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STK404-230-E Datasheet(PDF) 10 Page - Sanyo Semicon Device |
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STK404-230-E Datasheet(HTML) 10 Page - Sanyo Semicon Device |
10 / 12 page STK404-230-E No. A1244-10/12 DC Offset Detector Circuit DC offset protection is activated if VDC(+) or VDC(-)≒0.5V (typ) is applied to DC (#8). The HIC shuts down and the state of the error pin switches from high to low. The (open collector output) latch mode is cleared by setting the pin to the ground level. Set the protection level with the voltage dividing resistors R1 and R2 and determine the time constant value of C so that the IC will not malfunction when generating the audio signals. Sample Application Circuit * Please refer to ’13.Application circuit’ about recommended Value. Error Indicator (Open Collector) The state of the ERROR pin (#2) switches from high to low (open collector output) when a protection circuit is activated. ERROR +V (to +VCC) H: Normal condition L: Error STK404-230-E 13 12 11 10 9 8 7 6 5 4 3 2 1 ERROR OC -Pre -VCC +VCC OUT+ OUT- +Pre SUB /GND IN NF ST BY DC Ierror (max) 20mA Output to speaker STK404-230-E 13 12 11 10 9 8 7 6 5 4 3 2 1 ERROR OC -Pre -VCC +VCC OUT+ OUT- +Pre SUB /GND IN NF ST BY DC R1 R2 C |
Similar Part No. - STK404-230-E |
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Similar Description - STK404-230-E |
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