A1122LLHLT-T データシートの表示（PDF） - Allegro MicroSystems

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A1122LLHLT-T

Chopper-Stabilized Precision Hall-Effect Switches

Allegro MicroSystems 

A1120, A1121, A1122,

A1123, and A1125

Chopper-Stabilized Precision Hall-Effect Switches

ELECTRICAL CHARACTERISTICS: Valid over full operating voltage and ambient temperature ranges, unless otherwise noted

Characteristics

Symbol

Test Conditions

Min. Typ.1 Max.

Unit2

Electrical Characteristics

Forward Supply Voltage

Output Leakage Current

VCC

IOUTOFF

Operating, TJ < 165°C

A1120

A1121

A1122

A1123

VOUT = 24 V, B < BRP

3

–

24

V

–

–

10

µA

Output Saturation Voltage

VOUT(SAT)

A1125

A1120

A1121

A1122

A1123

VOUT = 24 V, B > BOP

IOUT = 20 mA, B > BOP

–

–

10

µA

–

185

500

mV

Output Current Limit

A1125 IOUT = 20 mA, B < BRP

A1120

IOM

A1121

A1122

A1123

B > BOP

–

185

500

mV

30

–

60

mA

Power-On Time3

Chopping Frequency

Output Rise Time3,4

Output Fall Time3,4

tPO

fC

tr

tf

ICC(ON)

A1125 B < BRP

VCC > 3.0 V, B < BRP(min) – 10 G,

B > BOP(max) + 10 G

RL = 820 Ω, CS = 20 pF

RL = 820 Ω, CS = 20 pF

A1120

A1121

A1122

A1123

VCC = 12 V, B > BOP

30

–

60

mA

–

–

25

µs

–

800

–

kHz

–

0.2

2

µs

–

0.1

2

µs

–

–

4

mA

Supply Current

ICC(OFF)

A1125

A1120

A1121

A1122

A1123

VCC = 12 V, B < BRP

VCC = 12 V, B < BRP

–

–

4

mA

–

–

4

mA

Reverse Supply Current

Supply Zener Clamp Voltage

Zener Impedance

IRCC

VZ

IZ

A1125 VCC = 12 V, B > BOP

VRCC = –30 V

ICC = 5 mA; TA = 25°C

ICC = 5 mA; TA = 25°C

–

–

4

mA

–

–

–5

mA

28

–

–

V

–

50

–

Ω

Continued on the next page…

Allegro MicroSystems, LLC

4

115 Northeast Cutoff

Worcester, Massachusetts 01615-0036 U.S.A.

1.508.853.5000; www.allegromicro.com

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