MX171 Overview
MX171 is designed for Amplitude system auto focus cameras. It is regarded as input ponent for SPD (Silicon Photo Detector), and prises of circuits that drive AF magnet as output, an infrared emission diode current control circuit, and control circuit of sequential timing. 8 SOP GND CH SPD VCC 2 3 4 MX171 8 OUT 7 IRED 6 CT 5 VR PIN FUNCTIONS SYMBOL GND CH SPD VCC VR CT IRED OUT PIN NAME Ground Pin Hold Capacitor Pin...
MX171 Key Features
- Package : 8-pin SOP, 8-pin DIP
- Operating voltage : 2.2V~6V
- Operating temperature : -25oC~60oC
- Supply current : max. 10mA (without output current)
- Surround light level : max. 20uA (SPD output current)
- IRED drive output : min. 15mA
- Magnet drive current : min. 300mA
- Measuring time : max. 30ms