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INA138

Features: `COMPLETE UNIPOLAR HIGH-SIDE CURRENT MEASUREMENT CIRCUIT`WIDE SUPPLY AND COMMON-MODERANGE`INA138: 2.7V to 36V`INA168: 2.7V to 60V`INDEPENDENT SUPPLY AND INPUT COMMON-MODE VOLTAGES`SINGLE RESISTOR GAIN SET`LOW QUIESCENT CURRENT (25A typ)`SOT23-5 PackageApplication·CURRENT SHUNT MEASUREMEN...

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SeekIC No. : 004375374 Detail

INA138: Features: `COMPLETE UNIPOLAR HIGH-SIDE CURRENT MEASUREMENT CIRCUIT`WIDE SUPPLY AND COMMON-MODERANGE`INA138: 2.7V to 36V`INA168: 2.7V to 60V`INDEPENDENT SUPPLY AND INPUT COMMON-MODE VOLTAGES`SINGLE R...

INA138 Data Sheet

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Part Number:
INA138
Supply Ability:
5000

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  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Upload time: 2024/11/24

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Product Details

Description



Features:

`COMPLETE UNIPOLAR HIGH-SIDE CURRENT MEASUREMENT CIRCUIT
`WIDE SUPPLY AND COMMON-MODE RANGE
`INA138: 2.7V to 36V
`INA168: 2.7V to 60V
`INDEPENDENT SUPPLY AND INPUT COMMON-MODE VOLTAGES
`SINGLE RESISTOR GAIN SET
`LOW QUIESCENT CURRENT (25A typ)
`SOT23-5 Package


Application

·CURRENT SHUNT MEASUREMENT Automotive, Telephone, Computers
·PORTABLE & BATTERY BACKUP SYSTEMS
·BATTERY CHARGERS
·POWER MANAGEMENT
·CELL PHONES
·PRECISION CURRENT SOURCE


Pinout

Connection Diagram


Specifications

Supply Voltage, V+
INA138 ............................................................................... 0.3V to 60V
INA168 ............................................................................... 0.3V to 60V
Analog Inputs, VIN+ , VININA138
Common Mode ................................................................... 0.3V to 40V
Differential (VIN+ ) (VIN ) ............................................... 40V to 2V
INA168
Common Mode ................................................................... 0.3V to 60V
Differential (VIN+ ) (VIN ) ............................................... 40V to 2V
Analog Output, Out ............................................................ 0.3V to 40V
Operating Temperature ..................................................55 to +125
Storage Temperature .................................................... 55 to +125
Junction Temperature ................................................................... +150
Lead Temperature (soldering, 10s) .............................................. +300

NOTE: (1) Stresses above these ratings may cause permanent damage. Exposure to absolute maximum conditions for extended periods may degrade device reliability. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those specified is not implied.




Description

The INA138 and INA168 are high-side, unipolar, current shunt monitors. Wide input common-mode voltage range, low quiescent current, and tiny SOT-23 packaging enable use in a variety of applications.

Input common-mode and power supply voltages of the INA138 are independent and can range from 2.7V to 36V for the INA138 and 2.7V to 60V for the INA168. Both models draw only 25mA quiescent current, which also permits connecting the power supply to either side of the current measurement shunt with minimal error.

The INA138 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 the INA138 and INA168 are available in SOT23-5 and are specified for the 40 to +85 industrial temperature range.




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