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ADI AD8418BRMZRoHS

Manufacturer
ADI
MPN
AD8418BRMZ
LCSC Part #
C107356
Packaging
MSOP-8
Customer #
Key Attributes
Bidirectional, zero-drift current sensing amplifier
Datasheetpdf iconADI AD8418BRMZ
In-Stock: 35
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QtyUnit PriceTotal Amount
1+$ 3.5147$ 3.51
10+$ 3.0512$ 30.51
30+$ 2.7763$ 83.29
100+$ 2.4998$ 249.98
500+$ 2.3713$ 1185.65
1,000+$ 2.3128$ 2312.80
Standard Packaging50/Full Tube
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Products Specifications

All
TypeDescription
CategoryIntegrated Circuits (ICs)/Linear/Amplifiers/Instrumentation, Op Amps, Buffer Amps
ManufacturerADI
PackagingMSOP-8
Output Current-
Number of Channels1
Vcm - Common Mode Voltage-2V~70V
Vos - Input Offset Voltage200uV
Slew Rate1V/us
Operating Temperature-40℃~+125℃
Common Mode Rejection Ratio(CMRR)100dB
Ib - Input Bias Current-
Input Offset Voltage Drift(Vos TC)1uV/℃
-3dB Bandwidth250kHz
Quiescent Current2.6mA
Gain20V/V
FeaturesInput filter;High-side detection;Low-side detection;Bidirectional detection;Zero drift / auto-zero;Programmable output reference level;Analog output interface
Input Voltage Noise Density110nV/√Hz@1kHz
Differential Voltage±5.5V
Dual Supply-
Single Supply2.7V~5.5V
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Introduction

AI Translation

The AD8418 is a high-voltage, high-resolution current sense amplifier. It features an initial gain of 20 V/V with a maximum gain error of ±0.15% over the full temperature range. The buffered output voltage can connect directly to any typical converter. With input common-mode voltage ranging from -2 V to +70 V, the AD8418 delivers excellent input CMR performance; it supports bidirectional current measurement across a shunt resistor, making it suitable for a wide range of automotive and industrial applications, including motor control, battery management, and solenoid control.

The AD8418 delivers excellent performance across the full -40°C to +125°C temperature range. Its zero-drift core provides a typical offset drift of 0.1 μV/°C over the full operating temperature and common-mode voltage range. Fully compliant with automotive application specifications, the AD8418 integrates an EMI filter and patented circuitry to achieve high output accuracy under PWM-type input common-mode voltages. The typical input offset voltage is ±200 μV. The AD8418 is available in 8-lead MSOP and SOIC packages.

Features

AI Translation
  • Offset drift: 0.1 μV/°C (typical)
  • Offset voltage: ±400 μV (maximum, full temperature range)
  • Supply voltage range: 2.7 V to 5.5 V
  • Integrated EMI filter
  • High input common-mode voltage range: operating range -2 V to +70 V, withstand range -4 V to +85 V
  • Initial gain μ = 20 V/V
  • Wide operating temperature range: -40°C to +125°C
  • Bidirectional operation
  • Available in 8-pin SOIC and 8-pin MSOP packages
  • CMRR: 86 dB, DC to 10 kHz
  • Automotive qualified

Applications

AI Translation
  • High-side current sensing
  • Motor control
  • Solenoid valve control
  • Power management
  • Low-side current sensing
  • Diagnostic protection