What is the array size of the detector in the A320 and A325 (A320G)?

Both cameras have the same 320 x 240 detector, also used in T360,T400, B360 and B400

Detector type: Focal Plane Array (FPA), microbolometer 
Spectral range: 7.5 - 13 µm 
Resolution: 320 × 240 pixels 
Detector pitch: 25 µm 
Detector time constant: Typical 7 ms