Datasheet > BU52040HFV_10

BU52040HFV_10

更新时间： 2022-12-20 16:45:58

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罗姆 - ROHM		/
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13页	348K
描述
Bipolar Latch Hall IC

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BU52040HFV_10 数据手册

Hall IC Series

Bipolar

Latch Hall IC

BU52040HFV

No.10045EBT05

●Description

BU52040 Hall Effect IC for wheel keys / trackballs is designed to detect a switch in magnetic field from N to S (or vice versa)

and maintain its detection result on the output until the next switch. Output is pulled low for S-pole fields and high for N-pole

fields. This IC is ideal for detecting the number of shaft rotations inside of a wheel key, trackball, or other similar applications.

Using two ICs can also enable detection of rotation direction.

●Features

1) Ideally suited for wheel keys or trackballs

2) Micropower operation (small current consumption via intermittent operation method)

3) Ultra-small outline package

4) Supports 1.8 V supply voltage

5) High ESD resistance: 8kV (HBM)

●Applications

Wheel keys (zero-contact selection dials), trackballs, and other interface applications.

●Product Lineup

Supply current

(AVG)

Supply voltage Operation point Hysteresis

Period

(µs)

Product name

Output type

CMOS

Package

HVSOF5

(V)

(mT)

(µA)

BU52040HFV

1.65～3.30

+/-3.0^※

6.0

500

200

※Plus is expressed on the S-pole; minus on the N-pole

●Absolute Maximum Ratings

BU52040HFV (Ta = 25°C)

Parameters

Symbol

Limit

Unit

Power Supply Voltage

Output Current

V_DD

I_OUT

-0.1～4.5^※

± 0.5

°C

Power dissipation

536^※

Operating Temperature Range

T_opr

T_stg

-40～+85

Storage Temperature Range

-40～+125

°C

※1. Not to exceed Pd

※2. Reduced by 5.36mW for each increase in Ta of 1℃ over 25℃(mounted on 70mm×70 mm×1.6mm Glass-epoxy PCB)

www.rohm.com

2010.01 - Rev.B

1/12

12 3 4 5 6 7...13

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