AD7903BRQZ

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AD7903BRQZ

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IC ADC 16BIT SAR 20QSOP

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規格

屬性 價值
Package / Case Tube
Series PulSAR®
Part Status Active
Number of Bits 16
Sampling Rate(Per Second) 1M
Number of Inputs 2
Input Type Differential
Data Interface SPI, DSP
Configuration S/H-ADC
Ratio - S / H: ADC 1:1
Number of A/D Converters 2
Architecture SAR
Reference Type External
Voltage - Supply, Analog 2.375V ~ 2.625V
Voltage - Supply, Digital 2.375V ~ 2.625V
Features Simultaneous Sampling
Operating Temperature -40°C ~ 125°C
Supplier Device Package 20-QSOP

概述

Description

The AD7903BRQZ is a precision analog-to-digital converter (ADC) from Analog Devices. It features a dual, 16-bit, low power, successive approximation register (SAR) architecture. Key specifications include a sampling rate of up to 1 MSPS (million samples per second), excellent linearity, low power consumption, and a high-speed SPI-compatible serial interface. The device operates from a single 2.5 V supply and is designed for use in applications requiring high precision and speed, such as data acquisition systems, industrial controls, and instrumentation. The AD7903BRQZ is known for its low noise performance and high accuracy, making it suitable for use in precision measurement applications. The compact form factor, typically available in a small LFCSP (lead frame chip scale package) or similar, allows for easy integration into space-constrained designs. This ADC also supports pseudo-differential input ranges, which enhances its versatility in various signal processing applications.

Equivalent

The AD7903BRQZ is a dual 16-bit, 1 MSPS PulSAR ADC from Analog Devices. Equivalent products from other manufacturers include:
1. Texas Instruments ADS8866 - A similar 16-bit, 1 MSPS ADC.
2. Microchip MCP33161 - A 16-bit, 1 MSPS ADC.
3. Maxim Integrated MAX11645 - A 16-bit ADC with comparable speed and resolution.
Ensure to verify specifications and pin compatibility when considering alternatives.

Features

The AD7903BRQZ is a dual, 16-bit, successive approximation register (SAR) analog-to-digital converter (ADC) from Analog Devices. It offers high performance with a sampling rate of up to 1 MSPS per channel. Key features include:
1. Resolution and Speed: 16-bit resolution with a throughput of 1 MSPS per channel.
2. Low Power Consumption: Designed for low power operation, suitable for battery-powered applications.
3. Compact Package: Available in a small LFCSP package, facilitating compact designs.
4. Wide Input Range: Supports a wide input voltage range and offers excellent dynamic performance.
5. Interface: Features a versatile serial interface that's compatible with SPI, QSPI, MICROWIRE, and DSP interfaces.
6. Temperature Range: Operates over a wide temperature range, making it suitable for various environmental conditions.
7. Precision: High accuracy and linearity with low noise levels.
8. Applications: Ideal for use in portable data acquisition systems, medical instruments, and industrial automation.
These attributes make the AD7903BRQZ suitable for applications requiring precise, high-speed data conversion with low power consumption.

Pinout

The AD7903BRQZ is a dual, 16-bit, 1 MSPS, successive approximation analog-to-digital converter (ADC) from Analog Devices. It has a total of 20 pins. The function of this ADC is to convert analog input signals into digital data with high precision and speed. The device features two independent ADC channels, making it suitable for applications that require simultaneous sampling of two input signals. Key features include low power consumption and a serial interface for easy integration with microcontrollers or digital signal processors. The AD7903BRQZ provides accurate and reliable performance for various applications, including data acquisition systems and instrumentation.

Manufacturer

The AD7903BRQZ is manufactured by Analog Devices, Inc. Analog Devices is a multinational semiconductor company specializing in data conversion, signal processing, and power management technology. The company supplies a wide range of products and solutions that are used in various sectors, including industrial, automotive, communications, and consumer electronics. Analog Devices is known for its high-performance analog, mixed-signal, and digital signal processing (DSP) integrated circuits, which play a critical role in enabling smart and connected devices.

Application

The AD7903BRQZ is a precision analog-to-digital converter (ADC) that is commonly used in applications requiring high accuracy and low power consumption. Its key application areas include industrial process control, medical instrumentation, and data acquisition systems. The ADC is also well-suited for use in battery-powered devices due to its energy efficiency. Furthermore, it is utilized in communication systems, test and measurement equipment, and any application demanding precise and reliable digital conversion of analog signals. Its differential input feature makes it especially useful for applications that require high noise immunity and common-mode rejection.

Package

The AD7903BRQZ is packaged in a 16-lead QSOP (Quarter-Size Small Outline Package).

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