Datasheet AD8229 (Analog Devices) - 10

AD8229 Data Sheet 0 70 GAIN = 1000 VS = ±15V –5 60 –10 50 A) n GAIN = 100 ( –15 40 –12.28V NT –20 30 B) d GAIN = 10 –25 CURRE 20 N ( AI AS 12.60V –30 G 10 BI UT GAIN = 1 –35 0 INP –40 –10 –45 –20 –50 –30 –14 –12 –10 –8 –6 –4 –2 0 2 4 6 8 10 12 14
068
100 1k 10k 100k 1M 10M 100M
017
COMMON-MODE VOLTAGE (V)
09412-
FREQUENCY (Hz)
09412- Figure 17. Input Bias Current vs. Common-Mode Voltage Figure 20. Gain vs. Frequency
160 160 GAIN = 1000 GAIN = 1000 GAIN = 100 GAIN = 100 140 GAIN = 10 140 GAIN = 10 GAIN = 1 GAIN = 1 ) 120 120 B (d R 100 100 BANDWIDTH B) d LIMITED 80 80 IVE PSR T RR ( SI CM 60 60 PO 40 40 20 20 0
9
0 1 10 100 1k 10k 100k 1M
-06
1 10 100 1k 10k 100k 1M
018
FREQUENCY (Hz)
09412
FREQUENCY (Hz)
09412- Figure 18. Positive PSRR vs. Frequency Figure 21. CMRR vs. Frequency
160 160 GAIN = 1000 GAIN = 100 140 GAIN = 10 140 GAIN = 1 120 B) 120 d R ( 100 100 PSR B) d GAIN = 1000 BANDWIDTH 80 IVE 80 GAIN = 100 LIMITED T RR ( A GAIN = 10 CM GAIN = 1 EG 60 60 N 40 40 20 20 0
0
0 1 10 100 1k 10k 100k 1M
-07
1 10 100 1k 10k 100k 1M
019
FREQUENCY (Hz)
09412
FREQUENCY (Hz)
09412- Figure 19. Negative PSRR vs. Frequency Figure 22. CMRR vs. Frequency, 1 kΩ Source Imbalance Rev. B | Page 10 of 24 Document Outline Features Applications Functional Block Diagram General Description Revision History Specifications Absolute Maximum Ratings Predicted Lifetime vs. Operating Temperature Thermal Resistance ESD Caution Pin Configuration and Function Descriptions Typical Performance Characteristics Theory of Operation Architecture Gain Selection RG Power Dissipation Reference Terminal Input Voltage Range Layout Common-Mode Rejection Ratio over Frequency Power Supplies Reference Pin Input Bias Current Return Path Input Protection Input Voltages Beyond the Rails Large Differential Input Voltage at High Gain IMAX Radio Frequency Interference (RFI) Calculating the Noise of the Input Stage Source Resistance Noise Voltage Noise of the Instrumentation Amplifier Current Noise of the Instrumentation Amplifier Total Noise Density Calculation Outline Dimensions Ordering Guide