CY30

Features:

•  differential input
•  single channel
•  two basic thresholds
•  amplitude-dependent  part  k-tracking  with  two  possible adjustable factors
•  switching at negative zero crossing
•  Glitch filtered open drain output
•  Package :  SOIC8


Pinout




Specifications

Parameter	Min	Max	Uint
Supply voltage	4.5	5.5	V
Voltage resistance, all pins	-0.3	6	V
Current DGN, DGP	-20	20	mA
Operating ambiente temperature	-40	125	°C
Thermal resistance		160	K/W
ESD HBM, MIL883D 3015 100pF / 1.5kΩ	-2	+2	kV

Description

The integrated circuit CY30 contains an evaluation circuit for potential-free input signals of an inductive sensor. The circuit evaluates the negative zero crossing of the sensor signal.
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.