AD7797BRUZ

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AD7797BRUZ

IC ADC 24BIT SIGMA-DELTA 16TSSOP

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Specifications

Part Status Active
Number of Bits 24
Sampling Rate (Per Second) 123
Number of Inputs 1
Input Type Differential
Data Interface SPI, DSP
Configuration MUX-ADC
Number of A/D Converters 1
Architecture Sigma-Delta
Reference Type External
Voltage - Supply, Analog 2.7V ~ 5.25V
Voltage - Supply, Digital 2.7V ~ 5.25V
Features Temperature Sensor
Operating Temperature -40°C ~ 85°C
Package / Case 16-TSSOP (0.173", 4.40mm Width)
Supplier Device Package 16-TSSOP
Mounting Type Surface Mount
Base Product Number AD7797

Overview

Description

The AD7797BRUZ is a low-power, 24-bit sigma-delta analog-to-digital converter (ADC) designed by Analog Devices. It is optimized for high precision in weighing scales and industrial process control applications. This ADC features a single-ended input, making it suitable for various sensor types, including temperature and pressure sensors.
Key specifications include a maximum sampling rate of 16.6 kSPS, integrated programmable gain amplifiers (PGAs), and internal reference voltages, which simplify circuit design. The device operates with a supply voltage range of 2.7V to 5.5V and offers flexible communication options via a serial interface (SPI).
The AD7797BRUZ also includes a built-in temperature sensor and supports various output formats, making it versatile for different applications. Its low noise and high accuracy make it ideal for applications requiring precise measurements in challenging environments. Overall, the AD7797BRUZ is a robust choice for engineers seeking reliable and accurate data acquisition solutions.

Features

The AD7797BRUZ is a low-power, 24-bit analog-to-digital converter (ADC) with a sigma-delta architecture, primarily designed for precision measurement applications. Key features include:
1. 24-bit Resolution: Provides high accuracy and resolution for precise measurements.
2. Low Noise: Offers low noise performance, suitable for applications requiring high sensitivity.
3. Multiple Input Channels: Supports up to two differential input channels for versatile signal processing.
4. Programmable Gain Amplifier (PGA): Features a 1 to 128 gain setting for various input ranges.
5. Digital Filter: Includes built-in digital filtering options to reduce noise and improve measurement stability.
6. Low Power Consumption: Designed for battery-operated devices, with sleep and active modes to optimize power usage.
7. SPI Interface: Facilitates easy communication with microcontrollers or digital signal processors.
8. Temperature Range: Operates across a wide temperature range, making it suitable for industrial applications.
The AD7797 is ideal for applications in process control, industrial automation, and instrumentation.

Package

The AD7797BRUZ is packaged in a 16-lead TSSOP (Thin Shrink Small Outline Package) with a lead pitch of 0.65 mm.

Pinout

The AD7797BRUZ is a 24-bit, sigma-delta analog-to-digital converter (ADC) with a total of 8 pins. The pin configuration and their functions are as follows:
1. VDD - Power supply input.
2. AGND - Analog ground.
3. AIN+ - Positive input for the analog signal.
4. AIN- - Negative input for the analog signal.
5. SCLK - Serial clock input for SPI communication.
6. SDI - Serial data input for SPI communication.
7. SDO - Serial data output for SPI communication.
8. CS - Chip select for SPI communication.
The AD7797BRUZ is designed for precise measurement applications, featuring low noise and high accuracy, making it suitable for applications like weighing scales and industrial process control.

Manufacturer

The AD7797BRUZ is manufactured by Analog Devices, Inc. (ADI), a company specializing in high-performance analog, mixed-signal, and digital signal processing (DSP) integrated circuits. Founded in 1965, Analog Devices is known for its innovative solutions in various markets, including communications, automotive, industrial automation, healthcare, and consumer electronics. The company focuses on precision and performance, offering products that enable complex data processing and signal conversion. ADI's products are widely used in applications requiring high accuracy and reliability, making it a key player in the semiconductor industry.

Application

The AD7797BRUZ is a low-noise, 24-bit sigma-delta ADC widely used in precision measurement applications. Its primary application areas include industrial process control, medical instrumentation, sensor signal conditioning, and weighing systems. It is ideal for measuring low-level signals from temperature, pressure, and load sensors due to its high accuracy and low power consumption.

Equivalent

Equivalent products to the AD7797BRUZ include the Microchip MCP3471, Texas Instruments ADS124S08, and Maxim Integrated MAX11200. These alternatives offer similar functionalities such as precision analog-to-digital conversion, low power consumption, and compatibility with various sensor types. Always check specific features and requirements to ensure compatibility with your application.

Shipping

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Shipping Fee Reference (DHL/FedEx):

DHL: Shipping cost ranges from $25-$45 (0.5kg), with an estimated delivery time of 2-5 business days.

FedEx: Shipping cost ranges from $25-$40 (0.5kg), with an estimated delivery time of 3-7 business days.

UPS: Shipping cost ranges from $25-$45 (0.5kg), with an estimated delivery time of 3-7 business days.

TNT: Shipping cost ranges from $25-$65 (0.5kg), with an estimated delivery time of 3-7 business days.

EMS: Shipping cost ranges from $30-$50 (0.5kg), with an estimated delivery time of 7-15 business days.

Registered Air Mail: Shipping cost is $2-$4 (0.1kg), with an estimated delivery time of 5-20 business days.

Payments

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