Method and apparatus for A/D conversion

Details Method and apparatus for A/D conversion Method and apparatus for A/D conversion

2007-01-10

2008-11-18

Mai, Lam T (Department: 2819)

Coded data generation or conversion

Analog to or from digital conversion

Differential encoder and/or decoder

C341S155000

Reexamination Certificate

active

07453382

ABSTRACT:
A method and an apparatus for converting an analog input signal into a digital output signal using a sigma-delta modulator architecture with a digital tracking filter. The digital tracking filter may have and order greater than one, and the signal and noise transfer functions of the sigma-delta modulator architecture are chosen to provide a sigma-delta modulator architecture with a high dynamic range even if a relatively low oversampling ratio is used.

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M. Motz et al. “An Integrated Magnetic Sensor with Two Continuous-Time ΔΣ-Converters and Stress Compensation Capability.”ISSCC 2006/Session 16/ MEMS and Sensors/ 16.6. IEEE International Solid-State Circuits Conference. pp. 298-299, 655. (3 Pages).

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