The DS4077 is an integrated voltage-controlled crystal oscillator (VCXO) module designed to provide reference clock generation in base stations, telecom/datacom, and wireless applications.
The DS4077 is an integrated voltage-controlled crystal oscillator (VCXO) module designed to provide reference clock generation in base stations, telecom/datacom, and wireless applications. It utilizes a fundamental quartz crystal plus a unique integrated circuit design to achieve low phase noise and jitter performance better than 1ps RMS over the 12kHz to 80MHz range.
The device is available with LVCMOS or LVDS complementary output buffers in a 9-pin LGA package. Key features include an operating temperature range of -40°C to +85°C, a frequency tuning sensitivity of up to 164 ppm/V, and an absolute pull range (APR) of ±69ppm.
| Frequency (fNom) | 77.76 MHz |
|---|---|
| Operating Supply Range | 3.135V to 3.465V |
| Jitter (RMS) | < 1ps |
| Absolute Pull Range | +/-69ppm |
| Operating Temperature Range | -40°C to +85°C |
| Package Type | 9 LGA Plastic |
The nominal frequency (fNom) of the DS4077 is 77.76 MHz.
The module provides reference clock generation for base stations, telecom/datacom, and wireless applications.
The frequency tuning sensitivity is typically 164 ppm/V at a supply voltage of 3.3V.