Overview
The LTC2144IUP-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, allowing for 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 |
| Power Consumption | 189 mW (total), 95 mW per channel |
| Supply Voltage | Single 1.8 V |
| Output Formats | CMOS, DDR CMOS, DDR LVDS |
| Input Range | 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 w/ EP) |
| Operating Temperature Range | -40°C to 85°C |
Key Features
- Two-channel simultaneous sampling ADC
- Low power consumption: 189 mW total, 95 mW per channel
- 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
- Ultralow jitter of 0.08 ps RMS
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 LTC2144IUP-14#TRPBF ADC?
The LTC2144IUP-14#TRPBF has a resolution of 14 bits. - What is the sampling rate of this ADC?
The sampling rate is 105 Msps. - What are the output formats available for this ADC?
The output formats include CMOS, DDR CMOS, and DDR LVDS. - What is the power consumption of the LTC2144IUP-14#TRPBF?
The total power consumption is 189 mW, with 95 mW per channel. - What are the input range options for this ADC?
The input range can be selected from 1 V p-p to 2 V p-p. - 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. - Does the LTC2144IUP-14#TRPBF support any power-saving modes?
Yes, it supports shutdown and nap modes for power management. - What is the operating temperature range of this ADC?
The operating temperature range is from -40°C to 85°C. - What package type is used for the LTC2144IUP-14#TRPBF?
The package type is a 64-Lead QFN (9mm x 9mm x 0.75mm w/ EP). - What are some typical applications for the LTC2144IUP-14#TRPBF?
Typical applications include communications, cellular base stations, software defined radios, portable medical imaging, and multi-channel data acquisition.
