Datasheet > A3054SU-24

A3054SU-24

更新时间： 2024-02-27 01:14:25

品牌	Logo	应用领域
急速微 - ALLEGRO		输出元件传感器换能器
页数	文件大小	规格书
10页	127K
描述
Hall Effect Sensor, 0.5mT Min, 30mT Max, 3.90V, Rectangular, Through Hole Mount, 0.060 INCH, PLASTIC, SIP-3

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A3054SU-24 技术参数

生命周期：	Obsolete	Reach Compliance Code：	unknown
风险等级：	5.82	其他特性：	IT ALSO HAVE OUTPUT RESISTANCE OF 50000 OHM
主体宽度：	1.55 mm	主体高度：	4.53 mm
主体长度或直径：	4.58 mm	外壳：	PLASTIC
滞后：	5 mT	最大磁场范围：	30 mT
最小磁场范围：	0.5 mT	安装特点：	THROUGH HOLE MOUNT
最大工作电流：	20 mA	最高工作温度：	85 °C
最低工作温度：	-20 °C	输出接口类型：	2-WIRE INTERFACE
输出范围：	3.90V	输出类型：	ANALOG VOLTAGE
封装形状/形式：	RECTANGULAR	电阻：	200 Ω
传感器/换能器类型：	MAGNETIC FIELD SENSOR,HALL EFFECT	最大供电电压：	15 V
表面贴装：	NO	端接类型：	SOLDER
Base Number Matches：	1

A3054SU-24 数据手册

3054

MULTIPLEXED

TWO-WIRE

HALL-EFFECT SENSOR ICs

ofthe address cycle. This response may be

used as an indication that the sensor is "alive

and well" on the bus and is called the diag-

nostic response. If the sensor detects an

ambient magnetic field, it continues with I_S

during the low portion of the address cycle.

This response from the sensor is called the

signal response. When the next positive

(address) transition is detected, the sensor

becomes disabled, and its contribution to the

bus signal current returns to I_Q.

TYPICAL DEVICE QUIESCENT CURRENT

2.0

1.5

1.0

Bus Current

Figure 1 shows the addressing protocol.

The top trace represents the bus voltage

transitions as controlled by the bus driver

(see Applications Notes for an optimal bus

driver schematic). The second trace repre-

sents the bus current contribution of Sensor

02. The diagnostic response from the sensor

indicates that it detected its address on the

bus. However, no signal current is shown,

which indicates that sufficient magnetic field

is not detected at the chip surface and that

pin 3 is open circuited. The third trace

represents the current drain of Sensor 03

when a magnetic field is detected. Note both

the diagnostic and signal currents from the

sensor. The last trace represents the overall

bus current drain. When no sensors are

addressed, the net bus current is the sum of

quiescent currents of all sensors on the bus

(for 'n' sensors, the bus current drain is

n • I_Q).

= +25°C

0.5

SUPPLY VOLTAGE, VBUS IN VOLTS

Dwg. GH-045

FIGURE 2

SENSOR CONNECTIONS

POSITIVE BUS SUPPLY

Bus Issues

After a reset, while at the address LOW

voltage (VL), and before the first address

pulse, bus current calibration may be per-

formed. This feature allows for fail-safe

detection of signal current and eliminates

detection problems caused by low signal

current (I_S), the operation of sensors at

various ambient temperatures, lot-to-lot

variation of quiescent current, and the

addition or replacement of sensors to the bus

while in the field. At present, a maximum of

30 active sensors can coexist on the same

bus, each with a different address. Address

SWITCH

BUS RETURN

Dwg. EH-004

www.allegromicro.com

1 2 3 456 7 8...10

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与A3054SU-24相关器件

型号	品牌	描述	获取价格	数据表
A3054SU-25	ALLEGRO	Hall Effect Sensor, 0.5mT Min, 30mT Max, 3.90V, Rectangular, Through Hole Mount, 0.060 INC	获取价格
A3054SU-28	ALLEGRO	Hall Effect Sensor, 0.5mT Min, 30mT Max, 3.90V, Rectangular, Through Hole Mount, 0.060 INC	获取价格
A3054SU-30	ALLEGRO	Hall Effect Sensor, 0.5mT Min, 30mT Max, 3.90V, Rectangular, Through Hole Mount, 0.060 INC	获取价格
A3054SU-XX	ALLEGRO	Sensor/Transducer, BICMOS, 3 Pin, Plastic/epoxy	获取价格
A305502	COOPER	Barrier Strip Terminal Block, 30A, 1 Row(s), 1 Deck(s)	获取价格
A305503	COOPER	30 A, BARRIER STRIP TERMINAL BLOCK, 1 ROW, 1 DECK	获取价格

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