A3212EEHLT-T 参数 Datasheet PDF下载

A3211

and

A3212

Micropower, Ultrasensitive

Hall Effect Switch

3211 MAGNETIC CHARACTERISTICS

over operating voltage and temperature range (unless otherwise specified)

Characteristic

Operate Points

Release Points

Hysteresis

Symbol

B

OPS

B

OPN

B

RPS

B

RPN

B

HYS

Test Conditions

South pole to branded side; B > B

OP

, V

OUT

= High (Output Off)

North pole to branded side; B > B

OP

, V

OUT

= High (Output Off)

South pole to branded side; B < B

RP

, V

OUT

= Low (Output On)

North pole to branded side; B < B

RP

, V

OUT

= Low (Output On)

|B

OPx

- B

RPx

|

Limits

Min.

–

–55

10

–

–

Typ.

37

–40

31

–34

5.9

Max.

55

–

–

–10

–

Units

G

G

G

G

G

NOTES: 1. Negative flux densities are defined as less than zero (algebraic convention), i.e., -50 G is less than +10 G.

2. B

OPx

= operate point (output turns off); B

RPx

= release point (output turns on).

3. Typical Data is at T

A

= +25°C and V

DD

= 2.75 V and is for design information only.

4. 1 gauss (G) is exactly equal to 0.1 millitesla (mT).

3212 MAGNETIC CHARACTERISTICS

over operating voltage and temperature range (unless otherwise specified)

Characteristic

Operate Points

Release Points

Hysteresis

Symbol

B

OPS

B

OPN

B

RPS

B

RPN

B

HYS

Test Conditions

South pole to branded side; B > B

OP

, V

OUT

= Low (Output On)

North pole to branded side; B > B

OP

, V

OUT

= Low (Output On)

South pole to branded side; B < B

RP

, V

OUT

= High (Output Off)

North pole to branded side; B < B

RP

, V

OUT

= High (Output Off)

|B

OPx

- B

RPx

|

Limits

Min.

–

–55

10

–

–

Typ.

37

–40

31

–34

5.9

Max.

55

–

–

–10

–

Units

G

G

G

G

G

NOTES: 1. Negative flux densities are defined as less than zero (algebraic convention), i.e., -50 G is less than +10 G.

2. B

OPx

= operate point (output turns on); B

RPx

= release point (output turns off).

3. Typical Data is at T

A

= +25°C and V

DD

= 2.75 V and is for design information only.

4. 1 gauss (G) is exactly equal to 0.1 millitesla (mT).

Allegro MicroSystems, Inc.

115 Northeast Cutoff, Box 15036

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

www.allegromicro.com

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