SparkFun Qwiic dToF Imager – TMF8820

SparkFun Qwiic dToF Imager – TMF8820 is a direct time-of-flight (dToF) sensor that includes a single modular package. It has an associated Vertical Cavity Surface Emitting Laser (VCSEL) from ams. The dToF device is based on a Single Photon Avalanche Photodiode (SPAD), time-to-digital converter (TDC), and histogram technology to achieve a 5000mm detection range.

Features

Operating Voltage
- 2.7V to 3.6V
- (typically 3.3V via Qwiic cable)
Current Consumption
- 8µA (standby)
- 57mA (active)
AMS TMF8821 Multi-zone Time-of-Flight Sensor
- Direct ToF technology with high sensitivity SPAD detection
- 3×3 configurable multi-zone configuration with multi-object detection
- Fast Time-to-Digital Converter (TDC) architecture
- Sub-nanosecond light pulse
- On-chip histogram processing
- High-performance on-chip sunlight rejection filter and algorithm
Measurement Range: 10mm to 5000mm @ 30Hz
Light Source: Class 1 940nm VCSEL

Field of View: adjustable up to 63° diagonally
Max Read Rate: up to 30Hz
2x Qwiic Connectors
I²C Address: 0x41
Operating Temperature Range
- -30°C to +70°C
Breakout Pads
- 1x Ground
- 1x Power
- 1x I²C Port
- 1x Interrupt
- 2x GPIO
- 1x Enable
Power LED (configurable via jumper)
I²C pull-ups (configurable via jumper)
Board Dimensions: 1.0″ x 1.0″ (2.54cm x 2.54cm)

SparkFun Qwiic dToF Imager – TMF8820

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