AD7799BRU

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AD7799BRU

IC ADC 24BIT SIGMA-DELTA 16TSSOP

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Spécifications

Part Status Obsolete
Base Product Number AD7799
Number of Bits 24
Sampling Rate (Per Second) 470
Number of Inputs 3
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
Operating Temperature -40°C ~ 105°C
Package 16-TSSOP (0.173", 4.40mm Width)
Supplier Device Package 16-TSSOP
Mounting Type Surface Mount
Packaging Tube

Vue d'ensemble

Description

The AD7799BRU is a high-performance, low-power, 24-bit sigma-delta analog-to-digital converter (ADC) designed for precision measurement applications. It features a built-in programmable gain amplifier (PGA) that allows for flexible input range adjustment, making it suitable for various sensor types, including thermocouples, load cells, and other transducers.
Operating on a single power supply, the AD7799BRU offers a digital output interface (SPI) for easy integration with microcontrollers and digital systems. Its low noise and high resolution enable accurate signal conversion, essential for applications in industrial automation, medical devices, and instrumentation.
Key specifications include a noise-free data output, selectable output data rates, and internal temperature sensing capabilities. The device is ideal for applications requiring precision, such as weighing scales, pressure sensors, and environmental monitoring systems. Overall, the AD7799BRU is a versatile solution for high-accuracy data acquisition and signal processing.

Features

The AD7799BRU is a high-performance, low-power, 24-bit sigma-delta analog-to-digital converter (ADC) designed for precision measurement applications. Key features include:
1. 24-Bit Resolution: Provides high accuracy for low-level signals.
2. Multiple Input Configurations: Supports differential and pseudodifferential inputs.
3. On-Chip Programmable Gain Amplifier (PGA): Offers gain settings of 1, 2, 4, 8, 16, and 32.
4. Low Noise: Achieves excellent noise performance, ideal for sensor applications.
5. Integrated Reference: Includes an internal voltage reference for ease of use.
6. Flexible Data Rate: Configurable output data rates (up to 470 SPS) for application-specific needs.
7. Serial Interface: SPI-compatible interface for easy communication with microcontrollers.
8. Low Power Consumption: Operates at low power, making it suitable for battery-powered devices.
9. Temperature Range: Designed for a wide operating temperature range, ensuring reliability in various environments.
These features make the AD7799BRU suitable for applications in industrial instrumentation, medical devices, and process control.

Package

The AD7799BRU is packaged in a 24-lead TSSOP (Thin Shrink Small Outline Package).

Pinout

The AD7799BRU is a 24-bit Sigma-Delta ADC (Analog-to-Digital Converter) with a total of 28 pins. Its primary function is to convert analog signals into digital form for precision measurement applications, such as in industrial and medical instrumentation.
Key pin functions include:
1. Analog Input Pins (AIN1, AIN2, AIN3): Inputs for the differential or single-ended signals being measured.
2. Reference Voltage Pins (VREF): Used for setting the reference voltage for ADC conversion.
3. Digital Interface Pins (SDO, SDI, SCLK, CS): For SPI communication to transfer data to and from the ADC.
4. Power Supply Pins (AVDD, DVDD, GND): Provide power to the ADC and ground connections.
5. Control Pins (RESET, PWDN): For resetting the device and putting it into power-down mode.
The AD7799BRU is designed for high accuracy and low noise in measurement applications.

Manufacturer

The AD7799BRU is manufactured by Analog Devices, Inc. (ADI), a leading global semiconductor company. Founded in 1965, Analog Devices specializes in designing and manufacturing analog, mixed-signal, and digital signal processing (DSP) integrated circuits. The company serves various industries, including automotive, healthcare, industrial automation, communications, and consumer electronics. ADI is known for its high-performance products used in applications that require precision and reliability, such as data acquisition systems, remote sensing, and signal processing. The AD7799 is a low-noise, low-drift, 24-bit analog-to-digital converter (ADC) designed for precision measurement applications, particularly in weighing scales and industrial process control.

Application

The AD7799BRU is a low-power, precision analog-to-digital converter (ADC) primarily used in applications such as industrial process control, medical instrumentation, weighing scales, and battery-powered devices. It is suitable for sensor applications, including strain gauges, thermocouples, and pressure sensors, due to its low noise and high accuracy. Additionally, it is often employed in data acquisition systems and portable instrumentation where precision measurements are critical.

Equivalent

The AD7799BRU is a precision, low-noise, delta-sigma ADC. Equivalent products include:
1. MCP3564 - Microchip's low-power, 24-bit ADC.
2. INA188 - Texas Instruments' precision instrumentation amplifier with ADC.
3. LTC2440 - Analog Devices' 24-bit delta-sigma ADC.
4. ADS1262 - Texas Instruments' 32-bit ADC with integrated PGA.
These alternatives offer similar specifications and functionalities for precision measurement applications.

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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