AD7991YRJZ-0500RL7

Product Overview

Category

The AD7991YRJZ-0500RL7 belongs to the category of analog-to-digital converters (ADCs).

Use

This product is primarily used for converting analog signals into digital data, making it suitable for various applications that require precise and accurate measurements.

Characteristics

• High resolution: The AD7991YRJZ-0500RL7 offers a resolution of 12 bits, ensuring accurate conversion of analog signals.
• Low power consumption: This ADC operates at low power, making it energy-efficient and suitable for battery-powered devices.
• Small package size: The AD7991YRJZ-0500RL7 comes in a compact package, allowing for easy integration into space-constrained designs.
• Wide input voltage range: It can handle input voltages ranging from 0V to VREF, providing flexibility in signal acquisition.

Package and Quantity

The AD7991YRJZ-0500RL7 is available in a small form factor package, such as a 10-lead MSOP (Mini Small Outline Package). It is typically sold in reels or tubes, with a quantity of 2500 units per reel.

Specifications

• Resolution: 12 bits
• Input Voltage Range: 0V to VREF
• Conversion Time: 1.3 µs (typical)
• Supply Voltage: 2.7V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• Interface: I2C-compatible

Pin Configuration

The AD7991YRJZ-0500RL7 has a total of 10 pins, which are assigned specific functions:

1. VDD: Power supply voltage
2. GND: Ground reference
3. SDA: Serial data input/output for I2C communication
4. SCL: Serial clock input for I2C communication
5. ADDR: Address selection pin for I2C communication
6. ALERT: Interrupt output pin
7. AIN0: Analog input channel 0
8. AIN1: Analog input channel 1
9. AIN2: Analog input channel 2
10. AIN3: Analog input channel 3

Functional Features

• High accuracy: The AD7991YRJZ-0500RL7 provides precise and reliable conversion of analog signals into digital data.
• Multiple input channels: It supports up to four analog input channels, allowing for simultaneous measurement of multiple signals.
• Configurable reference voltage: The reference voltage (VREF) can be adjusted to suit specific application requirements.
• Interrupt capability: The ADC can generate an interrupt signal (ALERT) based on user-defined thresholds, enabling efficient event-driven processing.

Advantages and Disadvantages

Advantages

• High resolution ensures accurate conversion of analog signals.
• Low power consumption makes it suitable for battery-powered devices.
• Small package size allows for easy integration into space-constrained designs.
• Wide input voltage range provides flexibility in signal acquisition.

Disadvantages

• Limited number of input channels may not be sufficient for applications requiring more inputs.
• Lack of built-in voltage reference requires an external reference source.

Working Principles

The AD7991YRJZ-0500RL7 operates based on the successive approximation register (SAR) architecture. It samples the analog input voltage and converts it into a corresponding digital value using an internal ADC core. The converted digital data is then made available for further processing or storage.

Detailed Application Field Plans

The AD7991YRJZ-0500RL7 finds applications in various fields, including but not limited to: - Industrial automation - Medical equipment - Test and measurement instruments - Data acquisition systems - Consumer electronics

Detailed Alternative Models

1. AD7992: Similar to the AD7991YRJZ-0500RL7, but with 8 input channels instead of 4.
2. AD7993: A lower-resolution variant with 10-bit ADC resolution.
3. AD7994: Offers 12-bit resolution and 4 input channels, but includes a built-in voltage reference.

These alternative models provide options for different application requirements, allowing users to choose the most suitable ADC for their specific needs.

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