AD7998BRU-1

Product Overview

Category

The AD7998BRU-1 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 ADC with 8 input channels
• Low power consumption
• Wide operating voltage range
• Serial interface compatibility
• Small package size

Package

The AD7998BRU-1 is available in a small outline integrated circuit (SOIC) package.

Essence

The essence of the AD7998BRU-1 lies in its ability to accurately convert analog signals into digital data, making it suitable for various applications.

Packaging/Quantity

The AD7998BRU-1 is typically packaged in reels and is available in quantities specified by the manufacturer.

Specifications

• Resolution: 12 bits
• Input Channels: 8
• Operating Voltage Range: 2.7V to 5.5V
• Interface: I2C-compatible serial interface
• Conversion Time: 3.5 µs per channel
• Power Consumption: 0.6 mW at 3.3V
• Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The AD7998BRU-1 has a total of 16 pins. The pin configuration is as follows:

1. VDD: Power supply voltage
2. GND: Ground reference
3. ADDR: Address selection pin
4. SDA: Serial data input/output
5. SCL: Serial clock input
6. ALERT: Interrupt output
7. AIN0: Analog input channel 0
8. AIN1: Analog input channel 1
9. AIN2: Analog input channel 2
10. AIN3: Analog input channel 3
11. AIN4: Analog input channel 4
12. AIN5: Analog input channel 5
13. AIN6: Analog input channel 6
14. AIN7: Analog input channel 7
15. REF: Reference voltage input
16. VIO: Digital I/O supply voltage

Functional Features

• High-resolution conversion for accurate data acquisition
• Multiple input channels for versatile signal processing
• Low power consumption for energy-efficient applications
• Wide operating voltage range for compatibility with various systems
• Serial interface allows easy integration with microcontrollers and other devices

Advantages and Disadvantages

Advantages

• High resolution ensures precise analog-to-digital conversion
• Multiple input channels enable simultaneous data acquisition from different sources
• Low power consumption extends battery life in portable applications
• Wide operating voltage range enhances compatibility with different systems
• Serial interface simplifies integration with microcontrollers and other devices

Disadvantages

• Limited to 8 input channels, which may not be sufficient for certain applications requiring more inputs
• Requires an external reference voltage for accurate conversions

Working Principles

The AD7998BRU-1 operates by sampling the analog input signals and converting them into digital data using a successive approximation register (SAR) architecture. The converted digital data is then transmitted through the serial interface for further processing or storage.

Detailed Application Field Plans

The AD7998BRU-1 can be used in various applications, including but not limited to: - Industrial automation - Data acquisition systems - Medical equipment - Instrumentation and measurement devices - Consumer electronics

Detailed and Complete Alternative Models

Some alternative models to the AD7998BRU-1 include: - ADS1115: 16-bit ADC with 4 input channels - MCP3008: 10-bit ADC with 8 input channels - MAX11612: 16-bit ADC with 12 input channels

These alternative models offer different resolutions, input channel counts, and features, allowing users to choose the most suitable option for their specific requirements.

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