FEATURES APPLICATIONS GENERAL DESCRIPTION FUNCTIONAL BLOCK DIAGRAM TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS THERMAL RESISTANCE Maximum Power Dissipation ESD CAUTION PIN CONFIGURATIONS AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS THEORY OF OPERATION AMPLIFIER ARCHITECTURE GAIN SELECTION REFERENCE TERMINAL PACKAGE CONSIDERATIONS Package Without Thermal Pad Package with Thermal Pad LAYOUT Common-Mode Rejection Over Frequency Reference Power Supplies INPUT BIAS CURRENT RETURN PATH INPUT PROTECTION Input Voltages Beyond the Rails Differential Input Voltages at High Gains RF INTERFERENCE COMMON-MODE INPUT VOLTAGE RANGE APPLICATIONS INFORMATION DIFFERENTIAL OUTPUT Setting the Common-Mode Voltage 2-Channel Differential Output Using a Dual Op Amp DRIVING A DIFFERENTIAL INPUT ADC RFI and Antialiasing Filter Second Antialiasing Filter Reference PRECISION STRAIN GAGE DRIVING CABLING OUTLINE DIMENSIONS ORDERING GUIDE