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參數資料
| 型號： | NCP4894FCT1 |
| 廠商： | ON SEMICONDUCTOR |
| 元件分類： | 音頻／視頻放大 |
| 英文描述： | 1.8 Watt Differential Audio Power Amplifier with Selectable Shutdown |
| 中文描述： | 1.08 W, 1 CHANNEL, AUDIO AMPLIFIER, PBGA9 |
| 封裝： | FLIP CHIP, CSP-9 |
| 文件頁數： | 1/18頁 |
| 文件大小： | 174K |
| 代理商： | NCP4894FCT1 |
Semiconductor Components Industries, LLC, 2005
November, 2005 Rev. 8
1
Publication Order Number:
NCP4894/D
NCP4894
1.8 Watt Differential Audio
Power Amplifier with
Selectable Shutdown
The NCP4894 is a differential audio power amplifier designed for
portable communication device applications. This feature and the
excellent audio characteristics of the NCP4894 are a guarantee of a
high quality sound, for example, in mobile phones applications. With
a 10% THD+N value the NCP4894 is capable of delivering 1.8 W of
continuous average power to an 8.0
supply. With the same load conditions and a 5.0 V battery voltage, it
ensures 1.0 W to be delivered with less than 0.01% distortion.
The NCP4894 provides high quality audio while requiring few
external components and minimal power consumption. It features a
lowpower consumption shutdown mode.
To be flexible, shutdown may be enabled by either a logic high or
low depending on the voltage applied on the SD MODE pin.
The NCP4894 contains circuitry to prevent from “pop and click”
noise that would otherwise occur during turnon and turnoff
transitions.
For maximum flexibility, the NCP4894 provides an externally
controlled gain (with resistors), as well as an externally controlled
turnon time (with bypass capacitor).
Due to its excellent PSRR, it can be directly connected to the
battery, saving the use of an LDO.
This device is available in 9Pin FlipChip, Micro10 and DFN10
3x3 mm packages.
load from a 5.5 V power
Features
Differential Amplification
Shutdown High or Low Selectivity
1.0 W to an 8.0 Load from a 5.0 V Power Supply
Superior PSRR: Direct Connection to the Battery
“Pop and Click” Noise Protection Circuit
Ultra Low Current Shutdown Mode
2.2 V5.5 V Operation
External Gain Configuration Capability
External Turnon Configuration Capability
Thermal Overload Protection Circuitry
PbFree Packages are Available
Typical Applications
Portable Electronic Devices
PDAs
Mobile Phones
9PIN FLIPCHIP
FC SUFFIX
CASE 499AL
http://onsemi.com
xxxx
A
L
Y
W, WW = Work Week
= PbFree Package
(Note: Microdot may be in either location)
= Specific Device Code
= Assembly Location
= Wafer Lot
= Year
MARKING
DIAGRAMS
Micro10
DM SUFFIX
CASE 846B
1
8
1
See detailed ordering and shipping information in the package
dimensions section on page 14 of this data sheet.
ORDERING INFORMATION
xxx
AYWW
A1
A3
C1
xxxx
AYW
DFN10
MN SUFFIX
CASE 485C
xxx
ALYW
1
1
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相關代理商/技術參數 |
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| NCP4894FCT1G | 功能描述:音頻放大器 1.8W Diff Audio PWR Industrial Temp RoHS:否 制造商:STMicroelectronics 產品: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: 安裝風格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel |
| NCP4894MNR2 | 功能描述:音頻放大器 1.8W Diff Audio PWR RoHS:否 制造商:STMicroelectronics 產品: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: 安裝風格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel |
| NCP4894MNR2G | 功能描述:音頻放大器 1.8W Diff Audio PWR Industrial Temp RoHS:否 制造商:STMicroelectronics 產品: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: 安裝風格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel |
| NCP4896 | 制造商:ONSEMI 制造商全稱:ON Semiconductor 功能描述:1.0 Watt Audio Power Amplifier with Earpiece Driving Capability |
| NCP4896/D | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:1W Audio Amplifier with Earpiece Driving Capability |
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