Overview
The LTC2145IUP-14#TRPBF 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 |
| Sampling Rate | 125 Msps |
| Signal-to-Noise Ratio (SNR) | 73.1 dB |
| Spurious Free Dynamic Range (SFDR) | 90 dB |
| Power Consumption | 189 mW (total), 95 mW per channel |
| Supply Voltage | Single 1.8 V |
| Output Options | 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-Lead QFN (9mm x 9mm x 0.75mm) |
Key Features
- Two-channel simultaneously sampling ADC
- Low power consumption: 189 mW total, 95 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 LTC2145IUP-14#TRPBF ADC?
The resolution is 14 bits. - What is the sampling rate of this ADC?
The sampling rate is 125 Msps. - What is the signal-to-noise ratio (SNR) of this device?
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 the LTC2145IUP-14#TRPBF?
The total power consumption is 189 mW, with 95 mW per channel. - What is the supply voltage for this device?
The supply voltage is a single 1.8 V. - What are the selectable input ranges for this ADC?
The input ranges are selectable from 1 V p-p to 2 V p-p. - Does the LTC2145IUP-14#TRPBF have any power management features?
Yes, it has 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, multi-channel data acquisition, and nondestructive testing.
