WM8608 datasheet(43/54 Pages) WOLFSON

tên linh kiện	WM8608

Giải thích chi tiết về linh kiện	5 TO 7.1 CHANNEL PWM CONTROLLER

PDF	54 Pages

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nhà sản xuất	WOLFSON [Wolfson Microelectronics plc]

Trang chủ	http://www.wolfsonmicro.com

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WM8608

PP Rev 1.5 March 2004

The PRF Frequency (TPWMP) of the Sub-woofer channel is half of the frequency defined in Table 45

in order to reduce power dissipation in the output stage.

PRF

(1/TPWMP)

Main Channel

SUB

OUTPUT BITCLOCK

FREQUENCY

(1/TOBCLK)

MINIMUM PULSE

WIDTH (TPWMM)

SAMPLING

FREQUENCY

[kHz]

[MHz]

[ns]

32kHz

384

192

98.304

122

44.1kHz

352.8

176.4

90.3168

133

48kHz

384

192

98.304

122

88.2kHz

352.8

176.4

90.3168

133

96kHz

384

192

98.304

122

176.4kHz

352.8

176.4

90.3168

133

192kHz

384

192

98.304

122

Table 45 Output Bitclock Frequency

Notes:

The correct Output Bitclock Frequency (TOBCLK) is generated by the built-in PLL of the WM8608

device. The incoming clock must meet the jitter specification defined in Table 3.

OUTPUT PHASE

The Phase control word determines whether the output of each channel is non-inverted or inverted.

ADDRESS

BIT

LABEL

DEFAULT

DESCRIPTION

Bit

Channel

Phase

1 = invert

R26 (1Ah)

Output Phase

6:0

PH[6:0]

0000000

SUB

1 = invert

Table 46 Phase

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