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SA7347 Datasheet(PDF) 2 Page - Silan Microelectronics Joint-stock

Part # SA7347
Description  4CH AUDIO POWER AMPLIFIER(8W X4)
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Manufacturer  SILAN [Silan Microelectronics Joint-stock]
Direct Link  http://www.silan.com.cn
Logo SILAN - Silan Microelectronics Joint-stock

SA7347 Datasheet(HTML) 2 Page - Silan Microelectronics Joint-stock

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SA7347
HANGZHOU MICROELECTRONICS CO.,LTD
REV:1.1
2007.07.27
Http: www.silan.com.cn
Page 2 of 9
ABSOLUTE MAXIMUM RATING (Tamb=25°C)
Characteristics
Symbol
Condition
Rating
Unit
Supply Voltage
VCC
Operating
-0.3 ~ +22
V
Input Voltage
VIN
-0.3 ~ VCC + 0.3
V
Repetitive Peak Output Current
IORM
4
A
Storage Temperature Range
Tstg
non-operating
-55 ~ +150
°C
Ambient Temperature Range
Tamb
-40 ~ +85
°C
Total Power Dissipation
Ptot
69
W
Supply Voltage to Guarantee Short-circuit Protection VCC(SC)
17
V
Thermal Resistance From Junction to Ambient
Rth(j-a)
In free air
40
°C/W
Thermal Resistance From Junction to Case
Rth(j-c)
All channels driven
1.3
°C/W
ELECTRICAL CHARACTERISTICS
(Unless otherwise stated, VCC=15V, RL(SE)=4 , RL(BTL)=8 , f=1kHz, Vstby=VCC, Tamb=25
°C)
Characteristics
Symbol
Test condition
Min.
Typ.
Max.
Unit
Quiescent Supply Current
Icq
RL=
--
100
145
mA
Standby Supply Current
Istby
--
--
1
mA
DC Output Voltage
VO
--
6.9
--
V
Differential Output Voltage Offset
VOUT
BTL(*)
--
--
170
mV
play
VCC/2+3
--
VCC
mute
4.5
--
VCC/2+2
Select Voltage on Pin STBY
Vstby
standby
0
--
0.8
V
Select Current on Pin STBY
Ibias
VCC/2+2<Vstby< VCC
--
--
20
µA
THD=10%, BTL, RL=4
--
22
--
SE RL=3
--
8
--
SE RL=4
--
6
--
BTL RL=6
--
17
--
THD=10%
BTL RL=8
--
13
--
SE RL=3
--
7
--
SE RL=4
--
5
--
BTL RL=6
--
14
--
Output power
PO
THD=1%
BTL RL=8
--
10
--
W
SE
--
0.1
0.5
Total Harmonic Distortion
THD
PO=1W
BTL
--
0.05
0.5
%
SE
25
26
27
Voltage Gain
Gv
BTL
31
32
33
dB
SE
40
60
--
Input Impedance
Zin
BTL
20
30
--
SE
--
150
--
Noise Output Voltage
Vn(o)
BTL
--
200
--
µV
(To be continued)


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