LC823450 datasheet(92/112 Pages) ONSEMI

92 / 112 page

LC823450

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PLL2(Audio)

The figure below shows the PLL2 circuit. Place the

decoupling capacitor in the terminal neighborhood on the

board, and keep low noise by apart from other power supply

lines.

Figure 41. PLL2 (Audio)

VCNT2

AVSSPLL2

AVDDPLL2

AVSSPLL2

AVDDPLL2

Table 57. PLL2 (AUDIO)

Symbol

Value1 (Note 73)

Value2 (Note 74)

Serial Number or Accuracy

120

560

±5%

4.7

μF

0.33

μF

Capacitor

：±10%

Temperature

：±15%

(

−20_C to +65_C )

0.047

μF

0.015

μF

0.1

μF

0.1

μF

16CV33BS

72. C4 : refers to the part of mounting on the catalog of our company (CV−B S Series).

73. appropriate value for Fre

≥ 6.4 kHz

74. appropriate value for Fref

≥ 38.4 kHz

75. Use R2 basically by unmounting.

The characteristic of PLL might be improved by mounting R2. Prepare the wire pattern.

76. The values of parts are for reference. There is a possibility that the adjustment is needed according to the situation of the set.

77. Connect with decoupling capacitor in the terminal neighborhood on the board, and keep low noise by apart from other power supply lines.

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