Datasheet > 1120_V12

1120_V12

更新时间： 2022-09-10 19:17:15

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描述
Chopper Stabilized Precision Hall Effect Switches

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数据手册

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1120_V12 数据手册

A1120, A1121, A1122

and A1125

Chopper Stabilized Precision Hall Effect Switches

ELECTRICAL CHARACTERISTICS Valid valid over full operating voltage and ambient temperature ranges; unless otherwise noted

Characteristics

Electrical Characteristics

Forward Supply Voltage

Symbol

Test Conditions

Min.

Typ.¹

Max.

Unit²

V_CC

Operating, T_J< 165°C

–

A1120,

A1121,

A1122

V_OUT= 24 V, B < B_RP

V_OUT= 24 V, B > B_OP

μA

Output Leakage Current

Output Saturation Voltage

Output Current Limit

I_OUTOFF

A1125

–

A1120,

A1121,

A1122

_OUT= 20 mA, B > B_OP

–

185

–

500

V_OUT(SAT)

A1125

I_OUT= 20 mA, B < B_RP

B > B_OP

–

A1120,

A1121,

A1122

I_OM

A1125

B < B_RP

–

V_CC> 3.0 V, B < B_RP(min) – 10 G,

B > B_OP(max) + 10 G

t_PO

μs

Power-On Time

Chopping Frequency

f_C

t_r

–

800

0.2

0.1

–

kHz

μs

3,4

R_L= 820 Ω, C_S= 20 pF

A1120,

Output Rise Time

3,4

t_f

μs

Output Fall Time

A1121,

A1122

V_CC= 12 V, B > B_OP

V_CC= 12 V, B < B_RP

V_CC= 12 V, B > B_OP

–

I_CC(ON)

A1125

Supply Current

A1120,

A1121,

A1122

I_CC(OFF)

A1125

–

–5

–

Reverse Supply Current

Supply Zener Clamp Voltage

Zener Impedance

I_RCC

V_Z

V_RCC= –30 V

I_CC= 5 mA; T_A= 25°C

–

I_Z

–

Magnetic Characteristics

A1120

A1121

A1122

A1125

A1120

A1121

A1122

A1125

–

120

–

135

200

Operate Point

B_OP

150

–

110

190

–

Release Point

Hysteresis

B_RP

125

A1120,

(B_OP– B_RP

A1125

)

–

B_HYS

A1121,

A1122

¹Typical data are are at T_A= 25°C and V_CC= 12 V, and are for initial design estimations only.

²1 G (gauss) = 0.1 mT (millitesla).

³Guaranteed by device design and characterization.

⁴C_S= oscilloscope probe capacitance.

Allegro MicroSystems, Inc.

115 Northeast Cutoff

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

1.508.853.5000; www.allegromicro.com

1 2 345 6 7...14

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