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A1172 Datasheet

  • A1172

  • Micropower Ultra-Sensitive Hall-Ef fect Switch

  • 237.14KB

  • 9頁

  • ALLEGRO   ALLEGRO

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A1172
Micropower Ultra-Sensitive Hall-Effect Switch
Features and Benefits
鈻?/div>
Micropower operation
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Operation with either north or south pole鈥?/div>
no magnetic orientation required during assembly
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1.65 to 3.5 V battery operation
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Chopper stabilization
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Superior temperature stability
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Extremely low switchpoint drift
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Insensitive to physical stress
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Solid state reliability
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Small size: WLCSP (鈮?1 mm 脳 1 mm 脳 0.5 mm)
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Complementary, push-pull outputs eliminate need for
pull-up resistor
Description
The A1172 is an ultra-sensitive, pole-independent Hall-effect
switch with a latched digital output. It features operation at
low supply currents and voltages, making it ideal for battery-
operated electronics. The 1.65 to 3.5 V operating supply
voltage and unique clocking algorithm reduce the average
operating power requirements to less than 15
渭W
with a
2.75 V supply.
The A1172 has two push-pull output structures. Omnipolar
activation for the output function is available on each output
structure. As such, either a north or south pole of sufficient
strength turns the available outputs off or on. The A1172
contains two complementary outputs. Therefore, for a fixed
magnetic field, one output will be in a high voltage state and
one output will be in a low voltage state.
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. This device
Package: 4 pin WLCSP (suffix CG)
Not to scale
Continued on the next page鈥?/div>
Engineering samples available on a limited basis. Contact your local
sales or applications support office for additional information.
Functional Block Diagram
VDD
Clock / Logic
Sample and Hold
Dynamic Offset
Cancellation
Latch
Low-Pass
Filter
VOUTPS
Amp
Latch
VOUTPN
GND
1172-DS

A1172相關(guān)型號PDF文件下載

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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...
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  • 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]
  • 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]
  • 英文版
    SPECIFICATION FOR APPROVAL
    ETC [ETC]
  • 英文版
    SPECIFICATION FOR APPROVAL
    ETC [ETC]

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