參數(shù)資料
型號: CDB4382A
廠商: Cirrus Logic, Inc.
英文描述: 114 dB, 192 kHz 8-channel D/A Converter
中文描述: 114分貝192千赫8通道D / A轉(zhuǎn)換
文件頁數(shù): 35/47頁
文件大?。?/td> 685K
代理商: CDB4382A
DS618PP1
35
CS4382A
5.2.5
Soft Volume Ramp-Up after Error (RMP_UP)
Default = 0
0 - Disabled
1 - Enabled
Function:
An un-mute will be performed after a LRCK/MCLK ratio change or error, and after changing the Functional
Mode. When this feature is enabled, this un-mute is affected, similarly to attenuation changes, by the Soft
and Zero Cross bits in the Mode Control 3 register. When disabled, an immediate un-mute is performed in
these instances.
Notes:
For best results, it is recommended that this feature be used in conjunction with the RMP_DN bit.
5.2.6
MUTEC Polarity (MUTEC+/-)
Default = 0
0 - Active High
1 - Active Low
Function:
The active polarity of the MUTEC pin(s) is determined by this register. When set to 0 (default) the MUTEC
pins are high when active. When set to 1 the MUTEC pin(s) are low when active.
Notes:
When the on board mute circuitry is designed for active low, the MUTEC outputs will be high (un-muted)
for the period of time during reset and before this bit is enabled to 1.
5.2.7
Auto-Mute (AMUTE)
Default = 1
0 - Disabled
1 - Enabled
Function:
The Digital-to-Analog converter output will mute following the reception of 8192 consecutive audio samples
of static 0 or -1. A single sample of non-static data will release the mute. Detection and muting is done
independently for each channel. The quiescent voltage on the output will be retained and the Mute Control
pin will go active during the mute period. The muting function is affected, similar to volume control changes,
by the Soft and Zero Cross bits in the Mode Control 3 register.
5.3
Mutec Pin Control (MUTEC)
Default = 0
0 - Two Mute control signals
1 - Single mute control signal on MUTEC1
Function:
Selects how the internal mute signals are routed to the MUTEC1 and MUTEC234 pins. When set to ‘0’, a
logical AND of DAC pair 1 mute control signals are output on MUTEC1 and a logical AND of the mute con-
trol signals of DAC pairs 2, 3, and 4 are output on MUTEC234. When set to ‘1’, a logical AND of all DAC
pair mute control signals is output on the MUTEC1 pin, MUTEC234 will remain static. For more information
on the use of the mute control function see the MUTEC1 and MUTEC234 pins in section 8.
相關(guān)PDF資料
PDF描述
CDB4382 114 dB, 192 kHz 8-Channel D/A Converter
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CDB4385 114 dB, 192kHz 8-CHANNEL D/A CONVERTER
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參數(shù)描述
CDB4383 制造商:CIRRUS 制造商全稱:Cirrus Logic 功能描述:114 dB, 192 kHz 8-Channel D/A Converter
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CDB4391 制造商:CIRRUS 制造商全稱:Cirrus Logic 功能描述:24-Bit, 192 kHz Stereo DAC with Volume Control