Overview
The ADS7817E/250 is a high-performance, 12-bit analog-to-digital converter (ADC) produced by Texas Instruments. This model is designed for precision measurement applications, offering a compact and efficient solution for converting analog signals to digital data. It is well-suited for industrial automation, medical devices, and consumer electronics, where accuracy and reliability are critical. The ADS7817E/250 stands out for its low power consumption, high-speed conversion, and ease of integration, making it a competitive choice in the ADC market.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Resolution | 12 | bits | |
| Sampling Rate | 250 | kSPS | |
| Input Voltage Range | 0 to Vref | V | Vref is reference voltage |
| Power Supply | 2.7 to 5.25 | V | |
| Power Consumption | 1.5 | mW | Typical at 3V |
| Operating Temperature | -40 to 85 | °C | |
| Package | MSOP-8 | ||
| Interface | SPI | Serial Peripheral Interface |
Key Features
- High Accuracy: 12-bit resolution ensures precise analog-to-digital conversion.
- Low Power Consumption: Ideal for battery-powered applications.
- Compact Design: MSOP-8 package saves board space.
- SPI Interface: Simplifies integration with microcontrollers and other digital systems.
- Wide Operating Voltage: Supports 2.7V to 5.25V, making it versatile for various applications.
Applications
The ADS7817E/250 is widely used in applications requiring high-precision analog-to-digital conversion. Its key application areas include:
- Industrial Automation: For monitoring and control systems where accurate signal processing is essential.
- Medical Devices: In diagnostic equipment and patient monitoring systems.
- Consumer Electronics: For audio processing, sensors, and other signal measurement tasks.
- Automotive Electronics: In sensor interfaces and control modules.
Q & A
1. What is the resolution of the ADS7817E/250?
The ADS7817E/250 has a resolution of 12 bits.
2. What is the sampling rate of this ADC?
The sampling rate is 250 kSPS (kilo samples per second).
3. What is the input voltage range?
The input voltage range is from 0 to Vref, where Vref is the reference voltage.
4. What power supply voltage does it support?
It supports a power supply voltage range of 2.7V to 5.25V.
5. How much power does it consume?
It typically consumes 1.5 mW at 3V.
6. What is the operating temperature range?
The operating temperature range is -40°C to 85°C.
7. What package does it come in?
It is available in an MSOP-8 package.
8. What interface does it use?
It uses an SPI (Serial Peripheral Interface) for communication.
9. Is it suitable for battery-powered applications?
Yes, its low power consumption makes it ideal for battery-powered applications.
10. What are its typical applications?
Typical applications include industrial automation, medical devices, consumer electronics, and automotive electronics.
