Datasheet > AH1892-CD4-7

AH1892-CD4-7

更新时间： 2022-05-13 14:17:36

品牌	Logo	应用领域
美台 - DIODES		开关传感器
页数	文件大小	规格书
11页	299K
描述
PROGRAMMABLE MICROPOWER OMNIPOLAR HALL-EFFECT SENSOR SWITCH

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AH1892-CD4-7 数据手册

AH1892

PROGRAMMABLE MICROPOWER OMNIPOLAR

HALL-EFFECT SENSOR SWITCH

Electrical Characteristics (cont.)

Tperiod

Tawake

I_DD(awake)

Tsleep

Sample and output

latched

I_DD(sleep)

Magnetic Characteristics (T_A= +25°C, V_DD= 1.6V to 3.6V, Note 10)

(1mT=10 Gauss)

BSEL

Low

High

Symbol

Characteristics

Min

Typ

Max

Unit

Bops_LB(south pole to brand side)

Bopn_LB(north pole to brand side)

Brps_LB(south pole to brand side)

Brpn_LB(north pole to brand side)

Bops_HB(south pole to brand side)

Bopn_HB(north pole to brand side)

Brps_HB(south pole to brand side)

Brpn_HB(north pole to brand side)

Bhy (|Bopx|-|Brpx|)

-35

Low Band - Operation Point

-55

-18

Low Band - Release Point

High Band - Operation Point

-45

-25

-12

Gauss

-80

-60

-43

High Band - Release Point

Hysteresis

-70

-50

-35

Notes: 10. Magnetic characteristics may vary with operating temperature and after soldering.

The AH1892 includes a band select pin (BSEL) so that the operate (Bops and Bopn) and release (Brps and Brpn) points can be adjusted

between two pre-defined ranges. The BSEL can be hard wired within the application circuit or the band can be selected on the fly by using

the BSEL pin as a logic input. This feature allows the AH1892 sensitivity to be changed by firmware within the application without the addition

of any external components. If the BSEL pin is left open circuit the AH1892 defaults to high band.

4 of 11

www.diodes.com

May 2012

AH1892

Document number: DS35092 Rev. 1 - 2

1 2 345 6 7...11

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