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NCP2890/D PDF预览

NCP2890/D

更新时间: 2024-09-18 23:53:27
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其他 - ETC 放大器功率放大器
页数 文件大小 规格书
16页 192K
描述
1W Audio Power Amplifier

NCP2890/D 数据手册

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NCP2890  
1.0 Watt Audio Power  
Amplifier  
The NCP2890 is an audio power amplifier designed for portable  
communication device applications such as mobile phone  
applications. The NCP2890 is capable of delivering 1.0 W of  
continuous average power to an 8.0 Wꢀ BTL load from a 5.0 V power  
http://onsemi.com  
supply, and 320 mW to a 4.0 W BTL load from a 2.6 V power supply.  
The NCP2890 provides high quality audio while requiring few  
external components and minimal power consumption. It features a  
low−power consumption shutdown mode, which is achieved by  
driving the SHUTDOWN pin with logic low.  
The NCP2890 contains circuitry to prevent from “pop and click”  
noise that would otherwise occur during turn−on and turn−off  
transitions.  
For maximum flexibility, the NCP2890 provides an externally  
controlled gain (with resistors), as well as an externally controlled  
turn−on and turn−off times (with the bypass capacitor).  
Due to its excellent PSRR, it can be directly connected to the  
battery, saving the use of an LDO.  
MARKING  
DIAGRAMS  
9−Pin Flip−Chip CSP  
FC SUFFIX  
MAx  
YYWW  
1
CASE 499E  
A1  
8
Micro8E  
DM SUFFIX  
CASE 846A  
MAB  
RYW  
8
1
1
This device is available in a 9−Pin Flip−Chip CSP (standard  
Tin−Lead and Lead−Free versions) and a Micro8 package.  
x
= Specific Device Code,  
G or H  
= Assembly Location  
Features  
R
YY, Y = Year  
WW, W = Work Week  
1.0 W to an 8.0 Wꢀ BTL Load from a 5.0 V Power Supply  
Excellent PSRR: Direct Connection to the Battery  
« Pop and Click » Noise Protection Circuit  
Ultra Low Current Shutdown Mode  
PIN CONNECTIONS  
9−Pin Flip−Chip CSP  
2.2 V−5.5 V Operation  
A1  
A2  
A3  
External Gain Configuration Capability  
External Turn−on and Turn−off Time Configuration Capability  
Up to 1.0 nF Capacitive Load Driving Capability  
Thermal Overload Protection Circuitry  
INM  
OUTA  
INP  
B1  
B2  
B3  
VM_P  
VM  
V
p
Typical Applications  
Portable Electronic Devices  
PDAs  
C1  
C2  
C3  
BYPASS OUTB SHUTDOWN  
(Top View)  
Wireless Phones  
Micro8  
SHUTDOWN  
BYPASS  
1
2
8
7
6
5
OUTB  
VM  
INP  
INM  
V
p
3
4
OUTA  
(Top View)  
ORDERING INFORMATION  
See detailed ordering and shipping information in the package  
dimensions section on page 14 of this data sheet.  
Semiconductor Components Industries, LLC, 2003  
1
Publication Order Number:  
October, 2003 − Rev. 6  
NCP2890/D  

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