AD7984BRMZ

Product Overview

Category

AD7984BRMZ belongs to the category of analog-to-digital converters (ADCs).

Use

The AD7984BRMZ is used to convert analog signals into digital data. It is commonly employed in various applications where precise and accurate conversion of analog signals is required.

Characteristics

• High resolution: The AD7984BRMZ offers a resolution of 18 bits, ensuring accurate conversion of analog signals.
• Fast conversion rate: With a maximum conversion rate of 1 MSPS (Mega Samples Per Second), it enables quick and efficient signal processing.
• Low power consumption: This ADC operates at low power, making it suitable for battery-powered devices.
• Wide input voltage range: The AD7984BRMZ can handle a wide range of input voltages, allowing flexibility in different applications.

Package

The AD7984BRMZ comes in a small form factor package known as MSOP (Mini Small Outline Package). This package ensures easy integration into various circuit designs.

Essence

The essence of the AD7984BRMZ lies in its ability to accurately convert analog signals into digital data, enabling further processing and analysis.

Packaging/Quantity

The AD7984BRMZ is typically available in reels or tubes, with a quantity of 250 units per reel/tube.

Specifications

• Resolution: 18 bits
• Conversion Rate: Up to 1 MSPS
• Input Voltage Range: ±10V
• Power Supply: +5V
• Operating Temperature Range: -40°C to +85°C
• Interface: Serial Peripheral Interface (SPI)

Detailed Pin Configuration

The AD7984BRMZ has the following pin configuration:

1. VDD: Power supply voltage
2. GND: Ground reference
3. REF: Reference voltage input
4. AGND: Analog ground reference
5. VIN: Analog input voltage
6. VOUT: Digital output data
7. SCLK: Serial clock input
8. DIN: Serial data input
9. CS: Chip select input

Functional Features

• High-resolution conversion for accurate signal representation.
• Fast conversion rate enables real-time processing of analog signals.
• Low power consumption for energy-efficient operation.
• Wide input voltage range allows compatibility with various signal sources.
• SPI interface facilitates easy integration into digital systems.

Advantages and Disadvantages

Advantages

• High resolution ensures precise conversion of analog signals.
• Fast conversion rate enables quick signal processing.
• Low power consumption makes it suitable for battery-powered devices.
• Wide input voltage range provides flexibility in different applications.
• Small form factor package allows for easy integration.

Disadvantages

• Limited to serial communication interface (SPI).
• Requires external reference voltage for accurate conversion.

Working Principles

The AD7984BRMZ operates based on the successive approximation register (SAR) architecture. It samples the analog input voltage, performs a series of comparisons, and generates a digital output representing the converted value. The internal circuitry ensures high accuracy and linearity in the conversion process.

Detailed Application Field Plans

The AD7984BRMZ finds applications in various fields, including but not limited to: 1. Industrial automation: Precise measurement and control systems. 2. Medical equipment: Accurate data acquisition in medical devices. 3. Test and measurement instruments: High-resolution signal analysis. 4. Communication systems: Signal processing and modulation/demodulation. 5. Audio equipment: High-fidelity audio signal conversion.

Detailed and Complete Alternative Models

1. AD7985BRMZ: Similar to AD7984BRMZ but with 16-bit resolution.
2. AD7986BRMZ: Higher resolution variant with 20-bit ADC.
3. AD7988BRMZ: Dual-channel ADC with 18-bit resolution.
4. AD7989BRMZ: Higher resolution dual-channel ADC with 20-bit resolution.

These alternative models provide options with varying resolutions and channel configurations to suit different application requirements.

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