INA139NA/3K High-Side Current Shunt Monitor Features High Accuracy Wide 2.7-36V Supply Low 90µV Offset +85°C Rating Fixed 3k Gain SC70 Package Bidirectional Operation and Excellent DC Performance

INA139NA/3K High-Side Current Shunt Monitor Features High Accuracy Wide 2.7-36V Supply Low 90µV Offset +85°C Rating Fixed 3k Gain SC70 Package Bidirectional Operation and Excellent DC Performance

Features

• Complete Unipolar High-Side Current Measurement Circuit

• WideSupply and Common-Mode Range

• INA139: 2.7 V to 40 V

• INA169: 2.7 V to 60 V

• Independent Supply and Input Common-Mode Voltages

• Single Resistor Gain Set

• LowQuiescent Current: 60 µA (Typical)

• 5-Pin, SOT-23 Packages

Applications

• Current Shunt Measurement:

  – Automotive, Telephone, Computers

• Portable and Battery-Backup Systems

• Battery Chargers

• Power Management

• Cell Phones

• Precision Current Source

Description

The INA139 and INA169 are high-side, unipolar, current shunt monitors. Wide input common-mode voltage range, high-speed, low quiescent current, and tiny SOT-23 packaging enable use in a variety of applications.

Input common-mode and power-supply voltages are independent and can range from 2.7 V to 40 V for the INA139 and 2.7 V to 60 V for the INA169. Quiescent current is only 60 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 the INA139 and INA169 are available in 5-pin SOT-23 packages. The INA139 device is specified for the–40°C to +125°C temperature range, and the INA169 is specified from–40°C to +85°C.

INFORMATION

Drawing

Our advantage :phones, PDA's, notebook comput.ers

• High quality products --- our offers are 100% new and original, ROHS
• Competitive price --- good Purchase channels with good price.
• Professional service --- strict quality testing before the shipment, and perfect after-sales service after the purchase.
• Adequate inventory --- With the support of our strong Purchasing team,
• Fast delivery --- we will ship the goods within 1-3 working days after the payment confirmed.

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