Overview
The AD7417ARU-REEL7 is a 10-bit, 4-channel analog-to-digital converter (ADC) with an on-chip temperature sensor, manufactured by Analog Devices Inc. This device is part of the AD7416/AD7417/AD7418 family and is designed for a wide range of applications requiring precise analog-to-digital conversion and temperature monitoring.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 10 bits |
| Number of Channels | 4 (including temperature sensor) |
| Power Supply Range | 2.7 V to 5.5 V |
| Input Voltage Range | 0 V to +VREF |
| Conversion Time | 15 μs (analog channels), 30 μs (temperature sensor) |
| Track-and-Hold Acquisition Time | 400 ns |
| Temperature Measurement Range | −40°C to +125°C |
| Temperature Resolution | 1/4 °C/LSB |
| Differential Nonlinearity | ±1 LSB max |
| Gain Error | ±3 LSB max (internal reference) |
| Offset Error | ±4 LSB max |
| Input Leakage Current | ±1 μA max |
| Input Capacitance | 10 pF max |
Key Features
- 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 minimize power consumption.
- On-chip temperature sensor for accurate ambient temperature measurement.
- Internal or external 2.5 V reference option.
- Low power consumption with a wide operating supply range.
- Four single-ended analog input channels and one temperature sensor channel.
- Internal clock oscillator eliminates the need for an external clock.
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 AD7417ARU-REEL7 ADC? The AD7417ARU-REEL7 has a 10-bit resolution.
- How many analog input channels does the AD7417ARU-REEL7 have? The AD7417ARU-REEL7 has four analog input channels plus one temperature sensor channel.
- What is the operating power supply range of the AD7417ARU-REEL7? The device operates from a single 2.7 V to 5.5 V power supply.
- How is the conversion initiated on the AD7417ARU-REEL7? Conversion is initiated by pulsing the CONVST input or through automatic conversion mode during read or write operations.
- What is the temperature measurement range of the on-chip temperature sensor? The temperature sensor measures temperatures from −40°C to +125°C.
- Can the AD7417ARU-REEL7 use an external reference voltage? Yes, the device can use either an internal 2.5 V reference or an external 2.5 V reference.
- What is the conversion time for the analog channels and the temperature sensor? The conversion time is 15 μs for analog channels and 30 μs for the temperature sensor.
- How does the AD7417ARU-REEL7 interface with other devices? The device uses an I2C-compatible serial interface.
- What are some typical applications of the AD7417ARU-REEL7? Typical applications include data acquisition, industrial process control, automotive systems, battery-charging systems, and personal computers.
- What is the track-and-hold acquisition time of the AD7417ARU-REEL7? The track-and-hold acquisition time is 400 ns.
