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A3242LUA-T Datasheet

  • A3242LUA-T

  • Chopper-Stabilized Unipolar Hall-Effect Switches

  • 12頁(yè)

  • ALLEGRO   ALLEGRO

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A3241 and A3242
Chopper-Stabilized
Unipolar Hall-Effect Switches
Package LH, 3-pin Surface Mount
GND
3
The A3241 and A3242 integrated circuits are unipolar Hall-effect switches with
digital outputs. These sensors are suited for operation over extended temperature
ranges, up to +150擄C. Superior high-temperature performance is made pos-
sible through an Allegro
廬
patented dynamic offset cancellation, which reduces
the residual offset voltage normally caused by device overmolding, temperature
excursions, and thermal stress.
The A3241 and A3242 Hall-effect switches include the following on a single
silicon chip: 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 is used to take advantage
of low-voltage requirements, component matching, very low input-offset errors,
and small component geometries.
The integrated voltage regulator permits operation from 3.6 to 24 V. The unipolar
family members operate with a suf鏗乧ient south polarity
鏗?/div>
eld only, turning off in
the absence of such a south polarity
鏗?/div>
eld.
The A3241 and A3242 are 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 tem-
perature range. The small geometries of the BiCMOS process allow these devices
to be provided in ultrasmall packages. The package styles available provide mag-
netically optimized solutions for most applications. Package LH is an 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
Output short circuit protection
Solid state reliability
Small size
Robust EMC capability
High ESD ratings (HBM)
Superior temperature stability
Extremely low switchpoint drift
Insensitive to physical stress
Reverse battery protection
ABSOLUTE MAXIMUM RATINGS
Supply Voltage, V
CC
..........................................
28 V
Reverse-Supply Voltage, V
RCC
........................
鈥?8 V
Reverse-Supply Current, I
RCC
........................鈥?
mA
Output Off Voltage, V
OUT
..................................
28 V
Output Current, I
OUTSINK
...........
Internally Limited
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
A3241-DS, Rev. 2
Allegro MicroSystems, Inc.
115 Northeast Cutoff, Box 15036
Worcester, Massachusetts 01615-0036 (508) 853-5000
www.allegromicro.com

A3242LUA-T 產(chǎn)品屬性

  • 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)

  • -

  • 200G 跳閘，110G 釋放

  • 單極開(kāi)關(guān)

  • 3.6 V ~ 24 V

  • 3.5mA

  • -

  • 數(shù)字式，開(kāi)漏極

  • 穩(wěn)壓電壓

  • -40°C ~ 150°C

  • 3-SIP

  • 3-SIP

  • 散裝

  • 620-1050

A3242LUA-T相關(guān)型號(hào)PDF文件下載

  • 型號(hào)
    版本
    描述
    廠商
    下載
  • 英文版
    CHOPPER-STABILIZED, PRECISION HALL-EFFECT SWITCH
    ALLEGRO
  • 英文版
    CHOPPER-STABILIZED, PRECISION HALL-EFFECT SWITCH
    ALLEGRO [A...
  • 英文版
    Chopper-Stabilized Unipolar Hall-Effect Switches
    ALLEGRO
  • 英文版
    Chopper-Stabilized Unipolar Hall-Effect Switches
    ALLEGRO [A...
  • 英文版
    Chopper-Stabilized Unipolar Hall-Effect Switches
    ALLEGRO
  • 英文版
    Chopper-Stabilized Unipolar Hall-Effect Switches
    ALLEGRO [A...
  • 英文版
    Chopper-Stabilized Omnipolar Hall-Effect Switches
    ALLEGRO
  • 英文版
    Chopper-Stabilized Omnipolar Hall-Effect Switches
    ALLEGRO [A...
  • 英文版
    Compact, Regulated, 3W Single & Dual Output DC/DC Converters
    MPD
  • 英文版
    Wide Input Range, 3W Single & Dual Output DC/DC Converters
    MPD
  • 英文版
    CHOPPER-STABILIZED.PRECISION HALL-EFFECT SWITCH
    ETC
  • 英文版
    CHOPPER-STABILIZED, PRECISION HALL-EFFECT SWITCH
    ALLEGRO
  • 英文版
    CHOPPER-STABILIZED, PRECISION HALL-EFFECT SWITCH
    ALLEGRO [A...
  • 英文版
    CHOPPER-STABILIZED, PRECISION HALL-EFFECT SWITCH
    ALLEGRO
  • 英文版
    CHOPPER-STABILIZED, PRECISION HALL-EFFECT SWITCH
    ALLEGRO [A...
  • 英文版
    CHOPPER-STABILIZED, PRECISION HALL-EFFECT SWITCH
    ALLEGRO
  • 英文版
    CHOPPER-STABILIZED, PRECISION HALL-EFFECT SWITCH
    ALLEGRO [A...
  • 英文版
    CHOPPER-STABILIZED, PRECISION HALL-EFFECT SWITCH
    ALLEGRO
  • 英文版
    CHOPPER-STABILIZED, PRECISION HALL-EFFECT SWITCH
    ALLEGRO [A...
  • 英文版
    Low Cost, Wide Input, 3W Single & Dual Output DC/DC Converte...
    MPD

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