AD7789BRMZ

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AD7789BRMZ

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IC ADC 19BIT SIGMA-DELTA 10MSOP

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Thông số kỹ thuật

thuộc tính Giá trị
Package Bulk,Tube
ProductStatus Active
NumberofBits 24
SamplingRate(PerSecond) 16.6
NumberofInputs 1
InputType Differential
DataInterface SPI, DSP
Configuration ADC
NumberofA/DConverters 1
Architecture Sigma-Delta
ReferenceType External
Voltage-SupplyAnalog 2.5V ~ 5.25V
Voltage-SupplyDigital 2.5V ~ 5.25V
OperatingTemperature -40°C ~ 85°C
Package/Case 10-TFSOP, 10-MSOP (0.118, 3.00mm Width)
SupplierDevicePackage 10-MSOP

Tổng quan

Description

The AD7789BRMZ is a low-power, precision analog-to-digital converter (ADC) from Analog Devices. It is part of the AD7789 series and is designed for applications requiring high resolution and precision. This ADC provides a 16-bit resolution with an integrated low-noise instrumentation amplifier, making it suitable for measuring small sensor signals. It operates on a low power consumption level, ideal for battery-powered devices.
The AD7789BRMZ features a single differential input channel and supports an SPI-compatible serial interface, which simplifies communication with microcontrollers or other digital devices. It offers a programmable gain amplifier (PGA) with selectable gains, allowing for signal amplification as needed. The device operates from a single 2.7 V to 5.25 V power supply, enhancing flexibility for various applications.
Its design emphasizes reduced system cost and increased performance in precision measurement applications such as weigh scales, temperature measurement, and pressure sensors. The compact MSOP package makes it suitable for space-constrained applications. Overall, the AD7789BRMZ is appreciated for its precision, low power usage, and ease of integration.

Equivalent

The AD7789BRMZ is a precision analog-to-digital converter (ADC). Equivalent products might include:
1. MCP3550 from Microchip Technology.
2. LTC2400 from Analog Devices (formerly Linear Technology).
3. MAX11200 from Maxim Integrated (now Analog Devices).
These are similar in terms of precision and application but may vary in specifications like resolution, power consumption, or additional features. Always verify the specific requirements of your application when selecting replacements.

Features

The AD7789BRMZ is a high precision, low power, 24-bit sigma-delta analog-to-digital converter (ADC) designed for sensor measurement applications. Key features include:
1. High Resolution and Precision: Offers 24-bit resolution, suitable for precision measurement tasks.
2. Low Power Consumption: Optimized for battery-powered and portable applications.
3. Programmable Gain Amplifier (PGA): Includes an integrated PGA with selectable gains, enhancing flexibility in various applications.
4. Single-Channel Input: Supports single differential input.
5. Low Noise: Provides excellent noise performance, crucial for accurate data acquisition.
6. Flexible Output Data Rate: Allows selection of output data rates to cater to different application needs.
7. Serial Peripheral Interface (SPI): Facilitates easy communication with microcontrollers and other digital systems.
8. Small Package: Available in a compact MSOP package, ideal for space-constrained designs.
9. Wide Supply Range: Operates over a wide supply voltage range, increasing versatility.
These features make the AD7789BRMZ well-suited for applications such as industrial process control, weigh scales, and portable instrumentation.

Pinout

The AD7789BRMZ is a 16-bit, low power sigma-delta analog-to-digital converter (ADC) produced by Analog Devices. It comes in an 8-lead MSOP (Mini Small Outline Package) and an 8-lead LFCSP (Lead Frame Chip Scale Package).
The pin configuration and function for the MSOP/LFCSP package are as follows:
1. VDD: Power supply pin.
2. GND: Ground reference point for all circuitry.
3. AIN(+) / REFIN(+): Positive Analog Input or Positive Reference Input.
4. AIN(-) / REFIN(-): Negative Analog Input or Negative Reference Input.
5. SCLK: Serial Clock input for data communication.
6. DIN: Data Input for communicating with the ADC.
7. DOUT/RDY: Data Output and Ready signal pin, used for transferring data and indicating data readiness.
8. CS: Chip Select, used to activate the device for communication.
The AD7789 is designed for low power applications and is suitable for precision measurement in battery-powered devices and sensor interfaces.

Manufacturer

The AD7789BRMZ is manufactured by Analog Devices, Inc. Analog Devices is a multinational semiconductor company that specializes in the design and manufacture of analog, mixed-signal, and digital signal processing (DSP) integrated circuits. These components are used in a wide range of electronic equipment and systems, including those in the aerospace, automotive, healthcare, communications, and industrial sectors. The company is known for its high-performance data conversion and signal processing technologies, which are critical in applications requiring precision and reliability.

Application

The AD7789BRMZ is a low-power, 24-bit sigma-delta ADC designed for precision measurement applications. Its primary application areas include:
1. Industrial Process Control: Used for accurate temperature, pressure, and flow measurements in industrial settings.
2. Weigh Scales: Suitable for high-resolution weight measurement in digital weigh scales.
3. Medical Instrumentation: Utilized in medical devices for precise sensor data acquisition.
4. Portable Instrumentation: Ideal for battery-powered devices requiring low power and high resolution.
5. Environmental Monitoring: Employed in systems monitoring environmental conditions like air quality and atmospheric pressure.
These applications leverage the AD7789BRMZ’s high accuracy, low noise, and low power consumption features.

Package

The AD7789BRMZ is a precision analog-to-digital converter (ADC) from Analog Devices. It comes in an MSOP (Mini Small Outline Package) with 10 pins. This surface-mount package is compact, making it suitable for applications where space is limited.

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