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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