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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 = 25C
Parameter Maximum supply voltage Thermal resistance Junction temperature Operating case temperature Storage temperature Available time for load shorted Symbol VCC max j-c Tj Tc Tstg tS* VCC = 45 V, RL = 8 , f = 50 Hz, PO = 80 W Condition Rating 65 1.2 150 125 -30 to +125 2 Unit V C/W C C C s
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 = 25C
Parameter Recommended supply voltage Load resistance Symbol VCC RL Condition Rating 45 8 Unit V
Operating Characteristics at Ta = 25C, VCC = 45 V, RL = 8 (noninductive load), Rg = 600 , VG = 40 dB
Parameter Quiescent current Output power Total harmonic distortion Frequency response Input resistance Output noise voltage Neutral voltage Symbol ICCO PO THD fL, fH ri VNO** VN VCC = 54 V THD = 0.4%, f = 20 Hz to 20 kHz PO = 1.0 W, f = 1 kHz
+0 PO = 1.0 W, -3 dB
Condition
Rating min 15 80 0.3 20 to 50 k 55 1.2 -70 0 +70 typ max 120
Unit mA W % Hz k mVrms mV
PO = 1.0 W, f = 1 kHz VCC = 54 V, Rg = 10 k VCC = 54 V
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
STK4042 II
Specified Transformer Power Supply (MG-200 equivalent)
Equivalent Circuit
Sample Application Circuit: 80 W (minimum) AF Power Amplifier
No. 4479-2/3
STK4042 II
s No products described or contained herein are intended for use in surgical implants, life-support systems, aerospace equipment, nuclear power control systems, vehicles, disaster/crime-prevention equipment and the like, the failure of which may directly or indirectly cause injury, death or property loss. s Anyone purchasing any products described or contained herein for an above-mentioned use shall: Accept full responsibility and indemnify and defend SANYO ELECTRIC CO., LTD., its affiliates, subsidiaries and distributors and all their officers and employees, jointly and severally, against any and all claims and litigation and all damages, cost and expenses associated with such use: Not impose any responsibility for any fault or negligence which may be cited in any such claim or litigation on SANYO ELECTRIC CO., LTD., its affiliates, subsidiaries and distributors or any of their officers and employees jointly or severally. s Information (including circuit diagrams and circuit parameters) herein is for example only; it is not guaranteed for volume production. SANYO believes information herein is accurate and reliable, but no guarantees are made or implied regarding its use or any infringements of intellectual property rights or other rights of third parties. This catalog provides information as of November, 1996. Specifications and information herein are subject to change without notice. No. 4479-3/3

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