INA138-Q1

AKTIV

Strommessverstärker mit variabler Verstärkung, AEC-Q100, 2,7 bis 36 V, 800 KHz

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Datenblatt

document-pdfAcrobat INA1x8-Q1 Automotive-Grade, High-Side, Current-Output, Current-Shunt Monitor datasheet (Rev. J) (Englisch) PDF | HTML

INA138-Q1

AKTIV

Jetzt bestellen

Produktdetails

Product type

Analog output

Common-mode voltage (max) (V)

36

Common-mode voltage (min) (V)

2.7

Input offset (±) (max) (µV)

1000

Input offset drift (±) (typ) (µV/°C)

1

Features

Current Output

Rating

Automotive

Voltage gain (V/V)

adjustable

CMRR (min) (dB)

100

Bandwidth (kHz)

32

Iq (max) (mA)

0.06

Number of channels

1

Comparators (#)

0

Gain error (%)

2

Gain error drift (±) (max) (ppm/°C)

150

Operating temperature range (°C)

-40 to 125

Product type

Analog output

Common-mode voltage (max) (V)

36

Common-mode voltage (min) (V)

2.7

Input offset (±) (max) (µV)

1000

Input offset drift (±) (typ) (µV/°C)

1

Features

Current Output

Rating

Automotive

Voltage gain (V/V)

adjustable

CMRR (min) (dB)

100

Bandwidth (kHz)

32

Iq (max) (mA)

0.06

Number of channels

1

Comparators (#)

0

Gain error (%)

2

Gain error drift (±) (max) (ppm/°C)

150

Operating temperature range (°C)

-40 to 125

TSSOP (PW)

8

19.2 mm² (3 mm × 6.4 mm)

Qualified for Automotive Applications
AEC-Q100 Qualified With the Following Results:
- Device Temperature Grade 1: –40°C to 125°C Ambient Operating Temperature Range
- Device HBM ESD Classification Level 2
- Device CDM ESD Classification Level C6
Complete Unipolar High-Side Current-Measurement Circuit
Wide Supply and Common-Mode Ranges:
- INA138-Q1: 2.7 V to 36 V
- INA168-Q1: 2.7 V to 60 V
Independent Supply and Input Common-Mode Voltages
Single Resistor Gain Set
Low Quiescent Current (25 µA Typical)
Wide Temperature Range: –40°C to +125°C
Packages: TSSOP-8, SOT-23-5 (INA168-Q1)

Qualified for Automotive Applications
AEC-Q100 Qualified With the Following Results:
- Device Temperature Grade 1: –40°C to 125°C Ambient Operating Temperature Range
- Device HBM ESD Classification Level 2
- Device CDM ESD Classification Level C6
Complete Unipolar High-Side Current-Measurement Circuit
Wide Supply and Common-Mode Ranges:
- INA138-Q1: 2.7 V to 36 V
- INA168-Q1: 2.7 V to 60 V
Independent Supply and Input Common-Mode Voltages
Single Resistor Gain Set
Low Quiescent Current (25 µA Typical)
Wide Temperature Range: –40°C to +125°C
Packages: TSSOP-8, SOT-23-5 (INA168-Q1)

The INA138-Q1 and INA168-Q1 (INA1x8-Q1) devices are high-side, unidirectional, current sense amplifiers. Wide input common-mode voltage range, low quiescent current, and TSSOP and SOT-23 packaging enable use in a variety of applications.

Input common-mode and power-supply voltages are independent, and range from 2.7 V to 36 V for the INA138-Q1, and 2.7 V to 60 V for the INA168-Q1. Quiescent current is only 25 µA, which permits connecting the power supply to either side of the current-measurement shunt with minimal error.

The device converts a differential input voltage to a current output. This current is converted back to a voltage with an external load resistor that sets any gain from 1 to over 100. Although designed for current shunt measurement, the circuit invites creative applications in measurement and level shifting.

Both devices are available in a TSSOP-8 package. The INA168-Q1 is also available in a SOT-23-5 package. Both devices are specified for the –40°C to +125°C temperature range.

The INA138-Q1 and INA168-Q1 (INA1x8-Q1) devices are high-side, unidirectional, current sense amplifiers. Wide input common-mode voltage range, low quiescent current, and TSSOP and SOT-23 packaging enable use in a variety of applications.

Input common-mode and power-supply voltages are independent, and range from 2.7 V to 36 V for the INA138-Q1, and 2.7 V to 60 V for the INA168-Q1. Quiescent current is only 25 µA, which permits connecting the power supply to either side of the current-measurement shunt with minimal error.

The device converts a differential input voltage to a current output. This current is converted back to a voltage with an external load resistor that sets any gain from 1 to over 100. Although designed for current shunt measurement, the circuit invites creative applications in measurement and level shifting.

Both devices are available in a TSSOP-8 package. The INA168-Q1 is also available in a SOT-23-5 package. Both devices are specified for the –40°C to +125°C temperature range.

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Technische Dokumentation

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Top-Dokumentation	Typ	Titel	Format-Optionen
*	Datenblatt	INA1x8-Q1 Automotive-Grade, High-Side, Current-Output, Current-Shunt Monitor datasheet (Rev. J)	PDF \| HTML	03.08.2018
	Anwendungshinweis	Using a PCB Copper Trace as a Current Sense Shunt Resistor (Rev. A)	PDF \| HTML	27.04.2026
	Circuit design	High-voltage, high-side floating current sensing circuit using current output, c (Rev. A)	PDF \| HTML	26.09.2024
	Anwendungshinweis	Extending the Common-Mode Voltage Range of Current-Output Current Shunt Monitors (Rev. A)	PDF \| HTML	21.03.2022

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