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BA6780 Datasheet(PDF) 9 Page - Rohm |
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BA6780 Datasheet(HTML) 9 Page - Rohm |
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9 / 14 page  BA6780 / BA6780FP-Y Optical disc ICs Measurement circuit switch table BA6780 / BA6780FP-Y 1 1 1 1 2 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 IQ VO1 VO1 VO1 VO2 II1 II2 VO1 VO2 VO2 VO2 VO2 VO2 VO2 VO2 IF1 IF2 IR1 IR2 VO2 VCC −VO1 VO 1 VO 1 1 1 1 1 2 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 3 3 3 3 3 3 3 3 3 3 1 1 1 1 2 3 3 3 3 3 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 2 2 1 1 2 1 1 1 2 1 2 2 1 1 2 2 2 2 2 1 1 1 1 1 1 0 2 2 1 0 2 2 0 0 0 0 0 0 0 0 2.5 2.5 2.5 2.5 2.5 0 0 0 1 0 2 2 0 0 4 2.5 2.5 2.5 2.5 0 0 0 0 0 0 0 0 0 0 0 2 2 5 5 0 0 0 0 0 0 5 0 5 0 5 5 0 5 5 5 0 2 2 5 5 0 0 0 0 0 0 0 05 5 0 0 5 0 05 0 0 0 0 0 2 2 5 5 0 5 5 0 5 0 0 0 0 0 0 0 0 5 0 2 2 5 5 5 0 0 5 5 0 5 0 5 0 0 0 0 0 − − − − − − − − − − − − − − 3 − − − − − − SW Input SW1 SW2 SW3 SW4 SW5 Vr1 Vr2 F1 R1 F2 R2 VIN Conditions IL1 − − − − − − − − − 1 1 1 1 2 0 00 05 5 −− − − − − − − − − − − − Quiescent current Mute on voltage Mute off voltage Vref input voltage range Vref pin current PWM input high level voltage PWM input low level voltage PWM input high level current PWM input low level current <Electronic governor> Output offset voltage Max. pin-to-pin output voltage Pin-to-pin output voltage 1-1 Pin-to-pin output voltage 1-2 Pin-to-pin output voltage 1-3 Pin-to-pin output voltage 1-4 Voltage gain of positive feedback amplifier <Reversible driver> Pin-to-pin output voltage 2-1 Pin-to-pin output voltage 2-2 Pin-to-pin output voltage 2-4 Output load fluctuation Pin-to-pin output voltage 2-3 Parameter Output saturation voltage 1112 1 5 0 0 0 − 4 5 6 VCC swept down from 10V ∗1 Check for abnormality in output in Vr1 and Vr2 input range VCC swept up from 0V − − ∗2 SweeptheF/Rinput, and check that the mode switching is occurring in a range that satisfies the rated values − − ∗3 −20dBV, 1kHz ∗4 100mA (take care with polarity) ∗5 100mA (take care with polarity) ∗6 Difference in output voltage for I=400mA and I=100mA Measure ment ∗∗ ∗∗ ∗∗ ∗∗ ∗ ∗ ∗ ∗ ∗∗ Output load fluctuation (source) Output load fluctuation (sink) Output voltage <4.6V constant-voltage output> 1 1 1 Vreg Vreg Vreg 1 1 1 3 3 3 1 1 1 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 − − − − − − Source Ireg=1mA − Sink Ireg=1mA |
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