Overview
The LTC2262-14, produced by Analog Devices Inc., is a high-performance 14-bit analog-to-digital converter (ADC) designed for digitizing high-frequency, wide dynamic range signals. This ADC is particularly suited for demanding communications applications, offering exceptional AC performance with a signal-to-noise ratio (SNR) of 72.8dB and a spurious free dynamic range (SFDR) of 88dB. It operates on a single 1.8V supply and features ultralow power consumption of 149mW, making it an efficient choice for various high-speed data acquisition tasks.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 14 bits |
| Sampling Rate | 150 Msps |
| SNR | 72.8 dB |
| SFDR | 88 dB |
| Power Consumption | 149 mW |
| Supply Voltage | 1.8 V |
| Input Range | 1 V P-P to 2 V P-P |
| Full-Power Bandwidth S/H | 800 MHz |
| Jitter | 0.17 ps RMS |
| Output Type | CMOS, DDR CMOS, DDR LVDS |
| Package | 40-Pin QFN (6mm x 6mm x 0.75mm) |
Key Features
- Ultralow jitter of 0.17 ps RMS for excellent noise performance in undersampling IF frequencies.
- Optional data output randomizer and clock duty cycle stabilizer for high performance across various clock duty cycles.
- Selectable input ranges: 1 V P-P to 2 V P-P.
- Shutdown and nap modes for power management.
- Serial SPI port for configuration.
- Pin compatible with 12-bit and 14-bit versions.
- Separate output power supply allowing CMOS output swing from 1.2 V to 1.8 V.
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 LTC2262-14 ADC?
The LTC2262-14 has a resolution of 14 bits. - What is the maximum sampling rate of the LTC2262-14?
The maximum sampling rate is 150 Msps. - What is the signal-to-noise ratio (SNR) of the LTC2262-14?
The SNR is 72.8 dB. - What types of output can the LTC2262-14 provide?
The digital outputs can be full rate CMOS, double data rate CMOS, or double data rate LVDS. - What is the power consumption of the LTC2262-14?
The power consumption is 149 mW. - What are the input range options for the LTC2262-14?
The input ranges are selectable from 1 V P-P to 2 V P-P. - Does the LTC2262-14 support power management features?
Yes, it supports shutdown and nap modes for power management. - What package type is the LTC2262-14 available in?
The LTC2262-14 is available in a 40-Pin QFN package (6mm x 6mm x 0.75mm). - What are some common applications of the LTC2262-14?
Common applications include communications, cellular base stations, software defined radios, portable medical imaging, multi-channel data acquisition, and nondestructive testing. - Is the LTC2262-14 pin compatible with other versions?
Yes, it is pin compatible with 12-bit and 14-bit versions.
