AD7794BRUZ

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AD7794BRUZ

IC ADC 24BIT SIGMA-DELTA 24TSSOP

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  • Fr. Teil #AD7794BRUZ
  • Paket TSSOP-24
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Spezifikationen

Package Bulk,Tube
ProductStatus Active
NumberofBits 24
SamplingRate(PerSecond) 470
NumberofInputs 6
InputType Differential
DataInterface SPI, DSP
Configuration MUX-ADC
NumberofA/DConverters 1
Architecture Sigma-Delta
ReferenceType External, Internal
Voltage-SupplyAnalog 2.7V ~ 5.25V
Voltage-SupplyDigital 2.7V ~ 5.25V
Features PGA, Temperature Sensor
OperatingTemperature -40°C ~ 105°C
Package/Case 24-TSSOP (0.173, 4.40mm Width)
SupplierDevicePackage 24-TSSOP

Übersicht

Description

The AD7794BRUZ is a precision, low-power, 24-bit analog-to-digital converter (ADC) from Analog Devices, designed for applications requiring high accuracy and low noise. It features a differential input configuration, making it ideal for measuring low-level signals from sensors, such as thermocouples and strain gauges. The device operates with a supply voltage range of 2.7V to 5.25V and offers a programmable gain amplifier (PGA) with gain settings up to 128, enabling it to accommodate a wide range of input signal levels.
Key features include an integrated reference voltage, flexible sampling rates (up to 470 Hz), and a serial interface (SPI-compatible) for easy communication with microcontrollers. The AD7794 also has built-in diagnostics and self-test capabilities, enhancing its reliability in critical measurements. Its low power consumption makes it suitable for battery-operated devices. Overall, the AD7794BRUZ is an excellent choice for applications in industrial, medical, and process control fields where precision and reliability are paramount.

Features

The AD7794BRUZ is a low-power, 24-bit sigma-delta analog-to-digital converter (ADC) designed for precision measurement applications. Key features include:
- Input Channels: Dual differential inputs, configurable for various sensor types.
- Resolution: 24-bit resolution with programmable gain.
- Data Rate: Supports data rates up to 470 SPS (samples per second).
- Low Noise: Achieves low noise performance, ideal for low-level signal measurement.
- Built-in Reference: Integrated bandgap reference simplifies design.
- Interface: Serial interface compatible with SPI, allowing easy communication with microcontrollers.
- Power Supply: Operates on a single supply voltage of 2.7V to 5.25V.
- Low Power Consumption: Ultra-low power operation, making it suitable for battery-powered applications.
- Overvoltage Protection: Built-in protection against input overvoltage conditions.
- Temperature Range: Industrial temperature range of -40°C to +85°C.
These features make the AD7794BRUZ suitable for applications in industrial process control, medical instrumentation, and data acquisition systems.

Package

The AD7794BRUZ is packaged in a 24-lead TSSOP (Thin Shrink Small Outline Package) with a body size of 4.4 mm x 6.5 mm.

Pinout

The AD7794BRUZ is a 24-bit sigma-delta analog-to-digital converter (ADC) with a total of 20 pins. It features a variety of functions tailored for precision measurements. Key pins include:
1. VDD: Power supply for the ADC.
2. AVDD: Analog power supply.
3. AGND: Analog ground.
4. AIN+ / AIN-: Input pins for differential signal measurements.
5. CS: Chip select for SPI communication.
6. SCLK: Serial clock for SPI interface.
7. SDO: Serial data output.
8. SDI: Serial data input.
9. REFIN+/REFIN-: Reference voltage input pins for accurate measurements.
10. GPIO: General-purpose input/output pins for additional functionalities, such as interrupt signals.
The device is suitable for applications requiring high accuracy and low noise, including industrial process control and medical instrumentation.

Manufacturer

The AD7794BRUZ is manufactured by Analog Devices, Inc. (ADI), a global leader in the field of analog, mixed-signal, and digital signal processing (DSP) integrated circuits. Founded in 1965, ADI specializes in high-performance semiconductor solutions that enable a wide range of applications, including industrial automation, automotive systems, telecommunications, and consumer electronics. The company is known for its innovation in signal processing technology and provides a comprehensive portfolio of products, including amplifiers, converters, and sensors. ADI is headquartered in Norwood, Massachusetts, and serves customers worldwide, focusing on delivering high-quality, reliable solutions that address complex engineering challenges.

Application

The AD7794BRUZ is a low-power, 24-bit sigma-delta ADC used in various applications, including industrial process control, medical instrumentation, and portable medical devices. Its high accuracy makes it suitable for sensing applications like strain gauges, thermocouples, and load cells. Additionally, it is used in weight scales, environmental monitoring, and data acquisition systems due to its ability to handle low-level signals and provide precise measurements.

Equivalent

The AD7794BRUZ is a precision, low-power, 24-bit sigma-delta ADC. Equivalent products include the MAX11131 from Maxim Integrated, the LTC2415 from Analog Devices, and the MCP3564 from Microchip. Each of these alternatives offers similar resolution and performance characteristics suited for low-noise applications. Always check specific features and compatibility for your application requirements.

Versand

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Versandgebührenreferenz (DHL/FedEx):

DHL: Versandkosten reichen von $25-$45 (0.5kg), mit einer geschätzten Lieferzeit von 2-5 Werktagen.

von FedEx: Versandkosten reichen von $25-$40 (0.5kg), mit einer geschätzten Lieferzeit von 3-7 Werktagen.

UPS: Versandkosten reichen von $25-$45 (0.5kg), mit einer geschätzten Lieferzeit von 3-7 Werktagen.

TNT: Versandkosten reichen von $25-$65 (0.5kg), mit einer geschätzten Lieferzeit von 3-7 Werktagen.

EMS: Versandkosten reichen von $30-$50 (0.5kg), mit einer geschätzten Lieferzeit von 7-15 Werktagen.

Registrierte Luftpost: Versandkosten sind $ 2- $ 4 (0,1 kg), mit einer geschätzten Lieferzeit von 5-20 Werktagen.

Zahlungen

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