Overview
The LTC2262CUJ-14 is a high-performance, 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 a sampling rate of 150 Msps and operates on a single 1.8V supply, ensuring low power consumption while maintaining high performance.
Key Specifications
| Parameter | Conditions | Min | Typ | Max | Units |
|---|---|---|---|---|---|
| Resolution | 14 | 14 | 14 | Bits | |
| Sampling Rate | 150 | Msps | |||
| Signal-to-Noise Ratio (SNR) | 72.8 | dB | |||
| Spurious Free Dynamic Range (SFDR) | 88 | dB | |||
| Integral Non-Linearity (INL) | -1 | ±1 | 1 | LSB | |
| Differential Non-Linearity (DNL) | -0.3 | ±0.3 | 0.3 | LSB | |
| Transition Noise | 1.2 | LSBRMS | |||
| Analog Supply Voltage (VDD) | 1.7 | 1.8 | 1.9 | V | |
| Output Supply Voltage (OVDD) | 1.7 | 1.8 | 1.9 | V | |
| Analog Supply Current | Sine Wave Input | 84 | 98 | 113 | mA |
| Digital Supply Current | 1-Lane Mode, 1.75mA | 11 | 20 | 28 | mA |
| Power Dissipation | 1-Lane Mode, 1.75mA | 171 | 187 | 202 | mW |
| Package | 40-Pin QFN |
Key Features
- Simultaneous sampling of two channels
- Ultralow jitter of 0.17psRMS, enabling undersampling of IF frequencies with excellent noise performance
- Selectable input ranges: 1VP-P to 2VP-P
- 800MHz full power bandwidth sample-and-hold (S/H)
- Serial LVDS outputs: full rate CMOS, double data rate CMOS, or double data rate LVDS
- Optional clock duty cycle stabilizer for high performance across a wide range of clock duty cycles
- Shutdown and nap modes for power management
- Serial SPI port for configuration
- Pin compatible with 14-bit and 12-bit versions
Applications
- Communications: cellular base stations, software-defined radios
- Portable medical imaging
- Multichannel data acquisition
- Nondestructive testing
Q & A
- What is the sampling rate of the LTC2262CUJ-14 ADC?
The LTC2262CUJ-14 ADC has a sampling rate of 150 Msps.
- What is the signal-to-noise ratio (SNR) of the LTC2262CUJ-14?
The SNR of the LTC2262CUJ-14 is 72.8 dB.
- What is the spurious free dynamic range (SFDR) of the LTC2262CUJ-14?
The SFDR of the LTC2262CUJ-14 is 88 dB.
- What are the input ranges for the LTC2262CUJ-14?
The input ranges for the LTC2262CUJ-14 are selectable from 1VP-P to 2VP-P.
- What types of digital outputs does the LTC2262CUJ-14 support?
The LTC2262CUJ-14 supports full rate CMOS, double data rate CMOS, and double data rate LVDS outputs.
- Does the LTC2262CUJ-14 have power management features?
Yes, the LTC2262CUJ-14 has shutdown and nap modes for power management.
- What is the package type of the LTC2262CUJ-14?
The LTC2262CUJ-14 comes in a 40-Pin QFN package.
- Is the LTC2262CUJ-14 compatible with other versions?
Yes, the LTC2262CUJ-14 is pin compatible with 14-bit and 12-bit versions.
- What is the operating voltage of the LTC2262CUJ-14?
The LTC2262CUJ-14 operates on a single 1.8V supply.
- Does the LTC2262CUJ-14 support SPI configuration?
Yes, the LTC2262CUJ-14 has a serial SPI port for configuration.
