Overview
The LTC2157CUP-14#PBF is a high-performance, 2-channel simultaneous sampling analog-to-digital converter (ADC) produced by Analog Devices Inc. This 14-bit ADC is designed to digitize high-frequency, wide dynamic range signals, making it ideal for demanding applications in communications, medical imaging, and high-definition video.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 14 bits |
| Number of Channels | 2 |
| Sampling Rate | 250 MS/s |
| Analog Supply Voltage | 1.8 V |
| Package / Case | 64-Pin QFN (9mm x 9mm x 0.75mm) |
| Input Type | Differential |
| Architecture | Pipeline |
| Reference Type | Internal |
| SNR | 70 dB |
| SFDR | 90 dB |
| Power Dissipation | 605 mW |
| INL (Integral Nonlinearity) | ±0.85 LSB |
| DNL (Differential Nonlinearity) | ±0.25 LSB |
| Operating Temperature | -40°C to 85°C |
| Data Interface | DDR LVDS |
Key Features
- Simultaneous sampling of two channels
- High-speed sampling rate of 250 MS/s
- Single 1.8V supply voltage
- DDR LVDS outputs
- Easy-to-drive 1.5V P-P input range
- 1.25 GHz full power bandwidth sample-and-hold (S/H)
- Optional clock duty cycle stabilizer
- Low power sleep and nap modes
- Serial SPI port for configuration
- Pin-compatible 12-bit versions
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#PBF?
The LTC2157CUP-14#PBF has a resolution of 14 bits. - How many channels does the LTC2157CUP-14#PBF support?
The LTC2157CUP-14#PBF supports 2 channels. - What is the sampling rate of the LTC2157CUP-14#PBF?
The sampling rate is 250 MS/s. - What is the analog supply voltage for the LTC2157CUP-14#PBF?
The analog supply voltage is 1.8 V. - What type of package does the LTC2157CUP-14#PBF come in?
The LTC2157CUP-14#PBF comes in a 64-Pin QFN package. - What is the SNR of the LTC2157CUP-14#PBF?
The SNR is 70 dB. - What is the SFDR of the LTC2157CUP-14#PBF?
The SFDR is 90 dB. - Does the LTC2157CUP-14#PBF support low power modes?
Yes, it supports low power sleep and nap modes. - What type of data interface does the LTC2157CUP-14#PBF use?
The data interface is DDR LVDS. - Is the LTC2157CUP-14#PBF pin-compatible with other versions?
Yes, it is pin-compatible with 12-bit versions.
