Overview
The LTC2152CUJ-14, produced by Analog Devices Inc., is a high-performance 14-bit analog-to-digital converter (ADC) designed to digitize high-frequency, wide dynamic range signals. This ADC is part of the LTC2152 family, which includes 12-bit and 14-bit versions, each optimized for demanding applications such as communications, cellular base stations, software-defined radios, medical imaging, and high-definition video.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 14 bits |
| Sampling Rate | 250 Msps |
| Signal-to-Noise Ratio (SNR) | 70 dB |
| Spurious Free Dynamic Range (SFDR) | 90 dB |
| Input Bandwidth | 1.25 GHz |
| Supply Voltage | Single 1.8 V |
| Power Consumption | 356 mW (total) |
| Output Type | DDR LVDS |
| Input Range | 1.5 V P-P |
| Pipeline Latency | 5 clock cycles |
| Package | 40-pin (6mm × 6mm) QFN |
Key Features
- High AC performance with 70 dB SNR and 90 dB SFDR
- Low power consumption: 356 mW total
- Single 1.8 V supply
- DDR LVDS outputs for high-speed data transfer
- Easy-to-drive 1.5 V P-P input range
- Optional clock duty cycle stabilizer for high performance across various clock duty cycles
- Low power sleep and nap modes for power efficiency
- Serial SPI port for configuration
- Pin compatible with 12-bit versions
Applications
- Communications
- Cellular base stations
- Software-defined radios
- Medical imaging
- High-definition video
- Testing and measurement instruments
Q & A
- What is the resolution of the LTC2152CUJ-14 ADC?
The LTC2152CUJ-14 is a 14-bit analog-to-digital converter. - What is the maximum sampling rate of the LTC2152CUJ-14?
The maximum sampling rate is 250 Msps. - What is the signal-to-noise ratio (SNR) of the LTC2152CUJ-14?
The SNR is 70 dB. - What type of output does the LTC2152CUJ-14 use?
The output type is double-data rate (DDR) LVDS. - What is the input bandwidth of the LTC2152CUJ-14?
The input bandwidth is 1.25 GHz. - Does the LTC2152CUJ-14 have power-saving modes?
Yes, it has low power sleep and nap modes. - How is the LTC2152CUJ-14 configured?
It is configured via a serial SPI port. - What is the package type of the LTC2152CUJ-14?
The package is a 40-pin (6mm × 6mm) QFN. - What are some typical applications of the LTC2152CUJ-14?
Typical applications include communications, cellular base stations, software-defined radios, medical imaging, and high-definition video. - Can the LTC2152CUJ-14 handle high-frequency inputs?
Yes, it can undersample high frequencies with good performance due to its 1.25 GHz input bandwidth.
