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參數(shù)資料
| 型號： | NCP4896EVB |
| 廠商： | ON Semiconductor |
| 文件頁數(shù)： | 1/16頁 |
| 文件大?。?/td> | 0K |
| 描述： | EVAL BOARD FOR NCP4896 |
| 設(shè)計資源： | NPC4896 Demo Brd BOM NCP4896 Demo Brd Schematic |
| 標準包裝： | 1 |
| 放大器類型： | AB 類 |
| 輸出類型： | 1-通道（單聲道）帶單聲道耳機 |
| 在某負載時最大輸出功率 x 通道數(shù)量： | 1.08W x 1 @ 8 歐姆; 176mW x 1 @ 16 歐姆 |
| 電源電壓： | 2.2 V ~ 5.5 V |
| 板類型： | 完全填充 |
| 已用 IC / 零件： | NCP4896 |
| 已供物品： | 板 |
| 其它名稱： | NCP4896EVBOS |
Semiconductor Components Industries, LLC, 2005
March, 2005 Rev. 3
1
Publication Order Number:
NCP4896/D
NCP4896
1.0 Watt Audio Power
Amplifier with Earpiece
Driving Capability
The NCP4896 is an audio power amplifier designed for portable
communication device applications such as mobile phones. This part
is capable of delivering 1.0 W of continuous average power to an
8.0
W BTL load from a 5.0 V power supply and, 250 mW to a 4.0 W
BTL from 2.6 V power supply. It also provides the control of driving
a singleended earpiece and delivers 90 mW from a 5.0 V power
supply to a 32
W load.
This device provides high quality audio while requiring few
external components and minimal power consumption. It features a
lowpower consumption shutdown mode, which is achieved by
driving the shutdown pin with logic Low.
The NCP4896 contains circuitry to prevent from “pop and click”
noise that would otherwise occur during turnon and turnoff
transitions. It is also efficient when switching modes from BTL to SE
and SE to BTL.
For maximum flexibility, the part 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.
Features
SingleEnded or Differential Control
1.0 W to an 8.0 W BTL Load from a 5.0 V Power Supply
Excellent PSRR: Direct Connection to the Battery
Ultra Low Current Shutdown Mode
2.2 V5.5 V Operation
External Gain Configuration Capability
External Turnon Time Configuration Capability
Thermal Overload Protection Circuitry
Up to 1.0 nF Capacitive Load Driving Capability
“Pop and Click” Noise Protection Circuit
This is a PbFree Device
Typical Applications
Portable Electronic Devices
PDAs
Mobile Phones
9PIN FLIPCHIP
FC SUFFIX
CASE 499AL
PIN CONNECTIONS
9PIN FLIPCHIP CSP
XXX
= Specific Device Code
A
= Assembly Location
Y
= Year
WW
= Work Week
MARKING
DIAGRAM
A3
B3
C3
A2
B2
C2
A1
B1
C1
SE/BTL
BYP
OUTB
VP
NC
VM
INM
SD
OUTA
(Top View)
1
See detailed ordering and shipping information in the package
dimensions section on page 15 of this data sheet.
ORDERING INFORMATION
XXX
AYWW
A1
A3
C1
http://onsemi.com
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