<mat-form-field>
<input matInput [matDatepicker]="expiration1" placeholder="Expiration" [formControl]="expiration" required (dateChange)="EndDateChange($event)">
<mat-datepicker-toggle matSuffix [for]="expiration1"></mat-datepicker-toggle>
<mat-datepicker #expiration1></mat-datepicker>
</mat-form-field>
Please check this demo link So you will get more idea.
Example