AD7891ASZ-1

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AD7891ASZ-1

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IC DAS 12BIT 500K 44MQFP

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Especificações

Atributo Valor
Package Bulk,Tray
ProductStatus Active
Type Data Acquisition System (DAS)
NumberofChannels 8
Resolution(Bits) 12 b
SamplingRate(PerSecond) 500k
DataInterface Serial, Parallel
VoltageSupplySource Single Supply
Voltage-Supply 5V
OperatingTemperature -40°C ~ 85°C
MountingType Surface Mount
Package/Case 44-QFP

Visão Geral

Description

The AD7891ASZ-1 is a high-speed, 12-bit analog-to-digital converter (ADC) designed by Analog Devices. It is known for its fast conversion rates, typically featuring a 600 nanosecond conversion time, making it suitable for applications requiring quick data processing. The device operates with a single +5V power supply and offers a 1.5 MHz throughput rate, contributing to efficient performance in various electronic systems.
The AD7891ASZ-1 is built to facilitate easy interfacing with microprocessors, featuring a standard serial interface. It is equipped with an internal 2.5V reference, although it can also operate with an external reference if needed. The ADC is known for its low power consumption, typically drawing only 20 mW at 5V, which makes it suitable for battery-powered applications.
Encased in a 14-pin Small Outline Integrated Circuit (SOIC) package, the AD7891ASZ-1 is compact and easy to integrate into existing systems. Its combination of speed, accuracy, and low power requirements makes it ideal for use in data acquisition systems, digital signal processing, and other real-time applications.

Equivalent

The AD7891ASZ-1 is a 12-bit analog-to-digital converter (ADC). Equivalent products include the Texas Instruments ADS7816, Maxim Integrated MAX186, and Microchip Technology's MCP3201. These alternatives offer similar functionality in terms of resolution and sampling rate. When selecting a replacement, ensure compatibility in terms of pin configuration and electrical characteristics for optimal performance in your specific application. Always consult the datasheets for precise matching.

Features

The AD7891ASZ-1 is a high-speed, 12-bit analog-to-digital converter (ADC) featuring a variety of useful characteristics:
1. Resolution and Speed: It provides 12-bit resolution and operates at a high speed, which is suitable for applications requiring rapid data conversion.
2. Input Range: It comes with a single-channel input, supporting various input voltage ranges that make it versatile for different applications.
3. Sampling Rate: The device has a fast sampling rate, allowing for quick and accurate signal processing.
4. Low Power Consumption: It is designed to consume minimal power, enhancing its suitability for battery-operated or energy-efficient applications.
5. Serial Interface: The ADC supports a serial interface, facilitating easy integration with microcontrollers and digital signal processors.
6. Precision: It offers high precision and low noise, ensuring accurate data conversion in demanding environments.
7. Temperature Range: It operates effectively over a wide temperature range, making it reliable for use in various industrial and automotive applications.
These features make the AD7891ASZ-1 a robust choice for systems requiring efficient and precise analog-to-digital conversion.

Pinout

The AD7891ASZ-1 is a 12-bit analog-to-digital converter (ADC) with a serial interface. It comes in a 24-pin Small Outline Integrated Circuit (SOIC) package. The primary function of the AD7891 is to convert analog signals into digital data, suitable for a variety of applications such as data acquisition systems or signal processing. The device features a fast conversion time and includes a track-and-hold amplifier and a voltage reference.
Key pins include:
- V\_IN: Analog input
- AGND, DGND: Analog and digital ground
- V\_DD: Positive power supply
- REF\_IN/REF\_OUT: Reference voltage input/output
- SCLK: Serial clock
- SDATA: Serial data output
- CONVST: Conversion start
The AD7891ASZ-1 operates with a supply voltage and is typically used in environments where space is constrained but high-speed data conversion is necessary. Its serial interface capability is useful for reducing the pin count required for communication with microcontrollers or DSPs.

Manufacturer

The AD7891ASZ-1 is manufactured by Analog Devices, Inc. Analog Devices is a multinational semiconductor company that specializes in designing and manufacturing analog, mixed-signal, and digital signal processing (DSP) integrated circuits used in electronic equipment. The company is known for its contributions to the electronics industry, particularly in developing high-performance components for a wide range of applications, including telecommunications, automotive, industrial, healthcare, consumer electronics, and aerospace. Analog Devices is renowned for its expertise in data conversion, signal processing, and power management technologies.

Application

The AD7891ASZ-1 is a high-speed, 12-bit analog-to-digital converter (ADC) known for its precision and fast processing capabilities. It is commonly used in applications such as industrial automation, data acquisition systems, instrumentation, and telecommunications. Its compact size and efficient power consumption make it suitable for portable and battery-operated devices. Additionally, its high-speed performance is beneficial in motor control systems, medical imaging, and digital signal processing. The device's ability to provide accurate analog-to-digital conversion is crucial in applications requiring high-resolution and low-latency data processing.

Package

The AD7891ASZ-1 is typically available in an SOIC (Small Outline Integrated Circuit) package type.

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