Overview
The LTC2261CUJ-14#TRPBF is a 14-bit, ultra-low power analog-to-digital converter (ADC) produced by Analog Devices Inc. This device is designed for digitizing high-frequency, wide dynamic range signals, making it ideal for demanding communications applications. It features high AC performance, including a signal-to-noise ratio (SNR) of 73.4dB and a spurious free dynamic range (SFDR) of 85dB. The ADC operates on a single 1.8V supply and is available in a 40-lead QFN package, measuring 6mm x 6mm x 0.75mm.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 14 bits |
| Sampling Rate | 125 Msps |
| Supply Voltage | 1.8V |
| Power Consumption | 127mW (typical at 125Msps) |
| SNR | 73.4dB |
| SFDR | 85dB |
| Jitter | 0.17ps RMS |
| Input Range | 1V P-P to 2V P-P |
| Output Types | CMOS, DDR CMOS, DDR LVDS |
| Package | 40-Lead QFN (6mm x 6mm x 0.75mm) |
Key Features
- Ultra-low power consumption: 127mW at 125Msps, 106mW at 105Msps, and 89mW at 80Msps.
- Single 1.8V supply.
- CMOS, DDR CMOS, or DDR LVDS digital outputs.
- Selectable input ranges: 1V P-P to 2V P-P.
- 800MHz full-power bandwidth sample-and-hold (S/H).
- Optional data output randomizer and clock duty cycle stabilizer.
- Shutdown and nap modes for power management.
- Serial SPI port for configuration.
- Pin compatible with 14-bit and 12-bit versions.
Applications
- Communications
- Cellular Base Stations
- Software Defined Radios
- Portable Medical Imaging
- Multi-Channel Data Acquisition
- Nondestructive Testing
Q & A
- What is the resolution of the LTC2261CUJ-14#TRPBF ADC?
The resolution is 14 bits.
- What are the sampling rates available for this ADC?
The ADC supports sampling rates of up to 125 Msps.
- What is the power consumption of the LTC2261CUJ-14#TRPBF at 125 Msps?
The power consumption is typically 127mW at 125 Msps.
- What types of digital outputs does the LTC2261CUJ-14#TRPBF support?
The ADC supports CMOS, DDR CMOS, and DDR LVDS digital outputs.
- What are the selectable input ranges for this ADC?
The input ranges are selectable from 1V P-P to 2V P-P.
- Does the LTC2261CUJ-14#TRPBF have power management features?
- How is the LTC2261CUJ-14#TRPBF configured?
- What is the package type and size of the LTC2261CUJ-14#TRPBF?
- What are some typical applications for the LTC2261CUJ-14#TRPBF?
- Does the LTC2261CUJ-14#TRPBF support high-frequency signal processing?
