Overview
The AD7715ARU-5REEL, produced by Analog Devices Inc., is a 16-bit Sigma-Delta Analog-to-Digital Converter (ADC) designed for precision data acquisition in low-frequency measurement applications. This component integrates a complete analog front end, including a programmable gain amplifier, differential analog and reference inputs, and a serial digital output. It is particularly suited for use in smart, microcontroller, or DSP-based systems due to its low power consumption and flexible interface options.
Key Specifications
| Parameter | Value |
|---|---|
| Number of Bits | 16 |
| Input Type | Differential |
| Sampling Rate | 500 samples per second |
| Supply Voltage | 3 V or 5 V |
| Package Type | 16-lead SOIC, PDIP, TSSOP |
| Operating Temperature | -40°C to 85°C |
| Nonlinearity | ±0.0015% |
| Gain Settings | 1, 2, 32, 128 |
| Data Interface | SPI, QSPI, MICROWIRE, DSP-compatible |
| Supply Current | 450 µA maximum @ 3 V supplies |
| Standby Current |
Key Features
- Programmable gain front end with gains of 1, 2, 32, and 128
- Differential analog and reference inputs for enhanced noise immunity
- 16-bit Sigma-Delta ADC with no missing codes performance
- Low power consumption: 450 µA maximum at 3 V supplies and less than 10 µA in standby mode
- Three-wire serial interface compatible with SPI, QSPI, MICROWIRE, and DSP
- On-chip digital filter with programmable output update rate
- Self-calibration and system calibration options to eliminate gain and offset errors
- Low-pass filter with adjustable cutoff and output update rate
Applications
The AD7715ARU-5REEL is ideal for various applications requiring precise analog-to-digital conversion, including:
- Smart transducer systems
- Microcontroller or DSP-based systems
- Industrial process control
- Medical devices
- Aerospace and defense systems
- Automotive systems
Q & A
- What is the resolution of the AD7715ARU-5REEL? The AD7715ARU-5REEL has a 16-bit resolution.
- What are the gain settings available on the AD7715ARU-5REEL? The gain settings available are 1, 2, 32, and 128.
- What is the sampling rate of the AD7715ARU-5REEL? The sampling rate is 500 samples per second.
- What are the supply voltage options for the AD7715ARU-5REEL? The component can operate at either 3 V or 5 V.
- What types of packages are available for the AD7715ARU-5REEL? It is available in 16-lead SOIC, PDIP, and TSSOP packages.
- What is the operating temperature range of the AD7715ARU-5REEL? The operating temperature range is -40°C to 85°C.
- How much power does the AD7715ARU-5REEL consume? It consumes less than 450 µA at 3 V supplies and less than 10 µA in standby mode.
- What data interfaces are supported by the AD7715ARU-5REEL? It supports SPI, QSPI, MICROWIRE, and DSP-compatible interfaces.
- Does the AD7715ARU-5REEL have calibration options? Yes, it has self-calibration and system calibration options to eliminate gain and offset errors.
- What is the nonlinearity of the AD7715ARU-5REEL? The nonlinearity is ±0.0015%.
