Overview
The AD7714ARZ-3, produced by Analog Devices Inc., is a high-precision, 24-bit Sigma-Delta Analog-to-Digital Converter (ADC) designed for a wide range of applications requiring accurate and reliable analog-to-digital conversion. This CMOS device is notable for its low power consumption and advanced signal conditioning capabilities, making it ideal for use in smart microcontroller- or DSP-based systems.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 24 bits |
| Input Type | Three differential, five pseudo-differential |
| Reference Input | Differential |
| Operating Voltage | 3 V (A grade), 2.7 V (Y grade) |
| Power Consumption | 500 µA typical at 3 V |
| Standby Power | 15 µW typical at 3 V |
| Package Options | 24-Lead SOIC, 24-Lead DIP, 28-Lead SSOP, 24-Lead TSSOP (Y grade) |
| Temperature Range | Extended range for Y grade |
| Interface | Serial, three-wire operation |
Key Features
- Self-calibration, system calibration, and background calibration options
- On-chip calibration registers for read and write operations
- Gain settings, signal polarity, and channel selection configurable via serial port
- Schmitt trigger inputs on SCLK and DIN for Y grade
- Tighter linearity specifications for Y grade
- Low power dissipation due to CMOS construction
- Support for up to five channels
Applications
The AD7714ARZ-3 is suitable for various applications requiring high precision and low power consumption, such as industrial automation, medical devices, and smart sensor systems. It is particularly useful in environments where accurate analog-to-digital conversion and advanced signal conditioning are necessary.
Q & A
- What is the resolution of the AD7714ARZ-3? The AD7714ARZ-3 has a resolution of 24 bits.
- What types of input does the AD7714ARZ-3 support? The AD7714ARZ-3 supports three differential and five pseudo-differential analog inputs.
- What is the operating voltage range for the AD7714ARZ-3? The operating voltage range is 3 V for A grade and 2.7 V for Y grade.
- How much power does the AD7714ARZ-3 consume? The AD7714ARZ-3 consumes 500 µA typical at 3 V.
- What are the package options available for the AD7714ARZ-3? The package options include 24-Lead SOIC, 24-Lead DIP, 28-Lead SSOP, and 24-Lead TSSOP for Y grade.
- Does the AD7714ARZ-3 support calibration? Yes, it supports self-calibration, system calibration, and background calibration.
- Can the gain settings and channel selection be configured via software? Yes, gain settings, signal polarity, and channel selection can be configured via the serial port.
- What are the key differences between the A and Y grades of the AD7714? The Y grade has an extended operating temperature range, schmitt trigger inputs on SCLK and DIN, tighter linearity specifications, lower power consumption, and is available in smaller packages.
- Is there an evaluation kit available for the AD7714? Yes, the EVAL-AD7714-3EBZ is a fully featured evaluation board for the AD7714.
- What is the standby power consumption of the AD7714ARZ-3? The standby power consumption is 15 µW typical at 3 V.
