Overview
The AD7701ARZ-REEL is a 16-bit sigma-delta analog-to-digital converter (ADC) produced by Analog Devices Inc. This component is designed for the measurement of wide dynamic range, low-frequency signals, making it suitable for applications involving chemical, physical, or biological processes. The AD7701 features a charge-balancing (sigma-delta) ADC, on-chip digital filtering, and a calibration microcontroller with static RAM to ensure high accuracy and linearity.
Key Specifications
| Parameter | Specification |
|---|---|
| Number of Bits | 16 |
| Sampling Rate | Up to 4 kHz |
| Number of Inputs | 1 (Single Ended) |
| Data Interface | SPI (Serial Peripheral Interface) |
| Architecture | Sigma-Delta |
| Reference Type | External |
| Voltage - Supply, Analog | 5V |
| Voltage - Supply, Digital | 5V |
| Package | 20-Lead SOIC (Wide) |
| Operating Temperature | -40°C to 85°C |
Key Features
- 16-bit resolution with outstanding 0.0015% accuracy and no missing codes, ensuring a true 16-bit dynamic range.
- On-chip digital filtering with a six-pole Gaussian response.
- Self-calibration of zero and full scale, which can be initiated at any time to ensure endpoint accuracy and eliminate temperature drift effects.
- Flexible serial port with asynchronous mode compatible with UARTs and two synchronous modes suitable for interfacing to shift registers or microcontrollers.
- CMOS construction for low power dissipation, with a power-down mode reducing idle power consumption to 10 µW.
- Support for battery operation with a standby mode.
Applications
- Measurement of wide dynamic range, low-frequency signals in chemical, physical, or biological processes.
- Industrial automation and control systems.
- Medical devices requiring high precision and low power consumption.
- Environmental monitoring systems.
- Battery-powered devices where low power consumption is critical.
Q & A
- What is the resolution of the AD7701ARZ-REEL?
The AD7701ARZ-REEL has a 16-bit resolution.
- What is the sampling rate of the AD7701ARZ-REEL?
The sampling rate can be up to 4 kHz.
- What type of data interface does the AD7701ARZ-REEL use?
The AD7701ARZ-REEL uses an SPI (Serial Peripheral Interface).
- What is the architecture of the AD7701ARZ-REEL?
The architecture is sigma-delta.
- How does the AD7701ARZ-REEL handle calibration?
The AD7701ARZ-REEL features self-calibration of zero and full scale, which can be initiated at any time to ensure endpoint accuracy and eliminate temperature drift effects.
- What is the power consumption in power-down mode?
The power consumption in power-down mode is typically 10 µW.
- What is the operating temperature range of the AD7701ARZ-REEL?
The operating temperature range is -40°C to 85°C.
- What type of package does the AD7701ARZ-REEL come in?
The AD7701ARZ-REEL comes in a 20-Lead SOIC (Wide) package.
- Is the AD7701ARZ-REEL suitable for battery-powered devices?
- Can the AD7701ARZ-REEL be used in industrial automation?
