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| 型號： | CDB4270 |
| 廠商： | Cirrus Logic, Inc. |
| 元件分類： | Codec |
| 英文描述： | 24-Bit, 192 kHz Stereo Audio CODEC |
| 中文描述： | 24位192千赫立體聲音頻CODEC |
| 文件頁數(shù)： | 29/48頁 |
| 文件大?。?/td> | 730K |
| 代理商： | CDB4270 |
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DS686A1
29
CS4270
5.4.2 Output Connections
The analog output filter present in the CS4270 is a switched-capacitor filter followed by a continuous time
low pass filter. Its response, combined with that of the digital interpolator, is given in Figures
Figures 19
-
42
. The recommended external analog circuitry is shown in
Figure 14
.
5.5
Mute Control
The Mute Control pins become active during power-up initialization, reset, muting, when the MCLK to
LRCK ratio is incorrect, and during power-down. The MUTE pins are intended to be used as control for
an external mute circuit in order to add off-chip mute capability.
The CS4270 also features Auto-Mute, which is enabled by default. The Auto-Mute function causes the
MUTE pin corresponding to an individual channel to activate following the reception of 8192 consecutive
static-level audio samples on the respective channel. A single transition of data on the channel will cause
the corresponding MUTE pin to deactivate.
Use of the Mute Control function is not mandatory but recommended for designs requiring the absolute
minimum in extraneous clicks and pops. Also, use of the Mute Control function can enable the system
Figure 13. CS5344 Example Analog Input Network
CS4270
AINx
2200 pF
9.76 k
10
μ
F
47
Analog
Input
Figure 14. CS4270 Recommended Analog Output Filter
Analog Output
R
4
π
Fs(R
+ 470
C =
470 )
3.3μF
10k
C
470
+
Rext
ext
ext
For best 20 kHz response
AOUTx
CS4270
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PDF描述 |
|---|---|
| CDB4271 | 24-Bit, 192 kHz Stereo Audio CODEC |
| CDB4272 | 24-Bit, 192 kHz Stereo Audio CODEC |
| CDB42L51 | Silver Mica Capacitor; Capacitance:120pF; Capacitance Tolerance:+/- 5%; Series:CDV16; Voltage Rating:1000VDC; Capacitor Dielectric Material:Mica; Termination:Radial Leaded; Lead Pitch:5.94mm; Leaded Process Compatible:Yes RoHS Compliant: Yes |
| CDB42L50 | 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 |
| CDB43122 | 122dB, 24-Bit, 192kHz DAC for Digital Audio |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| CDB4271 | 功能描述:音頻 IC 開發(fā)工具 Eval Bd CS4271 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 |
| CDB4272 | 功能描述:音頻 IC 開發(fā)工具 Eval Bd CS4272 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 |
| CDB4299 | 功能描述:音頻 IC 開發(fā)工具 Eval Bd AC’97 CODEC w/SRC 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 |
| CDB42L50 | 制造商:CIRRUS 制造商全稱:Cirrus Logic 功能描述:Low Voltage, Stereo CODEC with headphone Amp |
| 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 |
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