Overview
The ADS6442IRGCR is a high-performance, 14-bit analog-to-digital converter (ADC) designed by Texas Instruments. This device is part of TI's extensive data converter portfolio and is engineered to meet the rigorous demands of advanced digital signal processing (DSP) applications. It features simultaneous sampling of four differential inputs, making it an ideal choice for applications requiring high-speed data acquisition.
The ADS6442IRGCR operates with a sampling rate of up to 125 MSPS (mega samples per second), although the specific model ADS6442IRGCR is rated at 65 MSPS. It is packaged in a compact 64-VQFN (9x9 mm) package, which is designed for space-constrained applications and is RoHS compliant, adhering to environmental regulations.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Number of Bits | 14 | - |
| Number of A/D Converters | 4 | - |
| Sampling Rate | 65 | MSPS |
| Input Type | Differential | - |
| Supply Voltage (Digital/Analog) | 3V ~ 3.6V | V |
| Operating Temperature | -40°C ~ 85°C | °C |
| Package | 64-VQFN (9x9 mm) | - |
| Data Interface | LVDS - Serial | - |
| Reference Type | External, Internal | - |
| Mounting Type | Surface Mount | - |
Key Features
- Simultaneous Sampling: The ADS6442IRGCR allows for simultaneous sampling of four differential inputs, ensuring synchronized data acquisition.
- High-Speed Performance: With a sampling rate of up to 65 MSPS, this ADC is suitable for high-speed data acquisition applications.
- Serial LVDS Outputs: The device features serial LVDS outputs, reducing the number of interface lines and enhancing system integration density.
- Gain Options: The ADC includes coarse and fine gain options, programmable in 1dB steps up to 6dB, to improve SFDR performance with minimal degradation in SNR.
- Programmable LVDS Currents and Termination: The LVDS output buffers have programmable currents, current doubling modes, and internal termination options to improve signal integrity.
- Compact Packaging: The 64-VQFN package is designed for space-constrained applications.
- RoHS Compliance: The device is RoHS compliant, adhering to environmental regulations.
Applications
- Medical Imaging: High-speed data acquisition is crucial in medical imaging applications such as MRI and ultrasound.
- Wireless Communication: The ADC's high-speed performance makes it suitable for wireless communication systems.
- Radar Systems: The simultaneous sampling and high-speed capabilities are beneficial in radar systems for accurate signal processing.
- Test Instrumentation: The device is used in various test and measurement instruments requiring high-speed data conversion.
Q & A
- What is the sampling rate of the ADS6442IRGCR?
The ADS6442IRGCR has a sampling rate of up to 65 MSPS.
- How many differential inputs does the ADS6442IRGCR have?
The device has four differential inputs.
- What is the package type of the ADS6442IRGCR?
The device is packaged in a 64-VQFN (9x9 mm) package.
- Is the ADS6442IRGCR RoHS compliant?
- What type of data interface does the ADS6442IRGCR use?
The device uses serial LVDS outputs.
- Can the gain of the ADS6442IRGCR be adjusted?
- What are some typical applications of the ADS6442IRGCR?
The device is used in medical imaging, wireless communication, radar systems, and test instrumentation.
- How does the ADS6442IRGCR improve signal integrity?
The device features programmable LVDS currents, current doubling modes, and internal termination options to improve signal integrity.
- What is the operating temperature range of the ADS6442IRGCR?
The operating temperature range is -40°C to 85°C.
- How is the data output formatted in the ADS6442IRGCR?
The data can be output in MSB or LSB first and in 2's complement or straight binary format.
