AD7845KRZ-REEL

Product Overview

Category

The AD7845KRZ-REEL belongs to the category of integrated circuits (ICs).

Use

This IC is commonly used in various electronic devices for analog-to-digital conversion.

Characteristics

• High precision: The AD7845KRZ-REEL offers high-resolution analog-to-digital conversion, ensuring accurate measurement and control.
• Low power consumption: This IC is designed to operate efficiently with minimal power consumption.
• Fast conversion speed: The AD7845KRZ-REEL provides rapid conversion rates, enabling real-time data acquisition.
• Wide operating voltage range: It can operate within a wide range of supply voltages, making it suitable for diverse applications.

Package

The AD7845KRZ-REEL is available in a small form factor package, allowing for easy integration into compact electronic systems.

Essence

The essence of the AD7845KRZ-REEL lies in its ability to convert analog signals into digital data, facilitating precise measurements and control in electronic devices.

Packaging/Quantity

This IC is typically packaged in reels, containing a specific quantity of units per reel. The exact quantity may vary depending on the manufacturer's specifications.

Specifications

• Resolution: The AD7845KRZ-REEL offers a resolution of 12 bits, providing high accuracy in digitizing analog signals.
• Input Voltage Range: It supports an input voltage range of -Vref to +Vref, allowing for versatile signal conversion.
• Conversion Time: The typical conversion time for this IC is 2.5 microseconds, ensuring fast and efficient data acquisition.
• Operating Temperature Range: The AD7845KRZ-REEL can operate within a temperature range of -40°C to +85°C, making it suitable for various environmental conditions.
• Supply Voltage: It requires a supply voltage ranging from 2.7V to 5.25V.

Detailed Pin Configuration

The AD7845KRZ-REEL has a total of 20 pins, each serving a specific function. The pin configuration is as follows:

1. VDD: Power supply voltage input
2. VREF: Reference voltage input
3. AGND: Analog ground
4. REFOUT: Reference output
5. DGND: Digital ground
6. DB0-DB11: Digital data bus
7. CS: Chip select input
8. RD: Read control input
9. WR: Write control input
10. A0-A3: Address inputs
11. BUSY: Conversion in progress indicator
12. RESET: Reset control input
13. OUT0-OUT11: Analog output channels

Functional Features

• High-resolution conversion: The AD7845KRZ-REEL provides accurate analog-to-digital conversion with its 12-bit resolution.
• Multiple input channels: It supports up to 12 analog input channels, allowing for versatile signal acquisition.
• Serial interface: This IC utilizes a serial interface for communication, enabling easy integration into digital systems.
• On-chip reference: The AD7845KRZ-REEL includes an on-chip reference voltage source, eliminating the need for external references.
• Low power consumption: It operates with low power consumption, making it suitable for battery-powered applications.

Advantages and Disadvantages

Advantages

• High precision conversion
• Fast conversion speed
• Wide operating voltage range
• Compact package size
• Integrated reference voltage source

Disadvantages

• Limited number of analog input channels
• Requires external control signals for operation

Working Principles

The AD7845KRZ-REEL operates based on the successive approximation method for analog-to-digital conversion. It samples the analog input voltage, compares it with the internal reference voltage, and performs a binary search to determine the digital representation of the input signal. This process is repeated for each channel, providing accurate digital data corresponding to the analog inputs.

Detailed Application Field Plans

The AD7845KRZ-REEL finds applications in various fields, including: 1. Industrial automation: It can be used for precise measurement and control in industrial processes. 2. Medical devices: The IC enables accurate data acquisition in medical equipment such as patient monitors and diagnostic instruments. 3. Test and measurement equipment: It is suitable for high-precision data acquisition in laboratory and testing environments. 4. Communication systems: The AD7845KRZ-REEL can be utilized in communication systems for signal processing and modulation.

Detailed and Complete Alternative Models

1. AD7865KRZ-REEL: Similar to the AD7845KRZ-REEL, this IC offers 12-bit resolution and multiple analog input channels.
2. AD7685KRZ-REEL: This alternative model provides higher resolution with 16 bits and supports a wider supply voltage range.
3. AD7825KRZ