Overview
The LTC2142IUP-14 is a 2-channel simultaneous sampling 14-bit 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 applications. It features low power consumption, high signal-to-noise ratio (SNR), and spurious free dynamic range (SFDR), along with various output modes and configuration options.
Key Specifications
| Parameter | Value | Units |
|---|---|---|
| Resolution | 14 bits | |
| Sampling Rate | 65 Msps | |
| Signal-to-Noise Ratio (SNR) | 73.2 dB | |
| Spurious Free Dynamic Range (SFDR) | 90 dB | |
| Power Consumption (Total) | 95 mW | |
| Power Consumption (Per Channel) | 48 mW | |
| Supply Voltage | 1.8 V | |
| Input Range | 1 Vpp to 2 Vpp | |
| Full Power Bandwidth | 750 MHz | |
| Output Modes | CMOS, DDR CMOS, DDR LVDS | |
| Package | 64-Pin QFN (9mm x 9mm x 0.75mm) |
Key Features
- Two-channel simultaneous sampling ADC
- Low power consumption: 95mW total, 48mW per channel
- Single 1.8V supply voltage
- CMOS, DDR CMOS, or DDR LVDS output modes
- Selectable input ranges: 1Vpp to 2Vpp
- 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
- Ultralow jitter of 0.08ps RMS
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 LTC2142IUP-14 ADC?
The LTC2142IUP-14 has a resolution of 14 bits.
- What is the maximum sampling rate of the LTC2142IUP-14?
The maximum sampling rate is 65 Msps.
- What is the signal-to-noise ratio (SNR) of the LTC2142IUP-14?
The SNR is 73.2 dB.
- What are the available output modes for the LTC2142IUP-14?
The output modes include CMOS, DDR CMOS, and DDR LVDS.
- What is the power consumption of the LTC2142IUP-14?
The total power consumption is 95 mW, with 48 mW per channel.
- What is the supply voltage for the LTC2142IUP-14?
The supply voltage is 1.8 V.
- What are the selectable input ranges for the LTC2142IUP-14?
The input ranges are selectable from 1 Vpp to 2 Vpp.
- Does the LTC2142IUP-14 have any power management features?
Yes, it includes shutdown and nap modes for power management.
- How is the LTC2142IUP-14 configured?
It is configured via a serial SPI port.
- What is the package type of the LTC2142IUP-14?
The package is a 64-Pin QFN (9mm x 9mm x 0.75mm).
