AD7868BNZ

Product Overview

Category

AD7868BNZ belongs to the category of Analog-to-Digital Converters (ADCs).

Use

The AD7868BNZ is used for converting analog signals into digital data. It is commonly employed in various applications that require precise and accurate conversion of analog signals, such as industrial automation, medical equipment, and communication systems.

Characteristics

• High resolution: The AD7868BNZ offers a high-resolution conversion with up to 16 bits.
• Fast conversion rate: It provides a fast conversion rate of up to 1 MSPS (Mega Samples Per Second).
• Low power consumption: The ADC operates at low power, making it suitable for battery-powered devices.
• Wide input voltage range: It can handle a wide range of input voltages, allowing for versatile usage.
• Excellent linearity: The AD7868BNZ exhibits excellent linearity, ensuring accurate conversion results.
• Temperature stability: It maintains stable performance across a wide temperature range.

Package

The AD7868BNZ comes in a standard 28-pin plastic DIP (Dual Inline Package) or SOIC (Small Outline Integrated Circuit) package.

Essence

The essence of AD7868BNZ lies in its ability to convert analog signals into digital data accurately and efficiently.

Packaging/Quantity

The AD7868BNZ is typically available in reels or tubes, with a quantity of 1000 units per reel/tube.

Specifications

• Resolution: Up to 16 bits
• Conversion Rate: Up to 1 MSPS
• Input Voltage Range: ±10V
• Power Supply: +5V
• Operating Temperature Range: -40°C to +85°C
• Package Type: 28-pin DIP/SOIC

Detailed Pin Configuration

The AD7868BNZ has a total of 28 pins, each serving a specific function. The pin configuration is as follows:

1. VREF: Reference voltage input
2. AGND: Analog ground
3. VIN: Analog input voltage
4. VDD: Digital supply voltage
5. DGND: Digital ground
6. DOUT: Digital output data
7. SCLK: Serial clock input
8. CS: Chip select input
9. DIN: Serial data input
10. RD: Read control input
11. WR: Write control input 12-19: Address inputs (A0-A7) 20-27: Data inputs/outputs (D0-D7) 28: VLOGIC: Logic supply voltage

Functional Features

1. High-resolution Conversion

The AD7868BNZ offers high-resolution conversion up to 16 bits, ensuring accurate representation of analog signals.

2. Fast Conversion Rate

With a maximum conversion rate of 1 MSPS, the ADC can quickly process analog signals, making it suitable for real-time applications.

3. Low Power Consumption

The ADC operates at low power, making it energy-efficient and suitable for battery-powered devices or applications with power constraints.

4. Versatile Input Voltage Range

The AD7868BNZ can handle a wide range of input voltages, allowing for flexibility in various application scenarios.

5. Excellent Linearity

The ADC exhibits excellent linearity, minimizing distortion and ensuring precise conversion results.

6. Temperature Stability

The AD7868BNZ maintains stable performance across a wide temperature range, making it reliable in harsh operating conditions.

Advantages and Disadvantages

Advantages

• High resolution for accurate conversion
• Fast conversion rate for real-time applications
• Low power consumption for energy efficiency
• Wide input voltage range for versatility
• Excellent linearity for precise results
• Temperature stability for reliable performance

Disadvantages

• Limited to 16-bit resolution, may not be suitable for applications requiring higher precision
• Requires external components for proper operation and signal conditioning

Working Principles

The AD7868BNZ operates based on the successive approximation method. It samples the analog input voltage, compares it with a reference voltage, and generates a digital output representing the input voltage value. The conversion process is controlled by the internal clock and control signals.

Detailed Application Field Plans

The AD7868BNZ finds application in various fields, including:

1. Industrial Automation: Used for precise measurement and control of analog signals in industrial processes.
2. Medical Equipment: Enables accurate conversion of physiological signals for medical monitoring devices.
3. Communication Systems: Utilized for converting analog signals in communication systems, such as modems and wireless transceivers.
4. Test and Measurement Instruments: Provides high-resolution conversion for accurate data acquisition in test and measurement equipment.

Detailed and Complete Alternative Models

1. AD7869: Similar to AD7868BNZ but offers higher resolution (up to 18 bits).
2. AD768