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OCH166A
Micro Power Omnipolar Hall-effect Sensor Switch
General Description
The OCH166A omnipolar Hall effect sensor IC is
fabricated from mixed signal CMOS technology. It is
comprised of one Hall plate and a CMOS output driver,
mainly designed for battery-operation, hand-held
equipment (such as Cellular and Cordless Phone,
PAD). The total power consumption in normal
operation is typically 4μW with a 1.8V power source.
South poles of sufficient strength will turn the output
on. The output will be turned off under no magnetic
field. While the magnetic flux density (B) is larger than
operating point (BOP), the output will be turned on
(low), the output is held until B is lower than release
point (BRP), and then turned off.
The OCH166A is available in SOT23-3L,
DFN1616-6L-EP, DFN1216-4L, DFN1616-6L and
SOT553 package. Operating temperature range of
the OCH166A is from -40°C to 85°C.
To minimize the BOM cost, capacitors of the
MLCC type are supported, and only one external
component is needed to complete the application
circuit.
Features
Micro power consumption ideal for battery-powered
applications
Omnipolar (operation with magnetic field of either
north or south pole), easy to use as output
Input Voltage Range: 1.65V to 3.6V
Very High Sensitivity Hall Sensor
Chopper stabilized amplifier stage
Good RF noise immunity
DFN1216-4L, SOT23-3L,DFN1616-6L-EP,
DFN1616-6L & SOT553 package
No need the push-high resistance
Applications
Cover switch in clam-shell cellular phones
Cover switch in Notebook PC/PAD
Contact-less switch in consumer products
Solid State Switch
Handheld Wireless Handset Awake Switch
Lid close sensor for battery-powered devise
Magnet proximity sensor for reed switch replacement
in low duty cycle applications
Pin Configuration
(1)SOT23-3L (Top View)
(2) DFN1616-6L (Top View)
(3) DFN1216-4L (Top View)
(4) DFN1616-6L-EP (Top View)
(4) SOT553 (Top View)
Pin Name
SOT23-3L
VDD
GND
OUTPUT
NC
1
3
2
-
Pin No.
DFN1616-6L
DFN1616-6L-EP
4
2
6
135
DFN1216-4L
OCH166A
OCH166AA
41
22
14
33
Pin Function
Power Supply
Input
Ground
Output Pin
Not connected
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Ver.1.6 Feb .27, 2018
源于灿瑞 磁传天下

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OCH166A
Micro Power Omnipolar Hall-effect Sensor Switch
Ordering Information
Part Number
Package Type
OCH166AWAD
SOT23-3L
OCH166AV4AD
DFN1216-4L
OCH166AAV4AD DFN1216-4L
OCH166AV6AD
DFN1616-6L
OCH166AEV6AD DFN1616-6L-EP
OCH166ASTAD
SOT553
Application Circuit
Packing Qty
7-in reel
3000pcs/reel
7-in reel
3000pcs/reel
7-in reel
3000pcs/reel
7-in reel
3000pcs/reel
7-in reel
3000pcs/reel
7-in reel
3000pcs/reel
BOPS
(Gauss)
±20 ~±60
BRPS
(Gauss)
±10 ~±40
Temperature
-4085
Eco
Plan
Green
Lead
Cu
±20 ~±60 ±10 ~±40 -4085Green Cu
±20 ~±60 ±10 ~±40 -4085Green Cu
±20 ~±60 ±10 ~±40 -4085Green Cu
±20 ~±60 ±10 ~±40 -4085Green Cu
±20 ~±60 ±10 ~±40 -4085Green Cu
1 6 OUTPUT
GND
3
2 OCH166A 5
34
VDD
CIN=0.01~1uF
OCH166A
1
VDD
CIN=0.1uF~1uF
2
OUTPUT
DFN1616-6L/DFN1616-6L-EP
SOT23-3L
OUTPUT 1
4
OCH166A
23
VDD
VDD
CIN=0.01~1uF CIN=0.01~1uF
14
OCH166AA
23
OUTPUT
DFN1216-6L
15
2 OCH166A
34
OUTPUT
VDD
CIN=0.01~1uF
DFN1216-6L
SOT553
Figure 1, application circuit
Note: CIN is for power stabilization and to strengthen the noise immunity, the recommended capacitance is 0.01~1uF.
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Ver.1.6 Feb .27, 2018
源于灿瑞 磁传天下