AD7655ASTZ

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AD7655ASTZ

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IC ADC 16BIT SAR 48LQFP

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Thông số kỹ thuật

thuộc tính Giá trị
Package Tray
Series PulSAR®
ProductStatus Active
NumberofBits 16
SamplingRate(PerSecond) 1M
NumberofInputs 2, 4
InputType Pseudo-Differential, Single Ended
DataInterface SPI, Parallel, DSP
Configuration MUX-S/H-MUX-ADC
Ratio-S/H:ADC 2:1
NumberofA/DConverters 1
Architecture SAR
ReferenceType External
Voltage-SupplyAnalog 5V
Voltage-SupplyDigital 5V
Features Simultaneous Sampling
OperatingTemperature -40°C ~ 85°C
Package/Case 48-LQFP
SupplierDevicePackage 48-LQFP (7x7)

Tổng quan

Description

The AD7655ASTZ is a high-performance, dual-channel, 16-bit analog-to-digital converter (ADC) from Analog Devices. It operates with a throughput rate of up to 1 MSPS (1 million samples per second) for each channel, making it suitable for high-speed data acquisition systems. The device features a successive approximation register (SAR) architecture, which provides excellent accuracy and linearity.
The AD7655ASTZ has a differential input range, ensuring better noise immunity and allowing for more precise measurements in noisy environments. It supports a wide dynamic range with a Signal-to-Noise Ratio (SNR) of approximately 89 dB. The ADC operates over a wide voltage range and provides various digital interface options, including parallel and serial interfaces, for flexible communication with microcontrollers or DSPs.
The device is commonly used in applications such as industrial automation, medical instrumentation, and communications systems, where high-speed and high-resolution data conversion are critical. Its compact form factor and robust performance make it a versatile choice for engineers looking to implement reliable data acquisition solutions.

Equivalent

The AD7655ASTZ is a dual 16-bit, 1 MSPS, successive approximation analog-to-digital converter (ADC) from Analog Devices. Equivalent products include:
1. Texas Instruments ADS8363 - Dual 16-bit, 1 MSPS ADC.
2. Linear Technology (now part of Analog Devices) LTC1865 - 16-bit, 200 ksps ADC.
3. Maxim Integrated (now part of Analog Devices) MAX1304 - 16-bit, 1 MSPS ADC.
These alternatives vary slightly in features and specifications, so it's important to review their datasheets to ensure compatibility with your application.

Features

The AD7655ASTZ is a high-performance, dual, 16-bit, analog-to-digital converter (ADC) designed for precise data acquisition applications. Key features include:
1. Resolution and Channels: It offers 16-bit resolution with two channels, enabling simultaneous sampling of two inputs.

2. Architecture: Utilizes a successive approximation register (SAR) ADC architecture, which provides high speed and accuracy.
3. Speed: Capable of conversion rates up to 1 MSPS (Mega Samples Per Second), suitable for high-speed data acquisition.
4. Input Range and Type: Supports bipolar and unipolar input ranges, adaptable for various signal types.
5. Interface: Features a versatile parallel and serial interface, allowing easy integration with microcontrollers and digital signal processors.
6. Power Supply: Operates with a single 5V supply, making it efficient for power-sensitive applications.
7. Accuracy and Performance: Offers low total harmonic distortion (THD) and high signal-to-noise ratio (SNR), ensuring high-quality signal conversion.
8. Package: Available in a compact, RoHS-compliant, 48-lead LQFP package, optimizing space in circuit designs.
These features make the AD7655ASTZ suitable for applications in instrumentation, communication, and industrial automation where precision and speed are crucial.

Pinout

The AD7655ASTZ is a dual, 16-bit, 1 million samples per second (MSPS) analog-to-digital converter (ADC) produced by Analog Devices. It is housed in a 48-lead LQFP (Low-Profile Quad Flat Package) and features the following key functions and pin count:
- Total Pin Count: 48 pins.
- Key Functions:
- Dual simultaneous sampling of two separate analog input channels.
- Each channel supports a sample rate of up to 1 MSPS.
- The device supports both serial and parallel interface modes for data communication.
- The ADC has a built-in track-and-hold circuit for each channel.
- It operates from a single 5V analog supply and a 2.7V to 5.25V digital supply.
The AD7655ASTZ is designed for applications requiring high-speed, high-accuracy data conversion, such as medical imaging and instrumentation.

Manufacturer

The AD7655ASTZ is manufactured by Analog Devices, Inc. Analog Devices is a multinational semiconductor company that specializes in the design and manufacturing of a broad range of integrated circuits (ICs) used in electronic equipment. The company is known for its high-performance analog, mixed-signal, and digital signal processing (DSP) technologies. Analog Devices serves various sectors, including industrial, automotive, communications, and consumer electronics, providing critical components for applications such as data conversion, signal processing, power management, and more.

Application

The AD7655ASTZ is a dual, 16-bit, 1 MSPS (megapixel per second) analog-to-digital converter (ADC) used in various applications. Its application areas include industrial automation, motor control, and instrumentation, where precise and fast signal conversion is needed. It's also used in data acquisition systems, medical imaging devices, and communication systems that require high performance and reliability. The device's fast sampling rate and accuracy make it suitable for use in precision measurement equipment and automated test equipment (ATE). Additionally, it can be used in power line monitoring and control systems, ensuring efficient energy distribution and management.

Package

The AD7655ASTZ is housed in a 48-lead LQFP (Low-Profile Quad Flat Package).

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