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SA7454 Datasheet, PDF (2/5 Pages) Silan Microelectronics Joint-stock – 2×6W AUDIO POWER AMPLIFIER
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
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. Typ. Max. Unit
8.5 14.4 18.0
V
--
40
80
mA
--
7.00
--
V
4
4.7
--
W
5.5
6.0
--
--
0.1
--
%
--
45
--
Hz
20
--
--
kHz
19
20
21
dB
48
--
--
48
--
--
dB
80
--
--
50
60
75
kΩ
--
50
--
--
70
100
μV
--
50
--
40
--
--
dB
--
0.1
1
dB
150
°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
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