Overview
The LTC2185IUP#PBF is a high-performance, two-channel simultaneously sampling analog-to-digital converter (ADC) produced by Analog Devices Inc. This 16-bit ADC is designed for digitizing high-frequency, wide dynamic range signals, making it ideal for demanding communications and other high-speed applications. It features low power consumption, high signal-to-noise ratio (SNR), and spurious free dynamic range (SFDR), along with various output options and configuration capabilities.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 16-bit |
| Sampling Rate | 125 Msps |
| Signal-to-Noise Ratio (SNR) | 76.8 dB |
| Spurious Free Dynamic Range (SFDR) | 90 dB |
| Full Power Bandwidth S/H | 550 MHz |
| Power Consumption (Total/Per Channel) | 185mW/154mW/100mW per channel |
| Supply Voltage | Single 1.8V |
| Output Options | CMOS, DDR CMOS, DDR LVDS |
| Input Range | 1V P-P to 2V P-P |
| Package | 64-Pin QFN (9mm x 9mm x 0.75mm) |
Key Features
- Two-channel simultaneously sampling ADC
- Low power consumption: 370mW/308mW/200mW total, 185mW/154mW/100mW 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
- Ultralow jitter of 0.07ps 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 LTC2185IUP#PBF ADC?
The LTC2185IUP#PBF has a resolution of 16 bits. - What is the maximum sampling rate of the LTC2185IUP#PBF?
The maximum sampling rate is 125 Msps. - What are the output options for the LTC2185IUP#PBF?
The output options include CMOS, DDR CMOS, and DDR LVDS. - What is the power consumption of the LTC2185IUP#PBF?
The total power consumption is 185mW/154mW/100mW per channel. - What is the supply voltage for the LTC2185IUP#PBF?
The supply voltage is a single 1.8V. - What are the selectable input ranges for the LTC2185IUP#PBF?
The selectable input ranges are from 1V P-P to 2V P-P. - Does the LTC2185IUP#PBF have any power management features?
Yes, it has shutdown and nap modes for power management. - How is the LTC2185IUP#PBF configured?
It is configured via a serial SPI port. - What is the jitter performance of the LTC2185IUP#PBF?
The jitter performance is 0.07ps RMS. - In what applications is the LTC2185IUP#PBF commonly used?
It is commonly used in communications, cellular base stations, software defined radios, portable medical imaging, multi-channel data acquisition, and nondestructive testing.
