A3425 データシートの表示（PDF） - Allegro MicroSystems

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A3425

Ultra-Sensitive Dual-Channel Quadrature Hall-Effect Bipolar Switch

Allegro MicroSystems 

A3425

Ultra-Sensitive Dual-Channel Quadrature

Hall-Effect Bipolar Switch

OPERATING CHARACTERISTICS Valid over operating temperature ranges unless otherwise noted; typical data applies to

VCC = 12 V, and TA = 25ºC

Characteristic

Symbol

Test Conditions

Min. Typ. Max Units

ELECTRICAL CHARACTERISTICS

Supply Voltage1

Output Leakage Current

Output Rise Time

Output Fall Time

Supply Current

VCC

IOUTPUT(OFF)

tr

tf

ICC(OFF)

ICC(ON)

Low Output Voltage

VOUTPUT(ON)

Output Sink Current

IOUTPUT(SINK)

Output Sink Current, Continuous2

IOUTPUT(SINK)C

Output Sink Current, Peak3

IOUTPUT(SINK)P

Chopping Frequency

fC

TRANSIENT PROTECTION CHARACTERISTICS

Operating; TA ≤ 150°C

Either output

CLOAD = 20 pF, RLOAD = 820 Ω

CLOAD = 20 pF, RLOAD = 820 Ω

B < BRP(A) ,B < BRP(B)

B > BOP(A) ,B > BOP(B)

Both outputs; IOUTPUT(SINK) = 20 mA; B > BOP(A),

B > BOP(B)

TJ < TJ(max) ,VOUTPUT = 12 V

t < 3 seconds

3.3 – 18 V

– < 1 10 μA

– 1.8 –

μs

– 1.2 –

μs

– 3.5 6.0 mA

– 4.0 6.0 mA

– 160 500 mV

– – 20 mA

– – 70 mA

– – 220 mA

– 340 – kHz

Supply Zener Voltage

Supply Zener Current4

Reverse-Battery Current

VZ

IZ

IRCC

ICC = 15 mA

VS = 28 V

VRCC = –18 V, TJ < TJ(max)

28 33 37 V

– – 9.0 mA

– 2 15 mA

Continued on the next page...

Allegro MicroSystems, Inc.

4

115 Northeast Cutoff, Box 15036

Worcester, Massachusetts 01615-0036 (508) 853-5000

www.allegromicro.com

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