CH-101 miniature, ultra-low-power ultrasonic Time-of-Flight (ToF) range sensor Datasheet
●The CH-101 is a miniature, ultra-low-power ultrasonic Time-of-Flight (ToF) range sensor. Based on Chirp’s patented MEMS technology, the CH-101 is a system-in-package that integrates a PMUT (piezoelectric micromachined ultrasonic transducer) together with an ultra-low-power SoC (system on chip) in a miniature, reflowable package. The SoC runs Chirp’s advanced ultrasonic DSP algorithms and includes an integrated microcontroller that provides digital range readings via I^2C.
●Complementing Chirp’s other ultrasonic ToF sensor products, the CH-101 provides accurate range measurements to targets at distances up to 1.2 m. Using ultrasonic pulse-echo measurements, the sensor works in any lighting conditions, including full sunlight, and provides millimeter-accurate range measurements independent of the target’s color and optical transparency. The sensor’s wide Field-of-View (FoV) enables simultaneous range measurements to multiple objects in the FoV.
■FEATURES:
●Fast, accurate range-finding
▲Operating range from 4 cm to 1.2 m
▲Sample rate up to 100 samples/sec
▲1.0 mm RMS range noise at 30 cm range
▲Programmable modes optimized for medium and short-range sensing applications
▲Customizable field of view (FoV) up to 180°
▲Multi-object detection
▲Works in sunlight and any other lighting
▲Insensitive to object color, detects optically transparent surfaces like glass windows
●Easy to integrate
▲Single sensor for receive and transmit •Single 1.8V supply
▲I2C Fast-Mode compatible interface, data rates up to 400 kbps
▲Dedicated programmable range interrupt pin
▲Platform-independent software driver enables turnkey range-finding
●Miniature integrated module
▲Compatible with standard SMD reflow
▲Low-power micro-controller running advanced ultrasound firmware
▲Operating temperature range: -40°C to 85°C
●Ultra-low supply current
▲1 sample/s:
◆13 μA (10 cm max range)
◆15 μA (1.0 m max range)
▲30 samples/s:
◆33 μA (10 cm max range)
◆130 μA (1.0 m max range)
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miniature, ultra-low-power ultrasonic Time-of-Flight (ToF) range sensor |
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[ Augmented and Virtual Reality ][ Drones and Robotics ][ Mobile and Computing Devices ][ Obstacle avoidance ][ Printers and Scanners ][ Proximity sensing ][ Presence detection: always-on sensing to lock/unlock and power on/off notebooks, tablets, white goods, etc ][ Smart Home ] |
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Datasheet |
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Please see the document for details |
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LGA |
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English Chinese Chinese and English Japanese |
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2021/06/10 |
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Revision: 1 |
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DS-000331 |
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1.6 MB |
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