NC1INB12INB23STANDBY4GND5NC6RSA7RSA8NC9OUTA+10OUTA+11NC12NC13NC14GND15OUTA－16OUTA－17GND18GND19OUTB－20OUTB－21GND22NC23NC24NC25OUTB+26OUTB+27NC28RSB29RSB30NC31VM32NC33VCC34NC35NC36NC37NC38NC39GND40VREFB41VREFA42OSCM43INA144INA245PHASEA46PHASEB47NC48EP49