Overview
The LTC2143IUP-14#PBF is a 14-bit, dual-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 applications. It features high 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 excellent noise performance when undersampling IF frequencies.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 14 bits |
| Sampling Rate | 80 Msps |
| Signal-to-Noise Ratio (SNR) | 73.1 dB |
| Spurious Free Dynamic Range (SFDR) | 90 dB |
| Jitter | 0.08 ps RMS |
| Input Range | 1 V P-P to 2 V P-P |
| Full Power Bandwidth S/H | 750 MHz |
| Power Consumption | 189 mW / 149 mW / 113 mW total, 95 mW / 75 mW / 57 mW per channel |
| Supply Voltage | Single 1.8 V |
| Output Type | CMOS, DDR CMOS, or DDR LVDS |
| Package | 64-Lead QFN (9mm x 9mm x 0.75mm) |
Key Features
- Two-channel simultaneously sampling ADC
- Low power consumption: 189mW/149mW/113mW total, 95mW/75mW/57mW per channel
- Single 1.8V supply
- CMOS, DDR CMOS, or DDR LVDS outputs
- Selectable input ranges: 1V P-P to 2V P-P
- 750MHz full power bandwidth S/H
- Optional data output randomizer
- Optional clock duty cycle stabilizer
- Shutdown and nap modes
- 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 LTC2143IUP-14#PBF ADC?
The resolution of the LTC2143IUP-14#PBF is 14 bits.
- What is the sampling rate of this ADC?
The sampling rate of the LTC2143IUP-14#PBF is 80 Msps.
- What is the signal-to-noise ratio (SNR) of this ADC?
The SNR of the LTC2143IUP-14#PBF is 73.1 dB.
- What types of output interfaces are supported by this ADC?
The LTC2143IUP-14#PBF supports CMOS, DDR CMOS, or DDR LVDS outputs.
- What is the power consumption of this ADC?
The total power consumption is 189 mW / 149 mW / 113 mW, with 95 mW / 75 mW / 57 mW per channel.
- What is the package type and size of the LTC2143IUP-14#PBF?
The package is a 64-Lead QFN with dimensions of 9mm x 9mm x 0.75mm.
- Does the ADC support differential or single-ended inputs?
Yes, the ENC+ and ENC- inputs may be driven differentially or single-ended.
- What are some of the key applications for this ADC?
Key applications include communications, cellular base stations, software defined radios, portable medical imaging, multi-channel data acquisition, and nondestructive testing.
- Does the ADC have any power-saving modes?
Yes, the LTC2143IUP-14#PBF has shutdown and nap modes for power saving.
- How can the ADC be configured?
The ADC can be configured via a serial SPI port.
