Features:
1. Adopt intelligent signal processing circuit, small blind zone and long measuring distance;
2. Built-in high-precision ranging algorithm with minimum error <10mm;
3. Controllable angle, high sensitivity and strong anti-interference ability;
4. Built-in true target recognition algorithm for high target recognition accuracy;
5. Intelligent matching technology of ultrasonic transducer can automatically adjust the ultrasonic transducer to the best working state, with good consistency of module performance;
6. Professional measurement mode can be set, can be targeted to the human body or plane object target measurement;
7. Various output modes are optional, PWM processing value output, UART output or switch quantity, with strong interface adaptability;
8. Onboard temperature compensation function, automatic correction of temperature deviation, ranging from -15℃ to +60℃can be stable ranging;
9. Low power design, static current < 5uA, measuring state current < 15mA (3.3v power supply);
10. Low voltage power supply, 3.3 ~ 5.0V applicable;
11. Electrostatic protection design, output pin to add electrostatic protection device, accord with iec61000-4-2 standard;
12. Working Temperature: -15℃ to +60℃;
Applications:
1. Small Angle horizontal ranging ;
2. Intelligent detection system;
3. People, things and awareness of proximity and existence;
Basic Parameters:
Items |
A08A |
A08B |
A08C |
Working voltage |
DC3.3V~5.0V |
DC3.3V~5.0V |
DC3.3V~5.0V |
The static current |
<5 uA |
<5 uA |
<5 uA |
Measuring state current |
<15 mA |
<10 mA |
<5 mA |
Blind area distance |
≤25 cm |
≤25 cm |
≤25 cm |
Measuring objects range |
25cm~800cm |
25cm~500cm |
25cm~200cm |
The reference angle |
≈20° |
≈ 70° |
≈ 25° |
Measurement accuracy |
±(1+S×0.3%)cm |
±(1+S×0.3%)cm |
±(1+S×0.3%)cm |
Temperature compensation |
Have |
Have |
Have |