AD7849BRZ-REEL

Product Overview

Category

The AD7849BRZ-REEL belongs to the category of integrated circuit (IC) chips.

Use

This IC chip is primarily used for analog-to-digital conversion in various electronic devices and systems.

Characteristics

• High precision: The AD7849BRZ-REEL offers high-resolution analog-to-digital conversion, ensuring accurate measurement and data acquisition.
• Low power consumption: This chip is designed to operate efficiently with minimal power consumption, making it suitable for battery-powered applications.
• Fast conversion speed: The AD7849BRZ-REEL provides rapid conversion rates, enabling real-time data processing.
• Wide voltage range: It can handle a wide input voltage range, allowing compatibility with different signal sources.
• Small form factor: The chip comes in a compact package, making it suitable for space-constrained designs.

Package

The AD7849BRZ-REEL is available in a small outline integrated circuit (SOIC) package.

Essence

The essence of the AD7849BRZ-REEL lies in its ability to convert analog signals into digital data with high precision and efficiency.

Packaging/Quantity

This IC chip is typically sold in reels containing a specific quantity, usually 250 or 1000 units per reel.

Specifications

• Resolution: 12 bits
• Input Voltage Range: 0V to Vref
• Conversion Time: 1.5 µs (typical)
• Operating Temperature Range: -40°C to +85°C
• Supply Voltage: 2.7V to 5.5V
• Power Consumption: 0.8 mW (typical)

Detailed Pin Configuration

The AD7849BRZ-REEL has a total of 16 pins, each serving a specific function. Here is the detailed pin configuration:

1. VDD: Power supply voltage input
2. VREF: Reference voltage input
3. AGND: Analog ground
4. REFOUT: Reference output voltage
5. D0-D11: Digital output pins (12-bit data)
6. CS: Chip select input
7. RD: Read control input
8. WR: Write control input
9. BUSY: Conversion status output
10. DGND: Digital ground
11. A0-A3: Address inputs
12. RESET: Reset control input
13. DB0-DB7: Data bus pins (8-bit parallel interface)
14. DB8-DB15: Data bus pins (8-bit parallel interface)
15. CLK: Clock input
16. INT/EXT: Interrupt/External reference selection

Functional Features

The AD7849BRZ-REEL offers the following functional features:

1. High-resolution conversion: The chip provides 12-bit analog-to-digital conversion, ensuring accurate representation of analog signals.
2. Parallel interface: It supports an 8-bit parallel interface for easy integration with microcontrollers and other digital systems.
3. On-chip reference: The AD7849BRZ-REEL includes an on-chip reference voltage source, eliminating the need for an external reference.
4. Conversion status indicator: The BUSY pin indicates the ongoing conversion process, allowing synchronization with other system operations.
5. Low power consumption: The chip is designed to operate efficiently with minimal power consumption, extending battery life in portable devices.

Advantages and Disadvantages

Advantages

• High precision conversion ensures accurate measurement and data acquisition.
• Fast conversion speed enables real-time data processing.
• Wide voltage range compatibility allows flexibility in signal sources.
• Low power consumption extends battery life in portable applications.
• Compact form factor suits space-constrained designs.

Disadvantages

• Limited resolution compared to higher-end ADCs.
• Lack of built-in digital filters may require additional external components for noise reduction.

Working Principles

The AD7849BRZ-REEL operates based on the successive approximation register (SAR) architecture. It converts analog input signals into digital data by comparing the input voltage with a reference voltage and iteratively adjusting the conversion process until the digital representation closely matches the analog input.

Detailed Application Field Plans

The AD7849BRZ-REEL finds applications in various fields, including:

1. Industrial automation: Used for precise measurement and control in industrial processes.
2. Medical devices: Enables accurate data acquisition in medical monitoring equipment.
3. Test and measurement instruments: Provides high-resolution conversion for accurate measurements.
4. Data acquisition systems: Used to convert analog sensor signals into digital data for analysis and processing.
5. Portable devices: Suitable for battery-powered applications such as handheld instruments and portable data loggers.

Detailed and Complete Alternative Models

1. AD7889BRZ-REEL: Similar to the AD7849BRZ-REEL but offers 14-bit resolution.
2. AD