The ADCLK946 is an ultrafast clock fanout buffer designed for high-speed applications requiring low jitter. It is fabricated on Analog Devices' proprietary XFCB3 silicon germanium (SiGe) bipolar process. The device operates at a frequency of 4.8 GHz and has a broadband random jitter of 75 fs rms. It supports various input types and can be used in clock distribution, signal restoration, level translation, wireless and wired communications, medical and industrial imaging, ATE, and high-performance instrumentation.
The ADCLK946 is an ultrafast SiGe clock fanout buffer offering six LVPECL outputs and a 4.8 GHz operating frequency. It supports a variety of input standards (LVPECL, CML, CMOS, LVDS) and provides low jitter performance (75 fs rms) for high‑speed clock distribution and signal restoration.
The datasheet details electrical and timing characteristics, power requirements, absolute maximum ratings, thermal performance, pin configuration, and ordering information for the 24‑lead LFCSP package, covering the –40 °C to +85 °C industrial temperature range.
| Operating frequency | 4.8 GHz |
|---|---|
| Broadband random jitter | 75 fs rms |
| Supply voltage requirement | 3.3 V (2.97‑3.63 V) |
| Differential output swing | 1.6 V |
| Maximum supply voltage | 6.0 V |
| Operating temperature range | -40 °C to +85 °C |
| Package | 24‑lead LFCSP |
The device can operate up to 4.8 GHz.
It requires a 3.3 V supply, with a typical range of 2.97 V to 3.63 V.
The datasheet specifies a broadband random jitter of 75 fs rms.
It is specified for operation from –40 °C to +85 °C.