công cụ tìm kiếm bảng dữ liệu linh kiện điện tử
  Vietnamese  ▼
ALLDATASHEET.VN

X  

LM4990 bảng dữ liệu(PDF) 1 Page - Texas Instruments

tên linh kiện LM4990
Giải thích chi tiết về linh kiện  2 Watt Audio Power Amplifier with Selectable Shutdown Logic Level
Download  28 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
nhà sản xuất  TI [Texas Instruments]
Trang chủ  http://www.ti.com
Logo TI - Texas Instruments

LM4990 bảng dữ liệu(HTML) 1 Page - Texas Instruments

  LM4990_15 Datasheet HTML 1Page - Texas Instruments LM4990_15 Datasheet HTML 2Page - Texas Instruments LM4990_15 Datasheet HTML 3Page - Texas Instruments LM4990_15 Datasheet HTML 4Page - Texas Instruments LM4990_15 Datasheet HTML 5Page - Texas Instruments LM4990_15 Datasheet HTML 6Page - Texas Instruments LM4990_15 Datasheet HTML 7Page - Texas Instruments LM4990_15 Datasheet HTML 8Page - Texas Instruments LM4990_15 Datasheet HTML 9Page - Texas Instruments Next Button
Zoom Inzoom in Zoom Outzoom out
 1 / 28 page
background image
LM4990
www.ti.com
SNAS184E – DECEMBER 2002 – REVISED MAY 2013
LM4990
2 Watt Audio Power Amplifier with Selectable
Shutdown Logic Level
Check for Samples: LM4990
1
FEATURES
DESCRIPTION
The LM4990 is an audio power amplifier primarily
2
Available in Space-Saving Packages: WSON,
designed
for
demanding
applications
in
mobile
Exposed-DAP MSOP-PowerPAD, VSSOP, and
phones and other portable communication device
DSBGA
applications. It is capable of delivering 1.25 watts of
Ultra Low Current Shutdown Mode
continuous average power to an 8
Ω BTL load and 2
watts of continuous average power (NGZ and DGQ
Improved Click and Pop Circuitry Eliminates
only) to a 4
Ω BTL load with less than 1% distortion
Noise During Turn-On and Turn-Off
(THD+N+N) from a 5VDC power supply.
Transitions
2.2 - 5.5V Operation
Boomer
audio
power
amplifiers
were
designed
specifically to provide high quality output power with a
No Output Coupling Capacitors, Snubber
minimal
amount
of
external
components.
The
Networks or Bootstrap Capacitors Required
LM4990 does not require output coupling capacitors
Unity-Gain Stable
or bootstrap capacitors, and therefore is ideally suited
for mobile phone and other low voltage applications
External Gain Configuration Capability
where minimal power consumption is a primary
User Selectable Shutdown High or Low Logic
requirement.
Level
The LM4990 features a low-power consumption
shutdown mode. To facilitate this, Shutdown may be
APPLICATIONS
enabled by either logic high or low depending on
Mobile Phones
mode selection. Driving the shutdown mode pin either
PDAs
high or low enables the shutdown pin to be driven in
a likewise manner to enable shutdown.
Portable Electronic Devices
The LM4990 contains advanced pop & click circuitry
KEY SPECIFICATIONS
which eliminates noise which would otherwise occur
during turn-on and turn-off transitions.
Improved PSRR at 217Hz & 1KHz: 62dB
The
LM4990
is
unity-gain
stable
and
can
be
Power Output at 5.0V, 1% THD+N,
configured by external gain-setting resistors.
4
Ω (NGZ and DGQ only): 2W (Typ)
Power Output at 5.0V, 1% THD+N, 8
Ω: 1.25W
(Typ)
Power Output at 3.0V, 1% THD+N, 4
Ω: 600mW
(Typ)
Power Output at 3.0V, 1% THD+N, 8
Ω: 425mW
(Typ)
Shutdown Current: 0.1µA (Typ)
1
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
2
All trademarks are the property of their respective owners.
PRODUCTION DATA information is current as of publication date.
Copyright © 2002–2013, Texas Instruments Incorporated
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.


Số phần tương tự - LM4990_15

nhà sản xuấttên linh kiệnbảng dữ liệuGiải thích chi tiết về linh kiện
logo
National Semiconductor ...
LM4990ITL NSC-LM4990ITL Datasheet
728Kb / 19P
   2 Watt Audio Power Amplifier with Selectable Shutdown Logic Level
LM4990ITLX NSC-LM4990ITLX Datasheet
728Kb / 19P
   2 Watt Audio Power Amplifier with Selectable Shutdown Logic Level
LM4990LD NSC-LM4990LD Datasheet
728Kb / 19P
   2 Watt Audio Power Amplifier with Selectable Shutdown Logic Level
LM4990MH NSC-LM4990MH Datasheet
728Kb / 19P
   2 Watt Audio Power Amplifier with Selectable Shutdown Logic Level
LM4990MM NSC-LM4990MM Datasheet
728Kb / 19P
   2 Watt Audio Power Amplifier with Selectable Shutdown Logic Level
More results

Mô tả tương tự - LM4990_15

nhà sản xuấttên linh kiệnbảng dữ liệuGiải thích chi tiết về linh kiện
logo
National Semiconductor ...
LM4990 NSC-LM4990 Datasheet
728Kb / 19P
   2 Watt Audio Power Amplifier with Selectable Shutdown Logic Level
logo
Texas Instruments
LM4901MMX TI-LM4901MMX Datasheet
1Mb / 25P
[Old version datasheet]   1.6 Watt Audio Power Amplifier with Selectable Shutdown Logic Level
logo
National Semiconductor ...
LM4901 NSC-LM4901 Datasheet
1Mb / 24P
   1.6 Watt Audio Power Amplifier with Selectable Shutdown Logic Level
logo
Unisonic Technologies
PA4894 UTC-PA4894 Datasheet
494Kb / 11P
   1.8 WATT DIFFERENTIAL AUDIO POWER AMPLIFIER WITH SELECTABLE SHUTDOWN
logo
ON Semiconductor
NCP4894 ONSEMI-NCP4894 Datasheet
164Kb / 18P
   1.8 Watt Differential Audio Power Amplifier with Selectable Shutdown
November, 2005 ??Rev. 8
NCP4894 ONSEMI-NCP4894_07 Datasheet
171Kb / 19P
   1.8 Watt Differential Audio Power Amplifier with Selectable Shutdown
January, 2007 ??Rev. 9
logo
Eutech Microelectronics...
EUA6027 EUTECH-EUA6027 Datasheet
458Kb / 14P
   2-W Stereo Audio Power Amplifier with Selectable Gain and Shutdown
EUA6027A EUTECH-EUA6027A Datasheet
767Kb / 14P
   2-W Stereo Audio Power Amplifier with Selectable Gain and Shutdown
logo
MOSA ELECTRONICS
MS6901 MOSA-MS6901_1 Datasheet
347Kb / 9P
   Mono 1.1W Power Amplifier Selectable Shutdown Logic Level Low Voltage Operation
logo
SG Micro Corp
SGM4996 SGMICRO-SGM4996_17 Datasheet
1Mb / 16P
   1.3W Fully Differential Audio Power Amplifier with Selectable Shutdown
More results


Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28


bảng dữ liệu tải về

Go To PDF Page


Link URL




Chính sách bảo mật
ALLDATASHEET.VN
Cho đến nay ALLDATASHEET có giúp ích cho doanh nghiệp của bạn hay không?  [ DONATE ] 

Alldatasheet là   |   Quảng cáo   |   Liên lạc với chúng tôi   |   Chính sách bảo mật   |   Trao đổi link   |   Tìm kiếm theo nhà sản xuất
All Rights Reserved©Alldatasheet.com


Mirror Sites
English : Alldatasheet.com  |   English : Alldatasheet.net  |   Chinese : Alldatasheetcn.com  |   German : Alldatasheetde.com  |   Japanese : Alldatasheet.jp
Russian : Alldatasheetru.com  |   Korean : Alldatasheet.co.kr  |   Spanish : Alldatasheet.es  |   French : Alldatasheet.fr  |   Italian : Alldatasheetit.com
Portuguese : Alldatasheetpt.com  |   Polish : Alldatasheet.pl  |   Vietnamese : Alldatasheet.vn
Indian : Alldatasheet.in  |   Mexican : Alldatasheet.com.mx  |   British : Alldatasheet.co.uk  |   New Zealand : Alldatasheet.co.nz
Family Site : ic2ic.com  |   icmetro.com