Patent ID: 6701340
Filing Date: 2004-03-02
Classification: G06J,H03H,H03K

Abstract:
A programmable analog integrated circuit for receiving a differential analog input signal and providing a processed differential analog output signal, the programmable analog circuit comprising:a first programmable analog circuit block, the first programmable analog circuit block having first analog circuit block positive and negative input terminals and first analog circuit block positive and negative output terminals; a double differential comparator, the double differential comparator including: first comparator positive and negative input terminals; second comparator positive and negative input terminals; and comparator positive and negative output terminals, the double differential comparator providing a logic high output signal at the comparator output terminals when a first differential voltage applied to the first comparator input terminals is positive with respect to a second differential voltage applied to the second comparator input terminals; and an analog routing pool, the analog routing pool controlling the routing of the differential analog input signal and signals provided by and to the first programmable analog circuit block and the double differential comparator, the analog routing pool being programmable.