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参数资料
| 型号： | LM4546AVH/NOPB |
| 厂商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分类： | 消费家电 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, PQFP48 |
| 封装： | 7 X 7 MM, 1.40 MM HEIGHT, LQFP-48 |
| 文件页数： | 27/27页 |
| 文件大小： | 897K |
| 代理商： | LM4546AVH/NOPB |
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Connection Diagram
20030802
Top View
Order Number LM4546AVH
See NS Package Number VBH48A
Pin Descriptions
ANALOG I/O
Name
Pin
I / O
Functional Description
PC_BEEP
12
I
Mono Input
This line level (1 Vrms nominal) mono input is mixed equally into both channels of the Stereo
Mix signal at MIX2 under the control of the PC_Beep Volume control register, 0Ah. The
PC_BEEP level can be muted or adjusted from 0 dB to -45 dB in 3 dB steps. The Stereo Mix
signal feeds both the Line Out and Line Level Out analog outputs and is also selectable at
the Record Select Mux.
PHONE
13
I
Mono Input
This line level (1 Vrms nominal) mono input is mixed equally into both channels of the Stereo
Mix signal at MIX2 under the control of the Phone Volume register, 0Ch. The PHONE level
can be muted or adjusted from +12 dB to -34.5 dB in 1.5 dB steps. The Stereo Mix signal
feeds both the Line Out and Line Level Out analog stereo outputs and is also selectable at
the Record Select Mux.
CD_L
18
I
Left Stereo Channel Input
This line level input (1 Vrms nominal) is selectable at the left channel of the stereo Input Mux
for conversion by the left channel ADC. It can also be mixed into the left channel of the
Stereo Mix 3D signal at MIX1 under the control of the CD Volume register, 12h. The CD_L
level can be muted (along with CD_R) or adjusted from +12 dB to -34.5 dB in 1.5 dB steps.
Stereo Mix 3D is mixed into the Stereo Mix signal at MIX2 for access to the stereo outputs
Line Out and Line Level Out.
LM4546A
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相关代理商/技术参数 |
参数描述 |
|---|---|
| LM4546AVHX | 制造商:Rochester Electronics LLC 功能描述:AC97 REV2 CODEC 3D STEREO - Bulk |
| LM4546B | 制造商:NSC 制造商全称:National Semiconductor 功能描述:AC ’97 Rev 2 Multi-Channel Audio Codec with Sample Rate Conversion and National 3D Sound |
| LM4546BVH | 功能描述:接口—CODEC RoHS:否 制造商:Texas Instruments 类型: 分辨率: 转换速率:48 kSPs 接口类型:I2C ADC 数量:2 DAC 数量:4 工作电源电压:1.8 V, 2.1 V, 2.3 V to 5.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:DSBGA-81 封装:Reel |
| LM4546BVH /NOPB | 制造商:Texas Instruments 功能描述:Audio Codec 2ADC / 2DAC 18-Bit 48-Pin LQFP Tray |
| LM4546BVH/NOPB | 功能描述:接口—CODEC RoHS:否 制造商:Texas Instruments 类型: 分辨率: 转换速率:48 kSPs 接口类型:I2C ADC 数量:2 DAC 数量:4 工作电源电压:1.8 V, 2.1 V, 2.3 V to 5.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:DSBGA-81 封装:Reel |
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