AD8418AWBRMZ - ADI

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

Part No

AD8418AWBRMZ
Manufacturer

ADI
ChipWorker Part#

CW808823
Category

Amplifier, Buffer IC
Package

MSOP-8
Description

ANALOG DEVICES AD8418AWBRMZ Current Sense Amplifier, Bidirectional, 1 Amplifier, 130μA, MSOP, 8Pins, -40℃, 125℃
Documentation

Datasheet

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AD8418AWBRMZ Specifications

Attribute	Attribute Value

Part Number	AD8418AWBRMZ
Manufacturer	ADI
ChipWorker Part#	CW808823
Category	Amplifier, Buffer IC
Documentation	Datasheet
Mounting Style	Surface Mount
Number of Pins	8 Pin
Case/Package	MSOP-8
Supply Voltage (DC)	2.70V (min)
Supply Current	4.1 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
Gain Bandwidth Product	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
Accuracy	0.5 %
Minimum CMRR Range	90 dB
Supply Voltage	2.7V ~ 5.5V
Supply Voltage (Max)	5.5 V
Supply Voltage (Min)	2.7 V
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Size-Length	3.2 mm
Size-Width	3.2 mm
Size-Height	0.95 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 AD8418A 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 AD8418A offers excellent input common-mode rejection from −2 V to +70 V. The AD8418A performs bidirectional current measurements across a shunt resistor in a variety of automotive and industrial applications, including motor control, power management, and solenoid control.
The AD8418A offers breakthrough performance throughout the −40°C to +150°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 AD8418A is qualified for automotive applications. The device 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 ±100 μV. The AD8418A 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 ±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
−4 V to +85 V survival
Minimum DC common-mode rejection ratio (CMRR): 90 dB
Initial gain = 20 V/V
Wide operating temperature range:
AD8418AWB: −40°C to +125°C
AD8418AWH: −40°C to +150°C
Bidirectional operation
Available in 8-lead SOIC and 8-lead MSOP
Qualified for automotive applications

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