ADS7816EB/250

Product Overview

Category

The ADS7816EB/250 belongs to the category of analog-to-digital converters (ADCs).

Use

This product is used to convert analog signals into digital data for processing and analysis in various electronic systems.

Characteristics

• High-resolution: The ADS7816EB/250 offers a resolution of 12 bits, ensuring accurate conversion of analog signals.
• Low power consumption: It operates at low power, making it suitable for battery-powered applications.
• Small package size: The device comes in a compact package, allowing for space-efficient integration into electronic circuits.
• Wide operating temperature range: The ADS7816EB/250 can operate reliably across a wide temperature range, making it suitable for various environments.

Package and Quantity

The ADS7816EB/250 is available in a small outline integrated circuit (SOIC) package. It is typically sold in reels containing a quantity of 250 units.

Specifications

• Resolution: 12 bits
• Input voltage range: 0V to Vref
• Conversion time: 8μs (max)
• Operating temperature range: -40°C to +85°C
• Supply voltage: 2.7V to 5.5V
• Power consumption: 1.3mW (typical)

Pin Configuration

The ADS7816EB/250 has a total of 8 pins, which are assigned specific functions as follows:

1. VCC: Supply voltage input
2. GND: Ground reference
3. CS: Chip select input
4. SCLK: Serial clock input
5. DOUT: Digital output
6. DIN: Serial data input
7. AGND: Analog ground reference
8. REF: Reference voltage input

Functional Features

• Single-ended or differential input selection
• Programmable reference voltage
• Serial interface for easy integration with microcontrollers
• Low noise and distortion for accurate signal conversion
• Internal sample-and-hold circuitry for precise sampling

Advantages and Disadvantages

Advantages

• High resolution ensures accurate analog-to-digital conversion.
• Low power consumption makes it suitable for battery-powered applications.
• Compact package size allows for space-efficient integration.
• Wide operating temperature range enables use in various environments.

Disadvantages

• Limited input voltage range compared to some other ADCs.
• Conversion time of 8μs may be slower than some high-speed applications require.

Working Principles

The ADS7816EB/250 operates based on the successive approximation register (SAR) architecture. It samples the analog input voltage, compares it to a reference voltage, and performs a binary search to determine the digital representation of the input signal.

Detailed Application Field Plans

The ADS7816EB/250 finds application in various fields, including: 1. Industrial automation: Used for data acquisition and control systems. 2. Medical devices: Enables accurate measurement and monitoring of vital signs. 3. Consumer electronics: Integrated into audio equipment, instrumentation, and portable devices. 4. Automotive systems: Utilized for sensor data processing and control units.

Alternative Models

Other alternative models that offer similar functionality to the ADS7816EB/250 include: - ADS7817EB/250 - ADS7818EB/250 - ADS7825EB/250

These models provide different resolutions, input voltage ranges, or additional features to suit specific application requirements.

In conclusion, the ADS7816EB/250 is a high-resolution analog-to-digital converter with low power consumption and a compact package. Its wide operating temperature range and versatile applications make it a popular choice in various industries.