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ams OSRAM TMF8801 1D Time-of-Flight Distance Sensors

ams OSRAM TMF8801 1D Time-of-Flight Distance Sensors offer highly accurate depth accuracy detection through a sub-nanosecond light pulse and an anti-aliasing "stop-watch" method to measure the round-trip time of the pulse. The TMF8801 provides single-zone detection of an object irrespective of color, reflectivity, and texture. These modules with a VCSEL emitter offer a high dynamic range and detection sensing measurements with a 20mm to 2500mm distance range. TMF8801 utilizes highly sensitive Single-Photon Avalanche Diode (SPAD) detection with fast, compact time-to-digital converters to make highly accurate distance measurements within ±5%. It can operate in dark environments and in the presence of sunlight.

The on-chip histogram processing of the TMF8801 enables the device to detect cover glass and compensate for dirt, smudges, or contaminants, ensuring a high Signal-to-Noise Ratio (SNR). The histogram delivers dynamic cover glass calibration and crosstalk compensation, while background light noise is minimized through on-chip sunlight rejection filters. Data output is handled through a 1.8V, I2C fast-mode communications interface.

Features

  • Direct ToF technology with high sensitivity SPAD detection
  • Fast Time-to-Digital Converter (TDC) architecture
  • Enables dark and sunlight environment distance measurement within ±5%
  • Sub-nanosecond light pulse
  • 20mm to 2500mm distance sensing at 30Hz
  • On-chip histogram processing
  • 940nm VCSEL Class 1 Eye Safety
  • Sunlight on-chip rejection filter and algorithm
  • 2.7V to 3.3V supply voltage range
  • -30°C to +70°C operating temperature range
  • Compact  2.2mm x 3.6mm x 1.0mm Organic Land Grid Array (OLGA) package

Applications

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

Videos

Block Diagram

Block Diagram - ams OSRAM TMF8801 1D Time-of-Flight Distance Sensors

Package Outline

Mechanical Drawing - ams OSRAM TMF8801 1D Time-of-Flight Distance Sensors

Documents

Application Notes

Safety

Development Tools

TMF8801-EVM Evaluation Kit

ams OSRAM TMF8801-EVM Evaluation Kit

Configured to evaluate the operation of the TMF8801 1D ToF sensor.

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Publicado: 2019-12-06 | Actualizado: 2023-07-12