Overview
The AD7782BRUZ-REEL7 is a 24-bit, sigma-delta analog-to-digital converter (ADC) produced by Analog Devices Inc. This device is designed for high-precision measurements and is particularly suited for applications requiring low noise and high resolution. The AD7782 operates from a single supply voltage ranging from 2.7V to 3.6V and is housed in a 16-lead Thin Shrink Small Outline Package (TSSOP) with a width of 0.173 inches (4.40 mm).
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 24 bits |
| Number of Channels | 2 |
| Input Type | |
| Input Voltage Range | ±160 mV or ±2.56 V |
| Supply Voltage | 2.7 V to 3.6 V |
| Package Type | 16-TSSOP (0.173 inches, 4.40 mm Width) |
| Operating Temperature Range | -40°C to +85°C |
| Output Data Rate | 19.79 Hz |
| Serial Interface | SPI and QSPI compatible |
Key Features
- High Resolution: The AD7782 offers a 24-bit resolution, providing high precision for analog-to-digital conversions.
- Low Noise: The device features low noise performance, making it suitable for applications requiring high accuracy and low noise levels.
- Programmable Input Range: The input channels can be programmed to have an input voltage range of ±160 mV or ±2.56 V, allowing flexibility in different application scenarios.
- Buffered Analog Inputs: The analog inputs are buffered, enabling the accommodation of significant source impedances and the use of R, C filtering for noise rejection or RFI reduction.
- SPI and QSPI Compatibility: The device supports SPI and QSPI serial interfaces, facilitating easy integration into various systems.
Applications
The AD7782BRUZ-REEL7 is suitable for a variety of applications that require high precision and low noise, including:
- Industrial Automation: For precise measurement and control in industrial environments.
- Medical Devices: For high-accuracy measurements in medical equipment.
- Test and Measurement Equipment: For precise data acquisition and analysis.
- Aerospace and Defense: For applications requiring high reliability and precision.
Q & A
- What is the resolution of the AD7782BRUZ-REEL7?
The AD7782BRUZ-REEL7 has a 24-bit resolution.
- What is the input voltage range of the AD7782BRUZ-REEL7?
The input voltage range can be programmed to ±160 mV or ±2.56 V.
- What is the supply voltage range for the AD7782BRUZ-REEL7?
The supply voltage range is from 2.7 V to 3.6 V.
- What type of package does the AD7782BRUZ-REEL7 come in?
The device is housed in a 16-lead Thin Shrink Small Outline Package (TSSOP).
- What is the operating temperature range of the AD7782BRUZ-REEL7?
The operating temperature range is from -40°C to +85°C.
- What is the output data rate of the AD7782BRUZ-REEL7?
The output data rate is fixed at 19.79 Hz.
- Does the AD7782BRUZ-REEL7 support SPI and QSPI interfaces?
Yes, the device supports both SPI and QSPI serial interfaces.
- Can the AD7782BRUZ-REEL7 accommodate significant source impedances on the analog inputs?
Yes, the analog inputs are buffered, allowing the device to accommodate significant source impedances.
- What is the purpose of the DOUT/RDY pin on the AD7782BRUZ-REEL7?
The DOUT/RDY pin is used for accessing data from the data register and indicates when the data is ready to be read.
- Does the AD7782BRUZ-REEL7 require an external reference voltage?
Yes, the device requires an external reference voltage of +2.5 V nominal.
