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PLL1708
  • PLL1708

PLL1708

ACTIVE

4.096 to 36.864-MHz, serially controlled, 3.3-V dual PLL multi-clock generator

Texas Instruments PLL1708 Product Info

1 April 2026 5

Parameters

Number of outputs

4

Output type

LVCMOS

Output frequency (max) (MHz)

0.096

Core supply voltage (V)

3.3

Output supply voltage (V)

3.3

Input type

LVCMOS

Operating temperature range (°C)

-25 to 85

Features

3.3-V VCC/VDD

Rating

Catalog

Package

SSOP (DBQ)-20-51.9 mm² 8.65 x 6

Features

  • 27-MHz Master Clock Input
  • Generated Audio System Clock (PLL1707):
    • SCKO0: 768 fS (fS = 44.1 kHz)
    • SCKO1: 768 fS, 512 fS (fS = 48 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)
  • Generated Audio System Clock (PLL1708):
    • SCKO0: 768 fS (fS = 44.1 kHz)
    • SCKO1: 768 fS, 512 fS, 384 fS , 256 fS (fS = 48 kHz)
    • SCKO2: 256 fS (fS = 16, 22.05, 24, 32, 44.1, 48, 64, 88.2, 96 kHz)
    • SCKO3: 384 fS (fS = 16, 22.05, 24, 32, 44.1, 48, 64, 88.2, 96 kHz)
  • Zero PPM Error Output Clocks
  • Low Clock Jitter: 50 ps (Typical)
  • Multiple Sampling Frequencies (PLL1707):
    • fS = 32, 44.1, 48, 64, 88.2, 96 kHz
  • Multiple Sampling Frequencies (PLL1708):
    • fS = 16, 22.05, 24, 32, 44.1, 48, 64, 88.2, 96 kHz
  • 3.3-V Single Power Supply
  • PLL1707: Parallel Control
    PLL1708: Serial Control
  • Package: 20-Pin SSOP (150 mil), Lead-Free Product
  • APPLICATIONS
    • HDD + DVD Recorders
    • DVD Recorders
    • HDD Recorders
    • DVD Players
    • DVD Add-On Cards for Multimedia PCs
    • Digital HDTV Systems
    • Set-Top Boxes

The PLL1707 and PLL1708 use the same die and they are electrically identical except for mode control.

  • 27-MHz Master Clock Input
  • Generated Audio System Clock (PLL1707):
    • SCKO0: 768 fS (fS = 44.1 kHz)
    • SCKO1: 768 fS, 512 fS (fS = 48 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)
  • Generated Audio System Clock (PLL1708):
    • SCKO0: 768 fS (fS = 44.1 kHz)
    • SCKO1: 768 fS, 512 fS, 384 fS , 256 fS (fS = 48 kHz)
    • SCKO2: 256 fS (fS = 16, 22.05, 24, 32, 44.1, 48, 64, 88.2, 96 kHz)
    • SCKO3: 384 fS (fS = 16, 22.05, 24, 32, 44.1, 48, 64, 88.2, 96 kHz)
  • Zero PPM Error Output Clocks
  • Low Clock Jitter: 50 ps (Typical)
  • Multiple Sampling Frequencies (PLL1707):
    • fS = 32, 44.1, 48, 64, 88.2, 96 kHz
  • Multiple Sampling Frequencies (PLL1708):
    • fS = 16, 22.05, 24, 32, 44.1, 48, 64, 88.2, 96 kHz
  • 3.3-V Single Power Supply
  • PLL1707: Parallel Control
    PLL1708: Serial Control
  • Package: 20-Pin SSOP (150 mil), Lead-Free Product
  • APPLICATIONS
    • HDD + DVD Recorders
    • DVD Recorders
    • HDD Recorders
    • DVD Players
    • DVD Add-On Cards for Multimedia PCs
    • Digital HDTV Systems
    • Set-Top Boxes

The PLL1707 and PLL1708 use the same die and they are electrically identical except for mode control.

Description

The PLL1707 are low cost, phase-locked loop (PLL) multiclock generators. The PLL1707 and PLL1708 can generate four system clocks from a 27-MHz reference input frequency. The clock outputs of the PLL1707 can be controlled by sampling frequency-control pins and those of the PLL1708 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 PLL1707 and PLL1708 are ideal for MPEG-2 applications which use a 27-MHz master clock such as DVD recorders, HDD recorders, DVD add-on cards for multimedia PCs, digital HDTV systems, and set-top boxes.

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