ADS7841EBG4

Product Overview

Category

ADS7841EBG4 belongs to the category of analog-to-digital converters (ADCs).

Use

This product is primarily used for converting analog signals into digital data, making it suitable for a wide range of applications in various industries.

Characteristics

• High-resolution: The ADS7841EBG4 offers high-resolution conversion, ensuring accurate and precise digital representation of analog signals.
• Low power consumption: This ADC is designed to operate efficiently with low power consumption, making it suitable for battery-powered devices.
• Fast conversion speed: With its fast conversion speed, the ADS7841EBG4 can handle real-time data acquisition requirements effectively.
• Wide input voltage range: The ADC supports a wide input voltage range, allowing it to accommodate different signal levels.
• Small package size: The compact package of the ADS7841EBG4 makes it suitable for space-constrained applications.

Package and Quantity

The ADS7841EBG4 is available in a small form factor package, typically provided in tape and reel packaging. The exact quantity per package may vary depending on the supplier.

Specifications

• Resolution: 12 bits
• Input Voltage Range: 0V to Vref
• Conversion Time: 2.5 µs (typical)
• Operating Temperature Range: -40°C to +85°C
• Supply Voltage: 2.7V to 5.25V
• Power Consumption: 0.5mW (typical)

Pin Configuration

The ADS7841EBG4 features a 16-pin package with the following pin configuration:

1. REF - Reference Voltage Input
2. VDD - Positive Supply Voltage
3. VSS - Ground
4. AGND - Analog Ground
5. VIN - Analog Input
6. VIN - Analog Input
7. VIN - Analog Input
8. VIN - Analog Input
9. VIN - Analog Input
10. VIN - Analog Input
11. VIN - Analog Input
12. VIN - Analog Input
13. VIN - Analog Input
14. VIN - Analog Input
15. VIN - Analog Input
16. CS - Chip Select

Functional Features

• Simultaneous Sampling: The ADS7841EBG4 can perform simultaneous sampling of multiple analog inputs, enabling accurate data acquisition from multiple sources.
• SPI Interface: It utilizes a Serial Peripheral Interface (SPI) for communication with microcontrollers or other digital devices.
• Internal Reference: The ADC incorporates an internal reference voltage, eliminating the need for an external reference source.
• Low Noise: The device is designed to minimize noise interference during signal conversion, ensuring high-quality output.

Advantages and Disadvantages

Advantages

• High-resolution conversion for accurate data representation.
• Low power consumption, suitable for battery-powered applications.
• Fast conversion speed enables real-time data acquisition.
• Wide input voltage range accommodates various signal levels.
• Compact package size ideal for space-constrained designs.

Disadvantages

• Limited to 12-bit resolution, which may not be sufficient for certain high-precision applications.
• Requires an external microcontroller or digital device for control and data processing.

Working Principles

The ADS7841EBG4 operates on the principle of successive approximation. It samples the analog input voltage and compares it to an internal reference voltage. By iteratively adjusting the digital code, it converges towards the closest digital representation of the analog input. This process continues until the desired resolution is achieved.

Application Field Plans

The ADS7841EBG4 finds application in various fields, including but not limited to: - Industrial automation - Medical equipment - Test and measurement instruments - Data acquisition systems - Consumer electronics

Alternative Models

• ADS7842: Similar to ADS7841EBG4 but with 10-bit resolution.
• ADS7843: Similar to ADS7841EBG4 but with 8-channel input.
• ADS7844: Similar to ADS7841EBG4 but with 14-bit resolution.

These alternative models offer different specifications and features, allowing users to choose the most suitable ADC for their specific requirements.

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