INA143UA The Texas Instruments INA143UA is a precision difference amplifier offering a gain of 10 or 0.1. It operates with a supply voltage range of 4.5V to 36V.
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INA143UA

Available from 2 distributors
Mfr Name: Texas Instruments
Texas Instruments
The Texas Instruments INA143UA is a precision difference amplifier offering a gain of 10 or 0.1. It operates with a supply voltage range of 4.5V to 36V.
✓ Total Stock: 3,548 pcs
$ Price Range: $1.66

INA143UA Available from 2 distributors

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✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Non-Authorised Inventory information
3,539 pcs
3539 pcs On Request 1 On Request On Request On Request On Request On Request
Non-Authorised Inventory information
9 pcs
9 pcs On Request 1 On Request On Request On Request On Request On Request

INA143UA Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Halogen Free
SVHC Present

INA143UA Description

Short technical summary and product information.

The Texas Instruments INA143UA is a high-speed, precision difference amplifier designed for versatile applications. It features a single channel and supports a wide supply voltage range from 4.5V to 36V.

 

Key electrical specifications include a high Common-Mode Rejection Ratio (CMRR) of 80 dB, a low input offset voltage of ±250 µV, and a typical quiescent current of 0.95 mA. The amplifier offers selectable voltage gains of 0.1 or 10, with a typical small-signal bandwidth of 150 kHz. Its slew rate is typically 4.5 V/µs.

 

The operating temperature range for the INA143UA is -40°C to 85°C. It is housed in an 8-pin SOIC package with dimensions of 4.9 mm x 6 mm, providing a package area of 29.4 mm².

 

This difference amplifier is suitable for various signal conditioning and measurement tasks where precise differential voltage amplification is required.

INA143UA Quick Information

Product Type: Difference Amplifier
Series: INA143
Canonical Name: Texas Instruments INA143UA Precision Difference Amplifier
Subcategory: Difference Amplifier

INA143UA Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected
Lead Free: Yes

INA143UA Estimated Pricing

Qty Low High
1+ $1.66 $1.66

Estimated market price range - modelled values for guidance only, not live distributor offers.

INA143UA Features

  • High speed, precision difference amplifier.
  • Selectable voltage gain of 0.1 or 10.
  • Wide supply voltage from 4.5V to 36V.
  • Low input offset voltage of 250 µV.
  • Operates from -40°C to 85°C.

INA143UA Applications

  • Differential signal amplification in industrial systems.
  • Precision measurement and sensor interfaces.
  • Current sensing in motor control circuits.
  • Bridge amplifier for strain gauge applications.

INA143UA FAQs

5 frequently asked questions generated from this part’s specifications.
What is the supply voltage range for the INA143UA?

The INA143UA operates with a supply voltage range from 4.5V to 36V.

What are the available voltage gains for the INA143UA?

The INA143UA offers voltage gains of 0.1 V/V and 10 V/V.

What is the input offset voltage of the INA143UA?

The maximum input offset voltage for the INA143UA is 250 µV.

What is the operating temperature range of the INA143UA?

The INA143UA can operate in a temperature range of -40°C to 85°C.

What package type is the INA143UA available in?

The INA143UA is available in an 8-pin SOIC (D) package.

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