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Sanyo Electric Components Datasheet

STK4042II Datasheet

AF Power Amplifier

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Ordering number : EN4479A
Thick Film Hybrid IC
STK4042 II
AF Power Amplifier (Split Power Supply)
(80 W min, THD = 0.4%)
Features
• Miniature package allows audio sets to be made
slimmer.
• Pin-compatible amplifiers with outputs of 20 to
200 W are available.
• Facilitates thermal design of slim stereo sets by
distributing the heat dissipating ICs in the set.
• The adoption of constant current circuits reduces pop
noise when the power supply is turned on or off.
• Supports the design of supplementary electronic circuits
(thermal shutdown, load short protection, and pop noise
muting at power on and off).
Package Dimensions
unit: mm
4075
[STK4042II]
Specifications
Maximum Ratings at Ta = 25°C
Parameter
Symbol
Condition
Rating
Unit
Maximum supply voltage
Thermal resistance
VCC max
θj-c
±65 V
1.2 °C/W
Junction temperature
Tj
150 °C
Operating case temperature
Tc
125 °C
Storage temperature
Tstg
–30 to +125
°C
Available time for load shorted
tS* VCC = ±45 V, RL = 8 , f = 50 Hz, PO = 80 W
2s
Note: Use a constant voltage power supply as the test power supply unless otherwise specified.
* Use the transformer power supply shown on the next page when measuring the available time for load shorted and the output noise voltage.
Recommended Operating Conditions at Ta = 25°C
Parameter
Recommended supply voltage
Load resistance
Symbol
VCC
RL
Condition
Rating
±45
8
Unit
V
Operating Characteristics at Ta = 25°C, VCC = ±45 V, RL = 8 (noninductive load), Rg = 600 , VG = 40 dB
Parameter
Symbol
Condition
Rating
Unit
min typ max
Quiescent current
Output power
Total harmonic distortion
ICCO
PO
THD
VCC = ±54 V
THD = 0.4%, f = 20 Hz to 20 kHz
PO = 1.0 W, f = 1 kHz
15 120 mA
80 W
0.3 %
Frequency response
fL, fH
PO
=
1.0
W,
+0
–3
dB
20 to 50 k
Hz
Input resistance
ri PO = 1.0 W, f = 1 kHz
55 k
Output noise voltage
VNO**
VCC = ±54 V, Rg = 10 k
1.2 mVrms
Neutral voltage
VN VCC = ±54 V
–70
0 +70
mV
Note: Use a constant voltage power supply as the test power supply unless otherwise specified.
** The output noise voltage is the peak value measured with an averaging rms scale volt meter. The noise voltage waveform should not include
pulse noise.
SANYO Electric Co.,Ltd. Semiconductor Bussiness Headquarters
TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110 JAPAN
N3096HA (OT)/82793YO 5-2300 No. 4479-1/3


Sanyo Electric Components Datasheet

STK4042II Datasheet

AF Power Amplifier

No Preview Available !

STK4042 II
Equivalent Circuit
Specified Transformer Power Supply
(MG-200 equivalent)
Sample Application Circuit: 80 W (minimum) AF Power Amplifier
No. 4479-2/3


Part Number STK4042II
Description AF Power Amplifier
Maker Sanyo
Total Page 3 Pages
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