AD7291BCPZ

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AD7291BCPZ

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IC ADC 12BIT SAR 20LFCSP

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Thông số kỹ thuật

thuộc tính Giá trị
Package Tray
ProductStatus Active
NumberofBits 12
SamplingRate(PerSecond) 22.22k
NumberofInputs 8
InputType Single Ended
DataInterface I²C
Configuration MUX-S/H-ADC
Ratio-S/H:ADC 1:1
NumberofA/DConverters 1
Architecture SAR
ReferenceType External, Internal
Voltage-SupplyAnalog 2.8V ~ 3.6V
Voltage-SupplyDigital 2.8V ~ 3.6V
Features Selectable Address, Temperature Sensor
OperatingTemperature -40°C ~ 125°C
Package/Case 20-WFQFN Exposed Pad, CSP
SupplierDevicePackage 20-LFCSP (4x4)

Tổng quan

Description

The AD7291BCPZ is an integrated circuit produced by Analog Devices, designed as a 12-bit, low-power, and high-speed analog-to-digital converter (ADC) with an I2C-compatible interface. It features an eight-channel multiplexer and is capable of converting analog signals into digital data efficiently. The device operates with a single 3.3V power supply, making it suitable for a wide range of applications that require low power consumption.
Key features include an on-chip temperature sensor, which allows it to monitor ambient temperature, and a programmable sequencer that enables flexible channel selection. It also supports a conversion rate of up to 1 MSPS (million samples per second), making it ideal for applications requiring fast signal processing. The AD7291BCPZ is commonly used in industrial, automotive, and communications systems, where accurate and efficient data acquisition is critical. Its compact package and robust performance make it a popular choice for designers looking to implement ADC functionality in space-constrained or power-sensitive environments.

Equivalent

The AD7291BCPZ is an 8-channel, 12-bit ADC with an on-chip temperature sensor, manufactured by Analog Devices. Equivalent products might include the Texas Instruments ADS7828, the Microchip MCP3208, or the Maxim Integrated MAX11629. Each of these alternatives offers similar multi-channel ADC functions, though specific features and performance can vary, so it's important to compare datasheets to ensure compatibility with your requirements. Always verify electrical and package compatibility before selecting a substitute.

Features

The AD7291BCPZ is an 8-channel, 12-bit, low power, successive approximation register (SAR) analog-to-digital converter (ADC) from Analog Devices. Key features include:
1. Channels: 8 multiplexed single-ended analog inputs.
2. Resolution: 12-bit.
3. Conversion Rate: Up to 1 MSPS (mega samples per second).
4. Operating Voltage: 2.8 V to 3.6 V supply range.
5. Temperature Sensor: Integrated on-chip temperature sensor with ±2°C accuracy.
6. I2C Interface: Compatible with standard, fast, and high-speed I2C interface modes.
7. Low Power: Power-efficient design, suitable for battery-powered applications.
8. Input Range: 0 to VDD (full scale).
9. Sequencer: Programmable channel sequencer for flexible configuration.
10. Package: 20-lead LFCSP (Lead Frame Chip Scale Package).
These features make it suitable for applications requiring multiple analog input channels, high-speed data acquisition, and low power consumption, such as portable medical equipment, industrial control systems, and battery-operated devices.

Pinout

The AD7291BCPZ is an analog-to-digital converter (ADC) with a 12-bit resolution. It features an 8-channel input multiplexer and is designed for use in applications that require accurate temperature and voltage measurement. The device is housed in a 20-lead LFCSP (Lead Frame Chip Scale Package).
Regarding pin count, the AD7291BCPZ has 20 pins. Key functions of the pins include:
- Analog Inputs (AIN0 to AIN7): 8 analog input channels for voltage measurements.
- VDD: Power supply pin.
- GND: Ground pin.
- REFIN/REFOUT: Reference input/output pin for external reference voltage.
- SDA: Serial data line for I²C communication.
- SCL: Serial clock line for I²C communication.
- ALERT/BUSY: Configurable pin for alert functionality or indicating ADC busy status.
- GPIO1/GPIO2: General-purpose input/output pins.
- ADDR: Address pin to set I²C address.
These features allow the AD7291BCPZ to interface effectively with microcontrollers or digital signal processors for various monitoring and control applications.

Manufacturer

The AD7291BCPZ is manufactured by Analog Devices, Inc. Analog Devices is a multinational semiconductor company known for its production of analog, mixed-signal, and digital signal processing (DSP) integrated circuits. The company's products are widely used in various electronics, including industrial equipment, automotive systems, communications infrastructure, consumer electronics, and healthcare devices. Analog Devices is recognized for its innovation and high-quality components, particularly in the areas of data conversion and signal processing.

Application

The AD7291BCPZ is an 8-channel, 12-bit analog-to-digital converter (ADC) with on-chip temperature sensor, designed for various applications. Its application areas include:
1. Industrial Process Control: Monitoring and control of industrial machinery and systems.
2. Data Acquisition Systems: Used in systems requiring multiple analog inputs for data collection.
3. Battery-Powered Equipment: Suitable for portable devices due to low power consumption.
4. Temperature Monitoring: Integrated temperature sensor makes it ideal for thermal management.
5. Power Supply Monitoring: Can be used to monitor multiple power lines for voltage and current.
6. Automotive Systems: Suitable for applications requiring robust and reliable ADC performance.
These applications benefit from its precision, low power, and integrated features.

Package

The AD7291BCPZ is an analog-to-digital converter from Analog Devices, and it comes in a 20-lead LFCSP (Lead Frame Chip Scale Package).

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