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參數(shù)資料
| 型號(hào)： | 92HD005DX3NLGXYYX8 |
| 廠商： | INTEGRATED DEVICE TECHNOLOGY INC |
| 元件分類： | 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)： | 182/205頁(yè) |
| 文件大?。?/td> | 1412K |
| 代理商： | 92HD005DX3NLGXYYX8 |
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92HD005/92HD005D
4-CHANNEL HD AUDIO CODEC WITH QUAD DIGITAL MICROPHONE INTERFACE
PC AUDIO
IDT
182
92HD005/92HD005D
V 1.0 12/06
4-CHANNEL HD AUDIO CODEC WITH QUAD DIGITAL MICROPHONE INTERFACE
6. DESIGN CONSIDERATIONS
6.1.
External Components
The 92HD005/92HD005D requires a minimum number of external components for proper operation.
6.1.1.
Decoupling Capacitor
Decoupling capacitors must be connected between AVDD and AVSS and between DVDD and
DVSS, as close to these pins as possible.
Between AVDD (pin 38) and AVSS (pins 26 and 42), use a 1.0 mF capacitor in parallel with a
10 mF capacitor.
Between AVDD (pin 25) and AVSS (pins 26 and 42), use a 0.1 mF capacitor in parallel with a
10 mF capacitor.
Between DVDD (pin 1) and DVSS (pins 4 and 7), use a 1.0 mF capacitor in parallel with a 10 mF
capacitor.
Between DVDD (pin 9) and DVSS (pins 4 and 7), use a 0.1 mF capacitor in parallel with a 10 mF
capacitor.
For optimum device performance, the decoupling capacitors should be mounted on the CODEC side
of the PCB. Avoid the use of vias in the decoupling circuit.
6.1.2.
Other Required Components
The following components are required:
Between VREFFILT (pin 27) and AVSS (pins 26 and 42), use a 1.0 mF capacitor in parallel with
a 10 mF capacitor.
Each of these pins needs to have an 820 pF capacitor connected to AVSS (pins 26 and 42).
(Recommend using NP0 type capacitor.)
ADC0_AFILT_L (pin 28).
ADC1_AFILT_L (pin 29).
ADC0_AFILT_R (pin 30).
ADC1_AFILT_R (pin 31).
ADC_VREF (pin 33) must have a 1.0 mF capacitor connected to AVSS (pins 26 and 42). Option-
ally, a 10 mF capacitor may also be connected in parallel, to improve performance.
SENSE_A (pin 13) and SENSE_B (pin 34) must each be connected to AVSS (pins 26 and 42)
with a 1000 pF capacitor located as close to the pins as possible.
SENSE_A (pin 13) and SENSE_B (pin 34) must each be connected to AVDD (pins 25 and 38)
with a 5.11 KW resistor. This resistor MUST be 1% tolerance and should be located as close to
the pins as possible.
Either SENSE_A or SENSE_B is connected to each Port through a resistor. This resistor MUST
be 1% or better tolerance. (For resistor details, see
Table 3
. For details about these connections,
see the latest IDT reference designs.)
For optimum device performance, these components should be mounted on the CODEC side of the
PCB. Minimize the use of vias.
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| 92HD005DX3PRGXYYX | 4-CHANNEL HD AUDIO CODEC WITH QUAD DIGITAL MICROPHONE INTERFACE |
| 92HD005DX3PRGXYYX8 | 4-CHANNEL HD AUDIO CODEC WITH QUAD DIGITAL MICROPHONE INTERFACE |
| 92HD005DX5NLGXYYX | 4-CHANNEL HD AUDIO CODEC WITH QUAD DIGITAL MICROPHONE INTERFACE |
| 92HD005DX5NLGXYYX8 | 4-CHANNEL HD AUDIO CODEC WITH QUAD DIGITAL MICROPHONE INTERFACE |
| 92HD005DX5PRGXYYX | 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 |
|---|---|
| 92HD005DX3PRGXYYX | 制造商:IDT 制造商全稱:Integrated Device Technology 功能描述:4-CHANNEL HD AUDIO CODEC WITH QUAD DIGITAL MICROPHONE INTERFACE |
| 92HD005DX3PRGXYYX8 | 制造商:IDT 制造商全稱:Integrated Device Technology 功能描述:4-CHANNEL HD AUDIO CODEC WITH QUAD DIGITAL MICROPHONE INTERFACE |
| 92HD005DX5NLGXYYX | 制造商:IDT 制造商全稱:Integrated Device Technology 功能描述:4-CHANNEL HD AUDIO CODEC WITH QUAD DIGITAL MICROPHONE INTERFACE |
| 92HD005DX5NLGXYYX8 | 制造商:IDT 制造商全稱:Integrated Device Technology 功能描述:4-CHANNEL HD AUDIO CODEC WITH QUAD DIGITAL MICROPHONE INTERFACE |
| 92HD005DX5PRGXYYX | 制造商:IDT 制造商全稱:Integrated Device Technology 功能描述:4-CHANNEL HD AUDIO CODEC WITH QUAD DIGITAL MICROPHONE INTERFACE |
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