Datasheet

AD7156
Rev. 0 | Page 26 of 28
APPLICATION EXAMPLES
CIN1
C
SENS1
C
SENS2
EXC1
CIN2
EXC2
SCL
VDD
GND
AD7156
SDA
OUT1
OUT2
3V
BATTERY
LED1 LED2
1k 1k
1k0.1µF 1k
07726-059
Figure 49. AD7156 Standalone Operation Application Diagram
CIN1
C
SENS1
C
SENS2
EXC1
CIN2
EXC2
SCL
VDD
GND
AD7156
HOST
MICROCONTROLLER
SDA
OUT1
OUT2
SCL
SDA
IRQ1
IRQ2
3.3
V
1k0.1µF 1k
07726-060
Figure 50. AD7156 Interfaced to a Host Microcontroller
SCL
VDD
GND
AD7156
SDA
3.3V
V
SUPPLY
1k1k
1k
0.1µF 10µF 1µF 1µF
CIN1
C
SENS1
C
SENS2
EXC1
CIN2
EXC2
68pF
39k
22pF
82k
47pF
10k
68pF
39k
22pF
82k
47pF
10k
ADP1720-3.3
OUT1
Q1
R1
OUT1
OUT2
Q2
OUT2
R2
0
7726-061
Figure 51. AD7156 Standalone Operation with EMC Protection