OCH1901 Sensor Datasheet

OCH1901 Datasheet, PDF, Equivalent


Part Number

OCH1901

Description

Continuous-Time Ratio-metric Linear Hall Effect Sensor

Manufacture

Orient Chip

Total Page 2 Pages
Datasheet
Download OCH1901 Datasheet


OCH1901
OCH1901
Continuous-Time Ratio-metric Linear Hall Effect Sensor
General Description
Features
The OCH1901 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 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 ±800Gauss 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 Miniature Package SOT23-3L and 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 OCH1901 is available in small 3-pin SOT23 and Vibration Sensing
SIP package, and is rated over the -40°C to +125°C. Liquid Level Sensing
These packages are available in a lead (Pb) free version. 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 OCH1901
I/O Pin Function
P Power Supply Pin.
P Ground Pin.
O Linear Voltage Output Pin.
Page1 - 2
Ver. 1.2 Feb .27, 2018
源于灿瑞 磁传天下

OCH1901
Typical Application Circuit
OCH1901
Figure 2, Typical Application of OCH1901
Note: C is for power stabilization and to strengthen the noise immunity, the recommended capacitance is
10nF~100nF.
Ordering Information
Part Number
OCH1901WAE
OCH1901ME
Sensitivity (Typ.)
2.5mV/Gauss
2.5mV/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. 1.2 Feb .27, 2018
源于灿瑞 磁传天下


Features WWW.ORIENT-CHIP.COM OCH1901 Continuous -Time Ratio-metric Linear Hall Effect S ensor ◼ General Description ◼ Fea tures The OCH1901 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 tiometric Output for A/D Interface dev ice includes a Hall sensing element, a linear amplifier, ⚫ Wide Sensible Mag netic Field Range on Different and a C MOS Class AB output structure. Integrat ing the Supplied Voltage ±800Gauss on 5V Supplied Hall sensi.
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