Overview
The LTC2144CUP-14#PBF is a 14-bit, two-channel simultaneously sampling 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. The ADC features excellent AC performance, including a signal-to-noise ratio (SNR) of 73.1dB and a spurious free dynamic range (SFDR) of 90dB. It also boasts ultralow jitter of 0.08ps RMS, enabling the undersampling of IF frequencies with excellent noise performance.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 14 bits |
| Sampling Rate | 105 Msps |
| Signal-to-Noise Ratio (SNR) | 73.1 dB |
| Spurious Free Dynamic Range (SFDR) | 90 dB |
| Jitter | 0.08 ps RMS |
| Power Consumption | 189 mW (total), 95 mW per channel |
| Supply Voltage | Single 1.8 V |
| Output Formats | CMOS, DDR CMOS, DDR LVDS |
| Input Ranges | 1 V P-P to 2 V P-P |
| Full Power Bandwidth S/H | 750 MHz |
| Package | 64-Lead QFN (9mm x 9mm x 0.75mm) |
Key Features
- Two-channel simultaneously sampling ADC
- Low power consumption: 189 mW total, 95 mW per channel
- Single 1.8 V supply
- CMOS, DDR CMOS, or DDR LVDS outputs
- Selectable input ranges: 1 V P-P to 2 V P-P
- 750 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
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 LTC2144CUP-14#PBF ADC?
The LTC2144CUP-14#PBF has a resolution of 14 bits.
- What is the sampling rate of the LTC2144CUP-14#PBF?
The sampling rate is 105 Msps.
- What are the output formats available for the LTC2144CUP-14#PBF?
The output formats include CMOS, DDR CMOS, and DDR LVDS.
- What is the power consumption of the LTC2144CUP-14#PBF?
The total power consumption is 189 mW, with 95 mW per channel.
- What are the input ranges for the LTC2144CUP-14#PBF?
The input ranges are selectable from 1 V P-P to 2 V P-P.
- Does the LTC2144CUP-14#PBF support any power management modes?
- What is the full power bandwidth of the sample-and-hold circuit?
The full power bandwidth of the sample-and-hold circuit is 750 MHz.
- Is there an optional clock duty cycle stabilizer available?
- What package type is the LTC2144CUP-14#PBF available in?
- What are some typical applications of the LTC2144CUP-14#PBF?
