Datasheet AD8237 (Analog Devices) - 9

Data Sheet AD8237 TYPICAL PERFORMANCE CHARACTERISTICS
+VS = +5 V, −VS = 0 V, VREF = 2.5 V, TA = 25°C, RL = 10 kΩ to ground, unless otherwise noted.
40 16 35 14 30 12 25 10 S S T T 20 8 UNI UNI 6 15 4 10 2 5 0 0 –60 –40 –20 0 20 40 60
004
–6 –4 –2 0 2 4 6
007
OFFSET VOLTAGE (µV)
10289-
CMRR (µV/V)
10289- Figure 4. Typical Distribution of Offset Voltage Figure 7. Typical Distribution of CMRR
21 18 18 15 15 12 S S T 12 T UNI UNI 9 9 6 6 3 3 0 0 –0.6 –0.4 –0.2 0 0.2 0.4 0.6
005
–0.6 –0.4 –0.2 0 0.2 0.4 0.6
008
POSITIVE INPUT BIAS CURRENT (nA)
10289-
INPUT OFFSET CURRENT (nA)
10289- Figure 5. Typical Distribution of Input Bias Current Figure 8. Typical Distribution of Input Offset Current
24 35 21 30 18 25 15 S S T 20 T UNI 12 UNI 15 9 10 6 5 3 0 0 –60 –40 –20 0 20 40 60
006
100 105 110 115 120 125 130
009
GAIN ERROR (µV/V)
10289-
SUPPLY CURRENT (µA)
10289- Figure 6. Typical Distribution of Gain Error (G = 1) Figure 9. Typical Distribution of Supply Current Rev. 0 | Page 9 of 28 Document Outline Features Applications General Description Pin Configuration Table of Contents Revision History Specifications Absolute Maximum Ratings Thermal Resistance ESD Caution Pin Configuration and Function Descriptions Typical Performance Characteristics Theory of Operation Architecture Setting the Gain Gain Accuracy Clock Feedthrough Input Voltage Range Input Protection Filtering Radio Frequency Interference Using the Reference Pin Layout Common-Mode Rejection Ratio over Frequency Power Supplies Reference Input Bias Current Return Path Applications Information Battery Current Monitor Programmable Gain In-Amp AD8237 in an ECG Front End Outline Dimensions Ordering Guide