Overview
The LTC2185CUP#TRPBF is a high-performance, 16-bit, dual-channel analog-to-digital converter (ADC) produced by Analog Devices Inc. This device is designed for simultaneous sampling of high-frequency, wide dynamic range signals, making it ideal for demanding communications and other high-speed applications. The ADC features low power consumption, high signal-to-noise ratio (SNR), and spurious free dynamic range (SFDR), along with various output formats and configuration options.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 16-bit |
| Sampling Rate | Up to 125 Msps |
| Signal-to-Noise Ratio (SNR) | 76.8 dB |
| Spurious Free Dynamic Range (SFDR) | 90 dB |
| Power Consumption | 370mW (total), 185mW per channel (typical) |
| Supply Voltage | Single 1.8V |
| Output Formats | CMOS, DDR CMOS, DDR LVDS |
| Input Ranges | 1V P-P to 2V P-P |
| Full Power Bandwidth S/H | 550 MHz |
| Package | 64-Lead QFN (9mm x 9mm x 0.75mm w/ EP) |
Key Features
- Two-channel simultaneous sampling ADC
- Low power consumption with shutdown and nap modes
- Optional data output randomizer and clock duty cycle stabilizer
- Serial SPI port for configuration
- Ultralow jitter of 0.07ps RMS
- DC specs include ±2LSB INL (typ), ±0.5LSB DNL (typ), and no missing codes over temperature
- Transition noise of 3.4LSB RMS
- Separate output power supply allows CMOS output swing from 1.2V to 1.8V
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 LTC2185CUP#TRPBF ADC?
The LTC2185CUP#TRPBF is a 16-bit analog-to-digital converter.
- What is the maximum sampling rate of the LTC2185CUP#TRPBF?
The maximum sampling rate is up to 125 Msps.
- What are the available output formats for the LTC2185CUP#TRPBF?
The output formats include CMOS, DDR CMOS, and DDR LVDS.
- What is the power consumption of the LTC2185CUP#TRPBF?
The total power consumption is 370mW, with 185mW per channel (typical).
- What are the input ranges for the LTC2185CUP#TRPBF?
The input ranges are from 1V P-P to 2V P-P.
- Does the LTC2185CUP#TRPBF support simultaneous sampling?
- What is the full power bandwidth of the sample and hold (S/H) for the LTC2185CUP#TRPBF?
The full power bandwidth of the S/H is 550 MHz.
- What package type is the LTC2185CUP#TRPBF available in?
The device is available in a 64-Lead QFN package (9mm x 9mm x 0.75mm w/ EP).
- Does the LTC2185CUP#TRPBF have any power-saving modes?
- How can the LTC2185CUP#TRPBF be configured?
