AD7843ARUZ-REEL7

Product Overview

Category

The AD7843ARUZ-REEL7 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 AD7843ARUZ-REEL7 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 AD7843ARUZ-REEL7 provides rapid conversion rates, enabling real-time data processing.
• Wide voltage range: It can operate within a wide voltage range, making it suitable for diverse applications.
• Small package size: The IC is available in a compact package, allowing for space-saving designs.

Package

The AD7843ARUZ-REEL7 is typically packaged in a small outline integrated circuit (SOIC) package.

Essence

The essence of the AD7843ARUZ-REEL7 lies in its ability to convert analog signals into digital data accurately and efficiently.

Packaging/Quantity

This IC is usually supplied in reels, with each reel containing a specific quantity of units. The exact quantity may vary depending on the manufacturer's specifications.

Specifications

• Resolution: The AD7843ARUZ-REEL7 offers a resolution of 12 bits.
• Input Voltage Range: It supports an input voltage range of -5V to +5V.
• Conversion Time: The typical conversion time is 10 microseconds.
• Operating Temperature Range: This IC can operate within a temperature range of -40°C to +85°C.
• Supply Voltage: The recommended supply voltage is +5V.

Detailed Pin Configuration

The AD7843ARUZ-REEL7 has a total of 28 pins. The pin configuration is as follows:

1. VDD: Positive power supply
2. VREF: Reference voltage input
3. AGND: Analog ground
4. VIN1: Analog input channel 1
5. VIN2: Analog input channel 2
6. VIN3: Analog input channel 3
7. VIN4: Analog input channel 4
8. VIN5: Analog input channel 5
9. VIN6: Analog input channel 6
10. VIN7: Analog input channel 7
11. VIN8: Analog input channel 8
12. DGND: Digital ground
13. CS: Chip select input
14. RD: Read data output
15. WR: Write control input
16. BUSY: Conversion in progress indicator
17. D0-D11: Digital data outputs
18. REFOUT: Reference voltage output
19. VLOGIC: Logic power supply
20. RESET: Reset control input 21-28. NC: No connection

Functional Features

The AD7843ARUZ-REEL7 offers the following functional features:

1. High-resolution conversion: It provides accurate analog-to-digital conversion with a resolution of 12 bits.
2. Multiplexed inputs: The IC supports multiple analog input channels, allowing for versatile signal processing.
3. Serial interface: It utilizes a serial interface for communication with external devices, enabling easy integration into various systems.
4. On-chip reference: The AD7843ARUZ-REEL7 includes an on-chip reference voltage source, eliminating the need for an external reference.
5. Low power consumption: This IC is designed to operate efficiently with low power consumption, making it suitable for battery-powered applications.

Advantages and Disadvantages

Advantages

• High precision conversion ensures accurate measurement and control.
• Fast conversion speed enables real-time data processing.
• Wide voltage range allows for versatile applications.
• Compact package size facilitates space-saving designs.
• Low power consumption prolongs battery life in portable devices.

Disadvantages

• Limited number of analog input channels may restrict certain applications.
• Higher cost compared to lower-resolution ADC alternatives.
• Sensitivity to noise and interference may require additional filtering measures.

Working Principles

The AD7843ARUZ-REEL7 operates based on the successive approximation method. It converts analog signals into digital data by comparing the input voltage with a reference voltage and determining the closest digital representation. The IC utilizes an internal clock to control the conversion process, which involves a series of comparisons and adjustments until the most accurate digital value is obtained.

Detailed Application Field Plans

The AD7843ARUZ-REEL7 finds applications in various fields, including:

1. Industrial automation: Used for precise measurement and control in industrial processes.
2. Medical equipment: Enables accurate data acquisition in medical devices such as patient monitors.
3. Test and measurement instruments: Provides high-resolution analog-to-digital conversion for accurate