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Silan Microelectronics

SA7454 Datasheet Preview

SA7454 Datasheet

2 X 6W AUDIO POWER AMPLIFIER

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2×6W AUDIO POWER AMPLIFIER
SA7454
DESCRIPTION
SA7454 is a Class AB dual audio power amplifier. It adopts HSIP-9 or
DIP-18IH-300-2.54 package.
FEATURES
* High output power: 6 + 6W @ THD=10%, RL=4,VCC=14.4V
* Fixed gain
* Good power supply ripple rejection
* Standby and Mute functions
* Low ON/OFF POPO noise
* Few external components
* Short circuit protection
* Inverting polarity protection
* Thermal protection
APPLICATIONS
* Multimedia system
* LCD-TV
ORDERING INFORMATION
Device
SA7454
SA7454H
Package
DIP-18IH-300-2.54
HSIP-9
BLOCK DIAGRAM
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HANGZHOU SILAN MICROELECTRONICS CO.,LTD
Http://www.silan.com.cn
REV:1.0 2008.10.21
Page 1 of 5




Silan Microelectronics

SA7454 Datasheet Preview

SA7454 Datasheet

2 X 6W AUDIO POWER AMPLIFIER

No Preview Available !

SA7454
ABSOLUTE MAXIMUM RATINGS
Characteristics
Power Supply
Max. Voltage of Inverting Polarity
Output Pin Endurance Capability
Output Peak Current
Total Power Dissipation
Storage Temperature
Operating Ambient Temperature
Junction Temperature
Thermal Resistance from
Junction to Case
Symbol
Vs
Vs(r)
ERGo
Iosm
Iorm
Ptot
Tstg
Tamb
Tj
Rth(j-c)
Conditions
Operating state
No signal
Vs=0V
No repeat
Repeat
SA7454H
SA7454
Rating
18
20
6
200
4
2.5
15
-55~+150
-40~+85
+150
8
15
Unit
V
V
mJ
A
W
°C
°C
°C
°C/W
ELECTRICAL CHARACTERISTICS (Unless otherwise specified, Vs=14.4V; RL=4Ω; f=1KHz; Tamb=25°C)
Characteristics
Power Supply
Total Quiescent Current
Output DC Level
Output Power
Total Harmonic Distortion
Low Cut-Off Frequency
High Cut-Off Frequency
Closed Loop Gain
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Supply Voltage Ripple Rejection
Ratio
Input Resistance
Output Noise
Channel Separation
Channel Balance
Thermal Protection
Mute Function
Mute/Play Threshold
Output DC Level When Mute
Stand-By Function
Stand-By/Mute Threshold
Stand-By Quiescent Current
Stand-By Bias Current
Symbol
Vs
Iq
Vo
Po
THD
flr
fhr
Gv
SVRR
Zi
Vno
CS
CB
Tp
Test conditions
THD=0.5%
THD=10%
Po=1W
-3dB
-1dB
Operating
Mute
Stand-by
Operating, Rs=0Ω
Operating, Rs=10Ω
Mute
Rs=0Ω
VTMUTE
Vo
VTST-BY
Iq ST-BY
Ib ST-BY
Min.
8.5
--
--
4
5.5
--
--
20
19
48
48
80
50
--
--
--
40
--
Typ.
14.4
40
7.00
4.7
6.0
0.1
45
--
20
--
--
--
60
50
70
50
--
0.1
150
Max.
18.0
80
--
--
--
--
--
--
21
--
--
--
75
--
100
--
--
1
Unit
V
mA
V
W
%
Hz
kHz
dB
dB
kΩ
μV
dB
dB
°C
3.3 -- 6.4 V
-- -- 2 mV
0 -- 2.0 V
--
3.0 100
μA
-- 15 40 μA
HANGZHOU SILAN MICROELECTRONICS CO.,LTD
Http://www.silan.com.cn
REV:1.0 2008.10.21
Page 2 of 5


Part Number SA7454
Description 2 X 6W AUDIO POWER AMPLIFIER
Maker Silan Microelectronics
Total Page 5 Pages
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