AD8418WBRZ - ADI

The pictures are for reference only, and the specific specifications can be found in the product manual.

Part No

AD8418WBRZ
Manufacturer

ADI
ChipWorker Part#

CW365678
Category

Amplifier, Buffer IC
Package

SOIC-8
Description

IC OPAMP CURR SENSE 10kHz 8SOIC SP Amp Zero Drift Amplifier Single 2.75V/5.5V Automotive 8Pin SOIC N Tube
Documentation

Datasheet

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AD8418WBRZ Specifications

Attribute	Attribute Value

Part Number	AD8418WBRZ
Manufacturer	ADI
ChipWorker Part#	CW365678
Category	Amplifier, Buffer IC
Documentation	Datasheet
Mounting Style	Surface Mount
Number of Pins	8 Pin
Case/Package	SOIC-8
Supply Voltage (DC)	2.70V (min)
Output Voltage	5 V
Supply Current	2.6 mA
Number of Circuits	1 Circuit
Number of Channels	1 Channel
Number of Positions	8 Position
Common Mode Rejection Ratio	100 dB
Input Capacitance	2.00 pF
Bandwidth	250 kHz
Input Impedance	200 kΩ
Input Offset Voltage	200 µV
Input Bias Current	130 µA
Operating Temperature (Max)	125 ℃
Operating Temperature (Min)	-40 ℃
3dB Bandwidth	250 kHz
Minimum CMRR Range	90 dB
Supply Voltage (Max)	5.5 V
Supply Voltage (Min)	2.7 V
Input Voltage	70 V
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Size-Length	5 mm
Size-Width	4 mm
Size-Height	1.5 mm
Operating Temperature	-40℃ ~ 125℃
Product Lifecycle Status	Active
Packaging	Tube
RoHS	RoHS Compliant
Lead-Free Status	Contains Lead
REACH SVHC Compliance	No SVHC
Mil-Spec	Yes
REACH SVHC Compliance Edition	2015/12/17

Product Description

Product Details
The AD8418 is a high voltage, high resolution current shunt amplifier. It features an initial gain of 20 V/V, with a maximum ±0.15% gain error over the entire temperature range. The buffered output voltage directly interfaces with any typical converter. The AD8418 offers excellent input common-mode rejection from −2 V to +70 V. The AD8418 performs bidirectional current measurements across a shunt resistor in a variety of automotive and industrial applications, including motor control, battery management, and solenoid control.
The AD8418 offers breakthrough performance throughout the −40°C to +125°C temperature range. It features a zero drift core, which leads to a typical offset drift of 0.1 μV/°C throughout the operating temperature range and the common-mode voltage range. The AD8418 is fully qualified for automotive applications and includes EMI filters and patented circuitry to enable output accuracy with pulse-width modulation (PWM) type input common-mode voltages. The typical input offset voltage is ±200 μV. The AD8418 is offered in 8-lead MSOP and SOIC packages.
**Applications**
High-side current sensing in
Motor controls
Solenoid controls
Power management
Low-side current sensing
Diagnostic protection
### Features and Benefits
Typical 0.1 μV/°C offset drift
Maximum ±400 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 operating
−4 V to +85 V survival
Initial gain = 20 V/V
Wide operating temperature range:
−40°C to +125°C
Bidirectional operation
Available in 8-lead SOIC and 8-lead MSOP
Common-mode rejection ratio (CMRR): 86 dB, dc to 10 kHz
Qualified for automotive applications

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