AD7887BR-REEL7

Product Overview

Category

AD7887BR-REEL7 belongs to the category of analog-to-digital converters (ADCs).

Use

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

Characteristics

• High resolution: AD7887BR-REEL7 offers a resolution of 12 bits.
• Fast conversion rate: It can perform conversions at a rate of up to 1 MSPS (Mega Samples Per Second).
• Low power consumption: The device operates on low power, making it suitable for battery-powered applications.
• Wide input voltage range: AD7887BR-REEL7 can handle input voltages ranging from 0V to Vref.

Package

The AD7887BR-REEL7 comes in a small form factor package, which is easy to integrate into various electronic systems.

Essence

The essence of AD7887BR-REEL7 lies in its ability to accurately convert analog signals into digital format, enabling further processing and analysis.

Packaging/Quantity

The product is typically packaged in reels containing a specific quantity of units. The exact packaging and quantity may vary depending on the supplier.

Specifications

• Resolution: 12 bits
• Conversion Rate: Up to 1 MSPS
• Input Voltage Range: 0V to Vref
• Power Supply: 2.7V to 5.25V
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The AD7887BR-REEL7 has the following pin configuration:

1. VDD: Power supply voltage
2. VREF: Reference voltage for ADC conversion
3. AGND: Analog ground
4. REFOUT: Buffered reference output
5. VIN: Analog input voltage
6. DOUT: Digital output
7. DIN: Digital input
8. CS: Chip select
9. SCLK: Serial clock
10. SDO: Serial data output

Functional Features

• High-resolution conversion: AD7887BR-REEL7 provides accurate 12-bit digital representation of analog signals.
• Fast conversion rate: It can perform conversions at a rate of up to 1 MSPS, allowing for real-time data acquisition.
• Low power consumption: The device operates on low power, making it suitable for battery-powered applications.
• Wide input voltage range: AD7887BR-REEL7 can handle a wide range of input voltages, providing flexibility in various applications.

Advantages and Disadvantages

Advantages

• High resolution ensures precise conversion of analog signals.
• Fast conversion rate enables real-time data acquisition.
• Low power consumption extends battery life in portable devices.
• Wide input voltage range allows for versatile application usage.

Disadvantages

• Limited to 12-bit resolution, which may not be sufficient for certain high-precision applications.
• Requires external reference voltage for accurate conversion.

Working Principles

AD7887BR-REEL7 utilizes the successive approximation register (SAR) architecture for analog-to-digital conversion. It samples the analog input voltage and compares it with a reference voltage using a binary search algorithm. The conversion result is then provided as a digital output.

Detailed Application Field Plans

AD7887BR-REEL7 finds applications in various fields, including but not limited to: - Industrial automation - Medical equipment - Test and measurement instruments - Data acquisition systems - Audio processing

Detailed and Complete Alternative Models

Some alternative models to AD7887BR-REEL7 include: - AD7887BRZ: Similar specifications, but available in a different package. - AD7887BRUZ: Offers extended temperature range compared to AD7887BR-REEL7. - AD7887BRZ-RL: Available in a reel packaging for high-volume production.

These alternative models provide similar functionality and can be considered based on specific application requirements.

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