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PDF STK433-840N-E Data sheet ( Hoja de datos )
| Número de pieza | STK433-840N-E | |
| Descripción | 4channel class-AB Audio Power IC | |
| Fabricantes | Sanyo | |
| Logotipo |  |
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Ordering number : ENA2108
STK433-840N-E
Thick-Film Hybrid IC
4channel class-AB Audio Power IC
40W × 4ch
Overview
The STK433-840N-E is 4 channels class-AB audio frequency power amplifier hybrid IC.
Application
• Audio Power amplifiers
Features
• Pin-to-pin compatible outputs ranging from 40W to 80W.
• Miniature package.
• Output load impedance: RL = 6Ω recommended.
• Allowable load shorted time: 0.3 second
• Allows the use of predesigned applications for standby and mute circuit.
Series model
Output1 (10%/1kHz)
Output2 (0.4%/20Hz to 20kHz)
Max. rating VCC (quiescent)
Max. rating VCC (6Ω)
Recommended operating VCC (6Ω)
Dimensions (excluding pin height)
STK433-040N-E
STK433-060N-E
40W × 2ch
50W × 2ch
25W × 2ch
35W × 2ch
±38V
±46V
±36V
±40V
±24V
±27V
47.0mm×25.6mm×9.0mm
STK433-130N-E
150W × 2ch
100W × 2ch
±71.5V
±63V
±44V
67.0mm×25.6mm×9.0mm
STK433-330N-E
150W × 3ch
100W × 3ch
±71.5V
±63V
±44V
64.0mm×36.6mm×9.0mm
Output1 (10%/1kHz)
Output2 (0.4%/20Hz to 20kHz)
Max. rating VCC (quiescent)
Max. rating VCC (6Ω)
Recommended operating VCC (6Ω)
Dimensions (excluding pin height)
STK433-840N-E
STK433-870N-E
40W × 4ch
60W × 4ch
25W × 4ch
40W × 4ch
±38V
±50V
±36V
±44V
±25V
±30V
64.0mm×31.1mm×9.0mm
STK433-890N-E
80W × 4ch
50W × 4ch
±54V
±47V
±34V
78.0mm×44.1mm×9.0mm
Any and all SANYO Semiconductor Co.,Ltd. products described or contained herein are, with regard to
"standard application", intended for the use as general electronics equipment. The products mentioned herein
shall not be intended for use for any "special application" (medical equipment whose purpose is to sustain life,
aerospace instrument, nuclear control device, burning appliances, transportation machine, traffic signal system,
safety equipment etc.) that shall require extremely high level of reliability and can directly threaten human lives
in case of failure or malfunction of the product or may cause harm to human bodies, nor shall they grant any
guarantee thereof. If you should intend to use our products for new introduction or other application different
from current conditions on the usage of automotive device, communication device, office equipment, industrial
equipment etc. , please consult with us about usage condition (temperature, operation time etc.) prior to the
intended use. If there is no consultation or inquiry before the intended use, our customer shall be solely
responsible for the use.
Specifications of any and all SANYO Semiconductor Co.,Ltd. products described or contained herein stipulate
the performance, characteristics, and functions of the described products in the independent state, and are not
guarantees of the performance, characteristics, and functions of the described products as mounted in the
customer's products or equipment. To verify symptoms and states that cannot be evaluated in an independent
device, the customer should always evaluate and test devices mounted in the customer's products or
equipment.
82912HKPC 018-11-0094 No.A2108-1/12
1 page  
PCB Layout Example
Top view
STK433-840N-E
Bottom view
No.A2108-5/12
5 Page 
STK433-840N-E
STK433-800 series Stand-by Control & Mute Control & Load-Short Protection
Application
STK433-800 series
-PRE
-VCC
+VCC
Ch1
OUT
Ch1
OUT
Ch2
OUT
Ch2
OUT
+PRE
SUB
GND
Ch1
IN
Ch1
NF
ST-BY
Ch2
NF
Ch2
IN
Ch3
IN
Ch3 Ch4
IN IN
Ch4
NF
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19
100Ω
/1W
100pF
56kΩ
Ch3 Ch3 Ch4 Ch4
OUT OUT OUT OUT
20 21 22 23
100pF
3pF 56kΩ
100pF
100pF
56kΩ
0.22Ω
0.22Ω
(*1) The impression voltage of a Stand-by terminal (#13) is
the maximum rating(VSTmax).
Please set up not to exceed.
1.3kΩ
1kΩ
33kΩ
+ 33μF
/10V
Stand-by Control(ex)
H : Operation Mode(+5V)
2kΩ L : Stand-by Mode(0V)
+VCC
100μF
/100V
+
100μF
/100V
+
GND
100μF +
/100V
-VCC
100Ω/1W
100μF +
/100V
SUB.GND
3pF 3pF 56kΩ
3pF
1.8kΩ
10μF
+ /10V
1.8kΩ
10μF
+ /10V
1.8kΩ
10μF
+ /10V
1.8kΩ
10μF
+ /10V
2.2μF
/50V
+
+
2.2μF
1kΩ
3μH
3μH
4.7kΩ
3μH 4.7kΩ
4.7kΩ
0.1μF
4.7kΩ/1W
0.1μF
4.7kΩ/1W
3μH
4.7kΩ
4.7kΩ/1W
0.1μF
0.1μF
4.7kΩ/1W
Ch4 OUT
Ch3 OUT
Ch2 OUT
GND
GND
GND
GND
Ch1 OUT
+
2.2μF
1kΩ
+5V
Stand-by Control
Mute Control
+5V
MUTE
ST-BY
PLAY
2.2μF
+
1kΩ
1kΩ
10kΩ
10kΩ
10kΩ
10kΩ
10kΩ
Ch4 IN
Ch3 IN
Ch2 IN
GND
Ch1 IN
2.2kΩ
Mute Control
H : Single Mute
L : Normal
MUTE ST-BY
[STK433-800 series Stand-By Control Example]
[Feature]
• The pop noise generated when power supply ON/OFF by using recommendation Stand-By Control Application can be
improved.
• Stand-By Control can be done by additionally adjusting the limitation resistance (*1) to the voltage such as Micro
computer, the set design is easy.
(Reference circuit) STK433-800 series test circuit To Stand-By Control added +5V.
1kΩ
VST #13pin Stand-By OFF threshold.
1 2 3 4 5 6 7 8 9 10
-PRE
-VCC
+VCC
Ch1
OUT
Ch1
OUT
Ch2
OUT
Ch2
OUT
+PRE SUB GND
11 12 13
Ch1 Ch1 ST-
IN NF BY
14 15
Ch2 Ch2
NF IN
16
Ch3
IN
STK433-800series
ΔVBE
Bias Circuit
in PreDriver IC
2.2kΩ (*2)
1.3kΩ (*1)
IST
17 18
Δ VBE
19
33kΩ
+ 33μF
(*3)
Stand-by Control
H : Operation Mode(+5V)
L : Stand-by Mode(0V)
2kΩ
(*4)
Ch3 Ch3 Ch2
NF OUT Ex)Stand-By Control Voltage VST=+5V
VST is set by the limitation resistance(*1).
.IST=(VST-VBE × 2)/((*1)+(*2))
=(5v-0.6v × 2)/(2.2kΩ+1.3kΩ)
≅1.09(mA)
[Operation explanation]
1) #13pin Stand-By Control Voltage VST
(1) Operation Mode
SW transistor of Stand-By Circuit is turned on when VST ≥ 2.5V or more is impressed, and the power amplifier
works.
ex) VST = 3.0V
VST = (*2) × IST+0.6V → 3.0V = 2.2kΩ × IST+0.6V Therefore, IST≅1.09mA
(2) Stand-By Mode
VST ≤ 0.6V or less turns off the SW transistor of Stand-By Circuit by (typ 0V), and the amplifier stops.
ex) VST = 0.6V
VST = (*2) × IST+0.6V → 0.6V = 2.2kΩ × IST+0.6V Therefore, IST≅0mA
No.A2108-11/12
11 Page | ||
| Páginas | Total 12 Páginas | |
| PDF Descargar | [ Datasheet STK433-840N-E.PDF ] | |
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