Overview
The AD7714ARSZ-5REEL, manufactured by Analog Devices Inc., is a comprehensive analog front end designed for low-frequency measurement applications. This 24-bit sigma-delta analog-to-digital converter (ADC) is optimized for precision and low power consumption, making it ideal for use in smart, microcontroller- or DSP-based systems. The device features a charge-balancing ADC with no missing codes, ensuring high accuracy and reliability. It operates from a single supply voltage of either 3 V or 5 V and is available in various package options, including a 28-lead shrink small outline package (SSOP).
Key Specifications
| Parameter | Specification |
|---|---|
| Resolution | 24 bits |
| Conversion Technique | Sigma-Delta |
| Number of Channels | Up to 5 channels (3 differential or 5 pseudo-differential) |
| Programmable Gain | 1 to 128 |
| Input Voltage Range | +2.7 V to +3.3 V or +4.75 V to +5.25 V |
| Operating Temperature Range | -40°C to +105°C |
| Power Consumption | 350 µA typical (active), 5 µA typical (power-down) |
| Noise Level | <150 nV rms |
| Linearity Error | 0.0010% |
| Package Type | 28-Lead SSOP |
Key Features
- Charge-balancing ADC with no missing codes and 24-bit resolution.
- Programmable gain front end with gains from 1 to 128.
- Three differential or five pseudo-differential analog inputs, along with a differential reference input.
- Serial interface compatible with SPI, QSPI, MICROWIRE, and DSP.
- Low power consumption with power-down mode reducing standby power to 15 µW typical at 3 V.
- Self-calibration, system calibration, and background calibration options.
- Ability to read and write calibration coefficients.
- Schmitt trigger inputs on SCLK and DIN for the Y grade.
- Low noise level of less than 150 nV rms.
Applications
- Portable industrial instruments.
- Portable weigh scales.
- Loop-powered systems.
- Pressure transducers.
- Smart, microcontroller- or DSP-based systems.
Q & A
- What is the resolution of the AD7714ARSZ-5REEL?
The AD7714ARSZ-5REEL has a 24-bit resolution.
- What is the conversion technique used in the AD7714ARSZ-5REEL?
The AD7714ARSZ-5REEL uses a sigma-delta conversion technique.
- How many channels does the AD7714ARSZ-5REEL support?
The device supports up to 5 channels, which can be configured as 3 differential or 5 pseudo-differential inputs).
- What are the programmable gain options for the AD7714ARSZ-5REEL?
The gain can be programmed from 1 to 128).
- What is the operating temperature range of the AD7714ARSZ-5REEL?
The operating temperature range is -40°C to +105°C).
- How much power does the AD7714ARSZ-5REEL consume?
The device consumes 350 µA typical in active mode and 5 µA typical in power-down mode).
- What is the noise level of the AD7714ARSZ-5REEL?
The noise level is less than 150 nV rms).
- What calibration options are available for the AD7714ARSZ-5REEL?
The device offers self-calibration, system calibration, and background calibration options).
- Can the calibration coefficients be read and written for the AD7714ARSZ-5REEL?
- In what package types is the AD7714ARSZ-5REEL available?
The device is available in a 28-Lead SSOP package among others).
