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OCH1910
Continuous-Time Ratio-metric Linear Hall Effect Sensor
General Description
Features
The OCH1910 is small, versatile linear Hall effect Supply Voltage Range: 4.5V ~ 6.0V
devices which are operated by the magnetic field from a High Reliability BCD Process
permanent magnet or an electromagnet. They are Fast Power-on Time
optimized to accurately provide a voltage output that is Power Consumption of 5mA at 5V Supply
proportional to an applied magnetic field. These devices
Voltage
have a quiescent output voltage that is 50% of the supply Single Current Sinking or Current Sourcing
voltage.
Output
The Hall-effect integrated circuit included in each Linear Output For Circuit Design Flexibility
device includes a Hall sensing element, a linear amplifier, Ratiometric Output for A/D Interface
and a CMOS Class AB output structure. Integrating the Wide Sensible Magnetic Field Range on Different
Hall sensing element and the amplifier on a single chip
Supplied Voltage ±1300Gauss on 5V Supplied
minimizes many of the problems normally associated with
Voltage
low voltage level analog signals.
Rail to Rail Operation Provides More Useable
High precision in output levels is obtained by internal
Signal For Higher Accuracy
gain and offset trim adjustments made at end-of-line Temperature Stable Quiescent Output Voltage
during the manufacturing process.
Quad Hall Sensing Element For Stable Output
The integrated circuitry provides increased Low Noise Output
temperature stability and sensitivity, for both linear target Responds to Either Positive or Negative Gauss
motion and rotational motion. These linear position Robust EMC Protection
sensors have an operating temperature range of -40°C to Temperature Range of -40°C to +125°C
+125°C, appropriate for industrial environments. They RoHS Compliant and Halogen free
respond to either positive or negative gauss, monitoring Miniature Package SIP-3L
either or both magnetic poles. The quad Hall sensing
element minimizes the effects of mechanical or thermal Applications
stress on the output. The positive temperature coefficient Current Sensing
of the sensitivity helps compensate for the negative Motor Control
temperature coefficients of low cost magnets, providing a Linear Position Sensing
robust design over a wide temperature range.
Magnetic Code Reading
The OCH1910 is available in SIP package, and is Rotary Position Sensing
rated over the -40°C to +125°C. These packages are Ferrous Metal Detector
available in a lead (Pb) free version.
Vibration Sensing
Liquid Level Sensing
Weight Sensing
Pin Configuration
SIP-3L (Top View)
Pin
Name
VDD
GND
OUTPUT
Pin No.
SIP-3L
1
2
3
Figure 1, Pin Assignments of OCH1910
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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Typical Application Circuit
OCH1910
Figure 2, Typical Application of OCH1910
Note: C is for power stabilization and to strengthen the noise immunity, the recommended capacitance is
10nF~100nF.
Ordering Information
Part Number
OCH1910ME
Sensitivity (Typ.) Package Type
1.35mV/Gauss
SIP-3L
Package Qty
Bulk
1000pcs/bag
Temperature
-40+125
Eco Plan Lead
Rohs
Cu
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Ver. 1.1 Feb .27, 2018
源于灿瑞 磁传天下