AD8418WBRMZ-RL
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Analog Devices Inc. AD8418WBRMZ-RL

Manufacturer No:
AD8418WBRMZ-RL
Manufacturer:
Analog Devices Inc.
Package:
Tape & Reel (TR)
Description:
IC CURRENT SENSE 1 CIRCUIT 8MSOP
Delivery:
Payment:
iso14001
iso45001
iso9001
iso13485

Product Introduction

Overview

The AD8418WBRMZ-RL is a high-voltage, high-resolution current shunt amplifier produced by Analog Devices Inc. This bidirectional, zero-drift current sense amplifier is designed to accurately amplify small differential current shunt voltages in the presence of rapidly changing common-mode voltages. It features an initial gain of 20 V/V and a maximum gain error of ±0.15% over the entire temperature range. The AD8418WBRMZ-RL is particularly suited for applications requiring high common-mode rejection and stability across a wide temperature range.

Key Specifications

Parameter Min Typ Max Unit
Gain - 20 - V/V
Gain Error Over Temperature - - ±0.15% %
Voltage Offset, Referred to the Input (RTI) - ±200 µV ±400 µV µV
Offset Drift -1 0.1 1 µV/°C
Input Bias Current - - 130 µA µA
Common-Mode Input Voltage Range -2 - 70 V
Common-Mode Rejection Ratio (CMRR) 90 100 - dB (dc to 10 kHz: 86 dB)
Output Voltage Range 0.015 VS - 0.020 V - - V
Output Resistance - - 2 Ω
Small Signal -3 dB Bandwidth - 250 kHz - kHz
Slew Rate - 1 V/µs - V/µs
Power Supply Operating Range 2.7 - 5.5 V
Operating Temperature Range -40 - 125 °C

Key Features

  • Bidirectional operation with an initial gain of 20 V/V and a maximum gain error of ±0.15% over the entire temperature range.
  • Zero drift architecture with a typical offset drift of 0.1 µV/°C.
  • High common-mode input voltage range from -2 V to +70 V (operating) and -4 V to +85 V (survival).
  • High common-mode rejection ratio (CMRR) of 86 dB from dc to 10 kHz.
  • Electromagnetic interference (EMI) filters included.
  • Wide operating temperature range from -40°C to +125°C.
  • Available in 8-lead SOIC and 8-lead MSOP packages.
  • Qualified for automotive applications with controlled manufacturing to support quality and reliability requirements.

Applications

  • High-side current sensing in motor controls and power management systems.
  • Solenoid controls and diagnostic protection.
  • Low-side current sensing in various industrial and automotive applications.
  • Battery management systems.

Q & A

  1. What is the primary function of the AD8418WBRMZ-RL?

    The AD8418WBRMZ-RL is a bidirectional, zero-drift current sense amplifier designed to accurately amplify small differential current shunt voltages.

  2. What is the gain of the AD8418WBRMZ-RL?

    The initial gain of the AD8418WBRMZ-RL is 20 V/V.

  3. What is the typical offset drift of the AD8418WBRMZ-RL?

    The typical offset drift is 0.1 µV/°C.

  4. What is the common-mode input voltage range of the AD8418WBRMZ-RL?

    The common-mode input voltage range is from -2 V to +70 V (operating) and -4 V to +85 V (survival).

  5. What is the common-mode rejection ratio (CMRR) of the AD8418WBRMZ-RL?

    The CMRR is 86 dB from dc to 10 kHz.

  6. What are the available packages for the AD8418WBRMZ-RL?

    The AD8418WBRMZ-RL is available in 8-lead SOIC and 8-lead MSOP packages.

  7. Is the AD8418WBRMZ-RL qualified for automotive applications?

    Yes, the AD8418WBRMZ-RL is qualified for automotive applications with controlled manufacturing to support quality and reliability requirements.

  8. What is the operating temperature range of the AD8418WBRMZ-RL?

    The operating temperature range is from -40°C to +125°C.

  9. Does the AD8418WBRMZ-RL include EMI filters?

    Yes, the AD8418WBRMZ-RL includes EMI filters.

  10. What is the slew rate of the AD8418WBRMZ-RL?

    The slew rate is 1 V/µs.

  11. What is the power supply operating range of the AD8418WBRMZ-RL?

    The power supply operating range is from 2.7 V to 5.5 V.

Product Attributes

Amplifier Type:Current Sense
Number of Circuits:1
Output Type:- 
Slew Rate:1V/µs
Gain Bandwidth Product:- 
-3db Bandwidth:250 kHz
Current - Input Bias:- 
Voltage - Input Offset:200 µV
Current - Supply:2.6mA
Current - Output / Channel:- 
Voltage - Supply Span (Min):2.7 V
Voltage - Supply Span (Max):5.5 V
Operating Temperature:-40°C ~ 125°C
Mounting Type:Surface Mount
Package / Case:8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
Supplier Device Package:8-MSOP
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AD8418WBRZ-RL
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Similar Products

Part Number AD8418WBRMZ-RL AD8418WBRZ-RL AD8417WBRMZ-RL AD8418ABRMZ-RL AD8418AWBRMZ-RL AD8418BRMZ-RL
Manufacturer Analog Devices Inc. Analog Devices Inc. Analog Devices Inc. Analog Devices Inc. Analog Devices Inc. Analog Devices Inc.
Product Status Active Active Active Active Active Active
Amplifier Type Current Sense Current Sense Current Sense Current Sense Current Sense Current Sense
Number of Circuits 1 1 1 1 1 1
Output Type - - - - - -
Slew Rate 1V/µs 1V/µs 1V/µs 1V/µs 1V/µs 1V/µs
Gain Bandwidth Product - - - - - -
-3db Bandwidth 250 kHz 250 kHz 250 kHz 250 kHz 250 kHz 250 kHz
Current - Input Bias - - 130 µA 130 µA 130 µA 130 µA
Voltage - Input Offset 200 µV 200 µV 200 µV - - 200 µV
Current - Supply 2.6mA 2.6mA 4.1mA 4.1mA 4.1mA 2.6mA
Current - Output / Channel - - - - - -
Voltage - Supply Span (Min) 2.7 V 2.7 V 2.7 V 2.7 V 2.7 V 2.7 V
Voltage - Supply Span (Max) 5.5 V 5.5 V 5.5 V 5.5 V 5.5 V 5.5 V
Operating Temperature -40°C ~ 125°C -40°C ~ 125°C -40°C ~ 125°C -40°C ~ 125°C -40°C ~ 125°C -40°C ~ 125°C
Mounting Type Surface Mount Surface Mount Surface Mount Surface Mount Surface Mount Surface Mount
Package / Case 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) 8-SOIC (0.154", 3.90mm Width) 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) 8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
Supplier Device Package 8-MSOP 8-SOIC 8-MSOP 8-MSOP 8-MSOP 8-MSOP

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