range sensor. CH-101 Datasheet

CH-101 Datasheet PDF


Part Number

CH-101

Description

ultra-low-power ultrasonic Time-ofFlight (ToF) range sensor

Manufacture

TDK

Total Page 20 Pages
Datasheet
Download CH-101 Datasheet


CH-101
CH-101 Datasheet
DS-000331
CH-101 Datasheet
Chirp Microsystems reserves the right to change
specifications and information herein without notice.
Chirp Microsystems
2560 Ninth Street, Ste 200, Berkeley, CA 94710 U.S.A
+1(510) 640–8155
www.chirpmicro.com
Document Number: DS-000331
Revision: 1.0
Release Date: 09/30/2019

CH-101
GENERAL INFORMATION
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 I2C.
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.
DEVICE INFORMATION
PART NUMBER
PACKAGE
CH-101
3.5 x 3.5 x 1.26mm LGA
RoHS and Green-Compliant Package
LID OPENING
1-Hole
DS-000331
APPLICATIONS
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
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:
o 13 µA (10 cm max range)
o 15 µA (1.0 m max range)
30 samples/s:
o 33 µA (10 cm max range)
o 130 µA (1.0 m max range)
Document Number: DS-000331
Revision: 1.0
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