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Silan Microelectronics

SA7412 Datasheet Preview

SA7412 Datasheet

2CH AUDIO POWER AMPLIFIER

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SA7412
2-CH AUDIO POWER AMPLIFIER(1W X2)
DESCRIPTION
SA7412 is a dual channel audio power amplifier capable of delivering
1W per channel of maximum output power to a 8load using a single
9V supply at 10% THD.
FEATURES
* Fixed gain
* Single supply operation
* Integrated standby and mute function
* Integrated volume and input switch function
* Integrated monitor function
* Internal thermal protection
APPLICATIONS
* Audio power amplifier with high performance
* TV
* Monitor
FDIP-16-300-2.54
ORDERING INFORMATION
Device
SA7412
Package
FDIP-16-300-2.54
BLOCK DIAGRAM
www.DataSheet4U.com
HANGZHOU SILAN MICROELECTRONICS CO.,LTD
Http: www.silan.com.cn
REV:1.1 2005.11.18
Page 1 of 7




Silan Microelectronics

SA7412 Datasheet Preview

SA7412 Datasheet

2CH AUDIO POWER AMPLIFIER

No Preview Available !

SA7412
ABSOLUTE MAXIMUM RATINGS (Tamb=25°C, unless otherwise specified)
Characteristic
Storage Temperature
Operating Ambient Temperature
Operating Ambient Pressure
Operating Constant Acceleration
Operating Shock
Supply Voltage
Supply Current
Power Dissipation
Operating Supply Voltage Range
Symbol
Tstg
Topr
Popr
Gopr
Sopr
VCC
ICC
PD
VCC
Value
-55 ~ +150
-25 ~ +70
1.013×105 ± 0.61×105
9810
4900
15.0 (*)
1.5
2 (**)
7.5 ~ 13.5
Unit
°C
°C
Pa
m/s2
m/s2
V
A
W
V
Note: (*) No signal input;
(**) Tamb=75°C and without heatsink.
ELECTRICAL CHARACTERISTICS (Unless otherwise specified: VCC= 9V; RL =8, Tamb =25°C, f = 1kHz)
Characteristics
Symbol
Test Condition
Min. Typ. Max. Unit
Quiescent Current
ICQ STBY/MUTE=5V; No input; VOL=0V
-- 32 80 mA
Standby Current
ISTBY STBY/MUTE=0V;No input; VOL=0V
-- 5 50 µA
Stand-by On Voltage
Vstby-on VOL=0V; No input; I_supply 50µA
0 -- 0.3 V
Stand-by Off Voltage
Vstby-off VOL=0V; No input; I_supply 14mA
1.2 -- -- V
Output End Noise Voltage
STBY/MUTE =5.0V; No input;
Vno
VOL =0V; Rg=10k
mVr
-- 0.15 0.5
ms
Ripple Rejection Ratio
STBY/MUTE =5.0V; VOL =0V; Rg=10k;
RR 30 50 -- dB
Vripple=1Vrms; fripple=120Hz
Voltage Gain
STBY/MUTE =5.0V;
GV
Po=0.25W; VOL =3.3V
31.5 33.5 35.5 dB
www.DataShTeoetta4lUH.caormmonic Distortion
STBY/MUTE =5.0V;
THD
Po=0.25W; VOL=3.3V
-- 0.25 0.4 %
Maximum Output Power
STBY/MUTE =5.0V;
PO
THD=10%; VOL =3.3V
0.8 1.0 -- W
Mid Volume Gain
GVmid STBY/MUTE =5.0V; VOL =1.5V
24.5 27.5 30.5 dB
Min Volume Attenuation Ratio
ATTmin STBY/MUTE=5.0V; VOL =0V~3.3V
65 75 -- dB
Muting Ratio
MR VOL=3.3V;STBY/MUTE=1.8V~ 5.0V
65 75 -- dB
Mute On Voltage
Mute-on VOL=3.3V; MR 65dB
0 -- 1.8 V
Mute Off Voltage
Mute-off VOL =3.3V; GV 31.5dB
3.8 -- 5.0 V
Under Voltage Lock Up
UVLO STBY/MUTE=5.0V; ICQ<1mA; No Output -- 6.5 7.5 V
Crosstalk Between Channel A
CT STBY/MUTE =5.0V; VOL =3.3V
and B
45 60 -- dB
Channel Balance
CB STBY/MUTE =5.0V; VOL =3.3V
-1 0 1 dB
Monitor Output Gain
GMO STBY/MUTE =5.0V; VOL =3.3V
-2 -0.5 2 dB
Voltage Threshold to Select Input
STBY/MUTE =5.0V; VOL =3.3V;
VSWA
0
A Po=0.25W
-- 0.6 V
Voltage Threshold to Select Input
STBY/MUTE =5.0V; VOL =3.3V;
VSWB
2.5 -- 5.0 V
B Po=0.25W
HANGZHOU SILAN MICROELECTRONICS CO.,LTD
Http: www.silan.com.cn
REV:1.1 2005.11.18
Page 2 of 7


Part Number SA7412
Description 2CH AUDIO POWER AMPLIFIER
Maker Silan Microelectronics
Total Page 6 Pages
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