Integrated resistor network for multi-functional use in...

Details Integrated resistor network for multi-functional use in... Integrated resistor network for multi-functional use in...

2005-03-22

2005-03-22

Prenty, Mark V. (Department: 2822)

Active solid-state devices (e.g., transistors, solid-state diode

Responsive to non-electrical signal

C257S536000, C257S773000, C438S048000

Reexamination Certificate

active

06870236

ABSTRACT:
A sensor chip has a piezo-resistive bridge, a temperature resistive bridge, and a multifunctional resistor network that can be used to provide span compensation when operating the piezo-resistive bridge in a constant current mode. In the constant current mode, the multifunctional resistor network can also be used to provide a bias potential to an epitaxial layer of the sensor chip. In a constant voltage mode, the multifunctional resistor network can be used to provide three different gains for a temperature channel that includes the temperature resistive bridge in order to customize the output of the temperature channel for specific operating temperature ranges.

REFERENCES:
patent: 4345477 (1982-08-01), Johnson
patent: 6065346 (2000-05-01), Voegele et al.
patent: 6101883 (2000-08-01), Takeuchi
patent: 6329825 (2001-12-01), Tanaka et al.
patent: 6510742 (2003-01-01), Johnson
patent: 6718830 (2004-04-01), Johnson
patent: 0 239 094 (1987-09-01), None

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