DN6851
Hall IC
(Operating Supply Voltage Range V
CC
=3.6 to 16V, Operating in Alternative
Magnetic Field)
s
Overview
The DN6851 is an integrated circuit making use of Hall
effects. It is designed particularly for operating at a low supply
voltage in alternative magnetic field. It is suitable for various
sensors and contactless switches.
2.0±0.3
4.5±0.3
4.0±0.3
1.0
0.7
Unit : mm
5˚
s
Features
•
Wide range of supply ; 3.6 to 16V
•
Operating in alternative magnetic field.
•
TTL and MOS ICs directly drivable by output
•
Semipermanent service life because of no contact parts
•
Drivable with a small magnet
•
3-pin SIL plastic package (3-SIP)
10.5±0.5
0.8±0.1
0.5±0.1
1.27
5˚
1 2 3
5˚
0.43
– 0.05
+ 0.1
s
Applications
•
Speed sensors
•
Position sensors
•
Rotation sensors
•
Keyboard switches
•
Microswitches
Note) This IC is not suitable for car electrical equipments.
2˚
2˚
SSIP003-P-0000A (E-3S)
1 : V
CC
2 : GND
3 : Output
s
Block Diagram
Stabilized power supply
1
V
CC
27kΩ
3
Output
2
Hall element
Amp.
Schmitt trigger
Output stage
GND
s
Absolute Maximum Ratings (Ta=25˚C)
Parameter
Supply voltage
Supply current
Circuit current
Power dissipation
Operating ambient temperature
Storage temperature
Symbol
V
CC
I
CC
I
O
P
D
T
opr
T
stg
Rating
18
8
20
100
–40 to +85
–55 to +125
Unit
V
mA
mA
mW
˚C
˚C
s
Electrical Characteristics (Ta=25˚C)
Parameter
Operating flux density
Symbol
B
1 (L to H)
B
2 (H to L)
Low output voltage
V
OL
V
CC
=12V
V
CC
=12V
V
CC
=16V, I
O
=12mA,
B=30mT
V
CC
=3.6V, I
O
=12mA,
B=30mT
V
CC
=16V, I
O
=–30µA,
B=–30mT
V
CC
=3.6V, I
O
=–30µA,
B=–30mT
V
CC
=16V, V
O
=0V,
B=–30mT
V
CC
=16V
V
CC
=3.6V
Condition
min
–30
30
0.4
0.4
14.6
2.2
0.4
0.9
6
5.5
typ
max
Unit
mT
mT
V
V
V
V
mA
mA
mA
High output voltage
V
OH
Output short-circuit current
Supply current
–I
OS
I
CC
Note 1) Operating supply voltage range V
CC
(opr)= 3.6 to 16V
Note 2) For the operating flux density,
±20
gauss is also available as Rank A.
s
Hall Element Position
1.75
1.3
1.0
Unit : mm
The center of the Hall element is in the hatched area in the left figure.
s
Flux-Voltage Conversion Characteristics
S
Marking surface
Output voltage (V
O
)
1
2
1.0
3
N
Applied flux direction
1 : V
CC
2 : GND
3 : Output
B
1
B
2
Flux density (B)
s
Precaution on Use
1. Change of the operation magnetic flux density dose not depend on the supply voltage,
because the stabilization power supply is built-in.
(only for the range; V
CC
= 4.5 to 16V)
2. Change from “H” to “L” level increases the supply current by approx. 1mA.
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