Overview
The LTC2145IUP-14 is a 14-bit, dual-channel simultaneous sampling analog-to-digital converter (ADC) produced by Analog Devices Inc. This component is designed to digitize 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 |
| SNR | 73.1 dB |
| SFDR | 90 dB |
| Power Consumption | 189 mW (total), 95 mW per channel |
| Supply Voltage | Single 1.8 V |
| Input Range | 1 V p-p to 2 V p-p |
| Full Power Bandwidth | 750 MHz |
| Output Options | CMOS, DDR CMOS, DDR LVDS |
| Package | 64-Lead QFN (9mm x 9mm x 0.75mm) |
Key Features
- Two-channel simultaneous sampling
- Low power consumption with shutdown and nap modes
- Optional data output randomizer and clock duty cycle stabilizer
- Serial SPI port for configuration
- Ultralow jitter of 0.08 ps RMS
- DC specs include ±1 LSB INL (typ), ±0.3 LSB DNL (typ), and no missing codes over temperature
- Transition noise of 1.2 LSB 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 LTC2145IUP-14 ADC? The resolution is 14 bits.
- What is the maximum sampling rate of the LTC2145IUP-14? The maximum sampling rate is 125 Msps.
- What is the signal-to-noise ratio (SNR) of the LTC2145IUP-14? The SNR is 73.1 dB.
- What are the available output options for the LTC2145IUP-14? The output options include CMOS, DDR CMOS, and DDR LVDS.
- What is the power consumption of the LTC2145IUP-14? The total power consumption is 189 mW, with 95 mW per channel.
- What is the package type of the LTC2145IUP-14? The package is a 64-Lead QFN (9mm x 9mm x 0.75mm).
- Does the LTC2145IUP-14 support simultaneous sampling? Yes, it supports two-channel simultaneous sampling.
- What are the input range options for the LTC2145IUP-14? The input range options are 1 V p-p to 2 V p-p.
- Is there an optional clock duty cycle stabilizer available? Yes, there is an optional clock duty cycle stabilizer available.
- What is the full power bandwidth of the LTC2145IUP-14? The full power bandwidth is 750 MHz.
