A1222 查看數據表（PDF） - Allegro MicroSystems

零件编号

产品描述 (功能)

比赛名单

A1222

solid state crowbar devices

Allegro MicroSystems 

A1220, A1221,

A1222, and A1223

Chopper Stabilized Precision Hall Effect Latches

ELECTRICAL CHARACTERISTICS Valid 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

Output Saturation Voltage

Output Current Limit

Power-On Time3

Chopping Frequency

Output Rise Time3,4

Output Fall Time3,4

Supply Current

Reverse Supply Current

Supply Zener Clamp Voltage

Zener Impedance

Magnetic Characteristics

VCC

IOUTOFF

VOUT(SAT)

IOM

tPO

fC

tr

tf

ICC(ON)

ICC(OFF)

IRCC

VZ

IZ

Operating, TJ < 165°C

VOUT = 24 V, B < BRP

IOUT = 20 mA, B > BOP

B > BOP

VCC > 3.0 V, B < BRP(min) – 10 G,

B > BOP(max) + 10 G

RL = 820 Ω, CL = 20 pF

RL = 820 Ω, CL = 20 pF

B > BOP, VCC = 12 V

B < BRP, VCC = 12 V

VRCC = –30 V

ICC = 5 mA; TA = 25°C

ICC = 5 mA; TA = 25°C

3

–

24

V

–

–

10

μA

–

185

500

mV

30

–

60

mA

–

–

25

μs

–

800

–

kHz

–

0.2

2

μs

–

0.1

2

μs

–

–

4

mA

–

–

4

mA

–

–

–5

mA

28

–

–

V

–

50

–

Ω

A1220

5

22

40

G

Operate Point

A1221

BOP

A1222

15

50

90

G

70

110

150

G

A1223

100

150

180

G

A1220

–40

–23

–5

G

Release Point

A1221

BRP

A1222

–90

–50

–15

G

–150

–110

–70

G

A1223

–180

–150

–100

G

A1220

10

45

80

G

Hysteresis

BHYS

A1221

A1222 (BOP – BRP)

30

100

180

G

140

220

300

G

A1223

200

300

360

G

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

21 G (gauss) = 0.1 mT (millitesla).

3Guaranteed by device design and characterization.

4CL = oscilloscope probe capacitance.

Allegro MicroSystems, Inc.

4

115 Northeast Cutoff

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

1.508.853.5000; www.allegromicro.com

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