342464 2464 - Sharp GP2Y0A41SK0F Analog Distance Sensor 4-30cm

2464 - Sharp GP2Y0A41SK0F Analog Distance Sensor 4-30cm

The GP2Y0A41SK0F Sharp analog distance sensor features a detection range of 1.5″ to 12″ (4 cm to 30 cm). The shorter range gives you higher resolution measurements, and the lower minimum detection distance makes this sensor great for detecting very close objects.
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€11.53 Price
€9.45 + VAT

 

Details

The GP2Y0A41SK0F Sharp analog distance sensor features a detection range of 1.5″ to 12″ (4 cm to 30 cm). The shorter range gives you higher resolution measurements, and the lower minimum detection distance makes this sensor great for detecting very close objects. The distance is indicated by an analog voltage, making this sensor very easy to use.

The Sharp distance sensors are a popular choice for many projects that require accurate distance measurements. This IR sensor is more economical than sonar rangefinders, yet it provides much better performance than other IR alternatives. Interfacing to most microcontrollers is straightforward: the single analog output can be connected to an analog-to-digital converter for taking distance measurements, or the output can be connected to a comparator for threshold detection. The detection range of this version is approximately 4 cm to 30 cm (1.5″ to 12″).

The GP2Y0A41 uses a 3-pin JST PH connector that works with our 3-pin JST PH cables for Sharp distance sensors (not included), as shown in the upper picture on the right. These cables have 3-pin JST connectors on one end and are available with pre-crimped male pins, pre-crimped female pins, and with unterminated wires on the other end. It is also possible to solder three wires to the sensor where the connector pins are mounted (see the lower picture to the right). When looking at the back, the three connections from left to right are power, ground, and the output signal.

Feature summary

  • Operating voltage: 4.5 V to 5.5 V
  • Average current consumption: 12 mA (note: this sensor draws current in large, short bursts, and the manufacturer recommends putting a 10 µF capacitor or larger across power and ground close to the sensor to stabilize the power supply line)
  • Distance measuring range: 4 cm to 30 cm (1.5″ to 12″)
  • Output type: analog voltage
  • Output voltage differential over distance range: 2.3 V (typical)
  • Update period: 16.5 ± 4 ms
  • Size: 44.5 mm × 18.9 mm × 13.5 mm (1.75″ × 0.75″ × 0.53″)
  • Weight: 3.5 g (0.12 oz)

Linearizing the output

The relationship between the sensor’s output voltage and the inverse of the measured distance is approximately linear over the sensor’s usable range. The GP2Y0A41SK0F datasheet (1MB pdf) contains a plot of analog output voltage as a function of the inverse of distance to a reflective object. You can use this plot to convert the sensor output voltage to an approximate distance by constructing a best-fit line that relates the inverse of the output voltage (V) to distance (cm).

Dimensions

Size: 1.75″ × 0.75″ × 0.53″
Weight: 3.5 g

General specifications

Maximum range: 30 cm
Minimum range: 4 cm
Sampling rate: 60 Hz1
Minimum operating voltage: 4.5 V
Maximum operating voltage: 5.5 V
Supply current: 12 mA2
Output type: analog voltage
Output voltage differential: 2.3 V

Notes:

1 Typical; can be as low as 50 Hz.
2 Average; this sensor draws current in large, short bursts, which is why it is recommended a 10 µF capacitor or larger be placed across power and ground close to the sensor.

Specifications

Part. No. : 2464

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