Electronic Components Datasheet Search
Selected language     English  ▼
Part Name
         Description


LM4954 Datasheet(PDF) 3 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor. Click here to check the latest version.
Part No. LM4954
Description  HIgh Voltage 3 Watt Audio Power Amplifier
Download  16 Pages
Scroll/Zoom Zoom In 100% Zoom Out
Maker  NSC [National Semiconductor (TI)]
Homepage  http://www.national.com
Logo 

 
 3 page
background image
Absolute Maximum Ratings (Notes 1, 2)
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
Supply Voltage (Note 1)
9.5V
Storage Temperature
−65˚C to +150˚C
Input Voltage
−0.3V to V
DD +0.3V
Power Dissipation (Note 3)
Internally Limited
ESD Susceptibility (Note 4)
2000V
ESD Susceptibility (Note 5)
200V
Junction Temperature
150˚C
Thermal Resistance
θ
JA (microSMD) (Note 10)
180˚C/W
Soldering Information
See AN-112 “microSMD Wafers
Level Chip Scale Package.”
Operating Ratings (Notes 1, 2)
Temperature Range
T
MIN
≤ T
A
≤ T
MAX
−40˚C
≤ T
A
≤ 85˚C
Supply Voltage
2.7V
≤ V
DD
≤ 9V
Electrical Characteristics V
DD =7V
(Notes 1, 2)
The following specifications apply for V
DD = 7V, AV-BTL = 6dB, and RL =8
Ω unless otherwise specified. Limits apply for T
A =
25˚C.
Symbol
Parameter
Conditions
LM4954
Units
(Limits)
Typical
Limit
(Note 6)
(Notes 7, 8)
I
DD
Quiescent Power Supply Current
V
IN = 0V, RL =8
Ω BTL
3
5
mA (max)
I
SD
Shutdown Current
V
SD = GND (Note 9)
0.01
1
µA (max)
V
OS
Output Offset Voltage
10
25
mV (max)
P
o
Output Power (Note 11)
THD+N = 1% (max); f = 1kHz
2.4
2.2
W (min)
THD+N = 10% (max); f = 1kHz
3.0
W
THD+N
Total Harmonic Distortion + Noise
P
O = 1Wrms; f = 1kHz
A
V-BTL = 6dB
0.1
%
P
O = 1Wrms; f = 1kHz
A
V-BTL = 26dB
0.4
%
PSRR
Power Supply Rejection Ratio
V
Ripple = 200mVsine p-p,
C
B = 2.2µF, Input terminated
with 10
Ω to GND
f
Ripple = 217Hz, Input Referred
71
54
dB (min)
V
Ripple = 200mVsine p-p,
C
B = 2.2µF, Input terminated
with 10
Ω to ground
f
Ripple = 1kHz, Input Referred
71
55
dB (min)
V
SDIH
Shutdown High Input Voltage
1.2
V (min)
V
SDIL
Shutdown Low Input Voltage
0.4
V (max)
T
WU
Wake-up Time
C
B = 2.2µF
130
ms
OUT
Output Noise
A-Wtg, A
V-BTL = 6dB
Input terminated with 10
Ω to GND,
Output Referred
20
µV
RMS
A-Wtg, A
V-BTL = 26dB
Input terminated with 10
Ω to GND,
Output Referred
100
µV
RMS
R
PD
Pull Down Resistor on Shutdown
75
k
www.national.com
3




Html Pages

1  2  3  4  5  6  7  8  9  10  11  12  13  14  15  16 


Datasheet Download



Related Electronics Part Number

Part NumberComponents DescriptionHtml ViewManufacturer
LM4804Low Voltage High Power Audio Power Amplifier 1 2 3 4 5 MoreNational Semiconductor (TI)
NJM2113LOW VOLTAGE AUDIO POWER AMPLIFIER 1 2 3 4 New Japan Radio
UTCLM386LOW VOLTAGE AUDIO POWER AMPLIFIER 1 2 Unisonic Technologies
HWD21901 Watt Audio Power Amplifier 1 2 3 4 5 MoreList of Unclassifed Manufacturers
LM49272.5 Watt Fully Differential Audio Power Amplifier With Shutdown 1 2 3 4 5 MoreNational Semiconductor (TI)
MJE170Low Power Audio Amplifier Low Current High Speed Switching Applications 1 2 3 4 5 Fairchild Semiconductor
NJM2135LOW VOLTAGE AUDIO POWER AMPLIFIER 1 2 3 4 5 New Japan Radio
NTE180Silicon Power Transistor High Power Audio Amplifier 1 2 NTE Electronics
NTE7088Integrated Circuit Audio Power Amplifier 18 Watt BTL x 2 Channel 1 2 3 NTE Electronics

Link URL

Does ALLDATASHEET help your business so far?  [ DONATE ]  

About Alldatasheet   |   Advertisement   |   Datasheet Upload   |   Contact us   |   Privacy Policy   |   Bookmark   |   Link Exchange   |   Manufacturer List
All Rights Reserved© Alldatasheet.com 2003 - 2017    


Mirror Sites
English : Alldatasheet.com  , 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