- 您現(xiàn)在的位置：買賣IC網(wǎng) > PDF目錄30756 > LM4906GR/NOPB (NATIONAL SEMICONDUCTOR CORP) 1 W, 1 CHANNEL, AUDIO AMPLIFIER, PBGA12 PDF資料下載
參數(shù)資料
| 型號： | LM4906GR/NOPB |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | 音頻／視頻放大 |
| 英文描述： | 1 W, 1 CHANNEL, AUDIO AMPLIFIER, PBGA12 |
| 封裝： | MICRO ARRAY, LLP-12 |
| 文件頁數(shù)： | 1/16頁 |
| 文件大小： | 888K |
| 代理商： | LM4906GR/NOPB |
LM4906
1W, Bypass-Capacitor-less Audio Amplifier with Internal
Selectable Gain
General Description
The LM4906 is an audio power amplifier primarily designed
for demanding applications in mobile phones and other por-
table communication device applications. It is capable of
delivering 1W of continuous average power to an 8
BTL
load with less than 1% distortion (THD+N) from a +5V power
supply.
The LM4906 is the first National Semiconductor Boomer
Power Amplifier that does not require an external PSRR
bypass capacitor. The LM4906 also has an internal select-
able gain of either 6dB or 12dB. In addition, no output
coupling capacitors or bootstrap capacitors are required
which makes the LM4906 ideally suited for cell phone and
other low voltage portable applications.
The LM4906 contains advanced pop and click circuitry that
eliminates noise, which would otherwise occur during
turn-on and turn-off transitions.
Boomer audio power amplifiers were designed specifically to
provide high quality output power with a minimal amount of
external components. The LM4906 features a low -power
consumption shutdown mode (the part is enabled by pulling
the SD pin high). Additionally, the LM4906 features an inter-
nal thermal shutdown protection mechanism.
Key Specifications
j Improved PSRR at 217Hz for +3V
71dB
j Power Output at +5V, THD+N = 1%, 8
1.0W (typ)
j Power Output at +3V, THD+N = 1%, 8
390mW (typ)
j Total shutdown power supply current
0.1A (typ)
Features
n
Selectable gain of 6dB (2V/V) or 12dB (4V/V)
n
No output or PSRR bypass capacitors required
n
Improved “Click and Pop” suppression circuitry
n
Very fast turn on time: 5ms (typ)
n
Minimum external components
n
2.6 - 5.5V operation
n
BTL output can drive capacitive loads
n
Ultra low current shutdown mode (SD Low)
Applications
n
Portable computers
n
Desktop computers
n
Multimedia monitors
Typical Application
Boomer is a registered trademark of National Semiconductor Corporation.
200571B9
FIGURE 1. Typical Audio Amplifier Application Circuit
January 2005
LM4906
1W
,
Bypass-Capacitor-less
Audio
Amplifier
with
Internal
Selectable
Gain
2005 National Semiconductor Corporation
DS200571
www.national.com
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| LM4907LD | 1.07 W, 1 CHANNEL, AUDIO AMPLIFIER, DSO8 |
| LM4908MM/NOPB | 0.157 W, 2 CHANNEL, AUDIO AMPLIFIER, PDSO8 |
| LM4908MA/NOPB | 0.157 W, 2 CHANNEL, AUDIO AMPLIFIER, PDSO8 |
| LM4908LQ/NOPB | 0.157 W, 2 CHANNEL, AUDIO AMPLIFIER, QCC8 |
| LM4910MA/NOPB | 0.035 W, 2 CHANNEL, AUDIO AMPLIFIER, PDSO8 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LM4906LD | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:1W, Bypass-Capacitor-less Audio Amplifier with Internal Selectable Gain |
| LM4906LD/NOPB | 功能描述:IC AMP AUDIO PWR 1W MONO 10LLP RoHS:是 類別:集成電路 (IC) >> 線性 - 音頻放大器 系列:Boomer® 產(chǎn)品培訓模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:2,500 系列:DirectDrive® 類型:H 類 輸出類型:耳機，2-通道（立體聲） 在某負載時最大輸出功率 x 通道數(shù)量:35mW x 2 @ 16 歐姆 電源電壓:1.62 V ~ 1.98 V 特點:I²C，麥克風，靜音，短路保護，音量控制 安裝類型:表面貼裝 供應商設(shè)備封裝:25-WLP（2.09x2.09） 封裝/外殼:25-WFBGA，WLCSP 包裝:帶卷 (TR) |
| LM4906LDBD | 功能描述:音頻 IC 開發(fā)工具 LM4906LD EVAL BOARD RoHS:否 制造商:Texas Instruments 產(chǎn)品:Evaluation Kits 類型:Audio Amplifiers 工具用于評估:TAS5614L 工作電源電壓:12 V to 38 V |
| LM4906LDBD/NOPB | 制造商:Texas Instruments 功能描述:Evaluation Kit For 1W, Bypass-Capacitor-Less Audio Amplifier With Internal Selectable Gain |
| LM4906LDX | 功能描述:IC AMP AUDIO PWR 1W MONO 10LLP RoHS:是 類別:集成電路 (IC) >> 線性 - 音頻放大器 系列:Boomer® 產(chǎn)品培訓模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:2,500 系列:DirectDrive® 類型:H 類 輸出類型:耳機，2-通道（立體聲） 在某負載時最大輸出功率 x 通道數(shù)量:35mW x 2 @ 16 歐姆 電源電壓:1.62 V ~ 1.98 V 特點:I²C，麥克風，靜音，短路保護，音量控制 安裝類型:表面貼裝 供應商設(shè)備封裝:25-WLP（2.09x2.09） 封裝/外殼:25-WFBGA，WLCSP 包裝:帶卷 (TR) |
發(fā)布緊急采購，3分鐘左右您將得到回復。