Direct time-of-flight sensors (dToF)

Low-power time-of-flight sensing technology from ams OSRAM enables host systems to measure distances accurately and at extreme speed.

Single-zone dToF webinar

Time-of-flight sensors whitepaper

Direct time-of-flight (dToF) sensors

ams OSRAM direct time-of-flight (dToF) sensors offer fast, precise distance measurement up to 5 meters, in a compact fully integrated module. Available in both single and multi-zone configurations, these devices provide solutions for a wide range of distance measurement applications including Laser Detect Auto Focus (LDAF) for mobile, human presence detection for enhanced security and power saving in computing, electronic locks & authentication systems and obstacle detection and collision avoidance for home and industrial robots.

ams OSRAM direct time-of-flight (dToF) sensors are based on proprietary SPAD (Single Photon Avalanche Photodiode) pixel design and time-to-digital converters (TDCs) which have an extremely narrow pulse width. They measure in real time the direct time-of-flight (dToF) of a 940nm VCSEL Vertical Cavity Surface Emitting Laser) emitter’s infrared ray reflected from an object.

ams OSRAM direct time-of-flight (dToF) technology for world-facing mobile and XR wearables aims to achieve higher range and lower power consumption than other implementations. To minimize integration effort for mobile device OEMs, our 3D dToF system provides a complete technology stack – from optical sensing through to scene reconstruction and integration with RGB camera.

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Seamless integration of single-zone direct Time-of-Flight sensors

Deep-dive in seamless integration of single-zone dToF Sensors for high accuracy in ultra low power mode. Join us for this engineer-to-engineer webinar where we will explore how the TMF8806 dToF sensor revolutionizes single-zone direct Time-of-Flight systems by combining cost-effectiveness, accuracy, and power efficiency. Our expert, David Smith, will dive into the sensor’s innovative features, including fast start-up times, industry-leading power consumption, and built-in firmware for seamless integration.

Learn more about:

The simplicity in I2C commands and register-level access and how it provides ease of customization and the ability to future-proof your designs
To leverage advanced preconfigured distance modes, superior accuracy of ±3% beyond 200mm, and simple calibration for improved manufacturability
How optimizing VCSEL pulse settings enhances signal quality and system performance tailored to your application needs and operating conditions
Industry leading ultra-low power mode in active ranging

Master your dToF design and register now

Time-of-Flight sensors white paper

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Learn how our ranging sensors in small, surface-mount packages are spreading from mobile to industrial and consumer applications.

Direct time-of-flight sensors (dToF) product list

Device name

Description

Product Area

Product Type

Sensor zones

Number of detection zones

Detection distance max.

Wafer level optical filters

Field of view

Operating ambient temperature min.

Operating ambient temperature max.

Supply voltage min.

Supply voltage max.

Supply voltage typ.

Wavelength

Package

Package dimension/Package dimension length typ.

Package dimension/Package dimension width typ.

Package dimension/Package dimension height typ.

Interface input

Interface output

ams TMF8806 1D Time-of-Flight Sensor

The TMF8806 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 500cm detection range which may be extended to 1000cm with a small firmware download.

Sensor solutions

Direct Time-of-Flight Sensors (dToF)

single

500 cm

30 °

-40 °C

85 °C

2.7 V

3.5 V

3.1 V

940 nm

OLGA12

3.6 mm

2.2 mm

1.0 mm

I²C

ams TMF8820 3x3 multi-zone Time-of-Flight Sensor

The TMF8820 is a direct time-of-flight (dToF) sensor in a single modular package with associated VCSEL. The dToF device is based on SPAD, TDC and histogram technology and achieves 5000 mm detection range. Due to its lens on the SPAD, it supports 3x3 multizone output data and a wide, dynamically adjustable, field of view. A multi-lens-array (MLA) inside the package above the VCSEL widens up the FoI (field of illumination). All processing of the raw data is performed on-chip and the TMF8820 provides distance information together with confidence values on its I2C interface.

Sensor solutions

Direct Time-of-Flight Sensors (dToF)

multi

500 cm

Yes

63 °

-40 °C

85 °C

2.7 V

3.5 V

3.0 V

940 nm

OLGA12

4.6 mm

2.0 mm

1.4 mm

I²C

ams TMF8821 configurable 4x4 multi-zone Time-of-Flight Sensor

The TMF8821 is a direct time-of-flight (dToF) sensor in a single modular package with associated VCSEL. The dToF device is based on SPAD, TDC and histogram technology and achieves 5000 mm detection range. Due to its lens on the SPAD, it supports 3x3, 4x4 and 3x6 multizone output data and a wide, dynamically adjustable, field of view. A multi-lens-array (MLA) inside the package above the VCSEL widens up the FoI (field of illumination). All processing of the raw data is performed on-chip and the TMF8821 provides distance information together with confidence values on its I2C interface.

Sensor solutions

Direct Time-of-Flight Sensors (dToF)

multi

500 cm

Yes

63 °

-40 °C

85 °C

2.7 V

3.5 V

3.0 V

940 nm

OLGA12

4.6 mm

2.0 mm

1.4 mm

I²C

ams TMF8828 configurable 8x8 multi-zone Time-of-Flight Sensor

The TMF8828 is a direct time-of-flight (dToF) sensor in a single modular package with associated VCSEL. The dToF device is based on SPAD, TDC and histogram technology and achieves 5000 mm detection range. Due to its lens on the SPAD, it supports 3x3, 4x4, 3x6 and 8x8 multizone output data and a wide, dynamically adjustable, field of view. A multi-lens-array (MLA) inside the package above the VCSEL widens up the FoI (field of illumination). All processing of the raw data is performed on-chip and the TMF8828 provides distance information together with confidence values on its I2C interface.

Sensor solutions

Direct Time-of-Flight Sensors (dToF)

multi

500 cm

Yes

63 °

-40 °C

85 °C

2.7 V

3.5 V

3.0 V

940 nm

OLGA12

4.6 mm

2.0 mm

1.4 mm

I²C

ams TMF8701 1D Time-of-Flight Sensor

The TMF8701 is a true direct time-of-flight (ToF) sensor system in a single modular package which offers highly accurate depth accuracy detection through a sub-nanosecond light pulse and an antialiasing “stop-watch” method to measure round-trip time of pulse. It provides single zone detection of an object irrespective of the color, reflectivity and texture of the object. The single module with VCSEL emitter offers high dynamic range and operates in either a proximity mode (0 – 10 cm) or a ranging mode (10 – 60 cm) for detection sensing. The device utilizes highly sensitive SPAD detection with fast compact time-to digital converters to make high accurate distance measurement within ±5% and is capable of operation in dark environments. A built-in histogram is featured to detect cover glass and objects behind glass to select object with highest SNR while compensating for dirt and smudges on cover glass to produce artifact free measurement of multiple objects. The histogram enables greater distance between cover glass, delivers dynamic cover glass calibration and crosstalk compensation. Class 1 eye safety is also featured through the narrow sub-nanosecond (<500 ps) fast pulse 940 nm VCSEL driver. Background light noise is minimized through on-chip superior sunlight rejection filter. Data output is through a 1.8V I²C fast-mode communications interface and an integrated micro controller is featured with all algorithms included on-chip with no need for external optics. <a href="https://ams-osram.com/news/press-releases/ams-tmf8701-true-direct-time-of-flight-tof-sensor-wins-best-of-sensors-innovation-and-the-company-scores-best-engineering-team-at-sensors-expo-2019" target="">The TMF8701 wins the Innovative Product of the Year Award at Sensors Expo 2019</a>

Sensor solutions

Direct Time-of-Flight Sensors (dToF)

single

60 cm

Yes

24 °

-30 °C

70 °C

2.7 V

3.3 V

3.0 V

940 nm

OLGA12

3.6 mm

2.2 mm

1.0 mm

I²C

ams TMF8801 1D Time-of-Flight Sensor

The TMF8801 is a true direct time-of-flight (ToF) sensor system in a single modular package which offers highly accurate depth accuracy detection through a sub-nanosecond light pulse and an antialiasing “stop-watch” method to measure round-trip time of pulse. It provides single zone detection of an object irrespective of the color, reflectivity and texture of the object. The single module with VCSEL emitter offers high dynamic range and detection sensing measurements from 2 – 250 cm distances. The device utilizes highly sensitive SPAD detection with fast compact time-to digital converters to make highly accurate distance measurements within ±5% and is capable of operation in dark environments and in the presence of sunlight. A built-in histogram is featured to detect cover glass and reports an object distances operating with the highest SNR while compensating for dirt and smudges contaminants on a products cover glass to produce artifact free measurement. The histogram delivers dynamic cover glass calibration and crosstalk compensation and background light noise is minimized through on-chip sunlight rejection filters. Data output is through a 1.8V I²C fast-mode communications interface and an integrated micro controller is featured with all algorithms included on-chip with no need for external optics.

Sensor solutions

Direct Time-of-Flight Sensors (dToF)

single

250 cm

Yes

24 °

-30 °C

70 °C

2.7 V

3.3 V

3.0 V

940 nm

OLGA12

3.6 mm

2.2 mm

1.0 mm

I²C

ams TMF8805 1D Time-of-Flight Sensor

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.

Sensor solutions

Direct Time-of-Flight Sensors (dToF)

single

250 cm

24 °

-30 °C

70 °C

2.7 V

3.3 V

3.0 V

940 nm

OLGA12

3.6 mm

2.2 mm

1.0 mm

I²C

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Direct time-of-flight sensors (dToF)

Direct time-of-flight (dToF) sensors

Seamless integration of single-zone direct Time-of-Flight sensors

Time-of-Flight sensors white paper

campaign form: white paper time-of-flight

Register for our time-of-flight sensors white paper

Direct time-of-flight sensors (dToF) product list

Direct time-of-flight sensors (dToF) product list

Featured Products

ams TMF8806 1D Time-of-Flight Sensor

ams TMF8828 configurable 8x8 multi-zone Time-of-Flight Sensor

ams TMF8805 1D Time-of-Flight Sensor

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Direct time-of-flight sensors (dToF)

Direct time-of-flight (dToF) sensors ​

Seamless integration of single-zone direct Time-of-Flight sensors

Time-of-Flight sensors white paper

campaign form: white paper time-of-flight

Register for our time-of-flight sensors white paper

Direct time-of-flight sensors (dToF) product list

Direct time-of-flight sensors (dToF) product list

Featured Products

ams TMF8806 1D Time-of-Flight Sensor

ams TMF8828 configurable 8x8 multi-zone Time-of-Flight Sensor

ams TMF8805 1D Time-of-Flight Sensor

Direct time-of-flight (dToF) sensors