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A1183LLHLT Datasheet

  • A1183LLHLT

  • Sensitive Two-Wire Field-Programmable Chopper-Stabilized Uni...

  • 16頁(yè)

  • ALLEGRO   ALLEGRO

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A1180/81/82/83
Sensitive Two-Wire Field-Programmable Chopper-Stabilized
Unipolar Hall-Effect Switches
The A1180, A1181, A1182, and A1183 devices are sensitive, two-wire, unipolar,
Hall effect switches. The operate point, B
OP
, can be
鏗?/div>
eld-programmed, after
鏗?/div>
nal
packaging of the sensor and placement into the application. This advanced feature
allows the optimization of the sensor switching performance, by effectively
accounting for variations caused by mounting tolerances for the device and the
target magnet.
This family of devices are produced on the Allegro MicroSystems advanced
BiCMOS wafer fabrication process, which implements a patented, high-frequency,
chopper-stabilization technique that achieves magnetic stability and eliminates
the offsets that are inherent in single-element devices exposed to harsh applica-
tion environments. Commonly found in a number of automotive applications,
the A1180-83 family of devices are utilized to sense: seat track position, seat belt
buckle presence, hood/trunk latching, and shift selector position.
Two-wire unipolar switches are particularly advantageous in price-sensitive appli-
cations, because they require one less wire than the more traditional open-collec-
tor output switches. Additionally, the system designer gains inherent diagnostics
because output current normally
鏗?/div>
ows in either of two narrowly-speci鏗乪d ranges.
Any output current level outside of these two ranges is a fault condition. The
A1180-83 family of devices also features on-chip transient protection, and a Zener
clamp to protect against overvoltage conditions on the supply line.
The output currents of the A1181 and A1183 switch
HIGH
in the presence of a south
polarity magnetic
鏗?/div>
eld of suf鏗乧ient strength; and switch
LOW
otherwise, including
when there is no signi鏗乧ant magnetic
鏗?/div>
eld present. The A1180 and A1182 have
inverted output current levels: switching
LOW
in the presence of a south polarity
magnetic
鏗?/div>
eld of suf鏗乧ient strength, and
HIGH
otherwise. The devices also differ in
their speci鏗乪d
LOW
current supply levels.
Both devices are offered in two package styles: LH, a SOT-23W miniature low-
pro鏗乴e package for surface-mount applications, and UA, a three-lead ultramini
Single Inline Package (SIP) for through-hole mounting. Each package is available
in a lead (Pb) free version (suf鏗亁,
鈥揟)
with 100% matte tin plated leadframe.
Factory-programmed versions are also available. Refer to: A1140, A1141, A1142,
A1143, A1145, and A1146.
Package LH, 3-pin SOT
3
1. VCC
2. No connection
3. GND
NC
1
2
Package UA, 3-pin SIP
1. VCC
2. GND
3. GND
1
2
3
ABSOLUTE MAXIMUM RATINGS
Supply Voltage, V
CC
..........................................
28 V
Reverse-Supply Voltage, V
RCC
........................
鈥?8 V
Magnetic Flux Density, B .........................Unlimited
Operating Temperature
Ambient, T
A
, Range E..................
鈥?0潞C to 85潞C
Ambient, T
A
, Range L................
鈥?0潞C to 150潞C
Maximum Junction, T
J(max)
........................165潞C
Storage Temperature, T
S
..................
鈥?5潞C to 170潞C
Features and Bene鏗乼s
Chopper stabilization
Low switchpoint drift over operating
temperature range
Low stress sensitivity
Field-programmable for optimized
switchpoints
On-chip protection
Supply transient protection
Reverse-battery protection
On-board voltage regulator
3.5 V to 24 V operation
Allegro MicroSystems, Inc.
115 Northeast Cutoff, Box 15036
Worcester, Massachusetts 01615-0036 (508) 853-5000
www.allegromicro.com
A1180-DS, Rev. 2

A1183LLHLT 產(chǎn)品屬性

  • Current Sensor

  • 3,000

  • 傳感器，轉(zhuǎn)換器

  • 磁性 - 霍爾效應(yīng)，數(shù)字式開(kāi)關(guān)，線(xiàn)性，羅盤(pán) (IC)

  • -

  • 60G ~ 200G 跳閘 - 可編程，固定釋放

  • 單極開(kāi)關(guān)

  • 3.5 V ~ 24 V

  • 6.9mA

  • -

  • 數(shù)字，開(kāi)路集電極

  • 可編程

  • -40°C ~ 150°C

  • SOT-23W

  • SOT-23W

  • 帶卷 (TR)

A1183LLHLT相關(guān)型號(hào)PDF文件下載

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    Two-Wire, Programmable, Chopper-Stabilized, Unipolar Hall-Ef...
    ALLEGRO
  • 英文版
    Two-Wire, Programmable, Chopper-Stabilized, Unipolar Hall-Ef...
    ALLEGRO [A...
  • 英文版
    Sensitive Two-Wire Field-Programmable Chopper-Stabilized Uni...
    ALLEGRO [A...
  • 英文版
    Two-Wire, Programmable, Chopper-Stabilized, Unipolar Hall-Ef...
    ALLEGRO
  • 英文版
    Two-Wire, Programmable, Chopper-Stabilized, Unipolar Hall-Ef...
    ALLEGRO [A...
  • 英文版
    Two-Wire, Programmable, Chopper-Stabilized, Unipolar Hall-Ef...
    ALLEGRO
  • 英文版
    Two-Wire, Programmable, Chopper-Stabilized, Unipolar Hall-Ef...
    ALLEGRO [A...
  • 英文版
    Two-Wire, Programmable, Chopper-Stabilized, Unipolar Hall-Ef...
    ALLEGRO
  • 英文版
    Two-Wire, Programmable, Chopper-Stabilized, Unipolar Hall-Ef...
    ALLEGRO [A...
  • 英文版
    Two-Wire, Programmable, Chopper-Stabilized, Unipolar Hall-Ef...
    ALLEGRO
  • 英文版
    Two-Wire, Programmable, Chopper-Stabilized, Unipolar Hall-Ef...
    ALLEGRO [A...
  • 英文版
    Standard Two-Wire Field-Programmable Chopper-Stabilized Unip...
    ALLEGRO [A...
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    Ultrasensitive Two-Wire Field-Programmable Chopper-Stabilize...
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    Ultrasensitive Two-Wire Field-Programmable Chopper-Stabilize...
    ALLEGRO [A...
  • 英文版
    Ultrasensitive Two-Wire Field-Programmable Chopper-Stabilize...
    ALLEGRO
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    Ultrasensitive Two-Wire Field-Programmable Chopper-Stabilize...
    ALLEGRO [A...
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    Low Cost, Miniature DIP 1W, Very High Isolation DC/DC Conver...
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    Single & Dual Output, 1.5W Ultra-Wide Input Range DC/DC Conv...
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    Sensitive Two-Wire Field-Programmable Chopper-Stabilized Uni...
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