Overview
The AD7418ARZ-REEL is a 10-bit digital temperature sensor and single-channel analog-to-digital converter (ADC) produced by Analog Devices Inc. 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. The AD7418 features an on-chip temperature sensor that can measure ambient temperature accurately within a range of -40°C to 125°C. It also includes a successive approximation converter, a multiplexer, and a track-and-hold circuit, enabling precise temperature and analog voltage measurements.
Key Specifications
| Parameter | Value |
|---|---|
| Manufacturer | Analog Devices Inc. |
| Part Number | AD7418ARZ-REEL |
| Package | 8-Lead SOIC |
| Pins | 8 |
| Number of Channels | 1 (Temperature Sensor and 1 ADC Channel) |
| Resolution | 10 bits |
| Temperature Resolution | 0.25 °C/LSB |
| Operating Temperature Range | -40°C to 125°C |
| Supply Voltage Range | 2.7 V to 5.5 V |
| Data Output Interface | Digital, Serial I2C |
| Temperature Error at 25°C | ±1°C (typical) |
| Max Error Over Temperature | ±2°C |
| RoHS Compliance | Yes |
Key Features
- On-chip temperature sensor for accurate ambient temperature measurement.
- Single-channel ADC with a 10-bit resolution.
- I2C-compatible serial interface for easy communication.
- Selectable serial bus address, allowing up to 8 devices on a single bus.
- Automatic power-down at the end of a conversion to conserve power.
- Programmable limit and shutdown mode for enhanced control.
- Wide operating supply range from 2.7 V to 5.5 V.
Applications
- Data acquisition with ambient temperature monitoring.
- Industrial process control.
- Automotive applications.
- Battery-charging systems.
- Personal computers and other electronic devices requiring temperature monitoring.
Q & A
- What is the AD7418ARZ-REEL used for? The AD7418ARZ-REEL is used as a 10-bit digital temperature sensor and single-channel ADC for measuring ambient temperature and analog voltage signals.
- What is the operating temperature range of the AD7418ARZ-REEL? The operating temperature range is -40°C to 125°C.
- What is the resolution of the AD7418ARZ-REEL? The resolution is 10 bits.
- What is the supply voltage range for the AD7418ARZ-REEL? The supply voltage range is from 2.7 V to 5.5 V.
- What interface does the AD7418ARZ-REEL use for data output? The AD7418ARZ-REEL uses an I2C-compatible serial interface.
- Is the AD7418ARZ-REEL RoHS compliant? Yes, the AD7418ARZ-REEL is RoHS compliant.
- What are some common applications of the AD7418ARZ-REEL? Common applications include data acquisition, industrial process control, automotive systems, battery-charging systems, and personal computers.
- How many devices can be connected to a single I2C bus? Up to 8 devices can be connected to a single I2C bus due to the selectable serial bus address feature.
- Does the AD7418ARZ-REEL have power-saving features? Yes, it has automatic power-down at the end of a conversion to conserve power.
- What is the typical temperature error at 25°C for the AD7418ARZ-REEL? The typical temperature error at 25°C is ±1°C.
