Ricoh R3111x Series Instrukcja Użytkownika Pobierz pdf (Strona 26)

R3111x

TECHNICAL NOTES

When R3111xxxxA/B (Nch Open Drain Output Type) is used in Figure A or Figure B, if impedance of Voltage

Supply pin, V

DD and VDD of this IC is large, detector threshold level would shift by voltage dropdown caused by

the consumption current of the IC itself. Released voltage may also shift and delay time for start-up might be

generated by this usage.

When R3111xxxxC (CMOS Output Type) is used in Figure A or Figure B, Output level could be unstable by

cross conduction current which is generated at detector threshold level or at released voltage level, therefore, do

not use this IC with the connection in Figure A or Figure B.

The connection in Figure C may cause the oscillation in both R3111xxxxC (CMOS Output) and R3111xxxxA/B

(Nch Open Drain Output), therefore do not use R3111x Series with the connection in Figure C.

GND

R3111x

Series

OUT

R3111x

Series

OUT

GND GND

R3111x

Series

OUT

Figure A Figure B Figure C

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Ricoh R3111x Series Instrukcja Użytkownika Strona 26