Table 1.

Design parameters of the first- and second-generation ASICs.

Parameter	1st generation	2nd generation
ASIC width	1.8 mm	1.8 mm
ASIC height	3.6 mm	4.4 mm
Number of rows	8	8
Number of columns	5	5
Unit cell width	340 μm	382 μm
Unit cell height	275 μm	327 μm
Transducer pad	50 μm	85 μm