ATS137
SINGLE HALL EFFECT SWITCH
General Description
Features
•
•
•
•
•
•
•
•
•
3.5V to 20V DC Operation Voltage
Temperature Compensation
Wide Operating Voltage Range
Open-Collector Pre-Driver
25mA Maximum Sinking Output Current
Reverse Polarity Protection
Lead Free Package: SIP-3L and SC59-3L (Commonly
known as SOT23 in Asia)
SIP-3L and SC59-3L: Available in “Green” Molding
Compound (No Br, Sb)
Lead Free Finish / RoHS Compliant (Note 1)
ATS137 is a switched Hall-Effect IC, which is for contactless
switching applications. The device includes an on-chip Hall
voltage generator for magnetic sensing, an amplifier that
amplifies the Hall voltage, a Schmitt trigger to provide switching
hysteresis for noise rejection, and an open-collector output. The
bandgap regulator allows a wide operating voltage range.
ATS137 is rated for operating temperature range from -20°C to
85°C and voltage range from 3.5V to 20V.
Applications
•
•
•
•
•
VCD/DVD Loader, CD/DVD ROM
Cover Detector
Speed Measurement
Home Appliances
Home Safety
Typical Application Circuit
3.5V ~20V
RL
Vcc
ATS137
DO
Digital Output
GND
ATS137 Rev. 10
DS31045
1 of 12
www.diodes.com
FEBRUARY 2010
© Diodes Incorporated
ATS137
SINGLE HALL EFFECT SWITCH
Ordering Information
ATS 137 - X X - X - X
Package
Lead Free
P : SIP-3L
W : SC59-3L
L : Lead Free
G : Green
Bulk
Package Packaging
Code
(Note 2) Quantity
Magnetic
Characteristics
Packing
A : Ammo Box (Note 3)
B : Bulk (Note 4)
7 : Tape & Reel
7” Tape and Reel
A or B (Note 5)
Ammo Box
Magnetic
Part
Number Characteristics
(Note 5)
Suffix
-A
A
ATS137-PL-A-A
P
SIP-3L
NA
Part
Number
Suffix
NA
NA
Part
Number
Suffix
NA
ATS137-PL-A-B
P
SIP-3L
NA
NA
NA
NA
4000/Box
-A
B
ATS137-PL-B-A
P
SIP-3L
1000
-B
NA
NA
NA
NA
A
ATS137-PL-B-B
P
SIP-3L
1000
-B
NA
NA
NA
NA
B
ATS137-PG-A-A
P
SIP-3L
NA
NA
NA
NA
4000/Box
-A
A
ATS137-PG-A-B
P
SIP-3L
NA
NA
NA
NA
4000/Box
-A
B
ATS137-PG-B-A
P
SIP-3L
1000
-B
NA
NA
NA
NA
A
ATS137-PG-B-B
P
SIP-3L
1000
-B
NA
NA
NA
NA
B
ATS137-WL-7-A
W
SC59-3L
NA
NA
3000/Tape & Reel
-7
NA
NA
A
ATS137-WG-7-A
W
SC59-3L
NA
NA
3000/Tape & Reel
-7
NA
NA
A
Device
Notes:
Quantity
Quantity
4000/Box
1. EU Directive 2002/95/EC (RoHS). All applicable RoHS exemptions applied. Please visit our website at
http://www.diodes.com/products/lead_free.html
2. Pad layout as shown on Diodes Inc. suggested pad layout document AP02001, which can be found on our website at
http://www.diodes.com/datasheets/ap02001.pdf.
3. Ammo Box is for SIP-3L Spread Lead.
4. Bulk is for SIP-3L Straight Lead.
5. Please refer the Magnetic Characteristics table, B is available in SIP-3L package only.
Pin Assignment
(1) SIP-3L
(2) SC59-3L
( Top View )
( Top View )
3. DO
2. GND
1. Vcc
ATS137 Rev. 10
DS31045
2 of 12
www.diodes.com
3. DO
GND 2.
1. Vcc
FEBRUARY 2010
© Diodes Incorporated
ATS137
SINGLE HALL EFFECT SWITCH
Pin Descriptions
Pin Name
Vcc
GND
DO
Pin #
1
2
3
Description
Positive Power Supply
Ground
Digital Output
Functional Block Diagrams
VCC
1
Regulator
Hall
Plate
3 DO
Amp
2
Absolute Maximum Ratings
Symbol
VCC
VRCC
B
Vce
IC
TST
TJ(MAX)
PD
ATS137 Rev. 10
DS31045
GND
(TA = 25oC)
Characteristics
Supply Voltage
Reverse VCC Polarity Voltage
Magnetic Flux Density
Output “OFF” Voltage
Output “ON” Current
Storage Temperature
Maximum Junction Temperature
Package Power Dissipation
Continuous
SIP-3L
SC59-3L
3 of 12
www.diodes.com
Values
Unit
20
-20
Unlimited
30
25
-65~+150
150
550
230
V
V
V
mA
°C
°C
mW
mW
FEBRUARY 2010
© Diodes Incorporated
ATS137
SINGLE HALL EFFECT SWITCH
Recommended Operating Conditions
Symbol
Characteristic
VCC
TA
Supply Voltage
Operating Ambient Temperature
Electrical Characteristics
Symbol
Vce(SAT)
Icex
ICC
Characteristic
Output Saturation Voltage
Output Leakage Current
Supply Current
tr
Output Rise Time
tf
Output Falling Time
Conditions
Min
Max
Unit
Operating
Operating
3.5
-20
20
85
V
°C
(TA = + 25°C)
Test Conditions
VCC = 14V, ICC = 20mA
Vce = 14V, VCC = 14V
VCC =20V, Output Open
VCC = 14V, RL = 820Ω,
CL = 20pF
VCC = 14V, RL = 820Ω,
CL = 20pF
Min
-
Typ.
300
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