參數(shù)資料
型號: CS4361-CZZ
廠商: Cirrus Logic Inc
文件頁數(shù): 9/24頁
文件大小: 0K
描述: IC DAC STER 6CH 103DB 20TSSOP
標準包裝: 74
位數(shù): 24
數(shù)據(jù)接口: 串行
轉換器數(shù)目: 6
電壓電源: 單電源
功率耗散(最大): 455mW
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 20-TSSOP(0.173",4.40mm 寬)
供應商設備封裝: 20-TSSOP
包裝: 管件
輸出數(shù)目和類型: 6 電壓,單極
采樣率(每秒): 192k
產(chǎn)品目錄頁面: 757 (CN2011-ZH PDF)
配用: 598-1153-ND - BOARD EVAL FOR CS4361
其它名稱: 598-1057-5
17
CS4361
Confidential Draft
9/30/11
4.9
Mute Control
The MUTEC pin is intended to be used as control for an external mute circuit in order to add off-chip mute
capability.
This pin becomes active under the following conditions:
1.
During power-up initialization
2.
Upon reset
3.
If the MCLK to LRCK ratio is incorrect
4.
Upon receipt of 512 consecutive samples of zero
5.
During power-down
The MUTEC pin will only go active on static zero data only if all 6 channels satisfy the 512 sample require-
ment. If any channel receives non-zero data, the mute pin will return low (inactive).
Use of the mute control function is not mandatory but is recommended for designs requiring the absolute
minimum in extraneous clicks and pops. Also, use of the mute control function can enable the system de-
signer to achieve idle channel noise and signal-to-noise ratios that are only limited by the external mute cir-
cuit. The MUTEC pin is an active-high CMOS driver. See Figure 13 below for a suggested active-high mute
circuit.
470
Audio
Out
2 k
10 k
-V
+V
A
MMUN2111LT1
AOUT
MUTEC
CS4361
AC
Couple
47 k
10 k
Filter
Cap
MMUN2211LT1
(if available)
6
(Low R
on)
Figure 13. Suggested Active-Low Mute Circuit
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