ina219 datasheet

1
2
3
4
8
7
6
5
IN+
IN–
GND
V
S
A1
A0
SDA
SCL
1
2
3
4
8
7
6
5
A1
A0
SDA
SCL
IN+
IN–
GND
V
S
INA219
www.ti.com SBOS448G –AUGUST 2008–REVISED DECEMBER 2015
5 Related Products
DEVICE DESCRIPTION
INA209 Current/power monitor with watchdog, peak-hold, and fast comparator functions
INA210, INA211, INA212, INA213, INA214 Zerø-drift, low-cost, analog current shunt monitor series in small package
6 Pin Configuration and Functions
DCN Package
D Package
8-Pin SOT-23
8-Pin SOIC
Top View
Top View
Pin Functions
PIN
I/O DESCRIPTION
NAME SOT-23 SOIC
Analog
IN+ 1 8 Positive differential shunt voltage. Connect to positive side of shunt resistor.
Input
Analog Negative differential shunt voltage. Connect to negative side of shunt resistor. Bus voltage is
IN– 2 7
Input measured from this pin to ground.
GND 3 6 Analog Ground
V
S
4 5 Analog Power supply, 3 to 5.5 V
Digital
SCL 5 4 Serial bus clock line
Input
Digital
SDA 6 3 Serial bus data line
I/O
Digital
A0 7 2 Address pin. Table 1 shows pin settings and corresponding addresses.
Input
Digital
A1 8 1 Address pin. Table 1 shows pin settings and corresponding addresses.
Input
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