AMC1351DWV

Overview

The AMC1351DWV is a precision, reinforced isolated amplifier featuring a single channel in an 8-pin SOIC package. It provides galvanic isolation with a fixed gain of 0.4 V/V and a linear input voltage range from -0.25 V to 5 V. The device supports high-side and low-side operation on 3.3 V or 5 V supplies, offering a maximum power dissipation of 96 mW. Key electrical specifications include a typical input resistance of 1.25 MΩ, a maximum offset error of ±1.5 mV, and a maximum gain error of ±0.2%. It operates within an extended industrial temperature range of -40°C to +125°C.

Feature Summary

• Provides reinforced galvanic isolation certified for safety standards including DIN VDE V 0884-11 and UL1577.
• Features a high-impedance analog input optimized for connection to resistive dividers or high-output-resistance sources.
• Delivers fail-safe output functionality triggered by undervoltage conditions on the high-side supply.

Applications

• Isolated DC voltage sensing in motor drives
• Voltage monitoring in frequency inverters
• DC voltage measurement in solar inverters
• Power supply feedback loops

Procurement Notes

Verify the specific ordering suffix against the manufacturer's current orderable addendum to confirm package type and tape-and-reel availability. Confirm that the component meets all applicable safety certifications required for your system design, such as VDE or UL recognition. Ensure the selected variant matches the required insulation voltage ratings for your application's isolation barrier.

Selection Notes

Select this component when a unipolar input range up to 5 V is required for precision voltage sensing applications. Consider the fixed 0.4 V/V gain and differential output configuration for interfacing with downstream ADCs. Evaluate the thermal performance and junction-to-ambient resistance if operating near the upper limits of the specified temperature range.

Part Context

This part belongs to the AMC135x family of precision isolated amplifiers manufactured by Texas Instruments. It shares architectural similarities with other members like the AMC1350 but differs in its specific input voltage range capabilities. The DWV suffix indicates the standard SOIC-8 package format used across this product line.

Replacement Considerations

AMC1350DWV

FAQ

What is the maximum repetitive peak isolation voltage?

The maximum repetitive peak isolation voltage (VIORM) is 2120 VPK according to DIN VDE V 0884-11.

Does the device support shutdown mode?

No, the AMC1351 does not feature a shutdown pin or mode; it operates continuously once powered.