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ATS672LSB-LT

更新时间： 2024-02-21 19:38:16
品牌 Logo 应用领域
急速微 - ALLEGRO 传感器
页数 文件大小 规格书
12页 253K
描述
Self-Calibrating TPO Gear-Tooth Sensor with 9-Bit Signal Capture

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ATS672LSB-LT 技术参数

是否Rohs认证： 不符合生命周期：Obsolete
零件包装代码：SIP包装说明：,
针数：4Reach Compliance Code：compliant
HTS代码：8542.39.00.01风险等级：5.91
模拟集成电路 - 其他类型：ANALOG CIRCUITJESD-30 代码：O-PSSS-T4
JESD-609代码：e0功能数量：1
端子数量：4最高工作温度：150 °C
最低工作温度：-40 °C封装主体材料：PLASTIC/EPOXY
封装形状：ROUND封装形式：SPECIAL SHAPE
峰值回流温度（摄氏度）：240认证状态：Not Qualified
最大供电电压 (Vsup)：26.5 V最小供电电压 (Vsup)：3.3 V
表面贴装：NO温度等级：AUTOMOTIVE
端子面层：TIN LEAD端子形式：THROUGH-HOLE
端子位置：SINGLE处于峰值回流温度下的最长时间：NOT SPECIFIED
Base Number Matches：1

ATS672LSB-LT 数据手册

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ATS672LSB  
Preliminary – Subject to Change  
Self-Calibrating TPO Gear-Tooth Sensor with  
PIN OUT DIAGRAM  
9-Bit Signal Capture  
The ATS672LSB true zero-speed gear-tooth sensors are  
optimized Hall IC/magnet configurations packaged in a single in-  
line package (SIP) that provides a user-friendly solution for digital  
gear-tooth-sensing applications. The SIP 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.  
4 3 2 1  
The sensor incorporates a single-element Hall IC that switches  
in response to magnetic signals created by a ferrous target. The  
IC contains a sophisticated digital circuit designed to eliminate the  
detrimental effects of magnet and system offsets. Signal  
processing is used to provide zero-speed performance  
independent of air gap and also to dynamically adapt device  
performance to the typical operating conditions found in  
automotive applications (reduced vibration sensitivity). High-  
resolution (9-bit) 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 (such as magnetic overshoot).  
Pin 1: VCC  
Pin 2: VOUT  
Pin 3: Test Pin (Tie to GND)  
Pin 4: Gnd  
The ATS672LSB also includes a low-bandwidth filter that  
increases the noise immunity and the signal-to-noise ratio of the  
sensor. These features result in potential improvements in both  
the timing accuracy and the jitter performance of the device. The  
ATS672LSB sensor system is optimized for cam applications.  
Four versions of this device are available. The sensor can be  
chosen to have a high or low output signal in response to a “tooth”.  
The sensor is also available with and without TPOS (true power on  
state) capability. The low-on-tooth sensor without TPOS is  
available through general sales. (Part # ATS672LSB-LN). For  
other versions please contact the factory. Some restrictions may  
apply.  
ABSOLUTE MAXIMUM RATINGS  
Supply Voltage,  
VCC . . . . . . . . . . . . . . . . . . . . . . . . . . 28 V  
Reverse Supply Voltage,  
VR . . . . . . . . . . . . . . . . . . . . . . . . . . . . –18 V  
Reverse Current Through Output,  
IR . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50 mA  
Continuous Output Current,  
FEATURES  
Œ Tight timing accuracy over temperature  
Œ True zero-speed operation  
Œ True power-on sensing  
I
OUT . . . . . . . . . . . . . . . . . . . . . . . . . . 20 mA  
Œ Air gap independent switch points  
Œ High vibration immunity  
Storage Temperature,  
TS . . . . . . . . . . . . . . . . . . . . . . . . . . . 170° C  
Package Power Rating,  
Œ Large operating air gaps  
Œ Operation down to 3.3 V  
R
θJA. . . . . . . . . . . . . . . . . . . ~150°C/W  
Œ Digital output representing target profile  
Œ Single-chip solution for high reliability  
Œ Small mechanical size  
Maximum Junction Temperature,  
Jmax . . . . . . . . . . . . . . . . . . . . . . . . . 170° C  
Maximum Junction Temperature – 100 Hours,  
Jmax . . . . . . . . . . . . . . . . . . . . . . . . . 180° C  
T
Œ Optimized Hall IC magnetic system  
Œ AGC and reference-adjust circuit  
Œ Undervoltage lockout  
T
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