Publication date: October 2006 SPC00017AEB
1
AN48830B
Low current consumption, high sensitivity CMOS Hall IC
Operate by the value of magnetic fl ux density,
regardless of polarity
■
Overview
The AN48830B is a Hall IC (a magnetic sensor) which has 2 times
or more sensitivity and a low current consumption of about one three-
hundredth compared with our conventional one.
In this Hall IC, a Hall element, a offset cancel circuit, an amplifi er
circuit, a sample and hold circuit, a Schmidt circuit, and output stage
FET are integrated on a single chip housed in a small package by IC
technique.
■
Features
Either North nor South magnetic pole can be selected *
High sensitivity (6 mT max.) due to offset cancel circuit and a new
sample and hold circuit
Small current by using intermittent action
(Average supply current: 3.5
µ
A typ.)
Small package (SMD)
CMOS inverter output (output form logic)
■
Applications
Flip type cellular phone, digital video camera
■
Block Diagram
CLK
4
2
GND
5
Ou
t
V
CC
3
1
N.C.
N.C.
On/Of
f control
On/Off controlOn/Of
Sample
and
hold
Hall
element
Amplif
ier
AmplifierAmplif
Switch
■
Pin Descriptions
Pin No.
Symbol
Description
Pin No.
Symbol
Description
1
N.C.
4
V
CC
Power supply
2
GND
Ground
5
Out
Output
3
N.C.
Unit : mm
SMINI-5DA (Lead-free package)
4
3
5
1 2
3
4
2
1
5
0.225
0.225
2.10
±
0.10
1.65
±
0.10
1.30
±
0.10
Seating plane
0.80
±
0.10
0 to 0.10
0.32
±
0.10
2.00
±
0.10
0.22
+
0.10
−
0.05
0.11
+
0.10
−
0.05
0.65
0.65
M
0.13
0.10
S
N
H
L
H
L
Magnetic
flux density
N
ote) *:
AN48830B
output
Conventional model
output
Maintenance/
Discontinued
Maintenance/Discontinued includes following four Product lifecycle stage.
planed maintenance type
maintenance type
planed discontinued typed
discontinued type
Please visit following URL about latest information.
http://www.semicon.panasonic.co.jp/en/
AN48830B
2
SPC00017AEB
■
Absolute Maximum Ratings
Parameter
Symbol
Rating
Unit
Supply voltage
V
CC
5
V
Output voltage
V
OUT
5
V
Supply current
I
CC
5
mA
Output current
I
OUT
15
mA
Power dissipation
*1, *2
P
D
60
mW
Operating ambient temperature
*1
T
opr
Topr
T
−
25 to +75
°
C
Storage temperature
*1
T
stg
Tstg
T
−
55 to +125
°
C
Note)
*
1: Except for the power dissipation, operating ambient temperature and storage temperature, all ratings are for T
a
1: Except for the power dissipation, operating ambient temperature and storage temperature, all ratings are for Ta
1: Except for the power dissipation, operating ambient temperature and storage temperature, all ratings are for T
= 25
a = 25
a
°
C.
*
2: T
a
2: Ta
2: T
= 75
a = 75
a
°
C. For the independent IC without a heat sink. Please use within the range of power dissipation, refering to P
D
T
a
Ta
T
curve.
a curve.
a
■
Recommended Operating Range
Parameter
Symbol
Range
Unit
Supply voltage
V
CC
2.5 to 3.5
V
■
Electrical Characteristics
T
a
Ta
T
= 25°C
±
2°C
Parameter
Symbol
Conditions
Min
Typ
Max
Unit
Operating magnetic fl ux density 1
B
H-LS
V
CC
= 3 V
6
mT
Operating magnetic fl ux density 2
*1
B
H-LN
V
CC
= 3 V
−
6
mT
Operating magnetic fl ux density 3
*2
B
L-HS
V
CC
= 3 V
0.5
mT
Operating magnetic fl ux density 4
*2
B
L-HN
V
CC
= 3 V
−
0.5
− 0.5−
mT
Output voltage 1
V
OLS
V
CC
= 3 V, I
O
= 2 mA, B = 6.0 mT
0.1
0.3
V
Output voltage 2
V
OLN
V
CC
= 3 V, I
O
= 2 mA, B =
−
6.0 mT
0.1
0.3
V
Output voltage 3
V
OHS
V
CC
= 3 V, I
O
=
−
2 mA, B = 0.5 mT
2.7
2.9
V
Output voltage 4
V
OHN
V
CC
= 3 V, I
O
=
−
2 mA, B =
−
0.5 mT
− 0.5 mT−
2.7
2.9
V
Supply current 1
*3
I
CC
AVE
V
CC
= 3 V
3.5
7.0
µ
A
Note)
*
1: Symbol B
H-LS
, B
H-LN
stands for the operating magnetic fl ux density where its output level varies from high to low.
H-LN stands for the operating magnetic fl ux density where its output level varies from high to low.
H-LN
*2: Symbol B
L-HS
, B
L-HN
stands for the operating magnetic fl ux density where its output level varies from low to high.
L-HN stands for the operating magnetic fl ux density where its output level varies from low to high.
L-HN
*3: I
CC
AVE
= {I
AVE = {I
AVE
CC
ON
×
t
ON
tON
t
+ I
ON + I
ON
CC
OFF
×
t
OFF
tOFF
t
}/{t
ON
}/{tON
}/{t
+ t
ON + t
ON
OFF
+ tOFF
+ t
}
Design reference data
Parameter
Symbol
Conditions
Min
Typ
Max
Unit
Hysteresis width 1
BWS
V
CC
= 3 V
1.2
mT
Hysteresis width 2
BWN
V
CC
= 3 V
1.2
mT
Supply current 2
I
CC
ON
V
CC
= 3 V
1.4
mA
Supply current 3
I
CC
OFF
V
CC
= 3 V
2
µ
A
Operating time
t
ON
tON
t
V
CC
= 3 V
20
µ
s
Stop time
t
OFF
tOFF
t
V
CC
= 3 V
20.5
ms
Note) It will operate normally in approximately 41 ms after power on.
Maintenance/
Discontinued
Maintenance/Discontinued includes following four Product lifecycle stage.
planed maintenance type
maintenance type
planed discontinued typed
discontinued type
Please visit following URL about latest information.
http://www.semicon.panasonic.co.jp/en/
AN48830B
AN48830B
SPC00017AEB
3
■
Technical Data
Position of a Hall element (unit in mm)
Distance from a package surface to sensor part: 0.39 mm (reference value)
A Hall element is placed on the shaded part in the fi gure.
0.31
1.0
1.0
Magneto-electro conversion characteristics
BWS
BWN
B
H-LS
B
H-LN
B
L-HS
B
L-HN
S
N
Direction of applied magnetic f
ield
Direction of applied magnetic fieldDirection of applied magnetic f
Operating magnetic flux density
Output v
oltage
Applied magnetic flux density
B
Power dissipation of package MINI-5DA
P
D
T
T
a
Ta
T
200
0 2
5
150
50
75
100
125
0
25
50
75
100
125
150
175
Ambient temperature
T
a
(
°
C)
Po
wer dissipation
P
D
(mW)
Independent IC
Independent IC
without a heat sink
without a heat sink
R
th(j-a)
th(j-a)
Rth(j-a)
R
=
833.3
°
C/W
C/W
P
P
D
=
=
120 mW (25
120 mW (25
120 mW (25
120 mW (25
°
°
C)
C)
Maintenance/
Discontinued
Maintenance/Discontinued includes following four Product lifecycle stage.
planed maintenance type
maintenance type
planed discontinued typed
discontinued type
Please visit following URL about latest information.
http://www.semicon.panasonic.co.jp/en/
AN48830B
4
SPC00017AEB
■
Technical Data (continued)
Main characterisitcs
Operating magnetic fl ux density
Supply voltage
Supply voltage
Operating magnetic fl ux density
Ambient temperature
−
6.0
−
4.0
2.0
0
−
2.0
4.0
6.0
1 3
2 5
1 32 51 3
42 54
6
Supply v
oltage
V
CC
(V)
Operating magnetic flux density B (mT)
T
a
=
25
°
C
Sample 1
B
H-LS
Sample 2
Sample 2
B
H-LS
Sample 1
B
B
L-H
S
Sample 2
Sample 2
B
L-H
S
Sample 1
B
B
H-LN
Sample 2 Sample 2
B
B
H-LN
H-LN
Sample 1
B
B
L-H
N
Sample 2 Sample 2
B
B
L-H
L-H
N
N
−
6.0
−
4.0
2.0
0
−
2.0
4.0
8.0
6.0
−
50
0 2
5 5
0 7
5
−
25
100
12
5
Ambient temperature
T
a
(
°
C)
Operating magnetic flux density B (mT)
V
CC
=
3
V
Sample 1 Sample 1
B
B
H-LS
H-LS
Sample 2 Sample 2
B
B
H-LSH-LS
Sample 1
Sample 1
B
L-H
S
Sample 2
Sample 2
B
L-H
S
Sample 1
Sample 1
B
H-LN
Sample 2
Sample 2
B
H-LN
Sample 1
Sample 1
B
L-H
N
Sample 2
Sample 2
B
L-H
N
Hysteresis width
Supply voltage Supply current
Supply voltage Supply current
Supply voltage
Supply voltage
1.40
1.20
1.00
0.80
1.60
2.00
1.80
1 3
2 5
1 32 51 3
42 54
6
Hesteresis width BW (mT)
Supply v
oltage
V
CC
(V)
T
a
=
25
°
C
Sample 1 BW
Sample 1 BW
S
Sample 2 BW
Sample 2 BW
S
Sample 1 BW
Sample 1 BW
N
Sample 2 BWSample 2 BW
N
N
0
2
4
6
8
10
2 4
1 3
2 41 32 4
5
6
Supply v
oltage
V
CC
(V)
Supply current
I
CC
(
µ
A)
Output
=
High
−
50
°
C
125
°
C
25
°
C
Low-level output voltage
Supply voltage
Supply voltage
∆
high-level output voltage
Supply voltage
0.00
0.02
0.01
0.025
0.015
0.005
0.03
0.035
2 4
1 3
2 41 32 4
5 6
Supply v
oltage
V
CC
(V)
Lo
w-le
v
el output v
oltage
V
OL
(V)
I
O
=
2 mA
125
°
C
25
°
C
−
50
°
C
20
40
50
30
60
70
2 4
1 3
2 41 32 4
5
6
∆
hgh-le
v
el output v
oltage
∆
V
OH
(V)
Supply v
oltage
V
CC
(V)
125
°
C
25
°
C
−
50
°
C
I
O
=
−
2 mA
Maintenance/
Discontinued
Maintenance/Discontinued includes following four Product lifecycle stage.
planed maintenance type
maintenance type
planed discontinued typed
discontinued type
Please visit following URL about latest information.
http://www.semicon.panasonic.co.jp/en/
Request for your special attention and precautions in using the technical information and
semiconductors described in this book
(1)If any of the products or technical information described in this book is to be exported or provided to non-residents, the laws and
regulations of the exporting country, especially, those with regard to security export control, must be observed.
(2)The technical information described in this book is intended only to show the main characteristics and application circuit examples
of the products, and no license is granted under any intellectual property right or other right owned by our company or any other
company. Therefore, no responsibility is assumed by our company as to the infringement upon any such right owned by any other
company which may arise as a result of the use of technical information described in this book.
(3)The products described in this book are intended to be used for standard applications or general electronic equipment (such as office
equipment, communications equipment, measuring instruments and household appliances).
Consult our sales staff in advance for information on the following applications:
– Special applications (such as for airplanes, aerospace, automobiles, traffic control equipment, combustion equipment, life support
systems and safety devices) in which exceptional quality and reliability are required, or if the failure or malfunction of the prod-
ucts may directly jeopardize life or harm the human body.
– Any applications other than the standard applications intended.
(4)The products and product specifications described in this book are subject to change without notice for modification and/or im-
provement. At the final stage of your design, purchasing, or use of the products, therefore, ask for the most up-to-date Product
Standards in advance to make sure that the latest specifications satisfy your requirements.
(5)When designing your equipment, comply with the range of absolute maximum rating and the guaranteed operating conditions
(operating power supply voltage and operating environment etc.). Especially, please be careful not to exceed the range of absolute
maximum rating on the transient state, such as power-on, power-off and mode-switching. Otherwise, we will not be liable for any
defect which may arise later in your equipment.
Even when the products are used within the guaranteed values, take into the consideration of incidence of break down and failure
mode, possible to occur to semiconductor products. Measures on the systems such as redundant design, arresting the spread of fire
or preventing glitch are recommended in order to prevent physical injury, fire, social damages, for example, by using the products.
(6)Comply with the instructions for use in order to prevent breakdown and characteristics change due to external factors (ESD, EOS,
thermal stress and mechanical stress) at the time of handling, mounting or at customer's process. When using products for which
damp-proof packing is required, satisfy the conditions, such as shelf life and the elapsed time since first opening the packages.
(7)This book may be not reprinted or reproduced whether wholly or partially, without the prior written permission of Matsushita
Electric Industrial Co., Ltd.
Maintenance/
Discontinued
Maintenance/Discontinued includes following four Product lifecycle stage.
planed maintenance type
maintenance type
planed discontinued typed
discontinued type
Please visit following URL about latest information.
http://www.semicon.panasonic.co.jp/en/
