A1171 データシートの表示（PDF） - Unspecified

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A1171

Micropower Ultrasensitive Hall Effect Switch

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A1171

Micropower Ultrasensitive Hall Effect Switch

ELECTRICAL CHARACTERISTICS valid over operating voltage and temperature range (unless otherwise specified)

Characteristic

Symbol

Test Conditions

Min. Typ.1 Max. Units

Electrical Characteristics

Supply Voltage Range2

VDD

Operating, TA= 25°C

Operating, over full ambient temperature range

1.65

–

3.5

V

1.8

Output Voltage

VOUT(SAT)

VOUT(HIGH)

NMOS on, ISINK = 1 mA, VDD = 3.5 V

PMOS on, ISOURCE = –1 mA, VDD = 3.5 V

–

100

300

mV

VDD–300 VDD–100

–

mV

Mode Cycle Period

tPeriod

–

50

100

ms

Chopping Frequency

fC

–

200

–

kHz

IDD(EN) Device in awake mode (enabled)

–

–

2.0

mA

Supply Current

SELECT Current3

SELECT Voltage3

IDD(DIS) Device in sleep mode (disabled)

IDD(AV)

VDD = 1.8 V, TA = 25°C

VDD = 3.5 V, TA = 25°C

ISELECT

VSELECT(LOW)

VSELECT(HIGH)

–

–

8.0

µA

–

3.5

8

µA

–

7.1

12

µA

0

1

2

µA

0

–

1/3VDD

V

2/3VDD

–

VDD

V

1Typical data are for initial design estimations only, and assume optimum manufacturing and application conditions, such as TA = 25°C. Performance

may vary for individual units, within the specified maximum and minimum limits.

2Operate points, BOPX, and release points, BRPX, vary with supply voltage.

3Maximum VDD, minimum 0 V.

MAGNETIC CHARACTERISTICS valid at 1.8 V ≤ VDD ≤ 3.5 V and TA = 25°C

Characteristic

Symbol

Test Conditions

Min. Typ.1 Max. Units2

Operate Point3

Release Point3

Hysteresis

BOPS

BOPN

BRPS

BRPN

BHYS

|BOPX - BRPX|

–

32

55

G

–55

–32

–

G

6

26

–

G

–

–26

–6

G

–

6

–

G

1Typical data are for initial design estimations only, and assume optimum manufacturing and application conditions, such as TA = 25°C. Performance

may vary for individual units, within the specified maximum and minimum limits.

21 gauss (G) is exactly equal to 0.1 millitesla (mT).

3Operate points, BOPX, and release points, BRPX, vary with supply voltage.

Allegro MicroSystems, Inc.



115 Northeast Cutoff

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

1.508.853.5000; www.allegromicro.com

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