Overview
The AD7817ARU-REEL7, produced by Analog Devices Inc., is a high-performance, low-power, 10-bit analog-to-digital converter (ADC) with an integrated temperature sensor. This device is designed to operate from a single 2.7 V to 5.5 V power supply, making it versatile for various applications. It features a successive approximation converter based on a capacitor digital-to-analog converter (DAC), an on-chip clock oscillator, and inherent track-and-hold functionality. The AD7817ARU-REEL7 also includes an on-chip temperature sensor with an accuracy of ±2.25°C and a resolution of 1/4 °C per least significant bit (LSB).
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 10-bit |
| Supply Voltage | 2.7 V to 5.5 V |
| Operating Temperature Range | -55°C to +125°C |
| Temperature Sensor Accuracy | ±2.25°C (max) |
| Temperature Resolution | 1/4 °C/LSB |
| Conversion Time | 9 μs (typical) |
| Input Channels | 4 single-ended analog input channels |
| Interface | SPI compatible |
| Package | 16-SOIC (0.154", 3.90mm Width) |
Key Features
- High accuracy and resolution with a 10-bit ADC and ±2.25°C temperature accuracy
- Low power consumption with automatic power-down feature for superior power performance at slower throughput rates
- Wide operating temperature range of -55°C to +125°C
- SPI interface for easy integration into various electronic systems
- On-chip temperature sensor accessible via Channel 0
- Inherent track-and-hold functionality and on-chip clock oscillator
- On-chip reference (2.5 V) with option for external reference
Applications
- Industrial and commercial equipment
- HVAC systems
- Automotive applications
- Consumer electronics
- Medical devices
Q & A
- What is the resolution of the AD7817ARU-REEL7? The AD7817ARU-REEL7 has a 10-bit resolution.
- What is the operating temperature range of the AD7817ARU-REEL7? The operating temperature range is -55°C to +125°C.
- How accurate is the temperature sensor of the AD7817ARU-REEL7? The temperature sensor has an accuracy of ±2.25°C.
- What type of interface does the AD7817ARU-REEL7 use? The AD7817ARU-REEL7 uses an SPI interface.
- How many analog input channels does the AD7817ARU-REEL7 have? The AD7817ARU-REEL7 has four single-ended analog input channels.
- What is the typical conversion time of the AD7817ARU-REEL7? The typical conversion time is 9 μs.
- Can the AD7817ARU-REEL7 use an external reference voltage? Yes, the AD7817ARU-REEL7 can use an external 2.5 V reference voltage.
- What is the power supply range for the AD7817ARU-REEL7? The power supply range is 2.7 V to 5.5 V.
- Does the AD7817ARU-REEL7 have automatic power-down feature? Yes, it has an automatic power-down feature for superior power performance at slower throughput rates.
- What is the package type of the AD7817ARU-REEL7? The package type is 16-SOIC (0.154", 3.90mm Width).
