Overview
The LTC2261CUJ-14#PBF is a 14-bit, high-speed 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 and other high-performance applications. It operates on a single 1.8V supply and features ultralow power consumption, with options for different output formats and advanced noise reduction capabilities.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 14 bits |
| Sampling Rate | 125/105/80 Msps |
| Supply Voltage | 1.8V |
| Power Consumption | 127mW/106mW/89mW |
| Signal-to-Noise Ratio (SNR) | 73.4 dB |
| Spurious Free Dynamic Range (SFDR) | 85 dB |
| Input Range | 1VP-P to 2VP-P |
| Output Formats | CMOS, DDR CMOS, DDR LVDS |
| Package | 40-Lead QFN (6mm x 6mm x 0.75mm) |
| Full-Power Bandwidth | 800 MHz |
| Jitter | 0.17 psRMS |
Key Features
- Ultralow power consumption with shutdown and nap modes for power management.
- High AC performance with 73.4 dB SNR and 85 dB SFDR.
- Low jitter of 0.17 psRMS, enabling undersampling of IF frequencies.
- Selectable input ranges from 1VP-P to 2VP-P.
- Optional clock duty cycle stabilizer for high performance across various clock duty cycles.
- Optional data output randomizer.
- Serial SPI port for configuration.
- Pin-compatible 14-bit and 12-bit versions.
- Support for differential or single-ended inputs with various signal formats (sine wave, PECL, LVDS, TTL, CMOS).
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#PBF ADC?
The LTC2261CUJ-14#PBF has a resolution of 14 bits. - What are the sampling rates available for this ADC?
The sampling rates are 125 Msps, 105 Msps, and 80 Msps. - What is the supply voltage for this device?
The supply voltage is 1.8V. - How much power does the LTC2261CUJ-14#PBF consume?
The power consumption is 127mW, 106mW, or 89mW depending on the sampling rate. - What are the output formats supported by this ADC?
The output formats include CMOS, DDR CMOS, and DDR LVDS. - What is the full-power bandwidth of the LTC2261CUJ-14#PBF?
The full-power bandwidth is 800 MHz. - Can the LTC2261CUJ-14#PBF handle differential or single-ended inputs?
Yes, it can handle both differential and single-ended inputs with various signal formats. - Does the LTC2261CUJ-14#PBF have power management features?
Yes, it includes shutdown and nap modes for power management. - What is the jitter performance of the LTC2261CUJ-14#PBF?
The jitter is 0.17 psRMS. - Is the LTC2261CUJ-14#PBF pin-compatible with other versions?
Yes, it is pin-compatible with 12-bit versions.
