Ordering number: EN1677B Thick Film Hybrid IC STK4042XI 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 Symbol Conditions Ratings Unit VCC max ±67 V θj-c 1.2 °C/W Junction temperature Tj 150 °C Operating substrate temperature Tc 125 °C −30 to +125 °C 1 s Maximum supply voltage Thermal resistance Storage temperature Tstg Available time for load short-circuit ts*1 VCC = ±46.5V, RL = 8Ω, f = 50Hz, PO = 80W Recommended Operating Conditions at Ta = 25°C Parameter Symbol Conditions Ratings Unit Recommended supply voltage VCC ±46.5 V Load resistance RL 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 STK4042XI Operating Characteristics at Ta = 25°C, VCC = ±46.5V, RL = 8Ω (noninductive load), VG = 40 dB, Rg = 600Ω, 100kHz-LPFon: Parameter Quiescent current Output power Symbol ICCO PO Conditions VCC = ±56V 15 THD = 0.008%, f = 20 to 20kHz 80 Total harmonic distortion THD PO = 1W, f = 1kHz Frequency response fL, fH Po = 1W, Input impedance Output noise voltage Neutral voltage Notes. ri VNO*2 VN min typ Unit 120 mA W 0.008 +0 dB −3 PO = 1W, f = 1kHz -70 % 20 to 50k Hz 55 kΩ VCC = ±56V, Rg = 10kΩ VCC = ±56V max 0 1.2 mVrms +70 mV For power supply at the time of test, use a constant-voltage power supply unless otherwimse specified. *1 For measurement of the available time for load short-circuit and output noise voltage, use the specified transformer power supply shown below. *2 The output noise voltage is represented by the peak value on the rms scale (VTVM) of average value indicating type. The noise voltage waveform includes no flicker noise. Specified transformer power supply (Equivalent to MG-200) Equivalent Circuit No. 1677—2/5 STK4042XI Output power, PO - W Total harmonic distortion, THD - % Sample Application Circuit : 80W min AF Power Amplifier Output power, PO - W Output power, PO - W Voltage gain, VG - dB Input voltage, Vi - mV Frequency, f - Hz Frequency, f - Hz No. 1677—3/5 IC power dissipation, Pd - W Operating substrate temprature, Tc - °C Supply voltage, VCC - V Quiescent Neutral voltage, current,VIcco - mA N - mV Quiescent current, ICCO - mA Quiescent Neutral voltage, current,VIcco - mA N - mV Quiescent current, ICCO - mA Voltage gain, VG - dB Output power, PO - W STK4042XI Frequency, f - Hz Supply voltage, VCC - V Output power, PO - W No. 1677—4/5 STK4042XI ■ 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. ■ Anyone purchasing any products described or contained herein for an above-mentioned use shall: ➀ 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: ➁ 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. ■ 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 June, 1997. Specifications and information herein are subject to change without notice. No. 1677—5/5