AD7984BCPZ-RL7

Product Overview

Category

The AD7984BCPZ-RL7 belongs to the category of analog-to-digital converters (ADCs).

Use

It is primarily used for converting analog signals into digital data in various applications.

Characteristics

• High resolution: The AD7984BCPZ-RL7 offers a resolution of 16 bits, ensuring accurate conversion of analog signals.
• Fast conversion rate: With a maximum sampling rate of 1 MSPS (Mega Samples Per Second), it can quickly convert analog signals into digital form.
• Low power consumption: This ADC is designed to operate with low power consumption, making it suitable for battery-powered devices.
• Wide input voltage range: It supports a wide input voltage range, allowing it to handle a variety of signal levels.
• Serial interface: The AD7984BCPZ-RL7 features a serial interface, enabling easy integration with microcontrollers and other digital systems.

Package and Quantity

The AD7984BCPZ-RL7 comes in a small form factor package known as LFCSP (Lead Frame Chip Scale Package). It is available in reel packaging, with a quantity of 2500 units per reel.

Specifications

• Resolution: 16 bits
• Sampling Rate: Up to 1 MSPS
• Input Voltage Range: ±VREF
• Power Supply: 2.7V to 5.25V
• Interface: Serial (SPI-compatible)
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The AD7984BCPZ-RL7 has a total of 20 pins. Here is the detailed pin configuration:

1. VDD: Power supply positive terminal
2. VIO: Digital I/O voltage supply
3. AGND: Analog ground
4. REFOUT: Reference voltage output
5. REFIN: Reference voltage input
6. VREF: Reference voltage supply
7. DGND: Digital ground
8. SDI: Serial data input
9. SDO: Serial data output
10. SCLK: Serial clock input
11. CS: Chip select input
12. CONVST: Convert start input
13. BUSY: Busy indicator output
14. D15-D0: Data output (16 bits)
15. VDD: Power supply positive terminal
16. VIO: Digital I/O voltage supply
17. AGND: Analog ground
18. REFOUT: Reference voltage output
19. REFIN: Reference voltage input
20. VREF: Reference voltage supply

Functional Features

• High-resolution conversion: The AD7984BCPZ-RL7 provides accurate 16-bit resolution conversion, ensuring precise digital representation of analog signals.
• Fast conversion rate: With a maximum sampling rate of 1 MSPS, it can quickly capture and convert analog signals into digital form.
• Low power consumption: Designed for low power operation, making it suitable for power-constrained applications.
• Flexible interface: It features a serial interface that is compatible with the widely used SPI (Serial Peripheral Interface) protocol, allowing easy integration with microcontrollers and other digital systems.
• Wide input voltage range: The ADC supports a wide input voltage range, enabling it to handle various signal levels.

Advantages and Disadvantages

Advantages

• High resolution ensures accurate conversion.
• Fast conversion rate allows for real-time data acquisition.
• Low power consumption extends battery life in portable devices.
• Small package size enables space-efficient designs.
• Wide input voltage range accommodates different signal levels.

Disadvantages

• Limited to 16-bit resolution, which may not be sufficient for some high-precision applications.
• Requires an external reference voltage for accurate conversion.

Working Principles

The AD7984BCPZ-RL7 operates based on the principle of successive approximation. It samples the analog input signal and compares it to a reference voltage. By iteratively adjusting the digital representation of the input signal, it converges to a digital value that closely represents the original analog signal. This process is repeated at a high speed to achieve real-time conversion.

Application Field Plans

The AD7984BCPZ-RL7 can be used in various applications, including but not limited to: - Data acquisition systems - Industrial automation - Medical equipment - Instrumentation and measurement devices - Audio processing systems - Communication systems

Alternative Models

Here are some alternative models that offer similar functionality to the AD7984BCPZ-RL7: - AD7985: 16-bit ADC with higher sampling rate - AD7983: 14-bit ADC with lower power consumption - AD7982: 12-bit ADC with smaller package size

These alternative models provide options with different specifications to suit specific application requirements.

In conclusion, the AD7984BCP