STK4028

Ordering number: EN4671A Thick Film Hybrid IC STK4028X AF Power Amplifier (Split Power Supply) (30W min, THD = 0.018%) Features • Compact packaging supports slimmer set designs • Series designed for 30 up to 100W and pin-compatibility • Simpler heat sink design facilitates thermal design of slim stereo sets • Current mirror circuit application reduces distortion to 0.018% • Supports additon of electronic circuits for thermal shutdown and load-short protection circuit as well as pop noise muting which occurs when the power supply switch is turned on and off Package Dimensions unit: mm 4062 [STK4028X] Specifications Maximum Ratings at Ta = 25°C Parameter 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 VCC = ±29V, RL = 8Ω, f = 50Hz, Po = 30W Conditions Ratings ±42 2.1 150 125 −30 to +125 2 Unit V °C/W °C °C °C s SANYO Electric Co., Ltd. Semiconductor Business Headquarters TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110 JAPAN 62097HA (ID) / 9237AT, TS No. 4671—1/3 STK4028X Operating Characteristics at Ta = 25°C, VCC = ±29V, RL = 8Ω, VG = 40dB, Rg = 600Ω, 10kLPF ON, RL : Non-inductive load Parameter Quiescent current Symbol ICCO PO (1) Output power PO (2) Total harmonic distortion Frequency characteristic Input impedance Output noise voltage Neutral voltage THD fL, fH ri VNO *2 VN Conditions VCC = ±35.5V THD = 0.018%, f = 20Hz to 20kHz VCC = ±26V, THD = 0.04%, RL = 4Ω, f = 1kHz VCC = ±29V, f = 1kHz, PO = 1.0W VCC = ±29V, +0 PO = 1.0W, dB –3 VCC = ±29V, f = 1kHz, PO = 1.0W VCC = ±35.5V, Rg = 10kΩ VCC = ±35.5V -70 0 20 to 50k 55 1.2 +70 min 15 30 35 0.008 typ max 120 Unit mA W W % Hz kΩ mVrms mV Notes. For power supply at the time of test, use a constant-voltage power supply unless otherwise specified. *1 For measurement of available time for load short-circuit and output noise voltage, use the specified transformer power supply shown right. *2 The output noise voltage is represented by the peak value on rms scale (VTVM) of average value indicating type. The noise voltage waveform includes no flicker noise. Specified Transformer Power Supply (Equivalent to RP-25) Equivalent Circuit No. 4671—2/3 STK4028X Sample Application Circuit: 30W min 1 channel AF Power Amplifier 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. Anyone purchasing any products described or contained herein for an above-mentioned use shall: Œ 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. 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. s s This catalog provides information as of June, 1997. Specifications and information herein are subject to change without notice. No. 4671—3/3