AD7795BRUZ

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AD7795BRUZ

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IC ADC 16BIT SIGMA-DELTA 24TSSOP

  • Nhà sản xuấtCông ty Analog Devices Inc.

  • Ông. Phần #AD7795BRUZ

  • Gói TSSOP-24

  • Có sẵn3719

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Thông số kỹ thuật

thuộc tính Giá trị
Package Tube
ProductStatus Active
NumberofBits 16
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

Tổng quan

Description

The AD7795BRUZ is a high-precision, low-power analog-to-digital converter (ADC) from Analog Devices. It features a 3-channel, 16-bit, Σ-Δ ADC designed for low-frequency measurement applications. The AD7795 offers a low noise design, with a programmable gain amplifier (PGA) that allows gains of 1 to 128, enabling it to accommodate a wide range of input voltages. Its low power consumption makes it suitable for battery-operated devices.
The ADC operates from a single power supply of 2.7 V to 5.25 V, and its wide supply range allows for flexibility in various applications. The serial peripheral interface (SPI) provides easy integration with microcontrollers and digital systems. The device also includes on-chip calibration, internal clock generation, and burnout current sources for sensor diagnostics.
The AD7795 is particularly suitable for precision measurement applications such as weigh scales, temperature monitors, and pressure sensors, where high accuracy and low noise are critical. Its robust design and features enable it to function effectively in industrial and instrumentation applications.

Equivalent

The AD7795BRUZ is a low-power, precision analog-to-digital converter (ADC) from Analog Devices. Equivalent products from other manufacturers include:
1. TI ADS1232: A precision 24-bit ADC from Texas Instruments.
2. TI ADS1248: A 24-bit ADC with similar features.
3. Maxim MAX11200: A 24-bit low-power ADC from Maxim Integrated.
4. Microchip MCP3561R: A low-power 24-bit ADC with similar functionality.
These alternatives may vary slightly in specifications and features, so review datasheets for compatibility.

Features

The AD7795BRUZ is a low-power, low-noise, analog-to-digital converter (ADC) with the following key features:
1. Resolution: It offers a 24-bit sigma-delta ADC for high precision measurements.
2. Low Power Consumption: Designed for battery-powered applications, it has a very low current consumption.
3. Programmable Gain: It includes a programmable gain amplifier (PGA) with gains ranging from 1 to 128, making it versatile for different input signal ranges.
4. Channel Count: Supports three differential analog input channels.
5. Noise Performance: Provides excellent noise performance, making it suitable for applications requiring high accuracy.
6. Power Supply: Operates on a single supply voltage from 2.7V to 5.25V.
7. On-Chip Features: Includes an internal clock and temperature sensor for added functionality.
8. Interface: Features a SPI-compatible serial interface for easy integration with microcontrollers.
9. Temperature Range: Operates over an extended industrial temperature range of -40°C to +85°C.
10. Integrated Functions: Offers burnout current detection and programmable output data rates.
Overall, the AD7795BRUZ is well-suited for precision measurement applications such as weigh scales, pressure measurement, and temperature monitoring.

Pinout

The AD7795BRUZ is a low power, low noise, 3-channel, 16-bit sigma-delta analog-to-digital converter (ADC) from Analog Devices. It is designed for various sensor measurement applications. The device is housed in a 16-lead TSSOP (Thin Shrink Small Outline Package).
Here are the key pin functions:
1. AIN1(+) / AIN1(-): Differential analog input channels.
2. AIN2(+) / AIN2(-): Differential analog input channels.
3. AIN3(+) / AIN3(-): Differential analog input channels.
4. REFIN(+) / REFIN(-): Reference input pins.
5. VDD: Power supply input.
6. GND: Ground.
7. CS: Chip select for SPI interface.
8. SCLK: Serial clock for SPI interface.
9. DIN: Data input for SPI interface.
10. DOUT/RDY: Data output and ready signal for SPI interface.
11. RESET: Reset input used to reset the device.
These pins enable the AD7795 to interface with various external components and perform precise analog-to-digital conversion for sensor data acquisition.

Manufacturer

The AD7795BRUZ is manufactured by Analog Devices, Inc. Analog Devices is a multinational semiconductor company specializing in the design and manufacturing of analog, mixed-signal, and digital signal processing (DSP) integrated circuits. These products are used in a wide range of applications, including industrial, automotive, consumer electronics, communication, and healthcare sectors. The company is known for its high-performance analog technology and is a leader in the development of solutions for data conversion, signal processing, and power management.

Application

The AD7795BRUZ is a precision analog-to-digital converter (ADC) used in various applications requiring high accuracy and low noise. Key application areas include:
1. Industrial Process Control: Used for precise measurement and control in various industrial systems.
2. Weigh Scales: Provides high accuracy for load cell and weigh scale applications.
3. Medical Instrumentation: Suitable for medical devices requiring precise data acquisition.
4. Temperature Monitoring: Used in systems that require precise temperature measurements.
5. Pressure Measurement: Ideal for applications involving pressure sensors and transducers.
6. Strain Gauge and Bridge Measurements: Used in systems requiring accurate strain and bridge measurements.
These applications benefit from the ADC’s low noise and high precision features.

Package

The AD7795BRUZ is packaged in a TSSOP (Thin Shrink Small Outline Package) with 16 pins. This type of package is compact and suitable for surface-mount technology, making it ideal for applications where space is limited.

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