AD7731BRZ

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AD7731BRZ

IC ADC 24BIT SIGMA-DELTA 24SOIC

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Spécifications

Part Status Active
Number of Bits 24
Sampling Rate (Per Second) 6.4k
Number of Inputs 3, 5
Input Type Differential
Data Interface SPI, DSP
Configuration MUX-PGA-ADC
Number of A/D Converters 1
Architecture Sigma-Delta
Reference Type External
Voltage - Supply, Analog 5V
Voltage - Supply, Digital 5V
Features PGA
Operating Temperature -40°C ~ 85°C
Package / Case 24-SOIC (0.295", 7.50mm Width)
Supplier Device Package 24-SOIC
Mounting Type Surface Mount
Base Product Number AD7731

Vue d'ensemble

Description

The AD7731BRZ is a precision, low-power analog-to-digital converter (ADC) designed by Analog Devices. It features a 24-bit resolution and is optimized for low noise and high accuracy, making it suitable for applications in industrial process control, medical devices, and instrumentation.
Key features include a differential input structure, programmable gain amplifier (PGA), and a flexible digital interface, which supports both serial and parallel communication modes. The device operates with a power supply voltage of 2.7V to 5.25V and offers various input ranges to accommodate different sensor outputs.
The AD7731BRZ also includes built-in filtering capabilities and offers a range of sample rates, allowing users to tailor performance to specific application needs. Its low power consumption makes it ideal for battery-operated systems. Overall, the AD7731BRZ is an excellent choice for applications requiring high-performance data acquisition and processing.

Features

The AD7731BRZ is a high-performance, sigma-delta analog-to-digital converter (ADC) designed for precision applications. Key features include:
1. 24-Bit Resolution: Provides fine measurement accuracy with 24-bit data output.
2. Low Noise: Excellent noise performance ensures high signal fidelity.
3. Programmable Gain Amplifier (PGA): Offers adjustable gain settings, enhancing versatility for various input signal ranges.
4. Integrated Reference Voltage: Simplifies system design by incorporating an internal reference, reducing external components.
5. Flexible Data Output: Supports various digital interfaces, including SPI, facilitating easy integration into microcontroller systems.
6. Low Power Consumption: Ideal for battery-operated devices, the ADC consumes minimal power.
7. Multiple Input Channels: Supports multiplexed inputs for measuring multiple signals with a single ADC.
8. Temperature Range: Operates over a wide temperature range, suitable for diverse applications.
These features make the AD7731BRZ suitable for precision instrumentation, industrial control, and signal processing applications.

Package

The AD7731BRZ is packaged in a 28-lead TSSOP (Thin Shrink Small Outline Package), which is designed for surface mount applications. This package type allows for efficient space utilization on PCBs while providing a reliable connection for the integrated circuit.

Pinout

The AD7731BRZ is a precision analog-to-digital converter (ADC) with a pin count of 28. It features a range of functions including:
1. Analog Inputs: It has differential input channels for measurement.
2. Digital Outputs: The device provides serial data output for communication with a microcontroller or processor.
3. Reference Voltage Input: It allows connection to an external reference voltage for accurate conversions.
4. Clock Input: The ADC includes a clock input for timing control.
5. Power Supply Pins: Dedicated pins for power supply connections.
6. Configuration Pins: Pins for setting up the operation mode and control characteristics.
The AD7731 is designed for high-resolution applications, providing up to 24 bits of resolution and suitable for industrial, medical, and instrumentation uses.

Manufacturer

The AD7731BRZ is manufactured by Analog Devices, Inc. Analog Devices is a multinational company specializing in the design and manufacturing of analog, mixed-signal, and digital signal processing (DSP) integrated circuits. Founded in 1965, the company is known for its innovative semiconductor solutions that serve a wide range of applications, including industrial automation, automotive, communications, healthcare, and consumer electronics. Analog Devices focuses on high-performance analog technology and provides a variety of products such as amplifiers, converters, sensors, and microcontrollers, making it a key player in the electronics industry.

Application

The AD7731BRZ is a precision analog-to-digital converter (ADC) ideal for applications in industrial automation, process control, and instrumentation. It is commonly used in weighing systems, load cells, strain gauges, and medical devices. Its high resolution and low noise make it suitable for data acquisition in laboratory equipment and environmental monitoring. Additionally, it is employed in audio signal processing and any application requiring accurate measurement of analog signals.

Equivalent

Equivalent products to the AD7731BRZ chip include the Texas Instruments ADS1231, Analog Devices AD7730, and the MAXIM MAX11200. These alternatives offer similar functionalities in terms of analog-to-digital conversion, resolution, and interface capabilities. Be sure to check specific features and specifications to ensure compatibility with your application.

Expédition

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Référence des frais d'expédition (DHL/FedEx):

DHL: Les frais d'expédition vont de 25 à 45 $ (0,5 kg), avec un délai de livraison estimé de 2 à 5 jours ouvrables.

FedEx: Les frais d'expédition varient de 25 à 40 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.

UPS: Les frais d'expédition vont de 25 à 45 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.

TNT: Les frais d'expédition varient de 25 à 65 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.

EMS: Les frais d'expédition varient de 30 à 50 $ (0,5 kg), avec un délai de livraison estimé de 7 à 15 jours ouvrables.

Courrier aérien enregistré: Le coût d'expédition est de 2 à 4 $ (0,1 kg), avec un délai de livraison estimé de 5 à 20 jours ouvrables.

Paiements

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