Datasheet AD8236 (Analog Devices) - 9

AD8236 TYPICAL PERFORMANCE CHARACTERISTICS
G = 5, +VS = 5 V, VREF = 2.5 V, RL = 100 kΩ tied to GND, TA = 25°C, unless otherwise noted.
700 GAIN = 5 600 S T 500 UNI F 400 R O BE M 300 NU 200 100
4 -02
5µV/DIV 1s/DIV
00
0
80 0 0
–40 –20 0 20 40
06 0-
CMRR (µV/V)
00 08 Figure 5. Typical Distribution of CMRR, G = 5 Figure 8. 0.1 Hz to 10 Hz RTI Voltage Noise
GAIN = 200 800 S T NI 600 U F O R BE 400 M NU 200
5 02
5µV/DIV 1s/DIV
0- 00
0
08 1
–4000 –3000 –2000 –1000 0 1000 2000 3000 4000
-060
V
00
OSI (µV)
08 Figure 6. Typical Distribution of Input Offset Voltage Figure 9. 0.1 Hz to 10 Hz RTI Voltage Noise
1k 140 120 GAIN = 200 100 GAIN = 100 ) INTERNAL ) CLIPPING /√Hz 80 V (dB (n 100 GAIN = 5 R E IS 60 GAIN = 200 PSR NO BANDWIDTH LIMITED 40 20 GAIN = 10
2 5 3 04
GAIN = 5
0 0- 0- 00 00
10
08
0
08
1 10 100 1k 10k 0.1 1 10 100 1k 10k 100k FREQUENCY (Hz) FREQUNCY (Hz)
Figure 7. Voltage Noise Spectral Density vs. Frequency Figure 10. Positive PSRR vs. Frequency, RTI, VS = ±0.9 V, ±2.5 V, VREF = 0 V Rev. 0 | Page 9 of 20 Document Outline FEATURES APPLICATIONS GENERAL DESCRIPTION CONNECTION DIAGRAM TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS MAXIMUM POWER DISSIPATION ESD CAUTION PIN CONFIGURATION AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS THEORY OF OPERATION BASIC OPERATION GAIN SELECTION LAYOUT Grounding REFERENCE TERMINAL POWER SUPPLY REGULATION AND BYPASSING INPUT BIAS CURRENT RETURN PATH INPUT PROTECTION RF INTERFERENCE COMMON-MODE INPUT VOLTAGE RANGE APPLICATIONS INFORMATION AC-COUPLED INSTRUMENTATION AMPLIFIER LOW POWER HEART RATE MONITOR OUTLINE DIMENSIONS ORDERING GUIDE