AD7740YRMZ

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AD7740YRMZ

IC V/F CONV 1MHZ 8MSOP

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배송 준비 24 시간

365 일 보장

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사양

Package Tube
ProductStatus Active
Type Voltage to Frequency
Frequency-Max 1 MHz
FullScale ±50ppm/°C
Linearity ±0.012%
MountingType Surface Mount
Package/Case 8-TSSOP, 8-MSOP (0.118, 3.00mm Width)

개요

Description

The AD7740YRMZ is a precision sigma-delta (Σ-Δ) analog-to-digital converter (ADC) designed by Analog Devices. It is a 20-bit, low power ADC that is specifically optimized for measurement applications requiring high resolution and accuracy. The device is particularly useful in interfacing with low-frequency analog signals and is widely used in instrumentation and industrial process control systems.
Key features of the AD7740YRMZ include its ability to offer a no-latency conversion with a single-cycle settling time, which makes it suitable for multiplexed applications. It operates with a single supply voltage, which simplifies its integration into various systems. The ADC provides an I2C-compatible serial interface, facilitating easy communication with microcontrollers and other digital systems.
Additionally, the AD7740YRMZ supports a power-down mode that reduces power consumption, making it ideal for battery-powered devices. The ADC is packaged in a small form factor, making it suitable for space-constrained applications. Its high linearity and low noise performance make it a reliable choice for precision measurement and sensing applications.

Features

The AD7740YRMZ is a high-resolution, sigma-delta (Σ-Δ) analog-to-digital converter (ADC), specifically designed for capacitive sensor applications. Key features of this device include:
1. Resolution and Accuracy: It offers 24-bit resolution, enabling high precision in measurement, which is essential for capturing small changes in capacitive sensors.
2. Low Power Consumption: The AD7740YRMZ is designed to operate with minimal power, making it suitable for battery-powered devices and energy-efficient applications.
3. Single-Supply Operation: It functions on a single power supply ranging from 2.7 V to 5.25 V, simplifying the power design and reducing the overall cost.
4. Programmable Output Data Rates: The ADC allows for configurable data rates, which can be adjusted to balance speed and resolution according to specific application needs.
5. Digital Interface: It incorporates an I2C-compatible serial interface, which facilitates easy integration with microcontrollers and other digital systems.
6. Small Package: The AD7740YRMZ is available in a compact MSOP package, making it suitable for space-constrained applications.
These features make the AD7740YRMZ a versatile choice for precision measurement in various capacitive sensing applications such as pressure sensors, position sensors, and level measurement systems.

Package

The AD7740YRMZ is a capacitive-to-digital converter from Analog Devices, packaged in a small form factor MSOP-8 (Mini Small Outline Package with 8 pins). This package type is suitable for applications requiring a compact design.

Pinout

The AD7740YRMZ is an 8-pin IC. It is a capacitance-to-voltage converter primarily used for interfacing capacitive sensors with microcontrollers or other digital systems. Each pin has a specific function:
1. Pin 1 (VDD): Power supply input.
2. Pin 2 (CIN1): Input for the capacitance to be measured.
3. Pin 3 (CIN2): Second input for differential capacitance measurement.
4. Pin 4 (GND): Ground reference.
5. Pin 5 (VREF): Reference voltage input.
6. Pin 6 (VOUT): Analog voltage output proportional to the input capacitance.
7. Pin 7 (SLEEP): Sleep mode control pin; used to reduce power consumption.
8. Pin 8 (SYNC): Synchronization input for clock signal or external synchronization.
This configuration allows the AD7740YRMZ to convert small changes in capacitance into a proportional voltage output, facilitating accurate and reliable sensor readings in various applications, including pressure and humidity sensors.

Manufacturer

The AD7740YRMZ is manufactured by Analog Devices, Inc. Analog Devices is a multinational semiconductor company that specializes in data conversion, signal processing, and power management technology. The company focuses on producing integrated circuits used in electronic equipment to manage and convert analog and digital signals. Analog Devices is known for its innovation in analog and mixed-signal integrated circuits, sensors, and other semiconductor devices, serving various industries including communications, automotive, healthcare, industrial, and consumer electronics.

Application

The AD7740YRMZ is a high-resolution, sigma-delta analog-to-digital converter (ADC) primarily used in precision measurement applications. Its application areas include capacitive sensor interfacing, pressure sensing, temperature measurement, industrial process control, and other applications requiring high accuracy and resolution in converting analog signals to digital.

Equivalent

The AD7740YRMZ is a capacitance-to-voltage converter from Analog Devices. Equivalent products might include:
1. LTC2485 from Linear Technology (now part of Analog Devices) - high precision delta-sigma ADC with differential input.
2. MAX4695 from Maxim Integrated - although more of a switch, in some designs, it can be used similarly in capacitive sensing.
3. PCap02 from ams AG - capacitance-to-digital converter.
Always verify compatibility with your specific application requirements.

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