INA138-Q1_15 datasheet(3/22 Pages) TI

Part #	INA138-Q1

Description	HIGH-SIDE MEASUREMENT CURRENT SHUNT MONITOR

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Manufacturer	TI [Texas Instruments]

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INA138-Q1, INA168-Q1

www.ti.com

SGLS174G – SEPTEMBER 2003 – REVISED JANUARY 2013

ELECTRICAL CHARACTERISTICS (continued)

TA = −40°C to 125°C, VS = 5 V, VIN+ = 12 V, and ROUT = 125 kΩ unless otherwise noted

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

Output

Transconductance

VSENSE = 10 mV − 150 mV

194

206

μA/V

Transconductance versus

VSENSE = 100 mV

10

nA/°C

temperature

Nonlinearity error

VSENSE = 10 mV to 150 mV

±0.01%

±0.2 %

Total output error

VSENSE = 100 mV

±0.5

±3.2

%

Output impedance

1

G

Ω

5

pF

Voltage output swing to power

(V+) − 0.8

(V+) − 1.2

V

supply, V+

Voltage output swing to common

VCM − 0.5

VCM − 1.2

V

mode, VCM

Frequency Response

Bandwidth

ROUT = 5 kΩ

800

kHz

ROUT = 125 kΩ

32

Settling time (0.1%)

5-V step

ROUT = 5 kΩ

1.8

μs

ROUT = 125 kΩ

30

Noise

Output-current noise density

TA = 25°C

9

pA/

√Hz

Total output-current noise

BW = 100 kHz

3

nA RMS

Power Supply

Operating range, V+

INA138-Q1

2.7

36

V

INA168-Q1

2.7

60

Quiescent current

VSENSE = 0, IO = 0

25

60

μA

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