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參數(shù)資料
| 型號： | LM4545VH |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | 消費(fèi)家電 |
| 英文描述： | AC ’97 Codec with Stereo Headphone Amplifier and National 3D Sound |
| 中文描述： | SPECIALTY CONSUMER CIRCUIT, PQFP48 |
| 封裝： | 7 X 7 MM, 1.40 MM HEIGHT, TQFP-48 |
| 文件頁數(shù)： | 7/16頁 |
| 文件大?。?/td> | 327K |
| 代理商： | LM4545VH |
Connection Diagram
Pin Descriptions
Analog I/O
Name
Pin
I / O
Functional Description
This is a mono input which gets summed into both the stereo line and stereo headphone
output after the 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 both the stereo line output after the 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 AUX_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 16h.
PC_BEEP
12
I
PHONE
13
I
AUX_L
14
I
DS100069-2
Top View
Order Number LM4545VH
See NS Package Number VBH48A
www.national.com
7
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LM4545VHX | 功能描述:IC AUDIO CODEC '97 18BIT 48LQFP RoHS:否 類別:集成電路 (IC) >> 接口 - 編解碼器 系列:- 標(biāo)準(zhǔn)包裝:2,500 系列:- 類型:立體聲音頻 數(shù)據(jù)接口:串行 分辨率（位）:18 b ADC / DAC 數(shù)量:2 / 2 三角積分調(diào)變:是 S/N 比，標(biāo)準(zhǔn) ADC / DAC (db):81.5 / 88 動態(tài)范圍，標(biāo)準(zhǔn) ADC / DAC (db):82 / 87.5 電壓 - 電源，模擬:2.6 V ~ 3.3 V 電壓 - 電源，數(shù)字:1.7 V ~ 3.3 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:48-WFQFN 裸露焊盤 供應(yīng)商設(shè)備封裝:48-TQFN-EP（7x7） 包裝:帶卷 (TR) |
| LM4546 | 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 |
| LM4546_09 | 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 |
| LM4546A | 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 |
| LM4546AVH | 制造商:Rochester Electronics LLC 功能描述:AC97 REV2 CODEC 3D STEREO - Bulk |
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