INA284-Q1 datasheet(5/34 Pages) TI

Part #	INA284-Q1

Description	INA28x-Q1 Automotive Grade, ??4-V to 80-V, Bidirectional, High Accuracy, Low- or High-Side, Voltage Output, Current Shunt Monitor

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Manufacturer	TI [Texas Instruments]

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5 / 34 page

INA282-Q1, INA283-Q1, INA284-Q1, INA285-Q1, INA286-Q1

www.ti.com

SBOS554B – MARCH 2012 – REVISED DECEMBER 2015

6.5 Electrical Characteristics

at TA = 25°C, V+ = 5 V, V+IN = 12 V, VREF1 = VREF2 = 2.048 V referenced to GND, and VSENSE = V+IN – V–IN, unless otherwise

noted.

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

INPUT

VOS

Offset Voltage, RTI(1)

VSENSE = 0 mV

±20

±70

μV

dVOS/dT

vs Temperature

TA = –40°C to 125°C

±0.3

±1.5

μV/°C

PSRR

vs Power Supply

VS = 2.7 V to 18 V, VSENSE = 0 mV

3

μV/V

VCM

Common-Mode Input Range

TA = –40°C to 125°C

–14

+80

V

V+IN = –14 V to 80 V, VSENSE = 0 mV

CMRR

Common-Mode Rejection

120

140

dB

TA = –40°C to 125°C

IB

Input Bias Current per Pin(2)

VSENSE = 0 mV

25

μA

IOS

Input Offset Current

VSENSE = 0 mV

1

μA

Differential Input Impedance

6

k

Ω

REFERENCE INPUTS

Reference Input Gain

1

V/V

Reference Input Voltage Range(3)

0

VGND + 9

V

Divider Accuracy(4)

±0.2%

±0.5%

±25

±75

μV/V

INA282-Q1

TA = –40°C to 125°C

0.055

μV/V/°C

±13

±30

μV/V

INA283-Q1

TA = –40°C to 125°C

0.040

μV/V/°C

Reference Voltage Rejection Ratio

±6

±25

μV/V

RVRR

(VREF1 = VREF2 = 40 mV to 9 V,

INA284-Q1

TA = –40°C to 125°C

0.015

μV/V/°C

V+ = 18 V)

±4

±10

μV/V

INA285-Q1

TA = –40°C to 125°C

0.010

μV/V/°C

±17

±45

μV/V

INA286-Q1

TA = –40°C to 125°C

0.040

μV/V/°C

GAIN(5) (GND + 0.5 V

≤ VOUT ≤ (V+) – 0.5 V; VREF1 = VREF2 = (V+) / 2 for all devices)

INA282-Q1, V+ = 5 V

50

V/V

INA283-Q1, V+ = 5 V

200

V/V

G

Gain

INA284-Q1, V+ = 5 V

500

V/V

INA285-Q1, V+ = 5 V

1000

V/V

INA286-Q1, V+ = 5 V

100

V/V

INA282-Q1, INA283-Q1, INA286-Q1

±0.4%

±1.4%

Gain Error

INA284-Q1, INA285-Q1

±0.4%

±1.6%

TA = –40°C to 125°C

0.0008

0.005

%/°C

(1)

RTI = referred-to-input.

(2)

See typical characteristic graph Figure 7 .

(3)

The average of the voltage on pins REF1 and REF2 must be between VGND and the lesser of (VGND+9 V) and V+.

(4)

Reference divider accuracy specifies the match between the reference divider resistors using the configuration in Figure 36.

(5)

See typical characteristic graph Figure 12.

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