(PLL1705 / PLL1706) 3.3-V DUAL PLL MULTICLOCK GENERATOR
PLL1705 PLL1706
SLES046A – AUGUST 2002 – REVISED SEPTEMBER 2002
3.3-V DUAL PLL MULTICLOCK GENERATOR
FEATURES D 27-MHz M...
Description
PLL1705 PLL1706
SLES046A – AUGUST 2002 – REVISED SEPTEMBER 2002
3.3-V DUAL PLL MULTICLOCK GENERATOR
FEATURES D 27-MHz Master Clock Input D Generated Audio System Clock:
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– SCKO0: 768 fS (fS = 44.1 kHz) – SCKO1: 384 fS, 768 fS (fS = 44.1 kHz) – SCKO2: 256 fS (fS = 32, 44.1, 48, 64, 88.2, 96 kHz) – SCKO3: 384 fS (fS = 32, 44.1, 48, 64, 88.2, 96 kHz)
APPLICATIONS D DVD Players D DVD Add-On Cards for Multimedia PCs D Digital HDTV Systems D Set-Top Boxes DESCRIPTION
The PLL1705† and PLL1706† are low cost, phase-locked loop (PLL) multiclock generators. The PLL1705 and PLL1706 can generate four system clocks from a 27-MHz reference input frequency. The clock outputs of the PLL1705 can be controlled by sampling frequency-control pins and those of the PLL1706 can be controlled through serial-mode control pins. The device gives customers both cost and space savings by eliminating external components and enables customers to achieve the very low-jitter performance needed for high performance audio DACs and/or ADCs. The PLL1705 and PLL1706 are ideal for MPEG-2 applications which use a 27-MHz master clock such as DVD players, DVD add-on cards for multimedia PCs, digital HDTV systems, and set-top boxes.
D Zero PPM Error Output Clocks D Low Clock Jitter: 50 ps (Typical) D Multiple Sampling Frequencies:
– fS = 32, 44.1, 48, 64, 88.2, 96 kHz
D 3.3-V Single Power Supply D PLL1705: Parallel Control
PLL1706: Serial Control
D Package: 20-Pin SSOP (150 mil), Lead-Free
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