Ordering number : EN4673A Thick Film Hybrid IC STK4034X AF Power Amplifier (Split Power Supply) (45 W min, THD = 0.008%) Features Package Dimensions • Miniature package allows audio sets to be made slimmer. • Pin-compatible amplifiers with outputs of 30 to 100 W are available. • Facilitates thermal design of slim stereo sets by distributing the heat dissipating ICs in the set. • Current mirror circuit application reduces distortion to 0.008%. • Supports the design of supplementary electronic circuits (thermal shutdown, load short protection, and pop noise muting at power on and off). unit: mm 4062 [STK4034X] Specifications Maximum Ratings at Ta = 25°C Parameter Maximum supply voltage Symbol VCC max Conditions Ratings ±50 Unit V θj-c 1.8 °C/W Junction temperature Tj 150 °C Operating substrate temperature Tc 125 °C –30 to +125 °C Thermal resistance Storage temperature Tstg Available time for load shorted tS* VCC = ±35 V, RL = 8 Ω, f = 50 Hz, PO = 45 W 2 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 = 25°C Parameter Recommended supply voltage Symbol VCC Load resistance Conditions Ratings ±35 RL Unit V Ω 8 Operating Characteristics at Ta = 25°C, VCC = ±35 V, RL = 8 Ω, VG = 40 dB, Rg = 600 Ω, 100 k LPF ON, RL (noninductive load) Parameter Quiescent current Output power Symbol ICCO THD = 0.008%, f = 20 Hz to 20 kHz 45 PO (2) VCC = ±31 V, THD = 0.04%, RL = 4 Ω, f = 1 kHz 50 THD Frequency response Output noise voltage Neutral voltage VCC = ±41 V Ratings min 15 PO (1) Total harmonic distortion Input resistance Conditions typ Unit max 120 mA W fL, fH PO = 1.0 W, f = 1 kHz +0 PO = 1.0 W, –3 dB 20 to 50 k Hz ri PO = 1.0 W, f = 1 kHz 55 kΩ VNO* VN 0.008 VCC = ±41 V, Rg = 10 kΩ VCC = ±41 V –70 0 % 1.2 mVrms +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 O3096HA (OT)/51694TH (OT) 5-2263 No. 4673-1/3 STK4034X Specified Transformer Power Supply (MG-200 equivalent) Equivalent Circuit Sample Application Circuit: Single Channel 45 W (minimum) AF Power Amplifier No. 4673-2/3 STK4034X ■ 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 October, 1996. Specifications and information herein are subject to change without notice. No. 4673-3/3