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INA181A2

The Texas Instruments AMC1300 is a precision current sensing reinforced isolated amplifier designed for accurate measurements. It offers a ±250-mV input voltage range and high isolation ratings.

✓ Total Stock: 90,400 pcs

$ Price Range: $1.14

INA181A2 Available from 1 distributor

✓ Authorised

✓ Non-Authorised

Distributor		Stock	Pricing	MOQ	PKG	Lead Time	Date Code	On Order Quantity	On Order Delivery
Romaks Technologies ✓ Non-Authorised Inventory information	90,400 pcs On Request	90400 pcs	On Request	1	On Request	On Request	On Request	On Request	On Request

INA181A2 Specifications Quick View

Most important parameters for selection – full specs in datasheet.

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Category	New Products
Manufacturer Name	Texas Instruments
Gain	8.2
High Side Voltage	3.3 V
Input Voltage	0.25 V
Operating Temperature Range	-55 to 125 °C
SVHC Present	Not Present
Storage Temperature	-65°C ~ 150°C

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INA181A2 Description

Short technical summary and product information.

The Texas Instruments AMC1300 is a precision, reinforced isolated amplifier specifically designed for current sensing applications. It features a ±250-mV input voltage range, making it ideal for use with shunt resistors.

The device provides robust isolation with a withstand voltage of 5000 Vrms and transient isolation voltage of 7000 Vpk, ensuring safety in high-voltage environments. It boasts low DC errors, including a maximum offset error of ±2 mV and a maximum offset drift of ±4 µV/°C for the AMC1300 variant.

With a fixed gain of 8.2 and high Common Mode Transient Immunity (CMTI) of 75 kV/µs, the AMC1300 ensures signal integrity. It operates over a wide temperature range of -55°C to 125°C and is available in a SOIC package.

This amplifier meets CISPR-11 and CISPR-25 standards for low EMI and includes system-level diagnostic features, making it suitable for demanding industrial and automotive applications.

INA181A2 Quick Information

Product Type: Current Sensing Amplifier

Series: INA181

Canonical Name: Precision Current Sensing Reinforced Isolated Amplifier

Subcategory: Current Sensing

INA181A2 Compliance

RoHS Status: RoHS Compliant

Moisture Sensitivity Level (MSL): 1 Unlimited

REACH Status: REACH Unaffected

INA181A2 Estimated Pricing

Qty	Low	High
1+	$1.14	$1.14

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

INA181A2 Features

Precision current sensing isolated amplifier.
±250-mV input voltage range.
5000 Vrms withstand isolation voltage.
SOIC package for integration.
Wide operating temperature range.

INA181A2 Applications

Ideal for shunt resistor current measurement.
Used in reinforced isolation systems.
Suitable for high-voltage applications.
Enables accurate current monitoring.

INA181A2 FAQs

7 frequently asked questions generated from this part’s specifications.

What is the maximum input voltage for the INA181A2?

The maximum peak-to-peak input voltage range for the INA181A2 is 0.25 V.

What is the isolation voltage rating of the INA181A2?

The INA181A2 has a withstand isolation voltage of 5000 Vrms, a working isolation voltage of 1500 Vrms, and a transient isolation voltage of 7000 Vpk.

What is the minimum CMTI for the INA181A2?

The minimum Common-Mode Transient Immunity (CMTI) for the INA181A2 is 15 kV/µs.

What is the operating temperature range of the INA181A2?

The operating temperature range for the INA181A2 is -55 to 125 °C.

What is the fixed gain of the INA181A2?

The INA181A2 has a fixed gain of 8.2.

What is the maximum offset error for the AMC1300B variant of this device?

The maximum offset error for the AMC1300B variant is 0.2 mV.

What is the package type and dimensions of the INA181A2?

The INA181A2 is available in an SOIC (DWV) package with dimensions of 5.85 mm × 11.5 mm.