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AD8418AWHRZ

Name: AD8418AWHRZ
Rating: 4.7 (12 reviews)

IC CURRENT SENSE 1 CIRCUIT 8SOIC

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Mfr。パート #AD8418AWHRZ
パッケージ 8-SOIC (0.154, 3.90mm Width)
データシート
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仕様

Supplier	Analog Devices Inc.
Package	Tube
Series	Automotive
ProductStatus	Active
AmplifierType	Current Sense
NumberofCircuits	1
SlewRate	1V/µs
-3dbBandwidth	250 kHz
Current-InputBias	130 µA
Current-Supply	4.1mA
Voltage-SupplySpan(Min)	2.7 V
Voltage-SupplySpan(Max)	5.5 V
OperatingTemperature	-40°C ~ 150°C
MountingType	Surface Mount
Package/Case	8-SOIC (0.154, 3.90mm Width)

概要

Description

AD8418AWHRZ is Analog Devices’ precision instrumentation amplifier (IA). It’s designed to amplify small differential signals in the presence of large common‑mode voltages, integrating the gain‑setting network and using an external RG to set gain. This makes it well suited for sensor conditioning (bridge sensors, thermocouples, load cells), current sensing, and other precision measurement front ends in industrial, medical, and automotive environments. The AWHRZ suffix denotes a specific package/version (typically 8‑lead LFCSP, RoHS‑compliant).
Key points:
- Wide operating range with low offset, drift, and good CMRR
- External RG sets gain
- Suitable for precision signal conditioning and data acquisition front ends
- Robust performance across temperature and supply variations
For exact specifications (gain range, bandwidth, input/output ranges, noise, and pinout), consult the AD8418A data sheet and product page.

Features

AD8418AWHRZ features:
- Precision instrumentation amplifier for DC/AC signal conditioning
- High common-mode rejection ratio (CMRR) and good PSRR
- Very low input-referred offset and low input bias currents
- Wide gain range with stable performance over temperature
- Wide bandwidth and fast settling for current-sense and transducer applications
- Wide supply range with single-supply operation and generous output swing
- Low noise and low distortion
- Robust input protection/ fault tolerance
- 8-lead RoHS-compliant package (AWHRZ)
Note: For exact electrical specifications (gain options, bandwidth, input/output ranges, power supply limits), please consult the AD8418A datasheet.

Package

8‑pin surface‑mount package, specifically an 8‑lead SOIC (RoHS, tape‑and‑reel variant).

Pinout

- Pin count: 8 pins (8‑pin package, e.g., MSOP/SOIC variant in the HRZ family).
- Function: Current-sense amplifier. It amplifies the voltage across a shunt resistor to provide a scalable output for monitoring current (high-side current sense capability with a differential input and single-ended or differential output depending on configuration).

Manufacturer

Analog Devices, Inc. (ADI) is the manufacturer. It is a global American semiconductor company that designs and manufactures analog, mixed-signal, and sensor integrated circuits.

Application

AD8418AWHRZ is a high-precision instrumentation/current-sense amplifier. Typical applications:
- Automotive current sensing (shunt-based) and battery-management systems
- Motor control and inverter front-ends
- Power-supply monitoring (DC-DC converters, PFC stages)
- Energy meters and other power-electronics front ends
- Industrial sensor interfaces and data-acquisition systems
- Medical instrumentation requiring high CMRR and low offset

Equivalent

Direct equivalents: none exact. Closest functionally are high-side current-sense amplifiers with similar specs:
- Analog Devices: AD8210, AD8218
- TI: INA180, INA281
For a precise substitution, compare gain, input/common-mode range, supply, and package, and use the ADI cross-reference tool or a distributor search for pin-compatible options.