Overview
The LTC2143CUP-14, produced by Analog Devices Inc., is a 2-channel simultaneous sampling 14-bit analog-to-digital converter (ADC) designed for digitizing high frequency, wide dynamic range signals. This ADC is particularly suited for demanding applications such as communications, cellular base stations, software defined radios, portable medical imaging, and multi-channel data acquisition. It offers high performance with low power consumption, making it an ideal choice for various industrial and medical applications.
Key Specifications
| Parameter | Typical Value | Units |
|---|---|---|
| Resolution | 14 bits | |
| Number of Channels | 2 | |
| Sampling Rate | 80 MS/s | |
| Analog Supply Voltage | 1.7V to 1.9V | V |
| Digital Supply Voltage | 1.1V to 1.9V | V |
| Signal-to-Noise Ratio (SNR) | 73.1 dB | dB |
| Spurious Free Dynamic Range (SFDR) | 90 dB | dB |
| Integral Nonlinearity (INL) | ±1 LSB | LSB |
| Differential Nonlinearity (DNL) | ±0.3 LSB | LSB |
| Power Dissipation | 113 mW | mW |
| Full Power Bandwidth S/H | 750 MHz | MHz |
| Output Modes | CMOS, DDR CMOS, DDR LVDS | |
| Package | 64-Pin QFN (9mm × 9mm) |
Key Features
- Two-channel simultaneous sampling ADC
- Low power consumption: 113 mW total, 57 mW per channel
- Single 1.8V supply voltage
- CMOS, DDR CMOS, or DDR LVDS output modes
- Selectable input ranges: 1V P-P to 2V 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
- High definition video and testing and measurement instruments
Q & A
- What is the resolution of the LTC2143CUP-14 ADC?
The LTC2143CUP-14 has a resolution of 14 bits.
- How many channels does the LTC2143CUP-14 ADC have?
The LTC2143CUP-14 is a 2-channel ADC.
- What is the sampling rate of the LTC2143CUP-14?
The sampling rate of the LTC2143CUP-14 is 80 MS/s.
- What is the analog supply voltage range for the LTC2143CUP-14?
The analog supply voltage range is from 1.7V to 1.9V.
- What are the output modes available for the LTC2143CUP-14?
The output modes include CMOS, DDR CMOS, and DDR LVDS.
- 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 LTC2143CUP-14 have power management features?
- How is the LTC2143CUP-14 configured?
The LTC2143CUP-14 can be configured via a serial SPI port.
- What is the typical power dissipation of the LTC2143CUP-14?
The typical power dissipation is 113 mW.
- What are some common applications of the LTC2143CUP-14?
Common applications include communications, cellular base stations, software defined radios, and portable medical imaging.
