ECG AD8232 User Manual

Figure 5: An alternative to replacing the RLD resistor; here a 680 kOhm resistor is used as
an additional resistor in series to the RLD resistor
Figure 6: additional resistor board connected to the AD8232 board
Alternative “home made” electrodes cable
Off the shelf AD8232 modules usually includes the electrodes cable that can be plugged in the
boards directly through the dedicated connector (fig. 7).

ECG AD8232 Specifications

General

Supply Current	170µA
Common-Mode Rejection Ratio	80dB
Operating Temperature Range	-40°C to +85°C
Type	Instrumentation Amplifier
Chip	AD8232
Output	Rail-to-Rail
Input Impedance	10GΩ
Gain	100
Bandwidth	0.5Hz to 40Hz
Input Bias Current	1 pA
Quiescent Current	170µA
Package	LFCSP