INA219AIDCNT datasheet(4/35 Pages) TI

Part #	INA219AIDCNT

Description	Zer첩-Drift, Bi-Directional CURRENT/POWER MONITOR with I2C??Interface

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Manufacturer	TI [Texas Instruments]

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INA219

SBOS448B – AUGUST 2008 – REVISED NOVEMBER 2008 ............................................................................................................................................ www.ti.com

ELECTRICAL CHARACTERISTICS: VS = +3.3V (continued)

Boldface limits apply over the specified temperature range, TA = –25°C to +85°C.

At TA = +25°C, VIN+ = 12V, VSENSE = (VIN+ – VIN–) = 32mV, PGA = ÷ 1, and BRNG = 1, unless otherwise noted.

INA219

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

SMBus

SMBus Timeout(5)

28

35

ms

DIGITAL INPUTS

(SDA as Input, SCL, A0, A1)

Input Capacitance

3

pF

Leakage Input Current

0

≤ VIN ≤ VS

0.1

1

µA

Input Logic Levels:

VIH

0.7 (VS)

6

V

VIL

–0.3

0.3 (VS)

V

Hysteresis

500

mV

OPEN-DRAIN DIGITAL OUTPUTS (SDA)

Logic '0' Output Level

ISINK = 3mA

0.15

0.4

V

High-Level Output Leakage Current

VOUT = VS

0.1

1

µA

POWER SUPPLY

Operating Supply Range

+3

+5.5

V

Quiescent Current

0.7

1

mA

Quiescent Current, Power-Down Mode

6

15

µA

Power-On Reset Threshold

2

V

TEMPERATURE RANGE

Specified Temperature Range

–25

+85

°C

Operating Temperature Range

–40

+125

°C

Thermal Resistance(6)

θ

JA

SOT23-8

142

°C/W

SO-8

120

°C/W

(5)

SMBus timeout in the INA219 resets the interface any time SCL or SDA is low for over 28ms.

(6)

θ

JA value is based on JEDEC low-K board.

4

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