AD8418A

RECOMMENDED FOR NEW DESIGNS

Bidirectional, Zero-Drift, Current Sense Amplifier

Data Sheet (Rev. E) Product Selection Table
Part Models
12
1ku List Price
Starting From $1.17
Viewing:

Part Details

  • Typical 0.1 μV/°C offset drift
  • Maximum ±200 μV voltage offset over full temperature range
  • 2.7 V to 5.5 V power supply operating range
  • Electromagnetic interference (EMI) filters included
  • High common-mode input voltage range
    • −2 V to +70 V, continuous operation
    • −3 V to +80 V, continuous survival
  • Minimum DC common-mode rejection ratio (CMRR): 90 dB
  • Initial gain = 20 V/V
  • Wide operating temperature range
    • AD8418AWB and AD8418AB: −40°C to +125°C
    • AD8418AWH: −40°C to +150°C
  • Bidirectional operation
  • Available in 8-lead SOIC_N, 8-lead MSOP, and FMEA tolerant
    • 10-lead MSOP pinout
  • AEC-Q100 qualified for automotive applications
AD8418A
Bidirectional, Zero-Drift, Current Sense Amplifier
AD8418A Chip Image AD8418A Functional Block Diagram AD8418A Pin Configuration AD8418A Pin Configuration (Top View)
Add to myAnalog

Add product to the Products section of myAnalog (to receive notifications), to an existing project or to a new project.

Create New Project
Ask a Question

Documentation

Data Sheet 1

Application Note 1

Learn More
Add to myAnalog

Add product to the Products section of myAnalog (to receive notifications), to an existing project or to a new project.

Create New Project

Hardware Ecosystem

Parts Product Life Cycle Description
AD8410A
RECOMMENDED FOR NEW DESIGNS −2 V to 70 V Wide Input Voltage Range, 2.2 MHz High Bandwidth, Current-Sense Amplifier with PWM Rejection and Gain 20 V/V
Modal heading
Add to myAnalog

Add product to the Products section of myAnalog (to receive notifications), to an existing project or to a new project.

Create New Project

Tools & Simulations

LTspice 1

Models for the following parts are available in LTspice:

  • AD8418A

SPICE Model 1

LTspice

LTspice® is a powerful, fast and free simulation software, schematic capture and waveform viewer with enhancements and models for improving the simulation of analog circuits.

Evaluation Kits

eval board
schematic 1
schematic 2
schematic 3
EVAL-AD8418A

AD8418A Evaluation Board for Bidirectional, Zero-Drift, Current Sense Amplifier

Buy Now View Details

Product Details

The AD8418ARM-EVALZ accommodates the AD8418A in the MSOP package, while the AD8418AR-EVALZ accommodates the AD8418A in an SOIC package.

The AD8418A data sheet for this device should be consulted in conjunction with this evaluation board user guide documentation.
EVAL-AD8418A
AD8418A Evaluation Board for Bidirectional, Zero-Drift, Current Sense Amplifier
AD841ARM-EVALZANGLE-web AD841ARM-EVALZTOP-web AD841ARM-EVALZBOTTOM-web

Reference Designs

Figure 1. CN0548 Block Diagram
Figure 1. CN0548 Block Diagram
CN0548 Evaluation Board - Angle View
CN0548 Evaluation Board - Top View
CN0548 Evaluation Board - Bottom View
CN0548 Circuits from the lab

Isolated High Voltage, High Current, Measurement Module

View Detailed Reference Design

Features and Benefits

  • Wide Current (+/-10 A) and Voltage (80 V) Input Range
  • Configurable gain/attenuation settings
  • Galvanically Isolated
  • Arduino form factor compatible

Part Used

Design & Integration Tools

Videos

  • lazy blur
    VIDEO · 2022-05-13 01:02
    CN0548: Isolated High Voltage, High Current, Measurement Module
CN0548
Isolated High Voltage, High Current, Measurement Module
Figure 1. CN0548 Block Diagram
CN0548 Evaluation Board - Angle View
CN0548 Evaluation Board - Top View
CN0548 Evaluation Board - Bottom View

Latest Discussions

12 Weeks Ago
RE: Query Regarding AD8418A Current Measurement Range and Multi-Channel Board Availability
19 Weeks Ago
RE: Does the Offset of the AD8418A change when the direction of current changes?
View related discussion on EngineerZone®

Recently Viewed