AD7940BRJZ-REEL7

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AD7940BRJZ-REEL7

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ADC, SUCCESSIVE APPROXIMATION, 1

  • Fabricanteonsemi

  • Peça do Fabricante #AD7940BRJZ-REEL7

  • Pacote SOT-23-6

  • Em Estoque5999

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Especificações

Atributo Valor
Package / Case Bulk
Part Status Active
Number of Bits 14
Sampling Rate(Per Second) 100k
Number of Inputs 1
Input Type Single Ended
Data Interface SPI, DSP
Configuration S/H-ADC
Ratio - S / H: ADC 1:1
Number of A/D Converters 1
Architecture SAR
Reference Type Supply
Voltage - Supply, Analog 2.5V ~ 5.5V
Voltage - Supply, Digital 2.5V ~ 5.5V
Operating Temperature -40°C ~ 85°C
Supplier Device Package SOT-23-6

Visão Geral

Description

The AD7940BRJZ-REEL7 is a precision 14-bit Analog-to-Digital Converter (ADC) from Analog Devices. It is part of the PulSAR® ADC family, designed to deliver high performance and low power consumption. The device operates from a single 2.7 V to 5.5 V supply, making it versatile for various applications. It features a sampling rate of up to 100 kSPS, making it suitable for data acquisition applications where speed and accuracy are required.
The AD7940 utilizes a successive approximation register (SAR) architecture and includes an internal conversion clock that simplifies the design process, eliminating the need for an external clock. It offers a differential input range of ±VREF, which enhances its ability to handle a variety of signals.
Packaged in a small SOT-23 form factor, the AD7940BRJZ-REEL7 is ideal for space-constrained designs. It also includes a standard SPI-compatible interface, facilitating easy integration with microcontrollers and DSPs. With its combination of compact size, accuracy, and low power consumption, it is well-suited for portable instrumentation, industrial automation, and medical devices.

Equivalent

The AD7940BRJZ-REEL7 is a 14-bit, 100 kSPS ADC from Analog Devices. Equivalent products from other manufacturers might include the MCP3201 from Microchip, the ADS8320 from Texas Instruments, and the LTC1401 from Analog Devices (formerly Linear Technology). These equivalents should be verified for specific application needs as they may differ in package, power requirements, or other parameters.

Features

The AD7940BRJZ-REEL7 is a precision 14-bit, successive approximation register (SAR) analog-to-digital converter (ADC) designed for high performance and low power consumption. Key features include:
1. Resolution and Performance: Offers a 14-bit resolution with a sampling rate of up to 100 kSPS (kilo-samples per second).
2. Power Efficiency: Operates with low power consumption, making it suitable for battery-operated devices.
3. Input Range: Accommodates a unipolar input range of 0 to VREF, where VREF is the reference voltage.
4. Small Package: Available in a compact SOT-23 package, catering to space-constrained applications.
5. Serial Interface: Utilizes a 3-wire SPI-compatible serial interface, facilitating easy integration with microcontrollers and DSPs.
6. Accuracy: Features low total unadjusted error (TUE) and low inherent offset and gain error.
7. Wide Operating Range: Supports an operating temperature range from -40°C to +125°C, making it versatile for various environments.
These characteristics make the AD7940BRJZ-REEL7 suitable for applications in instrumentation, data acquisition, and industrial control systems.

Pinout

The AD7940BRJZ-REEL7 is a 14-bit, 100 kSPS (kilo-samples per second) precision analog-to-digital converter (ADC) from Analog Devices. It is part of the PulSAR ADC family and is designed for low power and low noise applications.
The device comes in an 8-lead SOT-23 package. The pin functions are as follows:
1. VDD: Power supply pin.
2. GND: Ground reference for all signals.
3. VIN+: Positive analog input.
4. VIN-: Negative analog input (typically connected to ground for single-ended input).
5. SCK: Serial Clock input for data conversion and output.
6. SDO: Serial Data Output, where the digital conversion result is output.
7. CNV: Convert Input, which initiates the conversion process.
8. REF: Reference voltage input, used as the reference for the ADC conversion.
This ADC is suitable for various applications, including data acquisition systems and other systems requiring precise analog-to-digital conversion.

Manufacturer

The AD7940BRJZ-REEL7 is manufactured by Analog Devices, Inc. Analog Devices is a multinational semiconductor company known for designing and manufacturing a broad portfolio of analog, mixed-signal, and digital signal processing (DSP) integrated circuits (ICs). The company's products are widely used in various markets, including industrial, automotive, communications, healthcare, and consumer electronics. Analog Devices is recognized for its innovative technologies in areas such as data converters, amplifiers, power management, radio frequency (RF) ICs, and sensors.

Application

The AD7940BRJZ-REEL7, a 14-bit, 1 MSPS Analog-to-Digital Converter (ADC), is well-suited for applications requiring high precision and speed. Key application areas include:
1. Industrial Automation: Used in control systems and monitoring for precise signal conversion.
2. Instrumentation: Essential for data acquisition systems and digital oscilloscopes.
3. Medical Devices: Utilized in imaging and diagnostic equipment for accurate signal processing.
4. Communications: Applicable in base stations and network test equipment.
5. Consumer Electronics: Suitable for advanced audio and video processing tasks.
6. Automotive: Used in systems requiring precise sensor data interpretation.
These applications benefit from its high accuracy, low power consumption, and compact size.

Package

The AD7940BRJZ-REEL7 is an Analog Devices product that comes in an SOT-23-8 package. This package type is a small-outline transistor configuration with 8 leads, suitable for surface-mount technology, providing a compact solution for electronic circuit integration.

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