Overview
The LTC2140IUP-14#TRPBF is a high-performance, 14-bit, dual analog-to-digital converter (ADC) produced by Analog Devices Inc. This component is designed for simultaneous sampling of high-frequency, wide dynamic range signals, making it ideal for demanding applications in communications, medical imaging, and data acquisition. The ADC 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 |
| Sampling Rate | 25 Msps |
| Signal-to-Noise Ratio (SNR) | 73.2 dB |
| Spurious Free Dynamic Range (SFDR) | 90 dB |
| Power Consumption | 95 mW (total), 48 mW per channel |
| Supply Voltage | Single 1.8 V |
| Output Types | CMOS, DDR CMOS, DDR LVDS |
| Input Range | 1 V p-p to 2 V p-p |
| Full Power Bandwidth S/H | 750 MHz |
| Package | 64-Pin QFN (9mm x 9mm x 0.75mm) |
Key Features
- Two-channel simultaneously sampling ADC
- Low power consumption: 95 mW total, 48 mW per channel
- Single 1.8 V supply
- CMOS, DDR CMOS, or DDR LVDS outputs
- Selectable input ranges: 1 V p-p to 2 V p-p
- 750 MHz 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
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#TRPBF ADC?
The resolution is 14 bits. - What is the sampling rate of this ADC?
The sampling rate is 25 Msps. - What is the signal-to-noise ratio (SNR) of this ADC?
The SNR is 73.2 dB. - What types of output can the LTC2140IUP-14#TRPBF provide?
The outputs can be CMOS, DDR CMOS, or DDR LVDS. - What is the power consumption of the LTC2140IUP-14#TRPBF?
The total power consumption is 95 mW, with 48 mW per channel. - What is the supply voltage for this ADC?
The supply voltage is a single 1.8 V. - What are the selectable input ranges for this ADC?
The input ranges are 1 V p-p to 2 V p-p. - Does the LTC2140IUP-14#TRPBF have any power management features?
Yes, it has shutdown and nap modes for power management. - How can the LTC2140IUP-14#TRPBF be configured?
It can be configured via a serial SPI port. - What are some common applications of the LTC2140IUP-14#TRPBF?
Common applications include communications, cellular base stations, software defined radios, portable medical imaging, and multi-channel data acquisition.
