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STK4042XI Datasheet, PDF (1/5 Pages) Sanyo Semicon Device – AF Power Amplifier (Split Power Supply) (80 W min, THD = 0.008%) 
Ordering number: EN1677B
Thick Film Hybrid IC
STK4042 XI
AF Power Amplifier (Split Power Supply)
(80W min, THD = 0.008%)
Features
Package Dimensions
• Small-sized package permitting audio sets to be made
slimmer.
• The STK4018XI series are available for output 50W to
80W and are pin-compatible.
• Facilitates thermal design of slim stereo sets.
• The use of a current mirror circuit, cascode circuit, pure
complementary circuit provides low distortion (0.008%
/ 100kHz, LPF ON).
• Possible to design electronic supplementary circuits
(pop noise muting at the time of power ON/OFF, load
short protector, thermal shutdown)
unit: mm
4075
[STK4042XI]
Specifications
Maximum Ratings at Ta = 25°C
Parameter
Maximum supply voltage
Thermal resistance
Junction temperature
Operating substrate temperature
Storage temperature
Available time for load short-circuit
Symbol
VCC max
θj-c
Tj
Tc
Tstg
ts*1
Conditions
VCC = ±46.5V, RL = 8Ω, f = 50Hz, PO = 80W
Ratings
±67
1.2
150
125
−30 to +125
1
Unit
V
°C/W
°C
°C
°C
s
Recommended Operating Conditions at Ta = 25°C
Parameter
Recommended supply voltage
Load resistance
Symbol
VCC
RL
Conditions
Ratings
Unit
±46.5
V
8
Ω
SANYO Electric Co., Ltd. Semiconductor Business Headquarters
TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110 JAPAN
61297HA (ID) / 8298MO / 4015MY, TS No. 1677—1/5