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| 型號： | CY30 |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | Sensor interface for an inductive engine wheel speed single rotation sensor |
| 中文描述： | 傳感器接口歸納為單發(fā)動機(jī)旋轉(zhuǎn)輪速傳感器 |
| 文件頁數(shù)： | 2/2頁 |
| 文件大小： | 128K |
| 代理商： | CY30 |
2
1/2004 All rights reserved by Robert Bosch GmbH including the right to file industrial property rights
Robert Bosch GmbH retains the sole powers of distribution, such as reproduction, copying and distribution.
page 2
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
μ
s. 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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