SA7412 Datasheet, PDF (2/6 Pages) Silan Microelectronics Joint-stock – 2CH AUDIO POWER AMPLIFIER(1W X2)

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 =8Ω, 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=10kΩ
mVr
-- 0.15 0.5
ms
Ripple Rejection Ratio
STBY/MUTE =5.0V; VOL =0V; Rg=10kΩ;
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
Total Harmonic 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
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