AD7476ABKSZ-REEL

Product Overview

Category

The AD7476ABKSZ-REEL belongs to the category of analog-to-digital converters (ADCs).

Use

It is primarily used for converting analog signals into digital data in various applications.

Characteristics

• High precision: The AD7476ABKSZ-REEL offers high-resolution conversion, ensuring accurate representation of analog signals.
• Fast conversion rate: It provides a fast sampling rate, enabling real-time data acquisition.
• Low power consumption: This ADC is designed to operate with low power consumption, making it suitable for battery-powered devices.
• Small package size: The AD7476ABKSZ-REEL comes in a compact package, allowing for space-efficient integration into electronic systems.
• Wide input voltage range: It can handle a wide range of input voltages, accommodating diverse signal sources.

Package and Quantity

The AD7476ABKSZ-REEL is available in a small surface-mount package. It is typically supplied in reels containing a specific quantity, usually 250 or 1000 units per reel.

Specifications

• Resolution: 12 bits
• Sampling Rate: Up to 1 MSPS (mega samples per second)
• Input Voltage Range: ±Vref
• Power Supply: 2.7V to 5.25V
• Operating Temperature Range: -40°C to +85°C
• Interface: Serial Peripheral Interface (SPI)

Pin Configuration

The AD7476ABKSZ-REEL has a total of 8 pins arranged as follows:

┌───┬───┐ │ 1 │ 2 │ ───┼───┼───┼─── │ 3 │ 4 │ ───┼───┼───┼─── │ 5 │ 6 │ ───┼───┼───┼─── │ 7 │ 8 │ └───┴───┘

Pin Configuration: 1. VDD: Power supply voltage input 2. GND: Ground reference 3. CS: Chip select for SPI communication 4. SCLK: Serial clock for SPI communication 5. SDI: Serial data input for SPI communication 6. SDO: Serial data output for SPI communication 7. REF: Reference voltage input 8. AGND: Analog ground reference

Functional Features

• High-resolution conversion: The AD7476ABKSZ-REEL provides 12-bit resolution, ensuring accurate digitization of analog signals.
• Fast sampling rate: With a maximum sampling rate of 1 MSPS, it can capture rapid changes in the input signal.
• Low power consumption: This ADC is designed to minimize power consumption, making it suitable for battery-powered applications.
• Flexible interface: It utilizes the widely-used SPI interface, allowing easy integration with various microcontrollers and digital systems.
• Wide input voltage range: The AD7476ABKSZ-REEL supports a wide input voltage range, enabling compatibility with different signal sources.

Advantages and Disadvantages

Advantages

• High precision conversion
• Fast sampling rate
• Low power consumption
• Compact package size
• Wide input voltage range

Disadvantages

• Limited resolution compared to higher-end ADCs
• Requires an external reference voltage source

Working Principles

The AD7476ABKSZ-REEL operates based on the successive approximation register (SAR) architecture. It samples the analog input voltage and converts it into a digital representation using a binary search algorithm. The internal circuitry compares the input voltage with a reference voltage and iteratively determines the digital code that best represents the input signal.

Detailed Application Field Plans

The AD7476ABKSZ-REEL finds applications in various fields, including: 1. Industrial automation: It can be used for data acquisition in industrial control systems. 2. Medical devices: The ADC enables accurate measurement and monitoring of vital signs. 3. Communication systems: It is suitable for signal processing and modulation/demodulation applications. 4. Test and measurement equipment: The high precision and fast sampling rate make it ideal for test instruments. 5. Automotive electronics: It can be utilized in automotive systems for sensor data conversion.

Detailed and Complete Alternative Models

1. AD7476A: Similar to the AD7476ABKSZ-REEL but available in a different package.
2. AD7476B: A higher-resolution version of the AD7476 series, offering 16-bit resolution.
3. AD7478A: An alternative model with similar specifications but featuring a differential input configuration.
4. AD7091R: A low-power, 12-bit ADC with an integrated voltage reference.

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