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TMF8805 1D Time-of-Flight Sensor

Time-of-Flight sensor with 940nm integrated IR VCSEL in a 2.2mm x 3.6mm x 1.0mm optical module 1.8V I²C

Features

Direct ToF technology with high sensitivity SPAD detection
Fast Time-to-Digital Converter (TDC) architecture
Sub-nanosecond light pulse
20 – 2500mm distance sensing @ 30Hz
On-chip histogram processing
940nm VCSEL Class 1 Eye Safety
High performance on-chip sunlight rejection filter and algorithm
Industry’s smallest modular OLGA 2.2 x 3.6 x 1.0 mm package

Benefits

Delivers high SNR, wide dynamic range and no multi-path reflections
Enables dark and sunlight environment distance measurement within ±5%
Provides best-in-class resolution ranging mode detection sensing
Enables accurate distance measurements
Provides high accuracy, greater distance between cover glass, dynamic cover glass calibration, dirt or smudge removal and crosstalk compensation
Eye-safety circuitry stops VCSEL driver if VCSEL fault occurs
Optical filters with algorithm support enables high ambient light resilience
Reduce board space requirements, enables low-profile system designs in restricted space Industrial Designs

Product parameters

Supply Voltage [V]	2.7 - 3.3
I²C Bus [V]	1.8
Programmable	Mode setting, Repetition rate, Interrupt
Integrated Capabilities and Components	Ambient light immunity (100k lux to 0 lux)
Recommended Operating Distances [cm]	2 - 250
Temperature Range [°C]	-30 to 70
Package	OLGA, Pin Count 12

General description

The TMF8805 is a time-of-flight (TOF) sensor in a single modular package with associated VCSEL. The TOF device is based on SPAD, TDC and histogram technology. The device achieves 2500mm detection range.

This product suits for the following applications:

Laser Detect Auto-Focus (LDAF)
Presence detection
Industrial ranging
People counting
Object and collision avoidance
Fast ranging navigation detection
Inventory control
Optical switch
Low-power system buffering of 3D cameras

Tools

Title	Category	Headline	Buy
TMF8805 Eval Kit	Application Board	Evaluation Kit for TMF8805

Resources

Type	Description	Language
Application Data	TMF8x0x Linux EVM Board Schematic and Layout	English
Evaluation Software	TMF8X0X_EvalSW_v2-2-18.exe	EN
Firmware	TMF8805_FW_v3.0.22.0.zip Firmware	EN
Driver	TMF8805_Driver_pLinux_v3.0.18.0.zip	EN
Driver	TMF8805_Driver_BareMetalMCU_v3.0.19.0.zip	EN

Technical documents

Type	Description	Language
Datasheet	TMF8805 Datasheet	English
Application Note	TMF8X0X Optical Design Guide	English
Application Note	TMF8X0X Linux Device Driver ABI	English
Application Note	I2C Commands to Control TMF8701/TMF8801/TMF8805	English
Application Note	ams Optical Sensors Design Recommendations for System EMI and ESD	English
Technical Note	TMF8805 Laser Safety Certificate	English

Environmental documents

	Type	Description	Language
	RoHS Certificate	RoHS Certificate TMF8805	English

Other information

Type	Description	Language
Block Diagram	TMF8805 Block Diagram	English
Factsheet	1D Time-of-Flight Sensing (Factsheet for TMF8805)	English
Image	TMF8805 picture (top)	English
Image	TMF8805 picture (top_perspective)	English
Image	TMF8805 picture (bottom)	English
Image	TMF8805 picture (bottom_perspective)	English