ATS665LSG

更新时间： 2024-01-23 19:52:05

品牌	Logo	应用领域
急速微 - ALLEGRO		传感器
页数	文件大小	规格书
18页	532K
描述
True Zero Speed, High Accuracy, Gear Tooth Sensor

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技术参数
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ATS665LSG 技术参数

是否Rohs认证：	不符合	生命周期：	Obsolete
包装说明：	SIP4,.18,50	Reach Compliance Code：	compliant
风险等级：	5.89	其他特性：	DUAL OUTPUT
主体宽度：	5.5 mm	主体高度：	7 mm
主体长度或直径：	7.8 mm	外壳：	PLASTIC
最大测量范围（毫米）：	2.5 mm	最小测量范围（毫米）：	0.5 mm
安装特点：	THROUGH HOLE MOUNT	端子数量：	4
最大工作电流：	14 mA	最高工作温度：	150 °C
最低工作温度：	-40 °C	输出：	OPEN-COLLECTOR
输出极性：	INVERTING	输出范围：	0.40V
输出类型：	DIGITAL VOLTAGE	封装主体材料：	PLASTIC/EPOXY
封装等效代码：	SIP4,.18,50	封装形状/形式：	ROUND
电源：	3.6/24 V	响应时间：	0.2 µs
传感器/换能器类型：	PROXIMITY SENSOR,HALL EFFECT	子类别：	Other Sensors
最大供电电压：	24 V	最小供电电压：	3.3 V
表面贴装：	NO	技术：	BICMOS
端接类型：	SOLDER	Base Number Matches：	1

ATS665LSG 数据手册

ATS665LSG

True Zero Speed,

High Accuracy, Gear Tooth Sensor

The ATS665 true zero-speed gear tooth sensor is an optimized

Hall IC/magnet configuration packaged in a molded module that

provides a user-friendly solution for digital gear tooth sensing

applications. The sensor module consists of an over-molded

package, which holds together a samarium cobalt magnet, a pole

piece and a true zero-speed Hall IC that has been optimized to the

magnetic circuit. This small package can be easily assembled and

used in conjunction with gears of various shapes and sizes.

The sensor incorporates a dual element Hall IC that switches in

response to differential magnetic signals created by a ferrous

target. The IC contains a sophisticated compensating circuit

designed to reduce the detrimental effects of magnet and system

offsets. Digital processing of the analog signal provides zero speed

performance independent of air gap and also dynamic adaptation of

device performance to the typical operating conditions found in

automotive applications (reduced vibration sensitivity). High-

resolution peak detecting DACs are used to set the adaptive

switching thresholds of the device. Hysteresis in the thresholds

reduces the negative effects of any anomalies in the magnetic

signal associated with the targets used in many automotive

applications.

Pin 1: V_CC

Pin 2: V_OUT

Pin 3: Tie to Gnd or Float

Pin 4: Gnd

This sensor’s ability to provide tight duty cycle at high speeds

and over a wide temperature range makes it ideal for transmission

and industrial speed applications. The ATS665 is available in the

SG package in the automotive temperature range, -40° to 150° (L).

ABSOLUTE MAXIMUM RATINGS

Supply Voltage¹,

V_CC. . . . . . . . . . . . . . . . . . . . . . . . . . 26.5 V

Reverse Supply Voltage,

FEATURES & BENEFITS

ꢀTrue zero-speed operation

V_RCC. . . . . . . . . . . . . . . . . . . . . . . . . . –18 V

Reverse Output Current²,

ꢀSwitchpoints independent of air gap

ꢀHigh vibration immunity

_RCC. . . . . . . . . . . . . . . . . . . . . . . . . . . 50 mA

ꢀPrecise duty cycle signal over operating temperature range

ꢀLarge operating air gaps

Continuous Output Current,

I_OUT. . . . . . . . . . . . . . . . . . . . . . . . . . 20 mA

Ambient Operating Temperature Range,

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

Storage Temperature,

ꢀDefined power-on state

ꢀWide operating voltage range

ꢀDigital output representing target profile

ꢀSingle-chip sensing IC for high reliability

ꢀSmall mechanical size

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

Maximum Junction Temperature,

ꢀOptimized Hall IC magnetic system

ꢀ200 µs power-on time at gear speed < 100 rpm

ꢀAGC and reference adjust circuit

ꢀUnder-voltage lockout

T_Jmax. . . . . . . . . . . . . . . . . . . . . . . . . 165° C

Maximum Junction Temperature – 100 Hours,

_Jmax. . . . . . . . . . . . . . . . . . . . . . . . . 185° C

¹Refer to power de-rating curve

Use complete part number when ordering: ATS665LSG.

²V_OUT≥ -0.5V

12 3 4 5 6 7...18

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