ダイレクトタイムオブフライト（dToF）センサ

ams OSRAMが提供する低電力タイムオブフライトセンシング技術により、ホストシステムは距離を正確かつ非常に高速で測定できます。

ダイレクトタイムオブフライト（dToF）センサ

ams OSRAMのダイレクトタイムオブフライト（dToF）センサは、完全統合された小型モジュールにて、最大5mの範囲で素早く正確に距離を測定します。シングル構成とマルチゾーン構成の両方で提供されるこれらのデバイスは、モバイルデバイスでのレーザー検出オートフォーカス（LDAF）、コンピューティングでセキュリティと省エネルギーを強化するための人物の登場検出、電子ロックと認証システム、家庭用および産業ロボットでの障害物検出と衝突回避など、広範囲な距離測定アプリケーションのソリューションとなります。

ams OSRAMのダイレクトタイムオブフライト（dToF）センサは、非常に狭いパルス幅を有する独自のSPAD（Single Photon Avalanche Photodiode）ピクセル設計および時間 - デジタル変換器（TDC）に基づいています。対象物から反射された940nm垂直共振器面発光レーザー（VCSEL）エミッタ赤外線のダイレクトタイムオブフライト（dToF）をリアルタイムで測定することができます。

ams OSRAMによるワールドフェーシングモバイルおよびXRウェアラブル向けのダイレクトタイムオブフライト（dToF）技術は、他の実装方法よりも範囲を大きくし、かつ消費電力を低く抑えることを目標としています。モバイルデバイスのOEMによる統合作業を最小限にするため、3D dToFシステムは、光学センシングからシーン再構成、RGBカメラとの統合まで、完全な技術スタックを提供します。

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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.

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="/-/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.