Overview
The AD7418ARMZ-REEL, produced by Analog Devices Inc., is a 10-bit digital temperature sensor and single-channel analog-to-digital converter (ADC). This device is designed to operate from a single power supply ranging from 2.7 V to 5.5 V, making it versatile for various applications. It features an on-chip temperature sensor and an I2C-compatible serial interface, allowing for easy integration into digital systems. The AD7418 is available in an 8-lead SOIC or TSSOP package, enhancing its suitability for space-constrained designs.
Key Specifications
| Parameter | Value |
|---|---|
| Number of Channels | 1 (single-channel ADC) + 1 (temperature sensor) |
| Resolution | 10 bits |
| Operating Temperature Range | -40°C to 125°C |
| Supply Voltage Range | 2.7 V to 5.5 V |
| Temperature Error at 25°C | ±1°C (typical) |
| Temperature Resolution | 0.25 °C/LSB |
| Data Output Interface | Digital, Serial I2C |
| Conversion Time | 15 μs (typical for ADC channels), 30 μs (typical for temperature sensor) |
| Package | 8-lead SOIC, 8-lead TSSOP |
| RoHS Compliance | Yes |
Key Features
- On-chip Temperature Sensor: Provides accurate ambient temperature measurements with a typical error of ±1°C at 25°C.
- I2C-compatible Serial Interface: Allows for easy communication with microcontrollers and other digital systems.
- Wide Operating Supply Range: Operates from 2.7 V to 5.5 V, making it suitable for a variety of power supply conditions.
- Automatic Power-Down: Reduces power consumption by automatically powering down at the end of a conversion.
- Selectable Serial Bus Address: Enables connection of up to 8 devices to a single bus.
- Compact Packaging: Available in 8-lead SOIC and TSSOP packages, ideal for space-constrained designs.
Applications
- Data Acquisition with Ambient Temperature Monitoring: Suitable for systems that require simultaneous data acquisition and temperature monitoring.
- Industrial Process Control: Used in industrial environments where temperature and voltage monitoring are critical.
- Automotive Systems: Applicable in automotive applications requiring temperature and voltage measurements.
- Battery-Charging Applications: Useful in battery management systems to monitor temperature and voltage levels.
- Personal Computers: Can be integrated into PC systems for temperature and voltage monitoring.
Q & A
- What is the resolution of the AD7418ARMZ-REEL?
The AD7418ARMZ-REEL has a resolution of 10 bits. - What is the operating temperature range of the AD7418ARMZ-REEL?
The operating temperature range is -40°C to 125°C. - What is the supply voltage range for the AD7418ARMZ-REEL?
The supply voltage range is 2.7 V to 5.5 V. - How accurate is the temperature measurement of the AD7418ARMZ-REEL?
The temperature measurement has a typical error of ±1°C at 25°C. - What type of interface does the AD7418ARMZ-REEL use for data output?
The device uses an I2C-compatible serial interface for data output. - How long does the conversion process take for the AD7418ARMZ-REEL?
The conversion time is typically 15 μs for ADC channels and 30 μs for the temperature sensor. - Is the AD7418ARMZ-REEL RoHS compliant?
Yes, the AD7418ARMZ-REEL is RoHS compliant. - What types of packages are available for the AD7418ARMZ-REEL?
The device is available in 8-lead SOIC and 8-lead TSSOP packages. - Can multiple AD7418ARMZ-REEL devices be connected to a single bus?
Yes, up to 8 devices can be connected to a single bus due to the selectable serial bus address feature. - What are some common applications of the AD7418ARMZ-REEL?
Common applications include data acquisition with ambient temperature monitoring, industrial process control, automotive systems, battery-charging applications, and personal computers.
