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ADS7835E/2K5G4

ADS7835E/2K5G4

Product Overview

Category

The ADS7835E/2K5G4 belongs to the category of analog-to-digital converters (ADCs).

Use

This product is primarily used for converting analog signals into digital data, enabling accurate and precise measurements in various applications.

Characteristics

  • High resolution: The ADS7835E/2K5G4 offers a resolution of 12 bits, ensuring detailed and accurate conversion of analog signals.
  • Low power consumption: This ADC operates at low power levels, making it suitable for battery-powered devices.
  • Wide input voltage range: It can handle input voltages ranging from 0V to Vref, providing flexibility in signal acquisition.
  • Fast conversion rate: With a maximum conversion rate of 200 kilosamples per second (ksps), it enables real-time data acquisition.

Package

The ADS7835E/2K5G4 comes in a small outline package (SOP) with 16 pins. The package ensures easy integration into electronic circuits and facilitates efficient heat dissipation.

Essence

The essence of the ADS7835E/2K5G4 lies in its ability to accurately convert analog signals into digital data, enabling precise measurements and analysis.

Packaging/Quantity

This product is typically available in reels containing a quantity of 2500 units per reel.

Specifications

  • Resolution: 12 bits
  • Input Voltage Range: 0V to Vref
  • Conversion Rate: Up to 200 ksps
  • Power Supply: 2.7V to 5.5V
  • Operating Temperature Range: -40°C to +85°C
  • Package Type: SOP-16

Pin Configuration

The ADS7835E/2K5G4 has 16 pins arranged as follows:

  1. VDD - Power supply voltage
  2. VREF - Reference voltage for ADC conversion
  3. AGND - Analog ground
  4. REFOUT - Reference output voltage
  5. AIN0 - Analog input channel 0
  6. AIN1 - Analog input channel 1
  7. AIN2 - Analog input channel 2
  8. AIN3 - Analog input channel 3
  9. AIN4 - Analog input channel 4
  10. AIN5 - Analog input channel 5
  11. AIN6 - Analog input channel 6
  12. AIN7 - Analog input channel 7
  13. CS - Chip select input
  14. SCLK - Serial clock input
  15. DOUT - Digital output
  16. DGND - Digital ground

Functional Features

  • High-resolution analog-to-digital conversion
  • Low power consumption for energy-efficient operation
  • Wide input voltage range for versatile signal acquisition
  • Fast conversion rate for real-time data acquisition
  • Easy integration into electronic circuits with SOP package

Advantages and Disadvantages

Advantages

  • Accurate and precise analog-to-digital conversion
  • Low power consumption for battery-powered devices
  • Versatile input voltage range for various applications
  • Real-time data acquisition capability
  • Easy integration into electronic circuits

Disadvantages

  • Limited to 12-bit resolution, may not be suitable for applications requiring higher precision
  • Requires an external reference voltage (VREF) for accurate conversion

Working Principles

The ADS7835E/2K5G4 operates on the principle of successive approximation. It samples the analog input voltage and compares it to a reference voltage. By iteratively adjusting the digital code, it converges to the closest digital representation of the analog signal.

Detailed Application Field Plans

The ADS7835E/2K5G4 finds application in various fields, including:

  1. Industrial automation: Used for precise measurement and control of analog signals in industrial processes.
  2. Medical devices: Enables accurate data acquisition in medical instruments such as patient monitors and diagnostic equipment.
  3. Test and measurement equipment: Provides high-resolution conversion for accurate measurements in laboratory and field testing.
  4. Data acquisition systems: Used to convert analog sensor signals into digital data for analysis and processing.
  5. Audio equipment: Enables high-fidelity audio signal conversion in professional audio recording and playback systems.

Detailed and Complete Alternative Models

  1. ADS7834E/2K5G4: Similar to the ADS7835E/2K5G4 but with 8 input channels instead of 16.
  2. ADS7832E/2K5G4: A lower-resolution version with 10-bit ADC resolution.
  3. ADS7846E/2K5G4: Touch screen controller with integrated 12-bit ADC functionality.

These alternative models offer different features and specifications to cater to specific application requirements.

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  1. Question: What is the maximum sampling rate of ADS7835E/2K5G4?
    Answer: The maximum sampling rate of ADS7835E/2K5G4 is 200 kSPS (kilosamples per second).

  2. Question: What is the resolution of ADS7835E/2K5G4?
    Answer: ADS7835E/2K5G4 has a resolution of 16 bits.

  3. Question: Can ADS7835E/2K5G4 be used in industrial control systems?
    Answer: Yes, ADS7835E/2K5G4 is suitable for use in industrial control systems due to its high resolution and sampling rate.

  4. Question: What is the input voltage range of ADS7835E/2K5G4?
    Answer: The input voltage range of ADS7835E/2K5G4 is 0V to Vref, where Vref is the reference voltage.

  5. Question: Is ADS7835E/2K5G4 compatible with microcontrollers?
    Answer: Yes, ADS7835E/2K5G4 can be easily interfaced with most microcontrollers using SPI or I2C communication protocols.

  6. Question: Does ADS7835E/2K5G4 require an external reference voltage?
    Answer: Yes, ADS7835E/2K5G4 requires an external reference voltage for accurate analog-to-digital conversion.

  7. Question: What is the power supply voltage range for ADS7835E/2K5G4?
    Answer: ADS7835E/2K5G4 operates within a power supply voltage range of 2.7V to 5.25V.

  8. Question: Can ADS7835E/2K5G4 be used in battery-powered applications?
    Answer: Yes, ADS7835E/2K5G4's low power consumption makes it suitable for battery-powered applications.

  9. Question: What are the typical applications of ADS7835E/2K5G4?
    Answer: Typical applications of ADS7835E/2K5G4 include data acquisition, instrumentation, and sensor interfaces.

  10. Question: Is ADS7835E/2K5G4 RoHS compliant?
    Answer: Yes, ADS7835E/2K5G4 is RoHS compliant, making it suitable for use in environmentally sensitive applications.