ADI’s AD9543 is a four input and ten clock output digital phase lock loop (PLL) that reduces timing jitter associated with the external references. The digitally controlled loop and holdover circuitry continuously generate a low jitter output signal, even when all reference inputs fail. The device’s dual DPLL synchronizes 2 kHz to 750 MHz physical layer clocks providing frequency translation with jitter cleaning of noisy references. The AD9543 is available in a 48-lead LFCSP (7 mm × 7 mm) package and operates over the -40°C to +85°C temperature range. This device complies with ITU-T G.8262 and Telcordia GR-253, and supports Telcordia GR-1244, ITU-T G.812, G.813, G.823, G.824, G.825, and G.8273.2. The AD9543 is ideal for base stations and carrier Ethernet.
| Features |
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- Input: differential or single-ended
- Output: CML, HCSL, LVDS, or single-ended
- Frequency: 2.4 GHz
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- Voltage supply: 1.71 V to 3.465 V
- Temperature operating range: -40°C to +85°C
- Package/case: 48-LFCSP (7 mm x 7 mm)
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| Applications |
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- Carrier Ethernet
- PTP (IEEE 1588) and SyncE jitter cleanup and synchronization
- Optical transport networks (OTN)
- Base station clocking
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- Baseband and radio
- Stratum 2, Stratum 3e, and Stratum 3 holdover
- JESD204B support
- Cable infrastructures
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ADI’s AD9543 is a four input and ten clock output digital phase lock loop (PLL) that reduces timing jitter associated with the external references. The digitally controlled loop and holdover circuitry continuously generate a low jitter output signal, even when all reference inputs fail. The device’s dual DPLL synchronizes 2 kHz to 750 MHz physical layer clocks providing frequency translation with jitter cleaning of noisy references. The AD9543 is available in a 48-lead LFCSP (7 mm × 7 mm) package and operates over the -40°C to +85°C temperature range. This device complies with ITU-T G.8262 and Telcordia GR-253, and supports Telcordia GR-1244, ITU-T G.812, G.813, G.823, G.824, G.825, and G.8273.2. The AD9543 is ideal for base stations and carrier Ethernet.
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