AD7887BRZ-REEL7

Product Overview

Category

AD7887BRZ-REEL7 belongs to the category of analog-to-digital converters (ADCs).

Use

This product is primarily used for converting analog signals into digital format, making it suitable for various applications in industries such as telecommunications, industrial automation, and medical devices.

Characteristics

• High-resolution: The AD7887BRZ-REEL7 offers a resolution of 12 bits, ensuring accurate conversion of analog signals.
• Fast conversion rate: With a maximum sampling rate of 1 MSPS (Mega Samples Per Second), this ADC can handle high-speed signal processing requirements.
• Low power consumption: The device operates at low power levels, making it energy-efficient and suitable for battery-powered applications.
• Wide input voltage range: It supports a wide input voltage range, allowing it to handle a variety of signal amplitudes.
• Small package size: The AD7887BRZ-REEL7 comes in a compact package, enabling space-saving designs.

Package and Quantity

The AD7887BRZ-REEL7 is available in a small outline integrated circuit (SOIC) package. It is typically supplied in reels containing a quantity of 250 units.

Specifications

• Resolution: 12 bits
• Sampling Rate: Up to 1 MSPS
• Input Voltage Range: ±VREF
• Power Supply: 2.7V to 5.25V
• Operating Temperature Range: -40°C to +85°C
• Package Type: SOIC
• Package Dimensions: 3.9mm x 8.65mm

Pin Configuration

The AD7887BRZ-REEL7 has a total of 8 pins arranged as follows:

```

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| | --| VDD |-- --| VREF |-- --| AGND |-- --| VIN |-- --| CS |-- --| SCLK |-- --| SDATA |-- |_______| ```

Functional Features

• High accuracy: The AD7887BRZ-REEL7 provides precise conversion of analog signals, ensuring minimal distortion and high fidelity.
• Serial interface: It features a serial peripheral interface (SPI) for easy integration with microcontrollers and other digital systems.
• Internal reference voltage: The device includes an internal voltage reference, eliminating the need for an external reference source.
• Low noise: The ADC incorporates noise reduction techniques, resulting in clean and reliable digital output.

Advantages and Disadvantages

Advantages

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

Disadvantages

• Limited to 12-bit resolution (may not be suitable for applications requiring higher precision)
• Requires an external microcontroller or digital system for data processing and analysis

Working Principles

The AD7887BRZ-REEL7 operates on the principle of successive approximation. It samples the analog input voltage and compares it to an internal reference voltage. By iteratively adjusting the comparison, it determines the digital representation of the input signal.

Application Field Plans

The AD7887BRZ-REEL7 finds application in various fields, including: 1. Telecommunications: Used in communication systems for signal processing and modulation/demodulation tasks. 2. Industrial Automation: Enables precise measurement and control of analog signals in industrial processes. 3. Medical Devices: Utilized in medical equipment for accurate data acquisition and monitoring vital signs. 4. Test and Measurement: Suitable for test equipment and data acquisition systems requiring high-speed and accurate analog-to-digital conversion.

Alternative Models

For those seeking alternative options, the following models can be considered: - AD7887BRZ: Similar to AD7887BRZ-REEL7 but supplied in tubes instead of reels. - AD7887BRZ-RL: A version with extended temperature range (-40°C to +125°C). - AD7887BRZ-REEL: Same as AD7887BRZ-REEL7 but supplied in a larger reel quantity (1000 units).

In conclusion, the AD7887BRZ-REEL7 is a high-resolution analog-to-digital converter with fast conversion rate and low power consumption. Its compact package and wide input voltage range make it suitable for various applications. However, it has limitations in terms of resolution and requires external data processing.