AN48840B Panasonic, AN48840B Datasheet

AN48840B

Manufacturer Part Number

AN48840B

Description

Manufacturer

Panasonic

Datasheet

1.AN48840B.pdf (5 pages)

Specifications of AN48840B

Date_code

06+

Packing_info

SOT-353

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AN48840B, AN48841B

Low current consumption, high sensitivity CMOS Hall IC

Alternating magnetic ﬁ eld operation

(For low-speed rotation detection)

■ Overview

which has 2 times or more sensitivity and a low current consumption of

about one ﬁ ftieth compared with our conventional one.

circuit, a sample and hold circuit, a Schmidt circuit, and output stage

FET are integrated on a single chip housed in a small package by IC

technique.

■ Features

■ Applications

■ Block Diagram

■ Pin Descriptions

Publication date: October 2006

 High sensitivity (AN48840B: 6 mT max., AN48841B: 8 mT max.)

 Small current by using intermittent action

 Small package (SMD)

 CMOS inverter output (logic output form)

 Functional operation key, Mouse,

due to offset cancel circuit and a new sample and hold circuit

(Average supply current: 56 µA typ., Sampling period: 670 µs typ.)

Appliances for low-speed rotation detection

The AN48840B/AN48841B Series is a Hall ICs (a magnetic sensor)

In this Hall IC, a Hall element, a offset cancel circuit, an ampliﬁ er

Pin No.

Symbol

GND

N.C.

GND

Ground

element

Hall

Description



CLK

Switch

On/Off control

On/Of

Amplifier

Amplif

SPC00018AEB

N.C.

Pin No.

Sample

hold

Magnetic

flux density

AN48840B

output level

Symbol

Out

SMINI-5DA (Lead-free package)

N.C.

0.65 0.65

Power supply

Output

1.30

2.00

±0.10

0.10

Seating plane

0.22

Out

+0.10

−0.05

Description

0.13

Unit : mm

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