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AD7740YRMZ

Small Synchronous Voltage-to-Frequency Converter

  • Manufacturer:

    Analog Devices

  • Mfr.Part #:

    AD7740YRMZ

  • Datasheet:

    AD7740YRMZ Datasheet (PDF) pdf-icon

  • Series:

    AD7740

  • Product:

    Voltage to Frequency Converters

  • Full Scale Frequency:

    500 kHz

  • INL - Integral Nonlinearity:

    +/- 0.012 % FSR

email Email: [email protected]
skype Skype: live:.cid.ab6b29428937b76
tel Tel: +852 95804164

AD7740YRMZ General Description

The AD7740YRMZ is a high-precision, low-power capacitance-to-digital converter (CDC) produced by Analog Devices. It operates with a single 2.7 V to 5.5 V power supply, making it suitable for portable and battery-powered applications. The device features a 24-bit sigma-delta converter, providing excellent resolution for capacitance measurements.With its integrated temperature sensor and programmable excitation frequency, the AD7740YRMZ offers flexibility in various sensing applications, including proximity sensing, liquid level sensing, and capacitive touch sensing. Its digital interface allows easy integration with microcontrollers and other digital systems, simplifying system design and development.The device is housed in a small 16-lead, 4 mm × 4 mm LFCSP package, making it space-efficient for compact designs. Its low power consumption, combined with its high accuracy and resolution, makes it suitable for a wide range of precision measurement applications, from industrial automation to consumer electronics

ad7740yrmz ad7740yrmz

Key Features

  • Capacitance measurement range up to 17pF
  • Integrated temperature sensor
  • 24-bit resolution
  • I2C interface
  • Low power consumption: 400μA (typ)
  • Programmable digital filter
    • AD7740YRMZ AD7740YRMZ

    Application

  • The AD7740YRMZ is commonly used in capacitive sensing applications
  • Its primary application areas include proximity sensing, liquid level detection, and touch-sensitive interfaces
  • Additionally, it finds use in industrial automation, consumer electronics, and automotive systems for precise measurement and control of capacitive sensors

    • Specifications

    Product Category Voltage to Frequency & Frequency to Voltage Series AD7740
    Product Voltage to Frequency Converters Full Scale Frequency 500 kHz
    INL - Integral Nonlinearity +/- 0.012 % FSR Supply Voltage - Max 5.25 V
    Supply Voltage - Min 3 V Supply Type Single
    Minimum Operating Temperature - 40 C Maximum Operating Temperature + 105 C
    Mounting Style SMD/SMT Height 0.85 mm
    Length 3 mm Operating Supply Voltage 3.3 V, 5 V
    Product Type Voltage to Frequency & Frequency to Voltage Factory Pack Quantity 50
    Subcategory Data Converter ICs Width 3 mm
    Unit Weight 0.004938 oz

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    AVAQ determines and packages all devices based on electrostatic discharge (ESD) and moisture sensitivity level (MSL) protection requirements.

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    Ratings and Reviews

    More
    S
    S**a 12/20/2023

    A good set, everything you need. Sent quickly, everything corresponds

    16
    A
    A**n 09/08/2023

    Super seller! Everything came on time. I recommend! Not yet checked, done qualitatively.

    13
    L
    L**m 01/07/2023

    The product corresponds to the description. Delivery to mo less than 1 week. Seller recommend.

    10
    L
    L**m 10/25/2020

    The board of good quality everything works fine.

    10

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    AD7740YRMZ Datasheet PDF

    Preliminary Specification AD7740YRMZ PDF Download

    AD7740YRMZ PDF Preview

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