OCH1902 Sensor Datasheet

OCH1902 Datasheet, PDF, Equivalent


Part Number

OCH1902

Description

Continuous-Time Ratio-metric Linear Hall Effect Sensor

Manufacture

Orient Chip

Total Page 2 Pages
Datasheet
Download OCH1902 Datasheet


OCH1902
OCH1902
Continuous-Time Ratio-metric Linear Hall Effect Sensor
General Description
Features
The OCH1902 is small, versatile linear Hall effect Supply Voltage Range: 4.5V ~ 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 Ratiometric 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 ±400Gauss 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 RoHS Compliant and Halogen free
+125°C, appropriate for industrial environments. They Miniature Package SOT23-3L and SIP-3L
respond to either positive or negative gauss, monitoring
either or both magnetic poles. The quad Hall sensing Applications
element minimizes the effects of mechanical or thermal Current Sensing
stress on the output. The positive temperature coefficient Motor Control
of the sensitivity helps compensate for the negative Linear Position Sensing
temperature coefficients of low cost magnets, providing a Magnetic Code Reading
robust design over a wide temperature range.
Rotary Position Sensing
The OCH1902 is available in small 3-pin SOT23 and Ferrous Metal Detector
SIP package, and is rated over the -40°C to +125°C. Vibration Sensing
These packages are available in a lead (Pb) free version. Liquid Level Sensing
Weight Sensing
Pin Configuration
SOT-23-3L and SIP-3L (Top View)
Pin
Name
VDD
GND
OUTPUT
Pin No.
SOT23-3L SIP-3L
11
32
23
Figure 1, Pin Assignments of OCH1902
I/O Pin Function
P Power Supply Pin.
P Ground Pin.
O Linear Voltage Output Pin.
Page1 - 2
Ver. 1.1 Feb .27, 2018
源于灿瑞 磁传天下

OCH1902
Typical Application Circuit
OCH1902
Figure 2, Typical Application of OCH1902
Note: C is for power stabilization and to strengthen the noise immunity, the recommended capacitance is
10nF~100nF.
Ordering Information
Part Number
OCH1902WAE
OCH1902ME
Sensitivity (Typ.)
5.0mV/Gauss
5.0mV/Gauss
Package Type
SOT23-3L
SIP-3L
Package Qty
7-in reel
3000pcs/reel
Bulk 1000pcs/bag
Temperature
-40125
-40125
Eco Plan
Green
Green
Lead
Cu
Cu
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Page2 - 2
Ver. 1.1 Feb .27, 2018
源于灿瑞 磁传天下


Features WWW.ORIENT-CHIP.COM OCH1902 Continuous- Time Ratio-metric Linear Hall Effect Se nsor ◼ General Description ◼ Feat ures The OCH1902 is small, versatile l inear Hall effect ⚫ Supply Voltage Ra nge: 4.5V ~ 6.0V devices which are ope rated by the magnetic field from a ⚫ Fast Power-on Time permanent magnet or an electromagnet. They are ⚫ Power C onsumption of 5mA at 5V Supply optimiz ed to accurately provide a voltage outp ut that is Voltage proportional to an applied magnetic field. These devices ⚫ Single Current Sinking or Current S ourcing have a quiescent output voltag e that is 50% of the supply Output vo ltage. ⚫ Linear Output For Circuit D esign Flexibility The Hall-effect inte grated circuit included in each ⚫ Rat iometric Output for A/D Interface devi ce includes a Hall sensing element, a l inear amplifier, ⚫ Wide Sensible Magn etic Field Range on Different and a CM OS Class AB output structure. Integrati ng the Supplied Voltage ±400Gauss on 5V Supplied Hall sensin.
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