Details, datasheet, quote on part number: STK4181V
CategoryAnalog & Mixed-Signal Processing
Descriptionaf Power Amplifier (45W + 45W)
CompanySanyo Semiconductor Corporation
DatasheetDownload STK4181V datasheet
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Features, Applications

STK4181V AF Power Amplifier (Split Power Supply) + 45W min, THD = 0.08%)

Pin-compatible with the STK4102II series. The STK4101V series use the same package and are available for output to 50W. Built-in muting circuit to cut off various kinds of pop noise Greatly reduced heat sink due to substrate temperature 125°C guaranteed Distortion 0.08% due to current mirror circuit Excellent cost performance


Parameter Maximum supply voltage Thermal resistance Junction temperature Operating substrate temperature Storage temperature Available time for load short-circuit Symbol VCC max j-c Tj Tc Tstg ts *1 VCC = 45W Conditions Ratings +125 2 Unit V °C/W °C s

Parameter Recommended supply voltage Load resistance Symbol VCC RL Conditions Ratings ±34 8 Unit V
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Parameter Quiescent current Symbol ICCO PO (1) Output power PO (2) Total harmonic distortion Frequency response Input impedance Output noise voltage Neutral voltage Muting voltage THD fL, fH ri VNO VN VM Conditions VCC = ±40.5V THD to 20kHz VCC = ±30V, THD = 1kHz VCC = 10k VCC to 50k min typ 40 max 100 Unit Hz k mVrms mV V

For power supply at the time of test, use a constant-voltage power supply unless otherwise specified. *1 For measurement of the 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. For AC power supply, use an AC stabilized power supply (50Hz) to eliminate the effect of flicker noise in AC primary line.

Sample Printed Circuit Pattern for Application Circuit (Cu-foiled side)


Some Part number from the same manufacture Sanyo Semiconductor Corporation
STK4181X 2ch./1packge, +- Power Supply Built-in Muting Circuit 25w/ch. ~ 70w/ch. Thd=0.02%
STK4182II -
STK4190MK2 2ch./1packge, +- Power Supply 6w/ch. ~ 100w/ch. Thd=0.4%
STK4190MK5 2ch./1packge, +- Power Supply 6w/ch. ~ 100w/ch. Thd=0.08%
STK4191V -
STK4191X 2ch./1packge, +- Power Supply Built-in Muting Circuit 25w/ch. ~ 70w/ch. Thd=0.02%
STK4192II -
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