AD7998BRUZ-0REEL

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Analog-to-Digital Converter (ADC)
• Characteristics: High-resolution, low-power, 8-channel ADC
• Package: 24-pin TSSOP package
• Essence: Converts analog signals into digital data
• Packaging/Quantity: Tape and reel packaging, quantity varies

Specifications

• Resolution: 12 bits
• Input Channels: 8 single-ended or 4 differential inputs
• Conversion Rate: Up to 1 MSPS (Million Samples Per Second)
• Supply Voltage: 2.7V to 5.5V
• Power Consumption: Low power consumption, typically 375 µA at 3.3V
• Interface: I2C-compatible serial interface
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The AD7998BRUZ-0REEL has a total of 24 pins. The pin configuration is as follows:

1. VDD: Positive supply voltage
2. GND: Ground
3. SDA: Serial Data Line for I2C communication
4. SCL: Serial Clock Line for I2C communication
5. ADDR0: Address bit 0 for device addressing
6. ADDR1: Address bit 1 for device addressing
7. ADDR2: Address bit 2 for device addressing
8. ALERT: Interrupt output for alerting the microcontroller
9. AIN0: Analog input channel 0
10. AIN1: Analog input channel 1
11. AIN2: Analog input channel 2
12. AIN3: Analog input channel 3
13. AIN4: Analog input channel 4
14. AIN5: Analog input channel 5
15. AIN6: Analog input channel 6
16. AIN7: Analog input channel 7
17. REF: Reference voltage input
18. VIO: Digital I/O supply voltage
19. AGND: Analog ground
20. DGND: Digital ground
21. SDO: Serial Data Out for daisy-chaining multiple devices
22. NC: No Connection
23. NC: No Connection
24. NC: No Connection

Functional Features

• High-resolution ADC with 12-bit resolution
• Can be configured for single-ended or differential inputs
• Low power consumption makes it suitable for battery-powered applications
• I2C-compatible serial interface allows easy integration with microcontrollers
• Alert feature provides interrupt capability for notifying the microcontroller of specific events

Advantages and Disadvantages

Advantages: - High resolution for accurate analog-to-digital conversion - Flexible input configuration options - Low power consumption extends battery life in portable devices - Easy integration with microcontrollers through I2C interface

Disadvantages: - Limited number of input channels (8 single-ended or 4 differential) - Requires external reference voltage for accurate conversions

Working Principles

The AD7998BRUZ-0REEL is an analog-to-digital converter that converts analog signals into digital data. It uses a successive approximation register (SAR) architecture to achieve high-resolution conversion. The analog input voltage is sampled and converted into a digital value using an internal ADC core. The converted digital data is then transmitted through the I2C interface to a microcontroller or other digital device.

Detailed Application Field Plans

The AD7998BRUZ-0REEL is commonly used in various applications, including: 1. Industrial automation systems 2. Data acquisition systems 3. Medical equipment 4. Test and measurement instruments 5. Portable devices requiring accurate analog-to-digital conversion

Detailed and Complete Alternative Models

1. AD7991: 8-channel, 10-bit ADC with I2C interface
2. AD7992: 4-channel, 12-bit ADC with I2C interface
3. AD7993: 4-channel, 10-bit ADC with I2C interface
4. AD7994: 4-channel, 10-bit ADC with SPI interface
5. AD7995: 4-channel, 12-bit ADC with SPI interface

These alternative models offer different channel configurations, resolutions, and interface options to suit specific application requirements.

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