STK404-200-E 데이터 시트보기 (PDF) - SANYO -> Panasonic
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STK404-200-E
SANYO -> Panasonic
STK404-200-E Datasheet PDF : 11 Pages
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STK404-200-E
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
STK404-200-E
ST
BY ERROR IN
123
SUB
NF /GND -Pre +Pre DC
4 5678
OC -VCC +VCC OUT- OUT+
9 10 11 12 13
R1
C
R2
Output to speaker
* 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.
+V (to +VCC)
STK404-200-E
ST
BY ERROR IN
1 23
SUB
NF /GND -Pre +Pre DC OC -VCC +VCC OUT- OUT+
4 5 6 7 8 9 10 11 12 13
ERROR
H: Normal condition
L: Error
error (max) 20mA
No. A1491-10/11
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