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Time-of-Flight Sensor. TMF8805 Datasheet

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Time-of-Flight Sensor. TMF8805 Datasheet
















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Part

TMF8805

Description

Time-of-Flight Sensor



Feature


Datasheet DS000692 TMF8805 Time-of-Fligh t Sensor v4-00 • 2021-Jul-08 Abstract The TMF8805 is a dToF (direct time of flight) optical distance sensor module achieving up to 2500mm target detection distance. Document Feedback TMF8805 Content Guide Content Guide 1 Genera l Description ...................... 3 8.5 INT_STATUS Register (Address 0xE1) .....22 8.6 INT_E.
Manufacture

ams

Datasheet
Download TMF8805 Datasheet


ams TMF8805

TMF8805; NAB Register (Address 0xE2)..........23 1.1 Key Benefits & Features.......... ..................... 3 8.7 ID Regist er (Address 0xE3)...................... ..23 1.2 Applications ............... ................................... 4 8.8 REVID Register (Address 0xE4) .... ............24 1.3 Block Diagram .... ....................................... ... 4 8.9 App0 R.


ams TMF8805

egisters – appid=0xC0................. ...24 2 Ordering Information ........ ............ 5 8.10 Bootloader Register s – appid=0x80 ...........52 3 Pin Assignment ............................ . 6 9 Application Information......... ...... 56 3.1 3.2 Pin Diagram........ ....................................... ... 6 Pin Description ................. .......................


ams TMF8805

...... 6 9.1 9.2 9.3 SPAD Options .... ....................................... .56 Reference SPAD, TDC and Histogram . .....57 Schematic ..................... ..............................58 4 Ab solute Maximum Ratings ......... 8 9.4 PCB Layout ........................... .....................60 9.5 PCB Pad L ayout ................................. ........61 5 Ele.





Part

TMF8805

Description

Time-of-Flight Sensor



Feature


Datasheet DS000692 TMF8805 Time-of-Fligh t Sensor v4-00 • 2021-Jul-08 Abstract The TMF8805 is a dToF (direct time of flight) optical distance sensor module achieving up to 2500mm target detection distance. Document Feedback TMF8805 Content Guide Content Guide 1 Genera l Description ...................... 3 8.5 INT_STATUS Register (Address 0xE1) .....22 8.6 INT_E.
Manufacture

ams

Datasheet
Download TMF8805 Datasheet




 TMF8805
Datasheet
DS000692
TMF8805
Time-of-Flight Sensor
v4-00 2021-Jul-08
Abstract
The TMF8805 is a dToF (direct time of flight) optical distance sensor module achieving up to 2500mm
target detection distance.




 TMF8805
Document Feedback
TMF8805
Content Guide
Content Guide
1
General Description ...................... 3 8.5
INT_STATUS Register (Address 0xE1) .....22
8.6
INT_ENAB Register (Address 0xE2)..........23
1.1
Key Benefits & Features............................... 3
8.7
ID Register (Address 0xE3)........................23
1.2
Applications .................................................. 4
8.8
REVID Register (Address 0xE4) ................24
1.3
Block Diagram .............................................. 4
8.9
App0 Registers appid=0xC0....................24
2
Ordering Information .................... 5 8.10 Bootloader Registers appid=0x80 ...........52
3
Pin Assignment ............................. 6 9
Application Information............... 56
3.1
3.2
Pin Diagram.................................................. 6
Pin Description ............................................. 6
9.1
9.2
9.3
SPAD Options ............................................56
Reference SPAD, TDC and Histogram ......57
Schematic ...................................................58
4
Absolute Maximum Ratings ......... 8 9.4
PCB Layout ................................................60
9.5
PCB Pad Layout .........................................61
5
Electrical Characteristics ............. 9
10 Package Drawings & Markings... 62
5.1
Recommended Operating Conditions .......... 9
6
Typical Operating
11 Tape & Reel Information.............. 63
Characteristics .............................10 12 Soldering & Storage Information 64
7
Functional Description ................13 12.1 Soldering Information .................................64
12.2 Storage Information ....................................65
7.1
I²C Protocol................................................. 13
7.2
System Parameters .................................... 13
13
Laser Eye Safety .......................... 67
7.3
7.4
I/O ............................................................... 14
Power Consumption ................................... 15
14
Revision Information ................... 68
7.5
Timing......................................................... 16 15
Legal Information......................... 69
7.6
Algorithm Performance............................... 17
7.7
VCSEL ........................................................ 19
7.8
Typical Optical Characteristics ................... 19
8
Register Description ....................21
8.1
APPID Register (Address 0x00)................. 21
8.2
APPREV_MAJOR Register (Address
0x01)........................................................... 21
8.3
APPREQID Register (Address 0x02) ......... 21
8.4
ENABLE Register (Address 0xE0) ............. 22
Datasheet PUBLIC
DS000692 v4-00 2021-Jul-08
69 2




 TMF8805
Document Feedback
TMF8805
General Description
1 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 2500 mm
detection range.
1.1
Key Benefits & Features
The benefits and features of TMF8805, Time-of-Flight Sensor, are listed below:
Figure 1:
Added Value of Using TMF8805
Benefits
Features
Small footprint fits in the mobile phone bezel
Detecting central closest objects
Within 5 % of measurement (accuracy); no
multipath and no multiple object problems as
for iToF
Better accuracy detects reliably closest
object
Minimum distance 20 mm
Maximum distance 2500 mm
No complex calibration
Compensates for dirt on glass
Improved accuracy over temperature and life
Make better decisions
Class 1 Eye Safe
Longer battery life
Modular package - 2.2 mm x 3.6 mm x 1.0 mm
No influence on multi object reflections
Time-to-Digital Converter (TDC)
Direct Time-of-Flight Measurement
Single Photon Avalanche Photodiode (SPAD)
Histogram based architecture
Dynamic cover glass calibration
Reliable Operation under demanding use cases
Reference SPAD
Distance and signal quality reported
Fast VCSEL driver with protection
27 mA power consumption at 30 Hz operation
0.26 µA power-down current consumption (EN=0)
Datasheet PUBLIC
DS000692 v4-00 • 2021-Jul-08
69 3




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