Overview
The LTC2157CUP-14#TRPBF is a 14-bit, dual-channel, simultaneous sampling analog-to-digital converter (ADC) produced by Analog Devices Inc. This device is designed for high-performance applications requiring the digitization of high-frequency, wide dynamic range signals. It features a sampling rate of 250 Msps and is ideal for demanding communications and other high-speed applications.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 14 bits |
| Sampling Rate | 250 Msps |
| Signal-to-Noise Ratio (SNR) | 70 dB |
| Spurious Free Dynamic Range (SFDR) | 90 dB |
| Input Bandwidth | 1.25 GHz |
| Power Supply | Single 1.8V |
| Power Consumption | 650 mW (total) |
| Output Type | DDR LVDS |
| Package Type | 64-Lead QFN (9mm x 9mm x 0.75mm) |
| Latency | 5 clock cycles |
Key Features
- Low power consumption: 650 mW total power
- Single 1.8V supply
- DDR LVDS outputs
- Easy-to-drive 1.5V P-P input range
- Optional clock duty cycle stabilizer
- Low power sleep and nap modes
- Serial SPI port for configuration
- Pin-compatible 12-bit versions
- 64-pin QFN package
Applications
- Communications
- Cellular Basestations
- Software Defined Radios
- Medical Imaging
- High Definition Video
- Testing and Measurement Instruments
Q & A
- What is the resolution of the LTC2157CUP-14#TRPBF?
The resolution of the LTC2157CUP-14#TRPBF is 14 bits. - What is the sampling rate of this ADC?
The sampling rate is 250 Msps. - What is the signal-to-noise ratio (SNR) of this device?
The SNR is 70 dB. - What type of output does the LTC2157CUP-14#TRPBF have?
The output type is DDR LVDS. - What is the input bandwidth of this ADC?
The input bandwidth is 1.25 GHz. - Does the LTC2157CUP-14#TRPBF have low power modes?
Yes, it has low power sleep and nap modes. - How is the clock duty cycle managed in this device?
An optional clock duty cycle stabilizer is available for high performance at full speed. - What is the package type of the LTC2157CUP-14#TRPBF?
The package type is a 64-Lead QFN (9mm x 9mm x 0.75mm). - What are some typical applications of the LTC2157CUP-14#TRPBF?
Typical applications include communications, cellular basestations, software defined radios, medical imaging, high definition video, and testing and measurement instruments. - How many clock cycles is the latency of this ADC?
The latency is only five clock cycles.
