ADS7816EC/250

Product Overview

Category

The ADS7816EC/250 belongs to the category of analog-to-digital converters (ADCs).

Use

This ADC is commonly used in various applications where analog signals need to be converted into digital format for further processing or analysis.

Characteristics

• High-resolution: The ADS7816EC/250 offers a resolution of 12 bits, ensuring accurate conversion of analog signals.
• Low power consumption: This ADC operates at low power, making it suitable for battery-powered devices.
• Fast conversion rate: With a maximum conversion rate of 200 kilosamples per second (ksps), it enables real-time data acquisition.
• Wide input voltage range: The ADS7816EC/250 can handle input voltages ranging from 0 to Vref, providing flexibility in signal measurement.
• Small package size: It comes in a compact package, allowing for space-efficient integration into electronic systems.

Package and Quantity

The ADS7816EC/250 is available in an SOIC-8 package. Each package contains one unit of the ADC.

Specifications

• Resolution: 12 bits
• Conversion Rate: Up to 200 ksps
• Input Voltage Range: 0 to Vref
• Power Supply: 2.7V to 5.25V
• Operating Temperature Range: -40°C to +85°C
• Package Type: SOIC-8

Pin Configuration

The detailed pin configuration of the ADS7816EC/250 is as follows:

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Functional Features

• Single-ended or differential input selection
• Internal reference voltage generator
• SPI-compatible serial interface for communication with microcontrollers or other devices
• Power-down mode for reduced power consumption during idle periods
• Programmable gain amplifier (PGA) for signal amplification

Advantages and Disadvantages

Advantages

• High resolution ensures accurate conversion of analog signals.
• Low power consumption makes it suitable for battery-powered applications.
• Fast conversion rate enables real-time data acquisition.
• Wide input voltage range provides flexibility in signal measurement.

Disadvantages

• Limited number of channels (single-channel ADC)
• Requires an external reference voltage source

Working Principles

The ADS7816EC/250 utilizes the successive approximation register (SAR) architecture to convert analog signals into digital format. It samples the input voltage, compares it with a reference voltage, and iteratively approximates the digital representation until the desired accuracy is achieved.

Detailed Application Field Plans

The ADS7816EC/250 finds applications in various fields, including but not limited to: - Industrial automation - Medical instrumentation - Data acquisition systems - Portable devices - Sensor interfaces

Detailed and Complete Alternative Models

• ADS7817EC/250: Similar to ADS7816EC/250 but with a higher resolution of 14 bits.
• ADS7818EC/250: Similar to ADS7816EC/250 but with a higher resolution of 16 bits.
• ADS7822EC/250: A dual-channel ADC with similar characteristics to ADS7816EC/250.

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

In conclusion, the ADS7816EC/250 is a high-resolution ADC with low power consumption and fast conversion rate. Its compact package and wide input voltage range make it suitable for various applications in different fields.