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參數(shù)資料
| 型號： | NCP2809B |
| 廠商： | ON SEMICONDUCTOR |
| 英文描述： | NOCAP 135 mW Stereo Headphone Power Amplifier |
| 中文描述： | NOCAP 135毫瓦立體聲耳機功率放大器 |
| 文件頁數(shù)： | 1/22頁 |
| 文件大?。?/td> | 186K |
| 代理商： | NCP2809B |
Semiconductor Components Industries, LLC, 2004
November, 2004 Rev. 7
1
Publication Order Number:
NCP2809/D
NCP2809 Series
NOCAP 135 mW Stereo
Headphone Power Amplifier
The NCP2809 is a costeffective stereo audio power amplifier
capable of delivering 135 mW of continuous average power per
channel into 16 loads.
The NCP2809 audio power amplifier is specifically designed to
provide high quality output power from low supply voltage,
requiring very few external components. Since NCP2809 does not
require bootstrap capacitors or snubber networks, it is optimally
suited for lowpower portable systems. NCP2809A has an internal
gain of 0 dB while specific external gain can externally be set with
NCP2809B.
If the application allows it, the virtual ground provided by the
device can be connected to the middle point of the headset (Figure 1).
In such case, the two external heavy coupling capacitors typically
used can be removed. Otherwise, you can also use both outputs in
single ended mode with external coupling capacitors (Figure 43).
Due to its excellent Power Supply Rejection Ratio (PSRR), it can
be directly connected to the battery, saving the use of an LDO.
Features
PbFree Package is Available
135 mW to a 16 Load from a 5.0 V Power Supply
Excellent PSRR (85 dB Typical): Direct Connection to the Battery
“Pop and Click” Noise Protection Circuit
Ultra Low Current Shutdown Mode
2.2 V–5.5 V Operation
Outstanding Total Harmonics Distortion + Noise (THD+N): Less
than 0.01%
External Turnon and Turnoff Configuration Capability
Thermal Overload Protection Circuitry
Typical Applications
Cellular Phone
Portable Stereo
MP3 Player
Personal and Notebook Computers
Micro10
DM SUFFIX
CASE 846B
1
10
PIN CONNECTIONS
IN_R
SD
BYP
REF_I
IN_L
OUT_R
V
M
OUT_I
V
P
OUT_L
1
2
3
4
10
9
8
7
6
X = E for NCP2809A
X =
C for NCP2809B
A = Assembly Location
Y = Year
W = Work Week
MARKING
DIAGRAM
MAx
AYW
5
See detailed ordering and shipping information in the package
dimensions section on page 20 of this data sheet.
ORDERING INFORMATION
http://onsemi.com
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| NCP2809BDMR2 | 功能描述:音頻放大器 135mW Stereo Audio RoHS:否 制造商:STMicroelectronics 產(chǎn)品:General Purpose Audio Amplifiers 輸出類型:Digital 輸出功率: THD + 噪聲: 工作電源電壓:3.3 V 電源電流: 最大功率耗散: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel |
| NCP2809BDMR2G | 功能描述:音頻放大器 135mW Stereo Audio PWR Industrial Temp RoHS:否 制造商:STMicroelectronics 產(chǎn)品:General Purpose Audio Amplifiers 輸出類型:Digital 輸出功率: THD + 噪聲: 工作電源電壓:3.3 V 電源電流: 最大功率耗散: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel |
| NCP2809BEVB | 功能描述:音頻 IC 開發(fā)工具 ANA NCP2809B EVALBRD 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 |
| NCP2809BGEVB | 功能描述:音頻 IC 開發(fā)工具 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 |
| NCP2809BMUTXG | 功能描述:音頻放大器 HEADSET AUDIO AMPLFR RoHS:否 制造商:STMicroelectronics 產(chǎn)品:General Purpose Audio Amplifiers 輸出類型:Digital 輸出功率: THD + 噪聲: 工作電源電壓:3.3 V 電源電流: 最大功率耗散: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel |
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