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STK401-060 Dataheets PDF



Part Number STK401-060
Manufacturers Sanyo Semicon Device
Logo Sanyo Semicon Device
Description AF Power Amplifier
Datasheet STK401-060 DatasheetSTK401-060 Datasheet (PDF)

Ordering number: EN 4680B Thick Film Hybrid IC STK401-060 AF Power Amplifier (Split Power Supply) (35W + 35W min, THD = 0.4%) Overview Package Dimensions The STK401-060 is a thick-film audio power amplifier IC belonging to a series in which all devices are pin compatible. This allows a single PCB design to be used to construct amplifiers of various output capacity simply by changing hybrid ICs. Also, this series is part of a new, larger series that comprises mutually similar devices with the sam.

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Ordering number: EN 4680B Thick Film Hybrid IC STK401-060 AF Power Amplifier (Split Power Supply) (35W + 35W min, THD = 0.4%) Overview Package Dimensions The STK401-060 is a thick-film audio power amplifier IC belonging to a series in which all devices are pin compatible. This allows a single PCB design to be used to construct amplifiers of various output capacity simply by changing hybrid ICs. Also, this series is part of a new, larger series that comprises mutually similar devices with the same pin compatibility. This makes possible the development of a 2-channel amplifier from a 3-channel amplifier using the same PCB. In addition, this new series features 6/3Ω drive in order to support the low impedance of modern speakers. unit: mm 4134 [STK401-060] Features • Pin compatible STK400-000 series (3-channel/single package) ↓ STK401-000 series (2-channel/single package) • Output load impedance RL = 6/3Ω supported • New pin configuration Pin configuration has been grouped into individual blocks of inputs, outputs and supply lines, minimizing the adverse effects of pattern layout on operating characteristics. • Few external components In comparison with existing series, external bootstrap resistors and capacitors can be eliminated. SANYO Electric Co., Ltd. Semiconductor Business Headquarters TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110 JAPAN 10997HA(ID) / 71696HA(ID) / 41495TH(ID) No. 4680—1/8 STK401-060 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 Conditions Per power transistor VCC = ±28V, RL = 6Ω, f = 50Hz, PO = 35W Ratings ±41 1.8 150 125 −30 to +125 1 Unit V °C/W °C °C °C s Operating Characteristics at Ta = 25°C, RL = 6Ω (noninductive load), Rg = 600Ω, VG = 40dB Parameter Quiescent current Output power Total harmonic distortion Frequency response Input impedance Output noise voltage Neutral voltage Symbol ICCO PO(1) PO(2) THD(1) THD(2) fL, fH ri VNO VN Conditions VCC = ±34V VCC = ±28V, f = 20Hz to 20kHz, THD = 0.4% VCC = ±23V, f = 1kHz, THD = 1.0%, RL = 3Ω VCC = ±28V, f = 20Hz to 20kHz, PO = 1.0W VCC = ±28V, f = 1kHz, PO = 5.0W VCC = ±28V, PO = 1.0W, +0 −3 dB VCC = ±28V, f = 1kHz, PO = 1.0W VCC = ±34V, Rg = 10kΩ VCC = ±34V min 20 35 35 – – – – – −70 typ 60 40 40 – 0.01 20 to 50k 55 – 0 max 100 – – 0.4 – – – 1.2 +70 Unit mA W W % % Hz kΩ mVrms mV Notes. All tests are measured using a constant-voltage supply unless otherwise specified. Available time for load short-circuit and output noise voltage are measured using the transformer supply specified below. The output noise voltage is the peak value of an average-reading meter with an rms value scale (VTVM). A regulated AC supply (50Hz) should be used to eliminate the effects of AC primary line flicker noise. Specified Transformer Supply (RP-25 or Equivalent) No. 4680—2/8 Equivalent Circuit STK401-060 Sample PCB Layout for 2-Channel or 3-Channel Amplifiers Copper (Cu) foil surface Pin 6 of STK400-000 series devices corresponds to pin 1 of STK401-000 series devices. No. 4680—3/8 Sample Application Circuit STK401-060 External Component Description C1, C11 C2, C12 C3, C13 C5, C15 C6, C7 C8, C9 R1, R11 R2, R12 R3, R13 R4, R14 R5, R15 R6, R16 R8, R9 L1, L2 Input coupling capacitors. For DC blocking. Since capacitor reactance becomes larger at lower frequencies, the output noise can be adversely affected by signal source resistance-dependent 1/f noise. In this case, a lower reactance value should be chosen. In order to remove pop noise at power-on, larger values of capacitance should be chosen for C1 and C11, which determine the input time constant, and smaller values for C3 and C13 in the NF circuit. Input filter capacitors. These, together with R1 and R11, form filters to reduce high-frequency noise. NF capacitors. These determine the low-side cut-off frequency. fL = 2----π-----×-----C----3---(---C----1----31---)---×-----R-----3---(--R-----1----3--)Large values should be chosen for C3 and C13 to maintain voltage gain at low frequencies. However, because this would tend to increase the shock noise at power-on, values larger than absolutely necessary should be avoided. Oscillation prevention capacitors. Mylar capacitors are recommended for their excellent thermal and frequency characteristics. Oscillation prevention capacitors. These should be inserted as close as possible to the IC supply pins to reduce supply impedance and hence provide stable IC operation. Electrolytic capacitors are recommended. Decoupling capacitors. These, together with R8 and R9, form time constant circuits that remove shock noise and ripple voltage from the supply, preventing any noise being coupled to the inputs. Input filter re.


7480 STK401-060 MCM6810


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