Overview
The LTC2145CUP-14#TRPBF is a high-performance, 14-bit, dual-channel analog-to-digital converter (ADC) produced by Analog Devices Inc. This device is designed for applications requiring simultaneous sampling of high-frequency, wide dynamic range signals. It features a sampling rate of 125 Msps and is particularly suited for demanding communications and data acquisition applications.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 14 bits |
| Sampling Rate | 125 Msps |
| Number of Analog Input Channels | 2 |
| Signal-to-Noise Ratio (SNR) | 73.1 dB |
| Spurious Free Dynamic Range (SFDR) | 90 dB |
| Full Power Bandwidth | 750 MHz |
| Supply Voltage (Analog/Digital) | 1.7V to 1.9V |
| Power Consumption (Total/Per Channel) | 189mW / 95mW per channel |
| Output Format | CMOS, DDR CMOS, or DDR LVDS |
| Package Type | 64-Lead QFN (9mm x 9mm x 0.75mm with EP) |
Key Features
- Two-channel simultaneous sampling
- Low power consumption: 189mW total, 95mW per channel
- Single 1.8V supply
- CMOS, DDR CMOS, or DDR LVDS outputs
- Selectable input ranges: 1V P-P to 2V P-P
- 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 LTC2145CUP-14#TRPBF ADC?
The resolution of the LTC2145CUP-14#TRPBF is 14 bits. - What is the sampling rate of this ADC?
The sampling rate is 125 Msps. - How many analog input channels does this ADC have?
This ADC has 2 analog input channels. - What is the signal-to-noise ratio (SNR) of this ADC?
The SNR is 73.1 dB. - What are the available output formats for this ADC?
The output formats include CMOS, DDR CMOS, and DDR LVDS. - What is the power consumption of this ADC?
The total power consumption is 189mW, with 95mW per channel. - What is the package type of this ADC?
The package type is a 64-Lead QFN (9mm x 9mm x 0.75mm with EP). - What are some common applications for this ADC?
Common applications include communications, cellular base stations, software defined radios, portable medical imaging, multi-channel data acquisition, and nondestructive testing. - Does this ADC support simultaneous sampling?
Yes, it supports two-channel simultaneous sampling. - What is the full power bandwidth of this ADC?
The full power bandwidth is 750 MHz.
