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參數(shù)資料
| 型號： | CDB42L50 |
| 廠商： | Cirrus Logic, Inc. |
| 英文描述： | Silver Mica Capacitor; Capacitance:100pF; Capacitance Tolerance:+/- 5%; Series:CDS; Voltage Rating:300VDC; Capacitor Dielectric Material:Mica; Termination:Radial Leaded; Lead Pitch:3mm; Leaded Process Compatible:No RoHS Compliant: No |
| 中文描述： | 低電壓，立體聲耳機放大器編解碼器 |
| 文件頁數(shù)： | 56/83頁 |
| 文件大小： | 1348K |
| 代理商： | CDB42L50 |
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56
DS679A2
CS42L51
DAC Soft Ramp and Zero Cross Control (DAC_SZC[1:0])
Default = 01
00 - Immediate Change
01 - Zero Cross
10 - Soft Ramp
11 - Soft Ramp on Zero Crossings
Function:
NOTE:
The DATA_SEL[1:0] bits in reg09h must be set to ‘01’b to enable function control
Immediate Change
When Immediate Change is selected all volume level changes will take effect immediately in one step.
Zero Cross
This setting dictates that signal level changes, either by gain changes, attenuation changes or muting, will
occur on a signal zero crossing to minimize audible artifacts. The requested level change will occur after a
timeout period between 1024 and 2048 sample periods (21.3 ms to 42.7 ms at 48 kHz sample rate) if the
signal does not encounter a zero crossing. The zero cross function is independently monitored and imple-
mented for each channel.
NOTE
: The LIM_SRDIS bit is ignored.
Soft Ramp
Soft Ramp allows level changes, either by gain changes, attenuation changes or muting, to be implemented
by incrementally ramping, in 1/8 dB steps, from the current level to the new level at a rate of 0.5 dB per 4
left/right clock periods.
Soft Ramp on Zero Crossing
This setting dictates that signal level changes, either by gain changes, attenuation changes or muting, will
occur in 1/8 dB steps and be implemented on a signal zero crossing. The 1/8 dB level change will occur
after a timeout period between 512 and 1024 sample periods (10.7 ms to 21.3 ms at 48 kHz sample rate) if
the signal does not encounter a zero crossing. The zero cross function is independently monitored and im-
plemented for each channel.
NOTE
: The LIM_SRDIS bit is ignored.
6.10
ALCX & PGAX Control:
ALCA, PGAA (Address 0Ah) & ALCB, PGAB (Address 0Bh)
ALCX Soft Ramp Disable (ALCX_SRDIS)
Default: 0
0 - Off
1 - On
Function:
Overrides the SOFTx bit setting for the ADC. When this bit is set, the ALC attack rate in the PGA will not be
dictated by the soft ramp setting. ALC volume level changes will take effect in one step.
7
6
5
4
3
2
1
0
ALCX_SRDIS ALCX_ZCDIS
Reserved
PGAX_VOL4
PGAX_VOL3
PGAX_VOL2
PGAX_VOL1
PGAX_VOL0
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| CDB42L51 | 功能描述:音頻 IC 開發(fā)工具 Eval Bd Low-volt CODEC RoHS:否 制造商:Texas Instruments 產(chǎn)品:Evaluation Kits 類型:Audio Amplifiers 工具用于評估:TAS5614L 工作電源電壓:12 V to 38 V |
| CDB42L51/FAE | 制造商:Cirrus Logic 功能描述:EVAL BOARD FOR THE CS42L51 PORTABLE STEREO CODEC - Bulk |
| CDB42L52 | 功能描述:音頻 IC 開發(fā)工具 Eval Bd LP CODEC w/classD Spkr Driver RoHS:否 制造商:Texas Instruments 產(chǎn)品:Evaluation Kits 類型:Audio Amplifiers 工具用于評估:TAS5614L 工作電源電壓:12 V to 38 V |
| CDB42L52/FAE | 制造商:Cirrus Logic 功能描述:EVAL BD LOW-VOLTAGE STEREO CODEC - Bulk |
| CDB42L55 | 功能描述:音頻 IC 開發(fā)工具 Eval Bd Ultra Low PWR Stereo Codec RoHS:否 制造商:Texas Instruments 產(chǎn)品:Evaluation Kits 類型:Audio Amplifiers 工具用于評估:TAS5614L 工作電源電壓:12 V to 38 V |
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