Overview
The ADS5263IRGCT-NM, produced by Texas Instruments, is a high-performance, quad-channel, 16-bit analog-to-digital converter (ADC) designed to operate at low power while delivering very high signal-to-noise ratio (SNR) performance. Utilizing CMOS process technology and innovative circuit techniques, this ADC is capable of sampling at a maximum rate of 100 mega-samples per second (MSPS). It features programmable device resolution, allowing it to operate in both 16-bit high-SNR mode and 14-bit low-power mode, making it versatile for various applications.
Key Specifications
| Specification | Value |
|---|---|
| Maximum Sample Rate | 100 MSPS |
| Resolution Modes | Quad-Channel, 16-Bit (High-SNR), Quad-Channel, 14-Bit (Low-Power) |
| Total Power at 100 MSPS (16-Bit Mode) | 1.4 W |
| Power per Channel (16-Bit Mode) | 355 mW |
| Full-Scale Input (16-Bit Mode) | 4 Vpp |
| SNR at fin = 3 MHz, 100 MSPS (16-Bit Mode) | 85 dBFS |
| Total Power at 100 MSPS (14-Bit Mode) | 785 mW |
| Power per Channel (14-Bit Mode) | 195 mW |
| Full-Scale Input (14-Bit Mode) | 2 Vpp |
| SNR at fin = 10 MHz (14-Bit Mode) | 74 dBFS |
| Analog Supply Voltage | 3.3 V |
| Digital Supply Voltage | 1.8 V |
| Package Type | 64-Pin QFN (9x9 mm) |
| Operating Temperature Range | -40°C to 85°C |
Key Features
- Programmable Device Resolution: Can operate in both 16-bit high-SNR mode and 14-bit low-power mode.
- Digital Processing Block: Includes digital gain (up to 12 dB), programmable FIR decimation filters, and low-frequency noise suppression.
- Averaging Mode: Allows 2 or 4 channels to be averaged to improve SNR.
- Programmable Mapping: Flexible mapping between ADC input channels and LVDS output pins to ease board design.
- Serialized LVDS Outputs: Supports internal and external references.
- Integrated Clamp: For interfacing with CCD sensors.
- Non-Magnetic Package Option: Suitable for MRI systems.
- Recovery from Overload: Recovers from 6-dB overload within one clock cycle.
Applications
- Medical Imaging - MRI: The non-magnetic package option makes it suitable for MRI systems.
- Spectroscopy: High SNR and low noise make it ideal for spectroscopic applications.
- CCD Imaging: Integrated clamp for interfacing with CCD sensors.
Q & A
- What is the maximum sample rate of the ADS5263IRGCT-NM?
The maximum sample rate is 100 MSPS.
- What are the resolution modes available for the ADS5263IRGCT-NM?
The device can operate in both 16-bit high-SNR mode and 14-bit low-power mode.
- What is the total power consumption at 100 MSPS in 16-bit mode?
The total power consumption is 1.4 W.
- What is the full-scale input voltage for the 16-bit mode?
The full-scale input voltage is 4 Vpp.
- What is the SNR at fin = 3 MHz, 100 MSPS in 16-bit mode?
The SNR is 85 dBFS.
- Does the ADS5263IRGCT-NM support averaging of channels?
Yes, it supports averaging of 2 or 4 channels to improve SNR.
- What type of digital filters are available in the ADS5263IRGCT-NM?
The device includes programmable FIR decimation filters with low-pass, high-pass, and band-pass characteristics.
- Can the ADS5263IRGCT-NM be used in MRI systems?
Yes, it has a non-magnetic package option suitable for MRI systems.
- How does the device recover from overload?
The device recovers from 6-dB overload within one clock cycle.
- What is the operating temperature range of the ADS5263IRGCT-NM?
The operating temperature range is -40°C to 85°C.
