Overview
The LTC2145IUP-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 |
| Sample Rate | 125 Msps |
| Signal-to-Noise Ratio (SNR) | 73.1 dB |
| Spurious Free Dynamic Range (SFDR) | 90 dB |
| Power Consumption (Total/Per Channel) | 189mW / 95mW per channel |
| Supply Voltage | 1.8 V |
| Input Range | 1 V P-P to 2 V P-P |
| Full Power Bandwidth S/H | 750 MHz |
| Output Options | CMOS, DDR CMOS, DDR LVDS |
| Package | 64-Lead QFN (9mm x 9mm x 0.75mm) |
Key Features
- Two-channel simultaneously sampling ADC
- Low power consumption: 189mW total, 95mW 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
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 LTC2145IUP-14#PBF ADC?
The resolution of the LTC2145IUP-14#PBF is 14 bits. - What is the sample rate of this ADC?
The sample rate is 125 Msps. - What is the signal-to-noise ratio (SNR) of this ADC?
The SNR is 73.1 dB. - What are the output options for this ADC?
The output options include CMOS, DDR CMOS, and DDR LVDS. - What is the power consumption of this ADC?
The total power consumption is 189mW, with 95mW per channel. - What are the input range options for this ADC?
The input range can be selected from 1 V P-P to 2 V P-P. - Does this ADC have any power management features?
Yes, it includes shutdown and nap modes for power management. - How is the device configured?
The device can be configured via a serial SPI port. - What are some typical applications for this ADC?
Typical applications include communications, cellular base stations, software defined radios, portable medical imaging, and multi-channel data acquisition. - What is the package type of this ADC?
The package type is a 64-Lead QFN (9mm x 9mm x 0.75mm).
