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參數(shù)資料
| 型號(hào)： | STAC9204X3NBEYYXR |
| 廠商： | INTEGRATED DEVICE TECHNOLOGY INC |
| 元件分類(lèi)： | 編解碼器 |
| 英文描述： | 4-CHANNEL HD AUDIO CODEC WITH QUAD DIGITAL MICROPHONE INTERFACE |
| 中文描述： | PCM CODEC, QCC48 |
| 封裝： | ROHS COMPLIANT, QFN-48 |
| 文件頁(yè)數(shù)： | 185/213頁(yè) |
| 文件大?。?/td> | 1449K |
| 代理商： | STAC9204X3NBEYYXR |
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STAC9204/9205
4-CHANNEL HD AUDIO CODEC WITH QUAD DIGITAL MICROPHONE INTERFACE
PC AUDIO
IDT
185
STAC9204/9205
V 1.0 12/06
4-CHANNEL HD AUDIO CODEC WITH QUAD DIGITAL MICROPHONE INTERFACE
6.2.
PCB Layout Recommendations
An optimum layout is one with all components on the same side of the board, minimizing vias
through other signal layers. Other signal traces should be routed away from the STAC9204/9205.
This includes signal traces just underneath the device, or on layers adjacent to the ground plane
layer used by the device.
Separate analog and digital grounding is recommended. The analog grounds (AVSS (pins 26 and
42)) and the digital grounds (DVSS (pins 4 and 7)) should be tied together at only one place. This tie
should be under the CODEC.
Capacitive coupling is allowed for EMI considerations. Generally, use 0.1 mF capacitors. Make sure
these are spread out in the layout.
Analog ground (AVSS) should be located on all grounding layers. AVSS should be the same shape
on these layers.
Analog audio signals should not escape the AVSS cut.
Analog non-audio signals should not enter the AVSS cut.
Only audio voltage planes (such as AVDD) should be located on the VCC layer.
Analog voltage should be provided from a filtered source. LDO’s are preferred. Ferrite beads are
acceptable. Whichever is used must support current requirements.
6.2.1.
Vista WLP Compliance Requirements
The following external components are REQUIRED for Vista WLP compliance.
Required series coupling capacitors on analog I/O signal lines:
Minimum Premium Desktop Implementations:
Line Output = 10 mF, 1206, 10 V, X5R (ceramic) or 3.3 mF aluminum electrolytic (or similar).
Headphone Output = 220 mF aluminum electrolytic (or similar).
Microphone or Line Input = 1 mF, 0603, X5R (ceramic) or better.
Minimum Premium Mobile Implementations:
Line Output = 2.2 mF, 1206, 16 V, X5R (ceramic).
Headphone Output = 100 mF D-Case size (or similar). Larger is better, we usually recom-
mend 220 mF.
Microphone or Line Input = 1 mF, 0603, X5R (ceramic) or better.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| STAC9204X3TAEYYX | 4-CHANNEL HD AUDIO CODEC WITH QUAD DIGITAL MICROPHONE INTERFACE |
| STAC9204X3TAEYYXR | 4-CHANNEL HD AUDIO CODEC WITH QUAD DIGITAL MICROPHONE INTERFACE |
| STAC9204X5NBEYYXR | 4-CHANNEL HD AUDIO CODEC WITH QUAD DIGITAL MICROPHONE INTERFACE |
| STAC9204X5TAEYYX | 4-CHANNEL HD AUDIO CODEC WITH QUAD DIGITAL MICROPHONE INTERFACE |
| STAC9204X5TAEYYXR | 4-CHANNEL HD AUDIO CODEC WITH QUAD DIGITAL MICROPHONE INTERFACE |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| STAC9204X3TAEB2X | 制造商:Integrated Device Technology Inc 功能描述:Audio Codec 2ADC / 2DAC 24-Bit 48-Pin TQFP |
| STAC9204X3TAEB2XR | 制造商:Integrated Device Technology Inc 功能描述:Audio Codec 2ADC / 2DAC 24-Bit 48-Pin TQFP T/R |
| STAC9204X3TAEYYX | 制造商:IDT 制造商全稱(chēng):Integrated Device Technology 功能描述:4-CHANNEL HD AUDIO CODEC WITH QUAD DIGITAL MICROPHONE INTERFACE |
| STAC9204X3TAEYYXR | 制造商:IDT 制造商全稱(chēng):Integrated Device Technology 功能描述:4-CHANNEL HD AUDIO CODEC WITH QUAD DIGITAL MICROPHONE INTERFACE |
| STAC9204X5NBEB2X | 制造商:Integrated Device Technology Inc 功能描述:Audio Codec 2ADC / 2DAC 24-Bit 48-Pin VFQFPN EP |
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