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A3230LUA Datasheet

  • A3230LUA

  • Chopper-Stabilized Hall-Effect Bipolar Switch

  • 476.92KB

  • 12頁(yè)

  • ALLEGRO   ALLEGRO

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A3230
Chopper-Stabilized
Hall-Effect Bipolar Switch
Package LH, 3-pin Surface Mount
GND
3
The A3230 Hall-effect sensor is a temperature stable, stress-resistant bipolar
switch. This sensor is the most sensitive Hall-effect device in the Allegro
廬
bipolar
switch family and is intended for ring-magnet sensing. Superior high-temperature
performance is made possible through an Allegro patented dynamic offset cancel-
lation that utilizes chopper-stabilization. This method reduces the offset voltage
normally caused by device overmolding, temperature dependencies, and thermal
stress.
The A3230 includes the following on a single silicon chip: a voltage regulator,
Hall-voltage generator, small-signal ampli鏗乪r, chopper stabilization, Schmitt
trigger, and a short circuit protected open-drain output. Advanced BiCMOS wafer
fabrication processing takes advantage of low-voltage requirements, component
matching, very low input-offset errors, and small component geometries.
The A3230 Hall-effect bipolar switch turns on in a south polarity magnetic
鏗?/div>
eld of
suf鏗乧ient strength and switches off in a north polarity magnetic
鏗?/div>
eld of suf鏗乧ient
strength. Because the output state is not de鏗乶ed if the magnetic
鏗?/div>
eld is diminished
or removed, to ensure that the device switches, Allegro recommends using mag-
nets of both polarities and of suf鏗乧ient strength in the application.
The A3230 is rated for operation between the ambient temperatures 鈥?0擄C and
85擄C for the E temperature range, and 鈥?0擄C to 150擄C for the L temperature
range.
Two A3230 package styles provide magnetically optimized solutions
for most applications. Package LH is a SOT23W, a miniature low-pro鏗乴e
surface-mount package, while package UA is a three-lead ultramini SIP for
through-hole mounting. Each package is available in a lead (Pb) free version,
with 100% matte tin plated leadframes.
1
2
1
2
3
Package UA, 3-pin SIP
1
2
VOUT
GND
VCC
VOUT
3
VCC
1 2
3
Features and Bene鏗乼s
Chopper stabilization
Superior temperature stability
Extremely low switchpoint drift
Insensitive to physical stress
Reverse battery protection
Output short circuit protection
Solid state reliability
Small size
Robust EMC capability
High ESD ratings (HBM)
ABSOLUTE MAXIMUM RATINGS
Supply Voltage, V
CC
..........................................
28 V
Reverse-Supply Voltage, V
RCC
........................
鈥?8 V
Output Off Voltage, V
OUT
...............................
26.5 V
Output Current, I
OUTSINK
...........
Internally Limited
Reverse-Output Current, I
ROUT
....................鈥?0
mA
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
A3230-DS
Allegro MicroSystems, Inc.
115 Northeast Cutoff, Box 15036
Worcester, Massachusetts 01615-0036 (508) 853-5000
www.allegromicro.com

A3230LUA 產(chǎn)品屬性

  • Current Sensor

  • 500

  • 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)

  • -

  • 25G 跳閘，-25G 釋放

  • 雙極卡鎖

  • 3.6 V ~ 24 V

  • 3.5mA

  • 60mA

  • 數(shù)字式，開(kāi)漏極

  • 穩(wěn)壓電壓

  • -40°C ~ 150°C

  • 3-SIP

  • 3-SIP

  • 散裝

A3230LUA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
    Chopper-Stabilized Hall-Effect Bipolar Switch
    ALLEGRO
  • 英文版
    Chopper-Stabilized Hall-Effect Bipolar Switch
    ALLEGRO [A...
  • 英文版
    Compact, Regulated, 3W Single & Dual Output DC/DC Converters
    MPD
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    High Isolation, 2W & 3W Single & Dual Output DC/DC Converter...
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    Wide Input Range, 3W Single & Dual Output DC/DC Converters
    MPD
  • 英文版
    Low Cost, Wide Input, 3W Single & Dual Output DC/DC Converte...
    MPD
  • 英文版
    Chopper-Stabilized Hall-Effect Bipolar Switch
    ALLEGRO
  • 英文版
    Chopper-Stabilized Hall-Effect Bipolar Switch
    ALLEGRO [A...
  • 英文版
    Chopper-Stabilized Hall-Effect Bipolar Switch
    ALLEGRO
  • 英文版
    Chopper-Stabilized Hall-Effect Bipolar Switch
    ALLEGRO [A...
  • 英文版
    Chopper-Stabilized Hall-Effect Bipolar Switch
    ALLEGRO
  • 英文版
    Chopper-Stabilized Hall-Effect Bipolar Switch
    ALLEGRO [A...
  • 英文版
    Chopper-Stabilized Hall-Effect Bipolar Switch
    ALLEGRO
  • 英文版
    Chopper-Stabilized Hall-Effect Bipolar Switch
    ALLEGRO [A...
  • 英文版
    Chopper-Stabilized Hall-Effect Bipolar Switch
    ALLEGRO
  • 英文版
    Chopper-Stabilized Hall-Effect Bipolar Switch
    ALLEGRO [A...
  • 英文版
    Chopper-Stabilized Hall-Effect Bipolar Switch
    ALLEGRO
  • 英文版
    Chopper-Stabilized Hall-Effect Bipolar Switch
    ALLEGRO [A...
  • 英文版
    Chopper-Stabilized Hall-Effect Bipolar Switch
    ALLEGRO
  • 英文版
    Chopper-Stabilized Hall-Effect Bipolar Switch
    ALLEGRO [A...

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