Sharp GP2Y0A710K0F Long-Range IR Distance Sensor (100cm to 550cm) with 5-Pin Cable

Measure long-range distances accurately with the Sharp GP2Y0A710K0F Analog Distance Sensor. Featuring an impressive measuring range of 100cm to 550cm (1m to 5.5m), this optical sensor uses Position Sensitive Detector (PSD) technology, an integrated infrared LED, and signal processing optics. Because it measures distance via triangulation rather than simple light intensity, its output remains largely uninfluenced by object color, reflectivity, or ambient temperature. Complete with a 5-pin connection cable, it is an ideal choice for obstacle avoidance in mobile robots, room occupation sensing, and industrial automation with Arduino, Raspberry Pi, or ESP32.

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Tags Sharp GP2Y0A710K0F Long Range IR Distance Sensor 100-550cm Distance Sensor Sharp Infrared Sensor Analog Distance Sensor Arduino 5m IR Distance Sensor GP2Y0A710K0F Cable Optical Distance Measurement

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Product Details :

The Sharp GP2Y0A710K0F is an extra long-range optical distance measuring sensor unit composed of an integrated combination of PSD (Position Sensitive Detector), IR-LED (Infrared Emitting Diode), and signal processing circuit. Designed for medium to long-range sensing applications, it measures target distances continuously across an expanded detection zone of 100cm to 550cm (1.0m to 5.5m).

Unlike basic optical proximity switches that rely solely on back-scattered light intensity (which varies dramatically based on object color or surface texture), the GP2Y0A710K0F uses triangulation measurement. The angle of reflection is calculated by the internal PSD chip, providing a smooth, continuous analog output voltage corresponding to actual distance. This makes the sensor exceptionally reliable for autonomous outdoor/indoor navigation, obstacle detection for large mobile platforms, non-contact liquid/level monitoring, and smart room occupancy detection.

Key Features and Benefits

Extra Long Detection Range: Accurately measures distances from $100 ext{cm}$ up to $550 ext{cm}$ , filling the gap between short-range IR sensors and expensive lidar units.
Color & Reflectivity Resistance: Uses PSD optical triangulation, making output readings practically immune to variation in target color, surface gloss, or environmental lighting.
Analog Voltage Output: Produces a continuous, inverse-proportional analog output voltage easily read by microcontroller ADCs (Arduino, ESP32, STM32).
Integrated Signal Processing: Internal optics, emitter drive circuitry, and signal amplifiers are fully integrated into a single compact housing.
Includes Pre-Wired Harness: Comes bundled with a matching 5-pin connector cable for hassle-free prototyping and drop-in installation.

Technical Specifications

Feature Component	Specification Details
Model Designation	Sharp GP2Y0A710K0F
Distance Measuring Range	$100 ext{ cm to } 550 ext{ cm}$ ( $1.0 ext{m} - 5.5 ext{m}$ )
Operating Supply Voltage ( $V_{CC}$ )	$4.5 ext{V DC} - 5.5 ext{V DC}$ (Nominal $5.0 ext{V DC}$ )
Average Current Consumption	$pprox 30 ext{ mA}$ (Peak surge current up to $350 ext{ mA}$ )
Output Type	Analog Voltage Signal ( $V_{OUT}$ )
Output Voltage Differential	$pprox 1.5 ext{V to } 2.5 ext{V}$ variation across $100 ext{cm}-550 ext{cm}$
Response / Update Cycle	$38.3 ext{ ms} pm 9.6 ext{ ms}$
Light Source	Infrared LED ( $lambda = 870 ext{nm}$ )
Package / Connection	5-Pin JST Connector Interface
Operating Temperature	$-10^circ ext{C to } +60^circ ext{C}$

Pinout & Wiring Guide

The GP2Y0A710K0F utilizes a 5-pin JST connector interface.

5-Pin Pinout Description:

Pin 1 ( $V_{OUT}$ ): Analog Output Voltage Signal (Connect to Arduino Analog Pin A0).
Pin 2 (GND): Ground Connection ( $0 ext{V}$ ).
Pin 3 (GND): Secondary Ground Connection (Tie to Pin 2 Ground).
Pin 4 ( $V_{CC}$ ): Supply Voltage Positive ( $+5.0 ext{V DC}$ ).
Pin 5 ( $V_{CC}$ ): Secondary Supply Voltage Positive (Tie to Pin 4 $+5 ext{V}$ ).

Power Decoupling Tip: The internal IR LED pulses at high peak currents ( $sim 350 ext{mA}$ ). To prevent voltage dip noise on your controller supply, connect a $10 mu ext{F} ext{ to } 47 mu ext{F}$ electrolytic capacitor directly between $+V_{CC}$ and $GND$ near the sensor connector.

Arduino Quick-Start Code Example

Because the sensor's output voltage changes non-linearly with distance ( $V_{OUT} propto rac{1}{ ext{Distance}}$ ), the ADC value can be approximated to distance in centimeters using empirical formulas:

C++
const int SENSOR_PIN = A0; // Connect Pin 1 (Vout) to Arduino A0

void setup() {
  Serial.begin(9600);
  Serial.println("Sharp GP2Y0A710K0F Distance Sensor Initialized.");
}

void loop() {
  int rawADC = analogRead(SENSOR_PIN);
  float voltage = rawADC * (5.0 / 1023.0);

  // Approximate distance formula for GP2Y0A710K0F (100cm - 550cm range)
  // Distance (cm) ~ 17500 / (ADC_value - 9)
  float distanceCm = 0.0;
  if (rawADC > 10) {
    distanceCm = 17500.0 / (rawADC - 9.0);
  }

  // Filter out measurements outside valid limits (100cm to 550cm)
  if (distanceCm >= 100.0 && distanceCm <= 550.0) {
    Serial.print("Voltage: ");
    Serial.print(voltage);
    Serial.print(" V  | Distance: ");
    Serial.print(distanceCm);
    Serial.println(" cm");
  } else {
    Serial.println("Target Out of Range (<100cm or >550cm)");
  }

  delay(200); // Sensor update rate ~38ms
}

Applications

Autonomous Mobile Robots (AGVs): Long-distance forward obstacle detection and terrain mapping for large wheeled robots.
Industrial Vehicle Safety: Proximity warning systems for forklifts, automated guided vehicles, and warehouse machinery.
Liquid & Bulk Level Sensing: Non-contact height and level monitoring inside large hoppers, tanks, and storage bins.
Room Occupancy & Smart Automation: People detection in hallways, doorways, or large interactive display kiosks.