Overview
The LTC2205CUK-14 is a high-performance, 14-bit analog-to-digital converter (ADC) designed by Analog Devices Inc. This device is part of the LTC2205 family and is optimized for digitizing high-frequency, wide dynamic range signals up to input frequencies of 700MHz. It features a pipelined architecture and is particularly suited for demanding communications applications due to its excellent AC performance and low jitter characteristics.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 14 bits |
| Sampling Rate | 65 MS/s |
| Signal-to-Noise Ratio (SNR) | 78.3 dB (2.25V P-P range), 76.5 dB (1.5V P-P range) |
| Spurious Free Dynamic Range (SFDR) | 98 dB (2.25V P-P range), 90 dB (1.5V P-P range) |
| Full Power Bandwidth | 700 MHz |
| Power Supply | Single 3.3V |
| Power Dissipation | 600 mW |
| Package | 48-Pin QFN (7mm × 7mm × 0.75mm) |
| Operating Temperature | 0°C to 70°C |
| Integral Nonlinearity (INL) | ±0.6 LSB |
| Differential Nonlinearity (DNL) | ±0.2 LSB |
Key Features
- PGA front end with 2.25V P-P or 1.5V P-P input range
- Optional internal dither and data output randomizer
- Optional clock duty cycle stabilizer
- Out-of-range indicator
- Pin compatible with other LTC220x family members
- Ultralow jitter of 90fs RMS
- Separate output power supply allowing CMOS output swing from 0.5V to 3.6V
- ENC+ and ENC– inputs can be driven differentially or single-ended with various signal types (sine wave, PECL, LVDS, TTL, CMOS)
Applications
- Telecommunications
- Receivers
- Cellular Base Stations
- Spectrum Analysis
- Imaging Systems
- Automated Test Equipment (ATE)
Q & A
- What is the maximum sampling rate of the LTC2205CUK-14?
The maximum sampling rate of the LTC2205CUK-14 is 65 MS/s.
- What is the resolution of the LTC2205CUK-14?
The resolution of the LTC2205CUK-14 is 14 bits.
- What is the signal-to-noise ratio (SNR) of the LTC2205CUK-14?
The SNR of the LTC2205CUK-14 is 78.3 dB for a 2.25V P-P range and 76.5 dB for a 1.5V P-P range.
- What is the spurious free dynamic range (SFDR) of the LTC2205CUK-14?
The SFDR of the LTC2205CUK-14 is 98 dB for a 2.25V P-P range and 90 dB for a 1.5V P-P range.
- What is the full power bandwidth of the LTC2205CUK-14?
The full power bandwidth of the LTC2205CUK-14 is 700 MHz.
- What type of power supply does the LTC2205CUK-14 use?
The LTC2205CUK-14 uses a single 3.3V power supply.
- What is the power dissipation of the LTC2205CUK-14?
The power dissipation of the LTC2205CUK-14 is 600 mW.
- What package type is the LTC2205CUK-14 available in?
The LTC2205CUK-14 is available in a 48-Pin QFN package (7mm × 7mm × 0.75mm).
- What are the operating temperature ranges for the LTC2205CUK-14?
The operating temperature range for the LTC2205CUK-14 is 0°C to 70°C.
- Can the ENC+ and ENC– inputs be driven differentially or single-ended?
Yes, the ENC+ and ENC– inputs can be driven differentially or single-ended with various signal types such as sine wave, PECL, LVDS, TTL, or CMOS.
