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OCH145
Unipolar Hall Effect Digital Switches For High Temperature
General Description
OCH145 is a switched Hall-Effect IC, which is for contactless switching applications. The device includes an
on-chip Hall voltage generator for magnetic sensing, an amplifier that amplifies the Hall voltage, a Schmitt trigger to
provide switching hysteresis for noise rejection, and an open-collector output. The bandgap regulator allows a wide
operating voltage range. OCH145 is rated for operating temperature range from -40°C to 150°C and voltage range
from 3.8V to 18V. OCH145 are capable of continuous 25mA sinking out and maybe cycled as high as 50mA
maximum.
Features
Unipolar Hall Effect Switch Sensor
Wide operating voltage range: 3.8V~18V
Open Collector Pre-Driver
Maximum output sink current: 50mA
Chip Power Reverse-Connection Protection
Operating Temperature: -40~+150
Small Size Package: SIP-3LSSIP-3L
Applications
Non-Contact Switch
Automotive Ignition
Braker ICs
Position Control
Revolution Detection
Safe Alarm Device
Textile Control System
Pin Configuration
(Top View)
3 Output
2 Gnd
1 Vcc
Name No. Status
Vcc 1
P
Gnd 2
P
Output 3
O
Description
Input Power Supply
Ground
Output Stage of Open Collector
Page 1 - 2
Ver. 1.5 Feb .27, 2018
源于灿瑞 磁传天下

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OCH145
Unipolar Hall Effect Digital Switches For High Temperature
Ordering Information
OCH145AXXX
Part Number
OCH145AMF
OCH145ASMAF
Package:
M: SIP-3L
SM:SSIP-3L
Packing:
Blank: Tube or Bluk
A: Tape & Reel
Package Type
SIP-3L
SSIP-3L
Package Qty
Bulk
1000pcs/bag
13-in reel
4000pcs/reel
Brp
(Gauss)
20 ~ 180
20 ~ 180
Temperature Grade:
F: -40~150
Bop
(Gauss)
Temperature
50 ~ 200 -40150
50 ~ 200 -40150
Eco Plan
RoHS
RoHS
Lead
Cu
Cu
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Page 2 - 2
Ver. 1.5 Feb .27, 2018
源于灿瑞 磁传天下