... BA6257 The BA6257 is a printer hammer solenoid driver for electronic calculators. It consists of seven circuits and is provid- ed with a high input impedance in order to enable direct drive from MOS ICs. It features a built-in clamp diode and 16-pin DIP for easy installation. ...
... R V — 1 Q11 Q13 Q10 Q12 Q14 Unit 20V) Unit Conditions V — 20V 75mA 17V OUT 75mA OUT 0mA 17V OUT 20V R — 75mA OUT 1 Unit (sat) 8 Fig.3 BA6257 9 8 Measurement circuit Fig.2 Fig.3 Fig.3 Fig.4 Fig.5 Fig.6 I OUT ...