Overview
The LTC2140IUP-14#PBF is a 14-bit, two-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 and other high-performance 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 | 14 bits |
| Number of Channels | 2 |
| Sampling Rate | 25 Msps |
| Signal-to-Noise Ratio (SNR) | 73.2 dB |
| Spurious Free Dynamic Range (SFDR) | 90 dB |
| Power Consumption | 95mW (total), 47.5mW per channel |
| Supply Voltage | Single 1.8V |
| Output Types | CMOS, DDR CMOS, DDR LVDS |
| Input Range | 1V P-P to 2V P-P |
| Full Power Bandwidth S/H | 750 MHz |
| Package | 64-Lead QFN (9mm x 9mm x 0.75mm) |
Key Features
- Two-channel simultaneously sampling ADC
- Low power consumption: 95mW total, 47.5mW 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 and clock duty cycle stabilizer
- Shutdown and nap modes for power management
- Serial SPI port for configuration
- 64-pin QFN package
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 LTC2140IUP-14#PBF ADC?
The LTC2140IUP-14#PBF has a resolution of 14 bits. - How many channels does the LTC2140IUP-14#PBF support?
The device supports two channels. - What is the sampling rate of the LTC2140IUP-14#PBF?
The sampling rate is 25 Msps. - What are the SNR and SFDR of the LTC2140IUP-14#PBF?
The SNR is 73.2 dB, and the SFDR is 90 dB. - What are the power consumption options for the LTC2140IUP-14#PBF?
The total power consumption is 95mW, with 47.5mW per channel. - What types of output does the LTC2140IUP-14#PBF support?
The device supports CMOS, DDR CMOS, and DDR LVDS outputs. - What is the input range for the LTC2140IUP-14#PBF?
The input range is selectable from 1V P-P to 2V P-P. - What is the full power bandwidth S/H of the LTC2140IUP-14#PBF?
The full power bandwidth S/H is 750 MHz. - Does the LTC2140IUP-14#PBF have any power management features?
Yes, it has shutdown and nap modes for power management. - How is the LTC2140IUP-14#PBF configured?
The device is configured via a serial SPI port.
