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preliminary
DETAILED DESCRIPTION
The inductive-sensor signal applied to DGP and DGN is
raised by an internal voltage divider to a bias voltage of
approximately 2.5 V . An internal clamp structure limits the
voltage at DGP / DGN between - 0.7 V and VDD5 + 0.7 V
typically. The inductive sensor signal is then fed to the
internal comparators. With a positive inductive sensor signal
which exceeds the positive threshold, the output signal NBM
is set to High ( corresponds to preparing for the negative
zero crossing ). The analog glitch filter suppresses short
disturbance pulses smaller than 3
µs. The NBM signal is
reset to low at the negative zero crossing.
APPLICATION CIRCUIT
The resistor network is necessary for sensor adapting.
Contact
Robert Bosch GmbH
Automotive Electronics
AE / VKF Sales Components
Postfach 1342
D-72703 Reutlingen
Germany
Phone: +49 (0) 7121 / 35-2179
E-Mail: bosch.semiconductors@de.bosch.com
Datasheet_CY30.doc Rev. 3
DGN
CONF_K
VDD5
NBM
CONF_TH
GND
DGP
AMP
VDDx
µC
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