An electronic circuit device is provided which comprises an electronic circuit unit, an ESD protection unit connected in parallel to the electronic circuit unit and configured to clamp a supply voltage of the electronic circuit unit, at least one input clamp unit configured to clamp input voltages applied at at least one input terminal of the electronic circuit unit, and at least one ESD clamp provided at the at least one input terminal and configured to protect the electronic circuit unit against electrostatic discharges.