AD8421ARZ

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With its exceptional noise performance of 3nV/√Hz, the AD8421ARZ is perfect for applications requiring high precision signal amplification

  • 製造商零件號 # : AD8421ARZ

  • 包裝/封裝: SOIC-8

  • 製造商: Analog Devices

  • 產品分類 : Instrumentation, OP Amps, Buffer Amps

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AD8421ARZ 數據表

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詳細說明

In a market saturated with instrumentation amplifiers, the AD8421ARZ stands out as a standout option for companies seeking quality and performance without sacrificing affordability. With its impressive noise rejection capabilities, low power consumption, and wide temperature range, this amplifier is well-suited for demanding applications where accuracy and reliability are paramount. The AD8421ARZ is a versatile solution that can adapt to a range of signal conditioning tasks, making it a valuable tool for engineers and designers looking to push the boundaries of what is possible in data acquisition and analysis

AD8421ARZ

主要特徵

  • The AD8460 is a precision, low noise instrumentation amplifier with a gain range of 1 to 100
  • It features high common-mode rejection ratio, low offset voltage, and low drift
  • Operates over a wide temperature range

應用

  • Biomedical sensors
  • Temperature measurement
  • Differential amplifier

規格

以下是所選零件的基本參數,涉及零件的特性及其所屬類別。

Product Category ! Instrumentation Amplifiers RoHS Details
Series AD8421 Number of Channels 1 Channel
3 dB Bandwidth 10 MHz SR - Slew Rate 35 V/us
CMRR - Common Mode Rejection Ratio 136 dB Ib - Input Bias Current 8 nA
Vos - Input Offset Voltage 60 uV Supply Voltage - Max 36 V
Supply Voltage - Min 5 V Operating Supply Current 2 mA
Minimum Operating Temperature - 40 C Maximum Operating Temperature ! + 85 C
Mounting Style SMD/SMT Package / Case SOIC-8
Amplifier Type Instrumentation Amplifier Bandwidth 10 MHz
Brand Analog Devices Dual Supply Voltage 2.5 V to 18 V
Gain V/V 1 V/V to 10000 V/V Height 1.5 mm
Length 5 mm Maximum Input Resistance 30 GOhms
Operating Supply Voltage ! 5 V to 36 V Product Instrumentation Amplifiers
Product Type ! Instrumentation Amplifiers PSRR - Power Supply Rejection Ratio 140 dB
Factory Pack Quantity 98 Subcategory Amplifier ICs
Supply Type Single, Dual Vcm - Common Mode Voltage 5 V to 36 V
Voltage Gain dB 80 dB Width 4 mm
Unit Weight 0.019048 oz

數據表 PDF

數據表記錄了器件的特性、絕對最大額定值、應用等,這對於作為器件特定應用的整體指南大有裨益。

初步規格 AD8421ARZ PDF 下載

常見問題解答

What is AD8421ARZ?

The AD8421ARZ is a precision, low noise, low power instrumentation amplifier designed by Analog Devices. It is suitable for applications requiring high accuracy in amplifying low-level signals, such as medical instrumentation, industrial control systems, and sensor interfaces.

How Does AD8421ARZ Work?

The AD8421ARZ amplifies small differential input signals with high precision and low noise. It incorporates a high-performance instrumentation amplifier architecture that provides high common-mode rejection and low offset voltage. The amplifier is designed for precision signal conditioning in instrumentation and measurement applications.

How Many Pins does AD8421ARZ have and What are the Functions of the Pinout Configuration?

The AD8421ARZ is housed in an 8-lead SOIC package. The pinout configuration includes:

  • VS+: Positive power supply pin.
  • VS-: Negative power supply pin.
  • REFOUT: Reference output pin.
  • IN-: Inverting input terminal.
  • IN+: Non-inverting input terminal.
  • OUTPUT: Output terminal.
  • RG: Gain setting resistor pin.
  • REFIN: Reference input pin.

What are the Pros and Cons of AD8421ARZ?

Pros:

  • Low Noise: Provides low noise amplification for accurate signal conditioning.
  • High Precision: Offers high common-mode rejection and low offset voltage for precise measurements.
  • Low Power Consumption: Operates with low power, suitable for battery-powered applications.
  • Flexible Gain Setting: Allows for adjustable gain using external resistors.
  • Wide Supply Range: Supports a wide supply voltage range for versatility in different systems.

Cons:

  • External Resistors: Requires external gain-setting resistors for configuring the gain.
  • High Cost: Precision instrumentation amplifiers may come at a higher cost compared to general-purpose amplifiers.
  • Package Size: The 8-lead SOIC package may be relatively larger for space-constrained designs.

Are There Any Equivalents/Alternatives to AD8421ARZ for Recommendation?

  • The AD8221 from Analog Devices is a similar precision instrumental amplifier with high accuracy.
  • Alternatives to the AD8421ARZ include the INA125 from Texas Instruments and the LT1167 from Analog Devices.

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