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A1171EEWLT-P Datasheet

  • A1171EEWLT-P

  • Micropower Ultrasensitive Hall Effect Switch

  • 9頁(yè)

  • ALLEGRO   ALLEGRO

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A1171
Micropower Ultrasensitive Hall Effect Switch
Features and Benefits
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1.65 to 3.5 V battery operation
Low supply current
High sensitivity, B
OP
typically 30 G (3.0 mT)
Operation with either north or south pole
Configurable unipolar or omnipolar magnetic sensing
Complementary, push-pull outputs
Chopper stabilized
鈻?Superior temperature stability
鈻?Extremely low switchpoint drift
鈻?Insensitive to physical stress
鈻?Solid state reliability
鈻?Small size
Description
The A1171 integrated circuit is an ultrasensitive, Hall effect
switch with latched digital outputs and either unipolar or
omnipolar magnetic actuation. It features operation at low
supply currents and voltages, making it ideal for battery-
operated electronics. The low operating supply voltage,
1.65 to 3.5 V, and unique clocking algorithm assist in reducing
the average operating power consumption. For example, the
power requirement is less than 15 渭W with a 2.75 V supply.
Unlike more traditional Hall effect switches, the A1171 allows
the user to configure how the device is magnetically actuated.
Under default conditions the device activates output switching
with either a north or south polarity magnetic field of sufficient
strength. The magnetic actuation can be set via an external
selection pin to operate in a unipolar mode, switching only on
a north or south polarity but not both. Furthermore, the output
of the A1171 can be configured to switch either off or on in the
absence of any significant magnetic field. Lastly, the A1171
has two push-pull output structures.
This polarity-independence, as well as the minimal power
requirements, allows the A1171 to easily replace reed switches,
Package: 6 pin DFN/MLP (suffix EW)
Not to scale
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Functional Block Diagram
VDD
Clock / Logic
Sample and Hold
and Averaging
Dynamic Offset
Cancellation
Low-Pass
Filter
Latch
Logic
VOUTPS
Amp
Latch
VOUTPN
GND
1171-DS
SELECT

A1171EEWLT-P 產(chǎn)品屬性

  • Current Sensor

  • 1

  • 傳感器，轉(zhuǎn)換器

  • 磁性 - 霍爾效應(yīng)，數(shù)字式開(kāi)關(guān)，線性，羅盤 (IC)

  • -

  • ±55G 跳閘，±6G 釋放

  • 全極、單極開(kāi)關(guān)

  • 1.65 V ~ 3.5 V

  • 2mA

  • ±1mA

  • 數(shù)字，推挽式

  • 高靈敏度

  • -40°C ~ 85°C

  • 6-XFDFN 裸露焊盤

  • 6-MLP/DFN 裸露焊盤（1.5x2）

  • Digi-Reel?

  • 620-1232-6

A1171EEWLT-P相關(guān)型號(hào)PDF文件下載

  • 型號(hào)
    版本
    描述
    廠商
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  • 英文版
    Micropower Ultrasensitive Hall Effect Switch
    ALLEGRO
  • 英文版
    Micropower Ultrasensitive Hall Effect Switch
    ALLEGRO [A...
  • 英文版
    Micropower Ultra-Sensitive Hall-Ef fect Switch
    ALLEGRO
  • 英文版
    Micropower Ultra-Sensitive Hall-Ef fect Switch
    ALLEGRO [A...
  • 英文版
    Ultrasensitive Hall Effect Latch with Internally or External...
    ALLEGRO
  • 英文版
    Ultrasensitive Hall Effect Latch with Internally or External...
    ALLEGRO [A...
  • 英文版
    Low Cost, Miniature DIP 1W, Very High Isolation DC/DC Conver...
    MPD
  • 英文版
    Single & Dual Output, 1.5W Ultra-Wide Input Range DC/DC Conv...
    MPD [MicroPower...
  • 英文版
    SPECIFICATION FOR APPROVAL
    ETC [ETC]
  • 英文版
    SPECIFICATION FOR APPROVAL
    ETC [ETC]
  • 英文版
    SPECIFICATION FOR APPROVAL
    ETC [ETC]
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    SPECIFICATION FOR APPROVAL
    ETC [ETC]
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    SPECIFICATION FOR APPROVAL
    ETC [ETC]
  • 英文版
    SPECIFICATION FOR APPROVAL
    ETC [ETC]
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    SPECIFICATION FOR APPROVAL
    ETC [ETC]
  • 英文版
    SPECIFICATION FOR APPROVAL
    ETC [ETC]
  • 英文版
    SPECIFICATION FOR APPROVAL
    ETC [ETC]
  • 英文版
    SPECIFICATION FOR APPROVAL
    ETC [ETC]
  • 英文版
    SPECIFICATION FOR APPROVAL
    ETC [ETC]
  • 英文版
    SPECIFICATION FOR APPROVAL
    ETC [ETC]

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