Datasheet

AD7151
Rev. 0 | Page 25 of 28
APPLICATION EXAMPLES
CIN
C
SENS
EXC
SCL
VDD
GND
AD7151
SDA
OUT
3V
BATTERY
LED
1kΩ
10kΩ0.1µF 10kΩ
0
7086-037
Figure 49. AD7151 Standalone Operation Application Diagram
CIN
C
SENS
EXC
SCL
VDD
GND
AD7151
HOST
MICROCONTROLLER
SDA
OUT
SCL
SDA
IRQ
3.3
V
1kΩ0.1µF 1kΩ
07086-038
Figure 50. AD7151 Interfaced to a Host Microcontroller
SCL
VDD
GND
AD7151
SDA
3.3V
V
SUPPLY
1kΩ1kΩ
1kΩ
0.1µF 10µF 1µF 1µF
CIN
C
SENS
EXC
68pF
39kΩ
22pF
82kΩ
47pF
10kΩ
ADP1720-3.3
OUT
Q1
R1
OUT
07086-061
Figure 51. AD7151 Standalone Operation with EMC Protection and Optional Serial Interface