PDF SM8707FV Data sheet ( Hoja de datos )

Número de pieza	SM8707FV
Descripción	Clock Generator with Dual PLLs
Fabricantes	Nippon Precision Circuits Inc
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No Preview Available ! SM8707 series Clock Generator with Dual PLLs OVERVIEW The SM8707 series 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 I Supply voltage: 3.0 to 3.6V I PLL loop ﬁlter built-in I Low current consumption: 35mA typ. I Crystal oscillator circuit built-in (VDD = 3.3V, all outputs with no load) I 27MHz master clock I Sampling frequency fs: 44.1/48kHz I 16-pin VSOP package (Pb free) (internal PLL reference clock) I Generated clocks (Refer to “Output Frequency Listing” on page 18 for details.) Video system output Audio system output SM8707D 27.0000MHz 512fs 768fs1 384fs1 Signal processor 16.9344MHz system output 33.8688MHz SM8707E 27.0000MHz 512fs 33.8688MHz SM8707F 27.0000MHz 768fs 16.9344MHz 33.8688MHz SM8707G 27.0000MHz − 33.8688MHz SM8707H 27.0000MHz 512fs 16.9344MHz 33.8688MHz 36.8640MHz 1. 384fs (fs = 44.1kHz)/768fs (fs = 48kHz) I Low jitter output (1-sigma output load capacitance typical values) SM8707K − 768fs 18.4320MHz 24.5760MHz 33.8688MHz 36.8640MHz SM8707L 27.0000MHz 768fs 24.5760MHz 33.8688MHz Video system output Audio and Signal processor system output SM8707D 20ps 70ps SM8707E 20ps 55ps SM8707F 20ps 40ps SM8707G 20ps 40ps SM8707H 20ps 70ps SM8707K − 60ps SM8707L 20ps 60ps APPLICATIONS I DVD players/recorders I DVD car navigation system ORDERING INFORMATION PACKAGE DIMENSIONS (Unit: mm) Weight: 0.07g Device SM8707DV SM8707EV SM8707FV SM8707GV SM8707HV SM8707KV SM8707LV Package 16-pin VSOP 0.275typ 5.1 0.2 0.65 0.10 + 0.1 0.22− 0.05 0.12 M + 0.15 - 00..105 0 to 10 0.5 0.2 NIPPON PRECISION CIRCUITS INC.—1 1 page SM8707F SM8707 series Parameter Supply voltage ranges Output load capacitance 1 Output load capacitance 2 Master clock frequency Operating temperature range SM8707G Symbol Condition VDD1 , VDD2 , VDD3 CL1 CL2 fXTAL Topr (Note 1, 2, 3) MO1, SO1, SO2 outputs AO1, AO2 outputs When using crystal oscillator min + 3.0 – – – – 40 Parameter Supply voltage ranges Output load capacitance 1 Output load capacitance 2 Output load capacitance 3 Master clock frequency Operating temperature range SM8707H Symbol Condition VDD1 , VDD2 , VDD3 CL1 CL2 CL3 fXTAL Topr (Note 1, 2, 3) MO1 output SO3 output SO1, SO2 outputs When using crystal oscillator min + 3.0 – – – – – 10 Parameter Supply voltage ranges Output load capacitance 1 Output load capacitance 2 Master clock frequency Operating temperature range SM8707K Symbol Condition VDD1 , VDD2 , VDD3 CL1 CL2 fXTAL Topr (Note 1, 2, 3) MO1, MO2, SO2, SO3 outputs AO1, SO1 outputs When using crystal oscillator min + 3.0 – – – – 40 Parameter Supply voltage ranges Output load capacitance Master clock frequency Operating temperature range SM8707L Symbol Condition VDD1 , VDD2 , VDD3 CL fXTAL Topr (Note 1, 2, 3) Outputs When using crystal oscillator min + 3.0 – – – 40 Parameter Supply voltage ranges Output load capacitance Master clock frequency Operating temperature range Symbol Condition VDD1 , VDD2 , VDD3 CL fXTAL Topr (Note 1, 2, 3) Outputs excluding XTO When using crystal oscillator min + 3.0 – – – 40 Rating typ – – – 27.0000 – Rating typ – – – – 27.0000 – Rating typ – – – 27.0000 – Rating typ – – 27.0000 – Rating typ – – 27.0000 – max + 3.6 25 15 – + 85 max + 3.6 40 25 15 – + 75 max + 3.6 25 15 – + 85 max + 3.6 25 – + 85 max + 3.6 15 – + 85 Unit V pF pF MHz °C Unit V pF pF pF MHz °C Unit V pF pF MHz °C Unit V pF MHz °C Unit V pF MHz °C NIPPON PRECISION CIRCUITS INC.—5 5 Page SM8707 series SM8707H fXTAL = 27.0000MHz, VDD = 3.3V ± 0.3V, VSS = 0V, Ta = – 40 to + 85 °C unless otherwise noted. Parameter Symbol Pins Condition Rating min typ max Unit External input clock frequency1 fXTI XTI Applies to external clock input use only – 27.0000 – MHz Output clock rise time2 MO1, MO2, CL = 25 pF, transition between VOL = SO2, SO3 0.2VDD and VOH = 0.8VDD tr – 2.0 – ns SO1, AO1 CL = 15pF, transition between VOL = 0.2VDD and VOH = 0.8VDD – 2.0 – Output clock fall time2 MO1, MO2, CL = 25pF, transition between VOH = SO2, SO3 0.8VDD and VOL = 0.2VDD tf – 2.0 – ns SO1, AO1 CL = 15pF, transition between VOH = 0.8VDD and VOL = 0.2VDD – 2.0 – MO1, MO2 – 20 – Output clock jitter3 tjitter (1-sigma) SO2, SO3 Ta = 25°C, CL = 25pF, VO = 0.5VDD – 70 – ps SO1, AO1 Ta = 25°C, CL = 15pF, VO = 0.5VDD – 70 – Output clock duty cycle2 Dt MO1, MO2, SO2, SO3 Ta = 25°C, CL = 25pF, VO = 0.5VDD 45 50 55 % SO1, AO1 Ta = 25°C, CL =15 pF, VO = 0.5VDD 45 50 55 Settling time2 tS All outputs excluding XTO – – 1 µs Power-up time2, 4 tP All outputs excluding XTO – 1 5 ms 1. When using an external clock input, the XTI duty should be 50% with 3.3V clock signal amplitude level. The input signal voltage should not exceed the absolute maximum rating, otherwise damage may occur. 2. The numeric values are measured values obtained using the circuit in Figure 1 and the NPC standard evaluation board. 3. The numeric values are measured values obtained using the circuit in Figure 2 and the NPC standard evaluation board. 4. This is the time, after the supply is turned ON from the OFF state, until the output clock reaches ± 0.1% of the speciﬁed frequency. NIPPON PRECISION CIRCUITS INC.—11 11 Page

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