Overview
The AD7707BR from Analog Devices Inc. is a high-performance, 16-bit analog-to-digital converter (ADC) designed for precision measurement applications. This sigma-delta ADC is known for its high accuracy and low noise, making it suitable for a variety of industrial and medical applications. The AD7707BR operates on a single supply voltage of 3V or 5V and features a serial peripheral interface (SPI) for easy communication with microcontrollers.
Key Specifications
| Parameter | Value |
|---|---|
| Manufacturer | Analog Devices Inc. |
| Part Number | AD7707BR |
| Number of Bits | 16 |
| Sampling Rate | 500 sps |
| Number of Inputs | 1, 2 |
| Input Type | Differential, Pseudo-Differential, Single Ended |
| Data Interface | SPI |
| Polarity | Bipolar, Unipolar |
| Voltage - Supply, Analog | 2.7 V ~ 3.3 V, 5V |
| Voltage - Supply, Digital | 2.7 V ~ 3.3 V, 5V |
| Package / Case | 20-SOIC (0.295", 7.50mm Width) |
| Number of Pins | 20 |
| Operating Temperature | -40°C ~ 85°C |
Key Features
- High-resolution 16-bit sigma-delta ADC
- Single supply operation: 3V or 5V
- Low noise and high accuracy
- SPI interface for serial communication
- Support for bipolar and unipolar input signals
- On-chip PGA (Programmable Gain Amplifier) for signal conditioning
- Operating temperature range: -40°C to 85°C
Applications
The AD7707BR is widely used in various applications requiring high precision and low noise, such as:
- Industrial process control and measurement
- Medical devices, including patient monitoring and diagnostic equipment
- Automotive systems, particularly in sensor interfaces
- Test and measurement instruments
- Environmental monitoring systems
Q & A
- What is the resolution of the AD7707BR ADC?
The AD7707BR is a 16-bit analog-to-digital converter. - What are the supported supply voltages for the AD7707BR?
The AD7707BR operates on a single supply voltage of 2.7 V to 3.3 V or 5V. - What type of interface does the AD7707BR use for communication?
The AD7707BR uses a serial peripheral interface (SPI) for communication. - What is the sampling rate of the AD7707BR?
The sampling rate of the AD7707BR is 500 samples per second (sps). - What types of input signals does the AD7707BR support?
The AD7707BR supports bipolar and unipolar input signals. - What is the package type of the AD7707BR?
The AD7707BR comes in a 20-SOIC (0.295", 7.50mm Width) package. - What is the operating temperature range of the AD7707BR?
The operating temperature range of the AD7707BR is -40°C to 85°C. - Does the AD7707BR have an on-chip PGA?
Yes, the AD7707BR includes an on-chip Programmable Gain Amplifier (PGA) for signal conditioning. - What are some common applications of the AD7707BR?
The AD7707BR is used in industrial process control, medical devices, automotive systems, test and measurement instruments, and environmental monitoring systems. - Where can I find detailed specifications and datasheets for the AD7707BR?
Detailed specifications and datasheets for the AD7707BR can be found on the official Analog Devices website, as well as on distributor websites such as Digi-Key, Mouser, and Avnet.
