DS2746 Low-Cost 2-Wire Battery Monitor

2 of 15

ABSOLUTE MAXIMUM RATINGS

Voltage Range on Any Pin Relative to Ground

-0.3V to +6V

Operating Temperature Range

-40°C to +85°C

Storage Temperature Range

-55°C to +125°C

Soldering Temperature

See IPC/JEDECJ-STD-020A

Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only,

and functional operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is

not implied. Exposure to the absolute maximum rating conditions for extended periods may affect device reliability.

RECOMMENDED DC OPERATING CONDITIONS

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

Supply Voltage

(Note 1)

+2.5

+5.5

V

Data I/O Pins

SCL, SDA

(Note 1)

-0.3

+5.5

V

Programmable I/O Pin

PIO

(Note 1)

-0.3

+5.5

V

AIN1

(Note 1)

-0.3

V

DC ELECTRICAL CHARACTERISTICS

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

70

100

Active Current

105

μA

SCL, SDA = Vss

0.5

1.0

Sleep-Mode Current

SCL, SDA = Vss

1

3

μA

Current Resolution

6.25

μV

Current Full-Scale Magnitude

(Note 1)

±51.2

mV

Current Offset

(Note 2)

- 12.5

+ 12.5

μV

Current Gain Error

(Note 11)

- 1.5

+1.5

% of

reading

- 1

+ 1

- 2

+ 2

%

Timebase Accuracy

- 3

+ 3

- 10

+ 10

Voltage Error

- 20

+ 20

mV

Input Resistance

15

MΩ

AIN0, AIN1 Error

2.5V

- 8

+ 8

LSB

AIN0, AIN1 Error

4.1V

(Note 10)

- 8

+ 8

LSB

AIN0, AIN1 Error

4.2V

(Note 10)

- 8

+ 8

LSB

V

13.3

14.2

ms