Overview
The LTC2144CUP-14#TRPBF is a 14-bit, two-channel simultaneous 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. It features excellent AC performance, including a signal-to-noise ratio (SNR) of 73.1 dB and a spurious free dynamic range (SFDR) of 90 dB. The ADC also boasts ultralow jitter of 0.08 ps RMS, enabling 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 |
| Full Power Bandwidth | 750 MHz |
| Power Consumption | 189 mW (total), 95 mW per channel |
| Supply Voltage | Single 1.8 V |
| Output Type | CMOS, DDR CMOS, or DDR LVDS |
| Input Range | Selectable: 1 V P-P to 2 V P-P |
| Package | 64-Lead QFN (9mm x 9mm x 0.75mm) |
Key Features
- Two-channel simultaneous 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#TRPBF ADC?
The resolution of the LTC2144CUP-14#TRPBF is 14 bits. - What is the sampling rate of this ADC?
The sampling rate is 105 Msps. - What is the signal-to-noise ratio (SNR) of this ADC?
The SNR is 73.1 dB. - What types of output can the LTC2144CUP-14#TRPBF provide?
The outputs can be CMOS, DDR CMOS, or DDR LVDS. - What is the power consumption of this ADC?
The total power consumption is 189 mW, with 95 mW per channel. - What are the selectable input ranges for this ADC?
The input ranges are selectable from 1 V P-P to 2 V P-P. - Does the LTC2144CUP-14#TRPBF support power management features?
Yes, it supports shutdown and nap modes for power management. - How is the LTC2144CUP-14#TRPBF configured?
It can be configured via a serial SPI port. - What is the package type of the LTC2144CUP-14#TRPBF?
The package is a 64-Lead QFN (9mm x 9mm x 0.75mm). - What are some typical applications of the LTC2144CUP-14#TRPBF?
Typical applications include communications, cellular base stations, software defined radios, portable medical imaging, and multi-channel data acquisition.
