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參數(shù)資料
| 型號： | LM4546VH |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | 消費(fèi)家電 |
| 英文描述： | AC ’97 Rev 2 Codec with Sample Rate Conversion and National 3D Sound |
| 中文描述： | SPECIALTY CONSUMER CIRCUIT, PQFP48 |
| 封裝： | TQFP-48 |
| 文件頁數(shù)： | 7/18頁 |
| 文件大?。?/td> | 308K |
| 代理商： | LM4546VH |
Connection Diagram
Pin Description
Analog I/O
Name
Pin
I / O
Functional Description
This is a mono input which gets summed into the stereo line output after the National 3D
Sound block. The PC_BEEP level can be adjusted from 0dB to 45dB in 3dB steps, or
muted, via register 0Ah.
This is a mono input which gets summed into the stereo line output after the National 3D
Sound block. The PHONE level can be adjusted from +12dB to 34.5dB in 1.5dB steps as
well as muted via register 0Ch.
This line level input can be routed through the input mux and recorded by the left ADC. In
addition, this analog input gets summed into the left output stream. The amount of CD_L
signal mixed in the left output stream can be adjusted from +12dB to 34.5dB in 1.5dB steps
as well as muted via register 12h.
This input can be used to reject common mode signals on the CD_L and CD_R inputs.
CD_GND is an AC ground point and not a DC ground point. This input must be AC-coupled
to the source signal’s ground.
PC_BEEP
12
I
PHONE
13
I
CD_L
18
I
CD_GND
19
I
DS100985-2
Top View
Order Number LM4546VH
See NS Package Number VBH48A
www.national.com
7
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PDF描述 |
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| LM4546 | AC ’97 Rev 2 Codec with Sample Rate Conversion and National 3D Sound |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LM4547VH | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Soundcard Circuits |
| LM4548 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:AC ’97 Rev 2 Codec with Sample Rate Conversion and National 3D Sound |
| LM4548A | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:AC ’97 Rev 2 Multi-Channel Audio Codec with Sample Rate Conversion and National 3D Sound |
| LM4548AVH | 制造商:Rochester Electronics LLC 功能描述: 制造商:Texas Instruments 功能描述: |
| LM4548AVH WAF | 制造商:Texas Instruments 功能描述: |
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