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參數(shù)資料
| 型號： | CDB4340A |
| 廠商： | Cirrus Logic, Inc. |
| 英文描述： | 24-Bit, 192 kHz Stereo DAC for Audio |
| 中文描述： | 24位192千赫立體聲DAC音頻 |
| 文件頁數(shù)： | 10/20頁 |
| 文件大?。?/td> | 628K |
| 代理商： | CDB4340A |
CS4340A
10
DS590PP2
3.8
The Mute Control pin goes high during power-up initialization, reset, or if the MCLK to LRCK ratio is
incorrect. The pin will also go high following the reception of 8192 consecutive audio samples of static 0
or -1 on both the left and right channels. A single sample of non-zero data on either channel will cause the
Mute Control pin to go low. This pin is intended to be used as a control for an external mute circuit to pre-
vent the clicks and pops that can occur in any single-ended single supply system.
Mute Control
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 de-
signer to achieve idle channel noise/signal-to-noise ratios which are only limited by the external mute cir-
cuit. See the CDB4340A data sheet for a suggested mute circuit.
3.9
As with any high resolution converter, the CS4340A requires careful attention to power supply and
grounding arrangements if its potential performance is to be realized. Figure 1 shows the recommended
power arrangements, with VA connected to a clean supply. If the ground planes are split between digital
ground and analog ground, REF_GND & AGND should be connected to the analog ground plane.
Grounding and Power Supply Arrangements
Decoupling capacitors should be as close to the DAC as possible, with the low value ceramic capacitor
being the closest. To further minimize impedance, these capacitors should be located on the same layer as
the DAC.
All signals, especially clocks, should be kept away from the FILT+ and VQ pins in order to avoid unwant-
ed coupling into the modulators. The FILT+ and VQ decoupling capacitors, particularly the 0.1 μF, must
be positioned to minimize the electrical path from FILT+ and REF_GND (as well as VQ and REF_GND),
and should also be located on the same layer as the DAC. The CDB4340A evaluation board demonstrates
the optimum layout and power supply arrangements.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| CDB4341 | 功能描述:音頻 IC 開發(fā)工具 Eval Bd 101dB 96kHz DAC 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 |
| CDB4341A | 功能描述:音頻 IC 開發(fā)工具 Eval Bd 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 |
| CDB4344 | 功能描述:音頻 IC 開發(fā)工具 Eval Bd 10Pin 192kHz DAC 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 |
| CDB4349 | 功能描述:音頻 IC 開發(fā)工具 Eval Bd 192kHz Str DAC w/VC 1Vrms @3.3V 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 |
| CDB4350 | 功能描述:音頻 IC 開發(fā)工具 Eval Bd 105dB 192kHz DAC w/pull 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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