Product Overview
The ATS675 is a self-calibrating True Power-On State (TPOS) speed sensor IC optimized for automotive camshaft sensing. It offers improved accuracy and performs at zero target speed, providing true target state recognition at power-on. Key advantages include chopper stabilization for reduced offset drift, a digital output polarity option for customization, and automatic gain control (AGC) to eliminate air gap variations. The device ensures consistent switch points regardless of air gap and dynamically adapts to automotive operating conditions. It operates at supply voltages as low as 3.3 V and includes undervoltage lockout (UVLO).
Product Attributes
- Brand: Allegro MicroSystems
- Package: 4-pin SIP (suffix SE)
- Lead Plating: 100% matte tin
- Certifications: Lead (Pb) free
Technical Specifications
| Part Number | Output Protocol | Packing* | Output Polarity | Supply Voltage (VCC) | Operating Ambient Temperature (TA) | Max Junction Temperature (TJ(max)) | Operational Air Gap Range (AGTPOS) | Extended Air Gap Range (AGEXTMAX) | Tooth Speed (fSIG) | Power-On Time (tPO) | Output Fall Time (tf(OUT)) |
| ATS675LSETN-LT-T | Output low opposite target tooth | 13-in. reel, 450 pieces per reel | Low opposite to Tooth (On) / High opposite to Valley (Off) | 3.3 24 V | 40 to 150 C | 165 C | 0.5 3.0 mm | 3.0 4.5 mm | 0 8000 Hz | 1 ms | 0.8 1.5 s (VPU=5V) / 1.6 s (VPU=12V) |
| ATS675LSETN-HT-T | Output high opposite target tooth | 13-in. reel, 450 pieces per reel | High opposite to Tooth (Off) / Low opposite to Valley (On) | 3.3 24 V | 40 to 150 C | 165 C | 0.5 3.0 mm | 3.0 4.5 mm | 0 8000 Hz | 1 ms | 0.8 1.5 s (VPU=5V) / 1.6 s (VPU=12V) |
2105241240_ALLEGRO-ATS675LSETN-LT-T_C545188.pdf
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