A3210-LH

更新时间： 2024-02-26 01:02:43

品牌	Logo	应用领域
急速微 - ALLEGRO		开关
页数	文件大小	规格书
12页	224K
描述
MICROPOWER, ULTRA-SENSITIVE HALL-EFFECT SWITCHES

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A3210-LH 数据手册

3210 ^AND

3209

MICROPOWER, ULTRA-SENSITIVE

HALL-EFFECT SWITCHES

The A3209Ex and A3210Ex integrated circuits are ultra-sensitive, pole

independent Hall-effect switches with a latched digital output. They are

especially suited for operation in battery-operated, hand-held equipment such as

cellular and cordless telephones, pagers, and palmtop computers. 2.5 volt to

3.5 volt operation and a unique clocking scheme to reduce the average operat-

ing power requirements – the A3209Ex to 400 µW, the A3210Ex to 25 µW!

Except for operating duty cycle and average operating current, the A3209Ex

and A3210Ex are identical.

Package Suffix ‘LH’ Pinning

Unlike other Hall-effect switches, either a north or south pole of sufficient

strength will turn the output on; in the absence of a magnetic field, the output is

off. The polarity independence and minimal power requirement allows these

devices to easily replace reed switches for superior reliability and ease of

manufacturing, while eliminating the requirement for signal conditioning.

Improved stability is made possible through chopper stabilization (dynamic

offset cancellation), which reduces the residual offset voltage normally caused

by device overmolding, temperature dependencies, and thermal stress.

These devices include on a single silicon chip a Hall-voltage generator,

small-signal amplifier, chopper stabilization, a latch, and a MOSFET output.

Advanced BiCMOS processing is used to take advantage of low-voltage and

low-power requirements, component matching, very low input-offset errors,

and small component geometries.

Dwg. PH-016-1

The A3209Ex and A3210Ex are rated for operation over a temperature

range of -40°C to +85°C. Two package styles provide a magnetically opti-

mized package for most applications. Suffix ‘LH’ is a miniature low-profile

surface-mount package while suffix ‘UA’ is a three-lead ultra-mini-SIP for

through-hole or surface mounting.

Pinning is shown viewed from branded side.

ABSOLUTE MAXIMUM RATINGS

at T = +25°C

FEATURES

I Micropower Operation

Supply Voltage, V_DD............................. 5 V

Magnetic Flux Density, B .......... Unlimited

Output Off Voltage, V_OUT..................... 5 V

Output Current, I_OUT.......................... 1 mA

Junction Temperature, T_J............... +170°C

I Operate With North or South Pole

I 2.5 V to 3.5 V Battery Operation

I Chopper Stabilized

Superior Temperature Stability

Extremely Low Switch-Point Drift

Insensitive to Physical Stress

Operating Temperature Range,

I ESD Protected to 5 kV

I Solid-State Reliability

T_A............................... -40°C to +85°C

Storage Temperature Range,

I Small Size

T_S.............................. -65°C to +170°C

I Easily Manufacturable With Magnet Pole Independence

Caution: These CMOS devices have input

static protection (Class 3) but are still

susceptible to damage if exposed to

extremely high static electrical charges.

Always order by complete part number: the prefix ‘A’ + the basic four-digit

part number + the suffix ‘E’ to indicate operating temperature range + a

suffix to indicate package style, e.g., A3210ELH .

12 3 4 5 6 7...12

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与A3210-LH相关器件

型号	品牌	获取价格	描述	数据表
A3210-UA	ALLEGRO	获取价格	MICROPOWER, ULTRA-SENSITIVE HALL-EFFECT SWITCHES
A3210UA-LC	ALLEGRO	获取价格	MICROPOWER, ULTRA-SENSITIVE HALL-EFFECT SWITCHES
A3211	ALLEGRO	获取价格	Micropower, Ultra-sensitive Hall-effect Switches
A3211EEHLT-T	ALLEGRO	获取价格	Micropower, Ultra-sensitive Hall-effect Switches
A3211EELLT-T	ALLEGRO	获取价格	Micropower, Ultra-sensitive Hall-effect Switches
A3211ELHLT-T	ALLEGRO	获取价格	Micropower, Ultra-sensitive Hall-effect Switches
A3211ELHLX-T	ALLEGRO	获取价格	Analog Circuit,
A3211EUA-T	ALLEGRO	获取价格	Analog Circuit, 1 Func, BICMOS, PSIP3, LEAD FREE, SIP-3
A3212	ALLEGRO	获取价格	MICROPOWER, ULTRA-SENSITIVE HALL-EF FECT SWITCH
A321-2	AMPHENOL	获取价格	Circular Connector, 21 Contact(s), Aluminum Alloy, Female, Receptacle,

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