Overview
The AD7708BRUZ-REEL, produced by Analog Devices Inc., is a 16-bit, low voltage, low power Sigma-Delta Analog-to-Digital Converter (ADC). This component is designed as a complete analog front-end for low frequency measurement applications. It is available in a 28-lead TSSOP package and operates from a single 3 V or 5 V supply, making it highly versatile for various industrial and medical applications.
The AD7708 can be configured as either 4/5 fully-differential input channels or 8/10 pseudo-differential input channels, providing flexibility in signal acquisition. It features a programmable gain front end and simultaneous 50 Hz and 60 Hz rejection, enhancing its performance in noisy environments.
Key Specifications
| Parameter | Value | Unit | Description |
|---|---|---|---|
| Resolution | 16 bits | Number of bits in the ADC conversion | |
| Number of Channels | 4/5 or 8/10 | Configurable as fully-differential or pseudo-differential input channels | |
| Input Range | 20 mV to 2.56 V | V | Range of input signals that can be directly converted |
| Sampling Rate | 1.365 ksps | sps | Maximum sampling rate of the ADC |
| Supply Voltage | 2.7 V to 5.25 V | V | Operating voltage range of the device |
| Power Dissipation (3V supply) | 3.84 mW (typ) | mW | Typical power consumption when operating from a 3V supply |
| Package | 28-Lead TSSOP | Physical package type and pin count | |
| Interface | SPI | Serial interface for data communication |
Key Features
- Programmable Gain Front End: Allows for adjustable gain settings to accommodate various input signal ranges.
- Simultaneous 50 Hz and 60 Hz Rejection: Enhances noise rejection in environments with power line interference.
- Factory-Calibrated Single Conversion Cycle Setting: Ensures accurate and reliable conversions without the need for additional calibration.
- Software Programmable Output Data Rate: Allows for flexible data rate settings based on application requirements.
- Low Power Consumption: Operates with low power dissipation, making it suitable for battery-powered devices.
- Pin-for-Pin Compatibility with AD7718: Allows for easy upgrade from 16-bit to 24-bit resolution without hardware modifications.
Applications
- Industrial Automation: Suitable for monitoring and control systems in industrial environments.
- Medical Devices: Used in medical equipment for precise measurement and data acquisition.
- Process Control: Ideal for applications requiring accurate and reliable measurement of low-frequency signals.
- Environmental Monitoring: Can be used in systems monitoring temperature, pressure, and other environmental parameters.
Q & A
- What is the resolution of the AD7708BRUZ-REEL?
The AD7708BRUZ-REEL has a 16-bit resolution.
- How many input channels does the AD7708BRUZ-REEL support?
The AD7708BRUZ-REEL can be configured as either 4/5 fully-differential or 8/10 pseudo-differential input channels.
- What is the input signal range of the AD7708BRUZ-REEL?
The input signal range is from 20 mV to 2.56 V.
- What is the maximum sampling rate of the AD7708BRUZ-REEL?
The maximum sampling rate is 1.365 ksps.
- What is the operating voltage range of the AD7708BRUZ-REEL?
The operating voltage range is from 2.7 V to 5.25 V.
- What is the typical power consumption of the AD7708BRUZ-REEL when operating from a 3V supply?
The typical power consumption is 3.84 mW.
- What type of package does the AD7708BRUZ-REEL come in?
The AD7708BRUZ-REEL comes in a 28-Lead TSSOP package.
- What interface does the AD7708BRUZ-REEL use for data communication?
The AD7708BRUZ-REEL uses an SPI (Serial Peripheral Interface) for data communication.
- Does the AD7708BRUZ-REEL require additional calibration for accurate conversions?
No, the AD7708BRUZ-REEL has a factory-calibrated single conversion cycle setting, eliminating the need for additional calibration.
- Can the AD7708BRUZ-REEL be upgraded to a 24-bit version without hardware modifications?
