s Overview
The DN8897/SE/TE/S is a combination of a Hall element,
amplifier, Schmidt circuit, and stabilized power supply/temper-
ature compensator integrated on an identical chip by using the
IC technology. It amplifies Hall element output at the amplifi-
er, converts into a digital signal through the Schmidt circuit,
and drives the TTL or MOS IC directly.
s Features
High sensitivity and low drift
Stable temperature characterstics due to the additional tem-
perture compensator
Wide operating supply voltage range (V
CC
=4.5 to 16V)
Operatig in alternative magnetic field
TTL and MOS ICs directly drivable by output
Provided with the output pull-up resistors (typ 27k
)
"0" gauss point in the zero cross type hysteresis width
s Applications
Speed sensors
Position sensors
Rotation sensors
Keyboard switches
Microswitches
Note) This IC is not suitable for car electrical equipment.
DN8897/SE/TE/S
Hall IC
(
Operating Temperature Range
Topr
=
40 to + 100C,
Operating in Alternative Magnetic Field
)
1
Hall element
DN8897/SE/TE
Amp.
Schmitt trigger
Output stage
3
2
V
CC
Output
GND
Stabilized power supply
temperature correction circuit
27k
s Block Diagram
1
Hall element
DN8897S
Amp.
Schmitt trigger
Output stage
3
4
V
CC
Output
GND
2
NC
or
GND
Stabilized power supply
temperature correction circuit
27k
Unit : mm
DN8897
SSIP003-P-0000A (E-3S)
1 : V
CC
2 : GND
3 : Output
0.5
0.1
5
1 2 3
2
5
5
2
1.27
4.0
0.3
0.7
4.5
0.3
0.43
+ 0.1
0.05
2.0
0.3
0.8
0.1
1.0
10.5
0.5
Unit : mm
DN8897SE
4.52
0.3
0.55
0.15
0.4
0.1
1.54
0.1
1.27
R0.25
2 to 5
2
1 2 3
(0.4)
12.5
06.5
(0.72)
4.52
0.3
(1.0)
(1.0)
2
45
SSIP003-P-0000C (SE-3S)
1 : V
CC
2 : GND
3 : Output
Unit : mm
DN8897TE
4.0
0.3
0.6
0.15
0.5
0.1
1.2
0.1
(0.2)
1.27
1 2 3
3.3
0.3
(0.6)
(0.7)
(1.0)
(1.0)
SSIP003-P-0000B (TE-3S)
1 : V
CC
2 : GND
3 : Output
10.0
0.6
1.6
3.0
0.3
0.6
0.2
ESOP004-P-0200 (SOH-4D)
1
2
4
3
Unit : mm
5.4
0.4
3.0
0.3
1.5
0.3
0.4
0.2
0 to 0.1
0.15
0.95
0.2
0.3 to 0.5
1 : V
CC
2 : NC or GND
3 : Output
4 : GND
DN8897S
V
CC
I
CC
I
O
P
D
T
opr
T
stg
Supply voltage
Supply current
Circuit current
Power dissipation
Operating ambient temperature
Storage temperature
V
mA
mA
mW
C
C
s Absolute Maximum Ratings (Ta=25C)
18
8
20
150
40 to +100
55 to +125
Parameter
Symbol
Rating
Unit
s Electrical Characteristics (Ta=25C)
Operating flux density
12
B
1 (L
H)
mT
6
V
CC
=12V
B
2 (H
L)
12
mT
6
V
CC
=12V
Hysteresis width
7
BW
mT
10
V
CC
=12V
Output voltage
V
OL
0.4
V
V
CC
=16V, V
O
=0V,
B=12mT
14.7
V
OH
V
2.9
V
Output short-circuit current
0.4
I
OS
0.9
mA
Supply current
1
mA
V
CC
=16V
1
I
CC
5.5
mA
V
CC
=4.5V
6
0.1
0.1
V
CC
=4.5V, I
O
=30
A,
B=12mT
V
CC
=16V, I
O
=30
A,
B=12mT
V
CC
=4.5 to16V, I
O
=12mA,
B=12mT
Parameter
Symbol
Condition
min
typ
max
Unit
1.5
1
.
5
1
.
0
1
.
3
1.0 1.75
1.
0
1.0
Unit : mm
The center of the Hall
element is in the hatched
area in the right figure.
DN8897
1
.
0
1
.
2
5
1.0 1.63
DN8897SE
1
.
0
1
.
1
5
1.0 1.5
DN8897TE
DN8897S
Distance from package
surface to sensor (mm)
DN8897
0.7
DN8897SE
0.42
DN8897TE
0.4
DN8897S
0.65
s Hall Element Position
Marking surface
Applied flux direction
Flux density (B)
O
u
t
p
u
t
v
o
l
t
a
g
e
(
V
O
)
B
1
B
2
s Flux-Voltage Conversion Characteristics
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.
Ambient Temperature (C)
S
u
p
p
l
y
C
u
r
r
e
n
t
(
m
A
)
Supply Voltage Ambient Temperature
8
7
6
5
4
3
2
1
0
50 25
0
25
50
75 100 125
V
CC
=4.5V
V
CC
=16V
Ambient Temperature (C)
O
p
e
r
a
t
i
n
g
F
l
u
x
D
e
n
s
i
t
y
(
m
T
)
Operating Flux Density Ambient Temperature
20
10
0
10
20
50 25
0
25
50
V
CC
=12V
75 100 125
Sample 2, B
H to L
Sample 3, B
H to L
Sample 1,
B
H to L
Sample 3, B
L to H
Sample 1,
B
L to H
Ambient Temperature (C)
O
u
t
p
u
t
"
L
"
L
e
v
e
l
V
o
l
t
a
g
e
(
m
V
)
Output Low Level Voltage Ambient Temperature
100
90
80
70
60
50
40
30
20
10
0
50 25
0
25
50
V
CC
= 12V
I
O
= 12mA
75 100 125
Supply Voltage (V)
O
p
e
r
a
t
i
n
g
F
l
u
x
D
e
n
s
i
t
y
(
m
T
)
Operating Flux Density Supply Voltage
20
10
0
10
20
0
2
4
6
8
10 12 14 16 18 20
Ta = 25C
B
H to L
B
L to H
Sample 2, B
L to H
s Characteristics Curve
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