Overview
The AD7417BRZ-REEL, manufactured by Analog Devices Inc., is a 10-bit, 4-channel analog-to-digital converter (ADC) with an integrated on-chip temperature sensor. This device operates from a single power supply voltage ranging from 2.7 V to 5.5 V, making it versatile for various applications. The AD7417 features a successive approximation converter, a 5-channel multiplexer, a temperature sensor, a clock oscillator, a track-and-hold circuit, and a reference voltage source (2.5 V). It is packaged in a 16-lead SOIC (Small Outline Integrated Circuit) and is RoHS compliant.
Key Specifications
| Parameter | Value | Unit | Comments |
|---|---|---|---|
| Resolution | 10-bit | ||
| Number of Analog Inputs | 4 | ||
| Operating Temperature Range | -40°C to 85°C | ||
| Supply Voltage Range | 2.7 V to 5.5 V | ||
| Temperature Sensor Accuracy | ±1°C (±2°C) | At 25°C and over the full temperature range respectively | |
| Conversion Time | 15 μs (typ. 10 μs) | For analog channels | |
| Conversion Time (Temperature Sensor) | 30 μs (typ. 27 μs) | ||
| Interface | I2C-compatible serial interface | ||
| Package | 16-lead SOIC |
Key Features
- 10-bit successive approximation ADC with 4 analog input channels and an on-chip temperature sensor.
- Wide operating supply range: 2.7 V to 5.5 V.
- I2C-compatible serial interface with 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.
- High accuracy temperature sensor with ±1°C accuracy at 25°C and ±2°C over the full temperature range.
- Track-and-hold acquisition time of 400 ns and conversion time of 15 μs for analog channels.
- Internal reference voltage source (2.5 V) with low temperature coefficient.
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 resolution of the AD7417 ADC?
The AD7417 has a 10-bit resolution.
- What is the operating temperature range of the AD7417?
The AD7417 operates over a temperature range of -40°C to 85°C.
- What is the supply voltage range for the AD7417?
The AD7417 can operate from a single supply voltage ranging from 2.7 V to 5.5 V.
- How accurate is the temperature sensor in the AD7417?
The temperature sensor has an accuracy of ±1°C at 25°C and ±2°C over the full temperature range.
- What type of interface does the AD7417 use?
The AD7417 uses an I2C-compatible serial interface.
- How many devices can be connected to a single I2C bus?
Up to 8 AD7417 devices can be connected to a single I2C bus due to the selectable serial bus address.
- What is the conversion time for the analog channels?
The conversion time for the analog channels is typically 10 μs, with a maximum of 15 μs.
- What is the package type of the AD7417?
The AD7417 is packaged in a 16-lead SOIC.
- Is the AD7417 RoHS compliant?
Yes, the AD7417 is RoHS compliant.
- What are some common applications of the AD7417?
The AD7417 is commonly used in data acquisition, industrial process control, automotive applications, battery-charging systems, and personal computers.
