Overview
The AD7817ARUZ-REEL7 is a 10-bit, 4-channel analog-to-digital converter (ADC) produced by Analog Devices Inc. This device features an on-chip temperature sensor and operates from a single 2.7 V to 5.5 V power supply. It is designed for applications requiring multiple analog input channels and temperature monitoring.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Resolution | 10-bit | |
| Number of Channels | 4 | |
| Conversion Time | 9 μs | |
| Supply Voltage | 2.7 V to 5.5 V | V |
| Temperature Sensor Accuracy | ±2°C (±2.25°C with on-chip reference) | °C |
| Operating Temperature | -40°C to 85°C | °C |
| Package Type | 16-SOIC (0.154", 3.90mm Width) | |
| Output Type | SPI |
Key Features
- On-chip temperature sensor with ±2°C accuracy
- On-chip 2.5 V reference voltage
- Successive approximation converter based on a capacitor DAC
- Inherent track-and-hold functionality
- Automatic power-down feature for low power consumption (40 μW at 1 kSPS)
- SPI serial interface for data communication
- Single-ended analog input channels with respect to AGND
Applications
- Industrial control systems requiring multiple analog inputs and temperature monitoring
- Medical devices needing precise temperature and analog signal conversion
- Aerospace and defense applications where low power consumption and high accuracy are crucial
- Automotive systems for sensor data acquisition and temperature sensing
Q & A
- What is the resolution of the AD7817ARUZ-REEL7 ADC?
The AD7817ARUZ-REEL7 has a 10-bit resolution.
- How many analog input channels does the AD7817ARUZ-REEL7 have?
The device has 4 analog input channels.
- What is the conversion time of the AD7817ARUZ-REEL7?
The conversion time is 9 μs.
- What is the operating voltage range of the AD7817ARUZ-REEL7?
The device operates from a single 2.7 V to 5.5 V power supply.
- What is the accuracy of the on-chip temperature sensor?
The on-chip temperature sensor has an accuracy of ±2°C (±2.25°C with on-chip reference).
- What is the package type of the AD7817ARUZ-REEL7?
The device is packaged in a 16-SOIC (0.154", 3.90mm Width).
- Does the AD7817ARUZ-REEL7 support SPI interface?
Yes, the device supports SPI serial interface for data communication.
- What is the power consumption of the AD7817ARUZ-REEL7 at 1 kSPS throughput rate?
The power consumption is 40 μW at 1 kSPS throughput rate.
- Can the AD7817ARUZ-REEL7 use an external reference voltage?
Yes, the device can use an external 2.5 V reference voltage.
- What is the operating temperature range of the AD7817ARUZ-REEL7?
The operating temperature range is -40°C to 85°C.
