Overview
The AD7417ARU, produced 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 ranging from 2.7 V to 5.5 V, making it versatile for various applications. The AD7417ARU features an I2C-compatible serial interface, allowing for easy communication and integration into systems. It is packaged in a 16-TSSOP (Thin Shrink Small Outline Package) and is suitable for surface mount applications.
Key Specifications
| Parameter | Value | Unit | Test Conditions/Comments |
|---|---|---|---|
| Resolution | 10 | Bits | |
| Relative Accuracy | ±1 LSB max | ||
| Voltage Supply Range | 2.7 V to 5.5 V | V | |
| Operating Temperature Range | -40°C to +125°C | °C | |
| Temperature Sensor Accuracy | ±2°C (±3°C at extremes) | °C | At 25°C (-40°C to +125°C) |
| Analog Input Channels | 4 single-ended channels | 0 V to VREF | |
| Serial Interface | I2C-compatible | ||
| Package Type | 16-TSSOP | Surface Mount | |
| Power Consumption (Typical) | 600 µA max (normal operation), 1 µA max (power down) | µA | VDD = 3 V, See Operating Modes |
Key Features
- Integrated Temperature Sensor: Allows for accurate measurement of ambient device temperature in the range of -40°C to +125°C.
- 4-Channel ADC: Provides four single-ended analog input channels with a resolution of 10 bits.
- I2C-Compatible Serial Interface: Enables easy communication and integration into systems.
- Automatic Power-Down: Features a low power shutdown mode to reduce power consumption during slower throughput rates.
- Programmable Serial Bus Address: Allows up to 8 devices to be connected to a single bus.
- On-Chip Reference and Clock Oscillator: Includes a 2.5 V reference and an internal clock oscillator, reducing the need for external components.
- Overtemperature Indicator (OTI): Provides a logic output if the temperature exceeds a setpoint value.
Applications
- Data Acquisition with Ambient Temperature Monitoring: Suitable for applications requiring simultaneous analog and temperature data acquisition.
- Industrial Process Control: Used in industrial environments where temperature and analog signal monitoring are crucial.
- Automotive Applications: Applicable in automotive systems for temperature and analog signal monitoring.
- Battery-Charging Applications: Useful in battery management systems to monitor temperature and other critical parameters.
- Personal Computers and Consumer Electronics: Can be integrated into various consumer electronics for temperature and analog signal monitoring.
Q & A
- What is the resolution of the AD7417ARU ADC?
The AD7417ARU has a resolution of 10 bits.
- What is the operating voltage range of the AD7417ARU?
The device operates from a single power supply ranging from 2.7 V to 5.5 V.
- How many analog input channels does the AD7417ARU have?
The AD7417ARU has four single-ended analog input channels.
- What is the accuracy of the temperature sensor in the AD7417ARU?
The temperature sensor has an accuracy of ±2°C (±3°C at extremes) over the operating temperature range.
- What type of serial interface does the AD7417ARU use?
The AD7417ARU uses an I2C-compatible serial interface.
- Can multiple AD7417ARU devices be connected to a single bus?
Yes, up to 8 devices can be connected to a single bus due to the programmable serial bus address feature.
- What is the purpose of the Overtemperature Indicator (OTI) in the AD7417ARU?
The OTI is a logic output that is set if the temperature exceeds a setpoint value stored in the Over Temperature Register (OTR).
- How does the automatic power-down feature work in the AD7417ARU?
The device can be programmed to operate in a low power shutdown mode during slower throughput rates, significantly reducing power consumption.
- What is the package type of the AD7417ARU?
The AD7417ARU is packaged in a 16-TSSOP (Thin Shrink Small Outline Package) and is suitable for surface mount applications.
- What are some common applications of the AD7417ARU?
The AD7417ARU is used in data acquisition, industrial process control, automotive applications, battery-charging systems, and personal computers among others.
