AMC3302DWER
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Texas Instruments AMC3302DWER

Manufacturer No:
AMC3302DWER
Manufacturer:
Texas Instruments
Package:
Tape & Reel (TR)
Description:
50-MV INPUT, PRECISION REINFORCE
Delivery:
Payment:
iso14001
iso45001
iso9001
iso13485

Product Introduction

Overview

The AMC3302DWER, produced by Texas Instruments, is a high-precision, isolated amplifier designed for shunt-based current measurements. This device is optimized for applications requiring accurate current sensing in harsh environments. It features a fully integrated, isolated DC/DC converter, allowing single-supply operation from the low-side of the device, which is particularly beneficial for space-constrained applications. The AMC3302DWER is certified for reinforced capacitive isolation, ensuring safety and reliability by separating parts of the system operating at different common-mode voltage levels and protecting the low-voltage side from hazardous voltages.

Key Specifications

ParameterMinMaxUnit
Low-side Power Supply (VDD)3.03.35.5V
Differential Input Voltage Range-5050mV
Absolute Common-mode Input Voltage-21V
Operating Ambient Temperature Range-40125°C
Low-side Supply Current (IDD)27.540mA
Maximum Power Dissipation231mW
Output Bandwidth290kHz
Isolation Working Voltage1200VRMS

Key Features

  • 3.3-V or 5-V single supply with integrated DC/DC converter for isolated power.
  • ±50-mV input voltage range optimized for current measurements using shunt resistors.
  • Reinforced capacitive isolation barrier certified according to VDE V 0884-11 and UL1577, supporting up to 1.2 kVRMS working voltage.
  • Excellent DC accuracy and low temperature drift over an extended industrial temperature range (-40°C to +125°C).
  • Integrated DC/DC converter fault-detection and diagnostic output pin for simplified system-level design and diagnostics.
  • Low impedance input suitable for direct connection to low-impedance shunt resistors or other low-impedance voltage sources.

Applications

  • Motor drives: For accurate current sensing in motor control systems.
  • Power supplies: To monitor and control current in power supply units.
  • Photovoltaic inverters: For current measurement and monitoring in solar power systems.

Q & A

  1. What is the primary function of the AMC3302DWER? The AMC3302DWER is a precision, isolated amplifier optimized for shunt-based current measurements.
  2. What are the supported power supply voltages for the AMC3302DWER? The device supports 3.3-V or 5-V single supply operation.
  3. What is the isolation working voltage of the AMC3302DWER? The isolation working voltage is up to 1.2 kVRMS.
  4. What are the key certifications for the isolation barrier of the AMC3302DWER? The isolation barrier is certified according to VDE V 0884-11 and UL1577.
  5. What is the operating temperature range of the AMC3302DWER? The device operates over an ambient temperature range of -40°C to +125°C.
  6. How does the integrated DC/DC converter benefit the AMC3302DWER? The integrated DC/DC converter allows single-supply operation and simplifies system-level design and diagnostics with fault-detection and diagnostic output.
  7. What types of applications is the AMC3302DWER suitable for? It is suitable for motor drives, power supplies, and photovoltaic inverters.
  8. What is the typical output bandwidth of the AMC3302DWER? The typical output bandwidth is 290 kHz.
  9. How does the AMC3302DWER ensure safety in harsh environments? It ensures safety through reinforced capacitive isolation, protecting the low-voltage side from hazardous voltages.
  10. What is the maximum power dissipation of the AMC3302DWER? The maximum power dissipation is 231 mW at VDD = 5.5 V.

Product Attributes

Type:Isolated
Applications:Driver
Mounting Type:Surface Mount
Package / Case:16-SOIC (0.295", 7.50mm Width)
Supplier Device Package:16-SOIC
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Part Number AMC3302DWER AMC3301DWER AMC3302DWE
Manufacturer Texas Instruments Texas Instruments Texas Instruments
Product Status Active Active Active
Type Isolated Isolated Isolated
Applications Driver Driver Driver
Mounting Type Surface Mount Surface Mount Surface Mount
Package / Case 16-SOIC (0.295", 7.50mm Width) 16-SOIC (0.295", 7.50mm Width) 16-SOIC (0.295", 7.50mm Width)
Supplier Device Package 16-SOIC 16-SOIC 16-SOIC

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