DS2745 查看數據表（PDF） - Maxim Integrated

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DS2745

Low-Cost I2C Battery Monitor

Maxim Integrated 

DS2745 Low-Cost I2C Battery Monitor

ABSOLUTE MAXIMUM RATINGS*

Voltage on All Pins Relative to VSS

Operating Temperature Range

Storage Temperature Range

Soldering Temperature

-0.3V to +6V

-40°C to +85°C

-55°C to +125°C

See IPC/JEDECJ-STD-020A

* This is a stress rating only and functional operation of the device at these or any other conditions above those indicated in the operation

sections of this specification is not implied. Exposure to absolute maximum rating conditions for extended periods of time may affect reliability.

RECOMMENDED DC OPERATING CONDITIONS

(2.5V  VDD  4.5V; TA = 0C to +70C.)

PARAMETER SYMBOL

CONDITIONS

Supply Voltage

Serial Data I/O Pin

VDD

SDA

(Note 1)

(Note 1)

Serial Clock Pin

SCL

(Note 1)

Programmable I/O Pin

PIO

(Note 1)

VIN Pin

VIN

(Note 1)

MIN

+2.5

-0.3

-0.3

-0.3

-0.3

TYP

MAX

+4.5

+5.5

+5.5

+5.5

VDD +0.3

UNITS

V

V

V

V

V

DC ELECTRICAL CHARACTERISTICS

(2.5V  VDD  4.5V; TA = 0C to +70C, unless otherwise noted.)

PARAMETER

SYMBOL

CONDITIONS

MIN

Active Current

Sleep-Mode Current

Current Resolution

Current Full-Scale

Magnitude

Current Offset

Current Gain Error

Accumulated Current

Resolution

Accumulated Current

Offset

Voltage Resolution

Voltage Full-Scale

Voltage Error

Temperature Resolution

Temperature Error

Current Sample Clock

Frequency

Timebase Accuracy

IACTIVE

ISLEEP

ILSB

IFS

IOERR

IGERR

qCA

qOERR

VLSB

VFS

VGERR

TLSB

TERR

fSAMP

tERR

VDD = 4.5V

SCL = SDA = VSS,

PIO = VSS

(Note 1)

(Note 2)

VSNS = VSS, (Notes 4, 5)

(Note 12)

VDD = 3.8V, TA = +25°C

-7.82

-1.0

-188

0

-25

-3

2 of 15

TYP

70

1

1.56

51.2

6.25

4.88

0.125

18.6

MAX

100

105

UNITS

A

3

A

+12.5

+1.0

+0

4.992

+25

+3

±1

V/R

mV/R

V/R

% of

reading

Vh/R

µVh/R

per day

mV

V

mV

°C

ºC

kHz

%

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