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. Author manuscript; available in PMC: 2009 Jul 6.
Published in final edited form as: Sens Actuators B Chem. 2008 Jun 16;132(2):593–600. doi: 10.1016/j.snb.2007.11.054

Fig. 4.

Fig. 4

Circuit diagram (left) and die photograph (right) of custom low-current high-speed operational amplifier. Six amplifiers are shown on the periphery of the chip with a 12-bit digital offset corrector in the lower-right corner. The center portion is available for integration with a nanopore array