OCH1903 Datasheet: Continuous-Time Ratio-metric Linear Hall Effect Sensor





OCH1903 Continuous-Time Ratio-metric Linear Hall Effect Sensor Datasheet

Part Number OCH1903
Description Continuous-Time Ratio-metric Linear Hall Effect Sensor
Manufacture Orient Chip
Total Page 2 Pages
PDF Download Download OCH1903 Datasheet PDF

Features: WWW.ORIENT-CHIP.COM OCH1903 Continuous -Time Ratio-metric Linear Hall Effect S ensor ◼ General Description ◼ Fea tures The OCH1903 is small, versatile linear Hall effect ⚫ Supply Voltage R ange: 2.5V ~ 6.0V devices which are op erated by the magnetic field from a ⚫ Fast Power-on Time permanent magnet o r an electromagnet. They are ⚫ Power Consumption of 5mA at 5V Supply optimi zed to accurately provide a voltage out put that is Voltage proportional to a n applied magnetic field. These devices ⚫ Single Current Sinking or Current Sourcing have a quiescent output volta ge that is 50% of the supply Output v oltage. ⚫ Linear Output For Circuit Design Flexibility The Hall-effect int egrated circuit included in each ⚫ Ra tio-metric Output for A/D Interface de vice includes a Hall sensing element, a linear amplifier, ⚫ Wide Sensible Ma gnetic Field Range on Different and a CMOS Class AB output structure. Integra ting the Supplied Voltage ±1100Gauss on 5V Supplied Hall sen.

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OCH1903
Continuous-Time Ratio-metric Linear Hall
Effect Sensor
General Description
Features
The OCH1903 is small, versatile linear Hall effect Supply Voltage Range: 2.5V ~ 6.0V
devices which are operated by the magnetic field from a Fast Power-on Time
permanent magnet or an electromagnet. They are Power Consumption of 5mA at 5V Supply
optimized to accurately provide a voltage output that is
Voltage
proportional to an applied magnetic field. These devices Single Current Sinking or Current Sourcing
have a quiescent output voltage that is 50% of the supply
Output
voltage.
Linear Output For Circuit Design Flexibility
The Hall-effect integrated circuit included in each Ratio-metric Output for A/D Interface
device includes a Hall sensing element, a linear amplifier, Wide Sensible Magnetic Field Range on Different
and a CMOS Class AB output structure. Integrating the
Supplied Voltage ±1100Gauss on 5V Supplied
Hall sensing element and the amplifier on a single chip
Voltage
minimizes many of the problems normally associated with Rail to Rail Operation Provides More Useable
low voltage level analog signals.
Signal For Higher Accuracy
High precision in output levels is obtained by internal Temperature Stable Quiescent Output Voltage
gain and offset trim adjustments made at end-of-line Quad Hall Sensing Element For Stable Output
during the manufacturing process.
Low Noise Output
The integrated circuitry provides increased Responds to Either Positive or Negative Gauss
temperature stability and sensitivity, for both linear target Robust EMC Protection
motion and rotational motion. These linear position Temperature Range of -40°C to +125°C
sensors have an operating temperature range of -40°C to Package SIP-3L
+125°C, appropriate for industrial environments. They
respond to either positive or negative gauss, monitoring Applications
either or both magnetic poles. The quad Hall sensing Current Sensing
element minimizes the effects of mechanical or thermal Motor Control
stress on the output. The positive temperature coefficient Linear Position Sensing
of the sensitivity helps compensate for the negative Magnetic Code Reading
temperature coefficients of low cost magnets, providing a Rotary Position Sensing
robust design over a wide temperature range.
Ferrous Metal Detector
The OCH1903 is available in SIP-3L package, and is Vibration Sensing
rated over the -40°C to +125°C. These packages are Liquid Level Sensing
available in a lead (Pb) free version.
Weight Sensing
Pin Configuration
SIP-3L (Top View)
Pin Name
VDD
GND
OUTPUT
Figure 1, Pin Assignments of OCH1903
Pin No.
SIP-3L
1
2
3
I/O Pin Function
P Power Supply Pin.
P Ground Pin.
O Linear Voltage Output Pin.
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Ver. 1.1 Feb .27, 2018
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