ADS7251IRTER

Product Overview

Category: Integrated Circuits (ICs)

Use: The ADS7251IRTER is a high-speed, 12-bit analog-to-digital converter (ADC) designed for precision measurement applications. It offers excellent performance and accuracy in converting analog signals to digital data.

Characteristics: - High-speed conversion with a sampling rate of up to 1 MSPS (Mega Samples Per Second) - 12-bit resolution for precise measurement - Low power consumption for energy-efficient operation - Wide input voltage range for versatile applications - Built-in programmable gain amplifier (PGA) for signal conditioning - Serial interface for easy integration with microcontrollers or other digital systems

Package: The ADS7251IRTER is available in a small form factor package, specifically the QFN (Quad Flat No-Lead) package. This package ensures efficient heat dissipation and allows for easy mounting on printed circuit boards (PCBs).

Essence: The ADS7251IRTER is an essential component in various measurement systems where accurate and fast analog-to-digital conversion is required. It enables precise data acquisition from sensors, transducers, and other analog sources.

Packaging/Quantity: The ADS7251IRTER is typically sold in reels containing a specific quantity of ICs. The exact quantity may vary depending on the manufacturer or distributor.

Specifications

• Resolution: 12 bits
• Sampling Rate: Up to 1 MSPS
• Input Voltage Range: ±Vref
• Power Supply Voltage: 2.7V to 5.25V
• Power Consumption: <10mW
• Operating Temperature Range: -40°C to +85°C
• Interface: Serial Peripheral Interface (SPI)

Pin Configuration

The ADS7251IRTER has a total of 16 pins arranged as follows:

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| | | 1 16 | | | | 2 15 | | | | 3 14 | | | | 4 13 | | | | 5 12 | | | | 6 11 | | | | 7 10 | | | | 8 9 | |___________________| ```

Functional Features

• High-speed, high-resolution analog-to-digital conversion
• Programmable gain amplifier for signal conditioning
• Low power consumption for energy efficiency
• Serial interface for easy integration with digital systems
• Wide input voltage range for versatile applications
• Built-in reference voltage generator for accurate conversion

Advantages and Disadvantages

Advantages: - High-speed conversion enables real-time data acquisition - Excellent accuracy and resolution for precise measurements - Versatile input voltage range allows for a wide range of applications - Low power consumption for energy-efficient operation - Compact package size for easy integration into PCB designs

Disadvantages: - Limited resolution compared to higher-end ADCs - Requires external microcontroller or digital system for data processing

Working Principles

The ADS7251IRTER operates based on the successive approximation register (SAR) architecture. It uses a sample-and-hold circuit to capture the analog input voltage and then performs a series of comparisons to determine the digital representation of the input signal. The built-in programmable gain amplifier allows for signal conditioning and amplification before the conversion process.

Detailed Application Field Plans

The ADS7251IRTER finds applications in various fields that require precise analog-to-digital conversion, such as: - Industrial automation and control systems - Data acquisition systems - Medical instrumentation - Test and measurement equipment - Communication systems

Detailed and Complete Alternative Models

• ADS7250: Similar to ADS7251IRTER but with 10-bit resolution instead of 12 bits.
• ADS7260: Higher-resolution ADC with 16-bit resolution and similar features.
• ADS8320: High-speed, 16-bit ADC with differential inputs and SPI interface.

These alternative models offer different resolutions and additional features to suit specific application requirements.

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