Product Overview
The AC2301 is a 3GHz, 10-channel differential fanout buffer designed for high-frequency, low-jitter clock/data distribution and level translation. The input clock can be selected from two differential inputs or a single crystal input. The selected input clock is distributed to two output groups, each consisting of five differential outputs and one LVCMOS output with sync functionality.
Typical Applications:
Clock distribution and level translation for ADCs, DACs, XAUI, SATA/SAS, SONET/SDH, CPRI, Fibre Channel, Multi-Gigabit Ethernet, and high-frequency backplanes
Switches, routers, line interface cards, timing cards
Servers, computing, PCI Express (PCIe 3.0, 4.0)
Remote Radio Units and Base Station Units
Technical Specifications
Technical Indicators
| Key Features | |
| 3:1 Input Multiplexer | Two universal inputs operate up to 2.1GHz and support LVPECL, LVDS, CML, SSTL, HSTL, HCSL, or single-ended clocks. |
| Single crystal input supports crystals from 10 to 40MHz or single-ended clocks. | |
| Two groups, each with 5 differential outputs | LVPECL, LVDS, HCSL, or high-impedance (Hi-Z) (selectable per group) |
| LVPECL additive jitter at 156.25MHz input clock source | 41fs RMS (10kHz to 20MHz) |
| 35fs RMS (1MHz to 20MHz) | |
| High PSSR | -80/-58dBc (LVPECL/LVDS) @ 156.25MHz |
| LVCMOS output with synchronous enable control | |
| Configuration by pin control | |
| VCC core power supply | 3.3V±5% |
| 3 independent VCCO output power supplies | 3.3V/2.5V±5% |
| Industrial temperature range | -40℃ to +85℃ |
| QFN48 package | 7.0x7.0x0.75mm |
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