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Спецификация 3503 изготовлена «Allegro MicroSystems» и имеет функцию, называемую «Ratiometric Linear Hall Effect Sensor IC». |
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Детали детали
Номер произв | 3503 |
Описание | Ratiometric Linear Hall Effect Sensor IC |
Производители | Allegro MicroSystems |
логотип |
9 Pages
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A3503
Ratiometric Linear Hall Effect Sensor IC
Discontinued Product
These parts are no longer in production The device should not be
purchased for new design applications. Samples are no longer available.
Date of status change: October 31, 2005
Recommended Substitutions:
The drop-in replacement is the A1302, with a more sensitive option also
available, the A1301.
NOTE: For detailed information on purchasing options, contact your
local Allegro field applications engineer or sales representative.
Allegro MicroSystems, Inc. reserves the right to make, from time to time, revisions to the anticipated product life cycle plan for a
product to accommodate changes in production capabilities, alternative product availabilities, or market demand. The information
included herein is believed to be accurate and reliable. However, Allegro MicroSystems, Inc. assumes no responsibility for its use; nor
for any infringements of patents or other rights of third parties which may result from its use.
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3503
V CC
12
3
Dwg. PH-006
Pinning is shown viewed from branded side.
RATIOMETRIC, LINEAR
HALL-EFFECT SENSOR ICS
The UGN3503LT, UGN3503U, and UGN3503UA Hall-effect
sensor ICs accurately track extremely small changes in magnetic flux
density—changes generally too small to operate Hall-effect switches.
For motion detectors, gear tooth sensors, and proximity detectors,
they are magnetically driven mirrors of mechanical events. As sensitive
monitors of electromagnets, they can effectively measure a system's
performance with negligible system loading while providing isolation
from contaminated and electrically noisy environments.
Each Hall-effect integrated circuit includes a Hall element,
linear amplifier, and emitter-follower output stage. Problems associated
with handling tiny analog signals are minimized by having the Hall cell
and amplifier on a single chip.
Three package styles provide a magnetically optimized package for
most applications. Package suffix ‘LT’ is a miniature SOT-89/TO-
243AA transistor package for surface-mount applications; suffix ‘U’ is a
miniature three-lead plastic SIP, while ‘UA’ is a three-lead ultra-mini-
SIP. All devices are rated for continuous operation over the temperature
range of -20°C to +85°C.
FEATURES
■ Extremely Sensitive
■ Flat Response to 23 kHz
■ Low-Noise Output
■ 4.5 V to 6 V Operation
■ Magnetically Optimized Package
ABSOLUTE MAXIMUM RATINGS
Supply Voltage, VCC ............................. 8 V
Magnetic Flux Density, B ......... Unlimited
Operating Temperature Range,
TA ............................ -20°C to +85°C
Storage Temperature Range,
TS ........................... -65°C to +150°C
Always order by complete part number, e.g., UGN3503UA .
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3503
RATIOMETRIC,
LINEAR
HALL-EFFECT SENSOR ICS
FUNCTIONAL BLOCK DIAGRAM
1 VCC
REG.
X 3 OUTPUT
2 GROUND
Dwg. FH-007
ELECTRICAL CHARACTERISTICS at TA = +25°C, VCC = 5 V
Characteristic
Operating Voltage
Supply Current
Quiescent Output Voltage
Sensitivity
Bandwidth (-3 dB)
Broadband Output Noise
Output Resistance
Symbol
VCC
ICC
VOUT
∆VOUT
BW
Vout
ROUT
Test Conditions
B=0G
B = 0 G to ±900 G
BW = 10 Hz to 10 kHz
Min.
4.5
—
2.25
0.75
—
—
—
Limits
Typ. Max.
— 6.0
9.0 13
2.50 2.75
1.30 1.75
23 —
90 —
50 220
Units
V
mA
V
mV/G
kHz
µV
Ω
All output-voltage measurements are made with a voltmeter having an input impedance of at least 10 kΩ.
Magnetic flux density is measured at most sensitive area of device located 0.0165" (0.42 mm) below the branded face of the ‘U’
package; 0.0195" (0.50 mm) below the branded face of the ‘UA’ package; and 0.0305" (0.775 mm) below the branded face of the
‘LT’ package.
115 Northeast Cutoff, Box 15036
Worcester, Massachusetts 01615-0036 (508) 853-5000
Copyright © 1985, 2002 Allegro MicroSystems, Inc.
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