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. The device features ultralow jitter of 0.17ps RMS, enabling undersampling of IF frequencies with excellent noise performance.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 14 bits |
| Sampling Rate | 150 Msps |
| Signal-to-Noise Ratio (SNR) | 72.8 dB |
| Spurious Free Dynamic Range (SFDR) | 88 dB |
| Jitter | 0.17 ps RMS |
| Power Consumption | 149 mW |
| Supply Voltage | Single 1.8V |
| Input Range | 1V P-P to 2V P-P |
| Full-Power Bandwidth S/H | 800 MHz |
| Output Type | CMOS, DDR CMOS, or DDR LVDS |
| Package | 40-Lead QFN (6mm x 6mm x 0.75mm) |
Key Features
- Low power consumption of 149 mW
- Single 1.8V supply voltage
- CMOS, DDR CMOS, or DDR LVDS output options
- Selectable input ranges from 1V P-P to 2V P-P
- 800 MHz full-power bandwidth sample-and-hold
- 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 LTC2262-14 ADC?
The LTC2262-14 has a resolution of 14 bits.
- What is the sampling rate of the LTC2262-14?
The sampling rate of the LTC2262-14 is 150 Msps.
- What is the signal-to-noise ratio (SNR) of the LTC2262-14?
The SNR of the LTC2262-14 is 72.8 dB.
- What is the spurious free dynamic range (SFDR) of the LTC2262-14?
The SFDR of the LTC2262-14 is 88 dB.
- What is the power consumption of the LTC2262-14?
The power consumption of the LTC2262-14 is 149 mW.
- What are the output options for the LTC2262-14?
The output options include CMOS, DDR CMOS, and DDR LVDS.
- Does the LTC2262-14 support different input ranges?
Yes, the LTC2262-14 supports selectable input ranges from 1V P-P to 2V P-P.
- What is the full-power bandwidth sample-and-hold of the LTC2262-14?
The full-power bandwidth sample-and-hold of the LTC2262-14 is 800 MHz.
- Does the LTC2262-14 have power management features?
Yes, the LTC2262-14 includes shutdown and nap modes for power management.
- Is the LTC2262-14 pin compatible with other versions?
Yes, the LTC2262-14 is pin compatible with 14-bit and 12-bit versions.
