Datasheet > 传感器/换能器 > 磁场传感器> A3064LKA-TL

A3064LKA-TL

更新时间： 2024-02-13 08:01:48

品牌	Logo	应用领域
急速微 - ALLEGRO		传感器换能器磁场传感器
页数	文件大小	规格书
8页	144K
描述
HALL-EFFECT GEAR-TOOTH SENSOR -AC COUPLED

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A3064LKA-TL 技术参数

生命周期：	Obsolete	Reach Compliance Code：	unknown
风险等级：	5.82	Is Samacsys：	N
主体宽度：	1.55 mm	主体高度：	4.53 mm
主体长度或直径：	6.33 mm	外壳：	PLASTIC
滞后：	1.5 mT	最大磁场范围：	2.75 mT
最小磁场范围：	1.25 mT	安装特点：	THROUGH HOLE MOUNT
最大工作电流：	20 mA	输出范围：	0.14-0.40V
输出类型：	DIGITAL VOLTAGE	封装形状/形式：	RECTANGULAR
传感器/换能器类型：	MAGNETIC FIELD SENSOR,HALL EFFECT	表面贴装：	NO
端接类型：	SOLDER	Base Number Matches：	1

A3064LKA-TL 数据手册

3064

HALL-EFFECT GEAR-TOOTH SENSOR

—AC COUPLED

The A3064LKA ac-coupled Hall-effect gear-tooth sensor is a

monolithic integrated circuit that switches in response to changing

differential magnetic fields created by moving ferrous targets. This

device is ideal for use in non-zero-speed, gear-tooth-based speed,

position, and timing applications such as in anti-lock braking systems,

transmissions, and crankshafts.

When coupled with a back-biasing magnet, the sensor can be

configured to turn on or off with the leading or trailing edge of a gear-

tooth or slot. Changes in fields on the magnet face caused by a moving

ferrous mass are sensed by two integrated Hall transducers and are

differentially amplified by on-chip electronics. This differential

sensing design provides immunity to radial vibration within the

device’s operating air gap. Steady-state magnet and system offsets are

eliminated using an on-chip differential band-pass filter. This filter

also provides relative immunity to interference from RF and electro-

magnetic sources. The on-chip temperature compensation and Schmitt

trigger circuitry minimizes shifts in effective working air gaps and

switch points over temperature, allowing operation to low frequencies

over a wide range of air gaps and temperatures.

Dwg. PH-011-1

Each Hall-effect digital Integrated circuit includes a voltage

regulator, two quadratic Hall-effect sensing elements, temperature

compensating circuitry, a low-level amplifier, band-pass filter, Schmitt

trigger, and an open-collector output driver. The on-board regulator

permits operation with supply voltages of 4.5 to 24 volts. The output

stage can easily switch 20 mA over the full frequency response range

of the sensor and is compatible with bipolar and MOS logic circuits.

Pinning is shown viewed from branded side.

The device is packaged in a 5-pin plastic SIP.

ABSOLUTE MAXIMUM RATINGS

at T_A= +25°C

FEATURES

Supply Voltage, V_CC............................. 24 V

Reverse Battery Voltage, V_RCC.......... -30 V

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

Output Off Voltage, V_OUT...................... 24 V

Output Current, I_OUT......................... 25 mA

Package Power Dissipation,

■ Senses Motion of Ferrous Targets

■ Wide Operating Temperature Range

■ Operation to 30 kHz

■ Resistant to EMI

■ Large Effective Air Gap

■ 4.5 V to 24 V Operation

P_D............................................ 500 mW

Operating Temperature Range,

■ Output Compatible With All Logic Families

■ Reverse Battery Protection

■ Resistant to Physical Stress

T_A............................... -40°C to +150°C

Storage Temperature Range,

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

Always order by complete part number, e.g., A3064LKA .

12 3 4 5 6 7 8

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