Clock Generator
SM8707E/F
Clock Generator with Dual PLLs
OVERVIEW
The 8707E/F are dual-PLL clock generator ICs, using a 27MHz master clo...
Description
SM8707E/F
Clock Generator with Dual PLLs
OVERVIEW
The 8707E/F are dual-PLL clock generator ICs, using a 27MHz master clock, that generate independent audio clock, video clock, and signal processor clock outputs needed in DVD player/recorder applications. Each PLL loop filter and crystal oscillator circuit are built-in and require no external components, resulting in high-precision clocks. The lineup includes devices that support both 44.1/48kHz audio sampling frequencies (fs), switchable using a control pin. The sampling frequency can be switched during operation without generating any output spike noise.
FEATURES
■ Supply voltage: 3.0 to 3.6V ■ Low current consumption: 35mA typ.
(VDD=3.3V, all outputs with no load) ■ 27MHz master clock
(internal PLL reference clock) ■ Generated clocks
Video system output Audio system output
Signal processor system output
SM8707E 27.0000MHz
512fs
33.8688MHz
■ PLL loop filter built-in ■ Crystal oscillator circuit built-in ■ Sampling frequency fs: 44.1/48kHz ■ 16-pin VSOP package (Pb free)
SM8707F 27.0000MHz
768fs 16.9344MHz 33.8688MHz
■ Low jitter output (1-sigma output load capacitance typical values)
Video system output Audio and Signal processor system output
SM8707E 20ps
55ps
SM8707F 20ps
40ps
APPLICATIONS
■ DVD players/recorders ■ DVD car navigation system
PACKAGE DIMENSIONS
(Unit : mm) Weight: 0.07g
ORDERING INFOMATION
Device
Package
SM8707EV SM8707FV
16pin VSOP
SEIKO NPC CORPORATION - 1
PINOUT
(Top view)
SM8707E/F
VDD...
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