Overview
The AD7816AR-REEL is a digital temperature sensor produced by Analog Devices Inc. This component is designed for accurate temperature monitoring and is part of the AD7816 series. It features an on-chip temperature sensor and is packaged in an 8-lead Small Outline IC (SOIC) or Micro Small Outline IC (MSOP). The device is suitable for a wide range of applications requiring precise temperature measurement.
Key Specifications
| Specification | Value |
|---|---|
| Manufacturer | Analog Devices Inc. |
| Package | 8-SOIC (0.154", 3.90mm Width) |
| Description | Digital, Local Temperature Sensor |
| Sensing Temperature Range | -40°C ~ 85°C |
| Output Type | SPI |
| Voltage - Supply | 2.7V ~ 5.5V |
| Resolution | 10 bits |
| Accuracy | ±2°C (±3°C over full range) |
| Operating Temperature | -55°C ~ 125°C |
| Mounting Type | Surface Mount |
| Conversion Time | 27 µs (temperature sensor) |
Key Features
- On-Chip Temperature Sensor: Allows for accurate measurement of ambient temperature with a resolution of 0.25°C per LSB.
- Flexible Serial Interface: Compatible with Intel 8051, Motorola SPI®, QSPI™, and National Semiconductors MICROWIRE™ protocols.
- Automatic Power-Down: Enhances power performance at slower throughput rates, achieving as low as 40 µW at 1 kSPS.
- Overtemperature Indicator: Provides a digital comparison to indicate when a predetermined temperature is exceeded.
- On-Chip Reference: A 2.5V reference voltage with a temperature coefficient of 30 ppm/°C.
Applications
- Industrial Automation: Temperature monitoring in industrial control systems.
- Medical Devices: Precise temperature measurement in medical equipment.
- Aerospace and Defense: Temperature monitoring in harsh environments.
- Consumer Electronics: Temperature sensing in various consumer devices.
- Automotive Systems: Temperature monitoring in automotive electronics.
Q & A
- What is the temperature range of the AD7816AR-REEL?
The AD7816AR-REEL can measure temperatures from -40°C to 85°C.
- What is the resolution of the temperature sensor?
The temperature sensor has a resolution of 0.25°C per LSB.
- What is the supply voltage range for the AD7816AR-REEL?
The supply voltage range is from 2.7V to 5.5V.
- What serial interfaces is the AD7816AR-REEL compatible with?
It is compatible with Intel 8051, Motorola SPI®, QSPI™, and National Semiconductors MICROWIRE™ protocols.
- Does the AD7816AR-REEL have an overtemperature indicator?
Yes, it has an overtemperature indicator that goes logic low when a predetermined temperature is exceeded.
- What is the operating temperature range of the AD7816AR-REEL?
The operating temperature range is from -55°C to 125°C.
- What is the conversion time for the temperature sensor?
The conversion time for the temperature sensor is 27 µs.
- Is the AD7816AR-REEL RoHS compliant?
Yes, it is compliant with RoHS directives (2011/65/EU, 2015/863).
- What is the package type of the AD7816AR-REEL?
The package type is 8-SOIC (0.154", 3.90mm Width).
- Does the AD7816AR-REEL have automatic power-down feature?
Yes, it has an automatic power-down feature to enhance power performance at slower throughput rates.
