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參數(shù)資料
| 型號： | A1174EEWLT-T |
| 元件分類： | 磁阻傳感器 |
| 英文描述： | MAGNETIC FIELD SENSOR-HALL EFFECT, -5.5-5.5mT, 300mV, RECTANGULAR, SURFACE MOUNT |
| 封裝： | 1.50 X 2 MM, 0.40 MM HEIGHT, LEAD FREE, DFN-6 |
| 文件頁數(shù)： | 6/13頁 |
| 文件大小： | 423K |
| 代理商： | A1174EEWLT-T |
Ultrasensitive Hall Effect Latch
with Internally or Externally Controlled Sample and Sleep Periods
for Track Ball and Scroll Wheel Applications
A1174
2
Allegro MicroSystems, Inc.
115 Northeast Cutoff
Worcester, Massachusetts 01615-0036 U.S.A.
1.508.853.5000; www.allegromicro.com
Description (continued)
VDD
NC
VOUT
DUAL_CLK
GND
EXTERNAL_CLK
PAD
6
5
4
1
2
3
Pin-out Diagram
Terminal List
Number
Name
Function
1
VDD
Supply Voltage
2
NC
No connect
3
VOUT
Output
4
EXTERNAL_CLK
In combination with DUAL_CLK , allows external control of the device
sampling period and duty cycle
5
GND
Ground
6
DUAL_CLK
In combination with EXTERNAL_CLK , drives the part in Dual Clock mode
Selection Guide
Part Number
Packing*
A1174EEWLT-T
3000 pieces per 7-inch reel
*Contact Allegro for additional packing options
achieve synchronous clocking of multiple devices. This allows a
defined phase relationship between the output transitions of each
device in direction detection systems.
Improved stability is made possible through dynamic offset
cancellation using chopper stabilization, which reduces the residual
offset voltage normally caused by device overmolding, temperature
dependencies, and thermal stress. Solid state reliability is provided
by integrating, on a single silicon chip, a Hall-voltage generator,
a small-signal amplifier, chopper stabilization, a latch, and a
MOSFET output.
The device package is a 6-contact, 1.5 mm × 2 mm, 0.40 mm nominal
overall height MLP/DFN, with exposed pad for enhanced thermal
dissipation. It is lead (Pb) free, with 100% matte tin leadframe
plating.
Absolute Maximum Ratings
Characteristic
Symbol
Notes
Rating
Units
Forward Supply Voltage
VDD
5.0
V
Reverse Supply Voltage
VRDD
–0.3
V
Output Voltage
VOUT
5.0
V
Reverse Output Voltage
VROUT
–0.3
V
EXTERNAL_CLK and DUAL_CLK
Pins Input Voltage
VIN
5.0
V
EXTERNAL_CLK and DUAL_CLK
Pins Reverse Input Voltage
VRIN
–0.3
V
Continuous Output Current
IOUT(sink)
–1
mA
IOUT(source)
1mA
Magnetic Flux Density*
B
Unlimited
G
Operating Ambient Temperature
TA
Range E
–40 to 85
°C
Maximum Junction Temperature
TJ(MAX)
165
°C
Storage Temperature
Tstg
–65 to 170
°C
*1G = 0.1 mT (millitesla)
(Top View)
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