Overview
The LTC2274CUJ, produced by Analog Devices Inc., is a high-performance 16-bit analog-to-digital converter (ADC) designed to digitize high-frequency, wide dynamic range signals. It operates at a sample rate of 105Msps and features a high-speed serial interface compliant with the JEDEC Serial Interface for Data Converters specification (JESD204). This ADC is ideal for demanding applications where isolating sensitive analog circuits from noisy digital logic is crucial. It boasts an input bandwidth of 700MHz and ultra-low internal jitter of 80fs RMS, enabling excellent noise performance even during undersampling of high input frequencies.
Key Specifications
| Parameter | Value | Units |
|---|---|---|
| Sample Rate | 105 | Msps |
| Resolution | 16-bit | |
| Noise Floor | 77.7 | dBFS |
| Spurious Free Dynamic Range (SFDR) | 100 | dB |
| Input Bandwidth | 700 | MHz |
| Input Range | 1.5V P-P or 2.25V P-P | |
| Supply Voltage | 3.3 | V |
| Power Dissipation | 1300 | mW |
| Package Type | 40-Pin QFN (6mm x 6mm x 0.75mm) | |
| Operating Temperature Range | 0°C to 70°C (LTC2274C), -40°C to 85°C (LTC2274I) |
Key Features
- High Speed Serial Interface (JESD204)
- PGA Front End with 1.5V P-P or 2.25V P-P Input Range
- 700MHz Full Power Bandwidth Sample and Hold
- Optional Internal Dither
- Single 3.3V Supply
- Ultra-low internal jitter of 80fs RMS
- Clock Duty Cycle Stabilizer
- Pin Compatible Family (105Msps: LTC2274, 80Msps: LTC2273, 65Msps: LTC2272)
Applications
- Telecommunications
- Receivers
- Cellular Base Stations
- Spectrum Analysis
- Imaging Systems
- Automated Test Equipment (ATE)
Q & A
- What is the sample rate of the LTC2274CUJ?
The sample rate of the LTC2274CUJ is 105Msps.
- What is the resolution of the LTC2274CUJ?
The resolution of the LTC2274CUJ is 16 bits.
- What is the noise floor of the LTC2274CUJ?
The noise floor of the LTC2274CUJ is 77.7dBFS.
- What is the spurious free dynamic range (SFDR) of the LTC2274CUJ?
The SFDR of the LTC2274CUJ is 100dB.
- What is the input bandwidth of the LTC2274CUJ?
The input bandwidth of the LTC2274CUJ is 700MHz.
- What are the available input ranges for the LTC2274CUJ?
The available input ranges are 1.5V P-P or 2.25V P-P.
- What is the supply voltage for the LTC2274CUJ?
The supply voltage for the LTC2274CUJ is 3.3V.
- What is the power dissipation of the LTC2274CUJ?
The power dissipation of the LTC2274CUJ is 1300mW.
- What package type is the LTC2274CUJ available in?
The LTC2274CUJ is available in a 40-Pin QFN package (6mm x 6mm x 0.75mm).
- What are the operating temperature ranges for the LTC2274CUJ?
The operating temperature ranges are 0°C to 70°C (LTC2274C) and -40°C to 85°C (LTC2274I).
