ADS7861IRHBRG4

Basic Information Overview

• Category: Analog-to-Digital Converter (ADC)
• Use: Converts analog signals into digital data for processing
• Characteristics:
  • High-resolution conversion
  • Low power consumption
  • Small form factor
  • Wide input voltage range
• Package: QFN (Quad Flat No-Lead)
• Essence: Provides accurate and reliable digital representation of analog signals
• Packaging/Quantity: Available in reels, quantity depends on customer requirements

Specifications

• Resolution: 12 bits
• Sampling Rate: Up to 200 kSPS (thousand samples per second)
• Input Voltage Range: ±Vref
• Power Supply: 2.7V to 5.5V
• Operating Temperature Range: -40°C to +125°C
• Interface: Serial Peripheral Interface (SPI)

Detailed Pin Configuration

The ADS7861IRHBRG4 has the following pin configuration:

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

Functional Features

• High-resolution conversion: The 12-bit resolution ensures accurate representation of analog signals.
• Low power consumption: The ADC operates with low power consumption, making it suitable for battery-powered applications.
• Small form factor: The QFN package allows for compact designs and space-saving integration.
• Wide input voltage range: The ADC can handle a wide range of input voltages, providing flexibility in various applications.

Advantages and Disadvantages

Advantages: - High-resolution conversion for accurate data representation - Low power consumption for energy-efficient operation - Small form factor for space-saving integration - Wide input voltage range for versatility

Disadvantages: - Limited sampling rate compared to higher-end ADCs - Requires an external reference voltage source

Working Principles

The ADS7861IRHBRG4 operates based on the successive approximation register (SAR) architecture. It samples the analog input voltage and converts it into a digital representation using a binary search algorithm. The internal circuitry compares the input voltage with a reference voltage and determines the digital code that best represents the analog signal.

Detailed Application Field Plans

The ADS7861IRHBRG4 is suitable for various applications, including but not limited to: - Industrial automation - Data acquisition systems - Medical equipment - Instrumentation - Portable devices

Detailed and Complete Alternative Models

• ADS7862IRHBT: 12-bit ADC with similar specifications but different package (TSSOP)
• ADS8861IRHBR: 16-bit ADC with higher resolution
• ADS1015: 12-bit ADC with integrated multiplexer and I2C interface

These alternative models provide options with varying features and capabilities to suit different application requirements.

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