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SA7411S PDF даташит

Спецификация SA7411S изготовлена ​​​​«Silan Microelectronics» и имеет функцию, называемую «1CH AUDIO POWER AMPLIFIER».

Детали детали

Номер произв SA7411S
Описание 1CH AUDIO POWER AMPLIFIER
Производители Silan Microelectronics
логотип Silan Microelectronics логотип 

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SA7411S Даташит, Описание, Даташиты
SA7411
1-CH AUDIO POWER AMPLIFIER(1W)
DESCRIPTION
SA7411 is a single channel audio power amplifier capable of
delivering 1W of maximum output power to a 8load using a single 9V
supply at 10% THD.
DIP-8-300-2.54
FEATURES
* Max power 1W
* Single supply operation
* Integrated standby and mute function
* Internal thermal protection
APPLICATIONS
* Audio power amplifier with high performance
* TV
* Monitor
SOP-8-225-1.27
ORDERING INFORMATION
Device
SA7411
SA7411S
Package
DIP-8-300-2.54
SOP-8-225-1.27
BLOCK DIAGRAM
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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 Current
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
14
1.5
422
7.5 ~ 13.5
Unit
°C
°C
Pa
m/s2
m/s2
V
A
mW
V
HANGZHOU SILAN MICROELECTRONICS CO.,LTD
Http: www.silan.com.cn
REV:1.0 2005.07.11
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SA7411S Даташит, Описание, Даташиты
SA7411
ELECTRICAL CHARACTERISTICS (Unless otherwise specified: VCC= 9V; RL =8, Tamb =25°C, f =1kHz)
Characteristics
Quiescent Current
Standby Current
Stand-by On Voltage
Stand-by Off Voltage
Output End Noise Voltage
Ripple Rejection Ratio
Voltage Gain
Total Harmonic Distortion
Maximum Output Power
Muting Ratio
Mute On Voltage
Mute Off Voltage
Under Voltage Lock Up
Symbol
Test Condition
ICQ STBY/MUTE=3.3V; No input
ISTB STBY/MUTE =0V; No input
Vstb-on No input
Vstb-off No input
STBY/MUTE =3.3V; No input;
Vno
Rg=10k
STBY/MUTE =3.3V; Rg=10k;
RR
Vripple=1Vrms; fripple=120Hz
GV STBY/MUTE =3.3V; Po=0.25W
THD STBY/MUTE =3.3V; Po=0.25W
STBY/MUTE =5.0V;
PO
THD=10%; VOL=3.3V
MR STBY/MUTE=2.0V to 2.7V
Mute-on MR 65dB
Mute-off Gv 31.5dB
STBY/MUTE =3.3V; ICQ<1mA;
UVLO
No Output
Min.
--
--
--
1.2
Typ.
13
5
--
--
Max.
40
50
0.4
--
Unit
mA
µA
V
V
-- 0.25 0.5 mVrms
30 50
--
31.5 33.5 35.5
-- 0.15 0.5
0.8 1.0
--
65 75
-- --
2.7 --
--
2
--
-- 6.0 6.3
dB
dB
%
W
dB
V
V
V
PIN CONFIGURATION
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PIN DESCRIPTIONS
Pin No.
1
2
3
4
5
6
7
8
Pin Name
INPUT
STBY/MUTE
RF
GND
VCC
OUTPUT
PW_GND
NC
Input pin
Standby and Mute
Ripple Rejection
Signal Ground
Voltage of supply
Output pin
Power ground
Not connect
Pin Description
HANGZHOU SILAN MICROELECTRONICS CO.,LTD
Http: www.silan.com.cn
REV:1.0 2005.07.11
Page 2 of 4









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SA7411S Даташит, Описание, Даташиты
SA7411
FUNCTION DESCRIPTIONS
1. Standby and Mute Function
The PIN2 (STBY/MUTE) controls the amplifier status by three different thresholds:
Ø When Vpin2 is between 0V and 0.4V, the bias of amplifier is off and the amplifier is in standby mode.
Ø When Vpin2 is between 1.2V and 2.0V, the bias of amplifier is on but the gain of the circuit is zero. The
amplifier is in mute mode.
Ø When Vpin2 is between2.7V and 3.3V, the amplifier is play mode.
2. Ripple Rejection
Ground the RF so that there will be no difference in electric potential between the RF and ground.
3. Thermal Protection
The thermal protection circuit operates at a Tj of approximately 145°C. The thermal protection circuit is
reset automatically when the temperature drops.
4. Absence of Short Protection
Make sure that the IC is free of output pin short to ground, output pin short to VCC, IC mount in reverse
direction and load short because there is no such protection in the IC. The IC will be damaged under such
conditions and smoke may be observed.
APPLICATION CIRCUIT
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HANGZHOU SILAN MICROELECTRONICS CO.,LTD
Http: www.silan.com.cn
REV:1.0 2005.07.11
Page 3 of 4










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