This paper presents a behavioural model suitable for the simulation of low-power Sigma-Delta Modulators. Second- order effects affecting the settling behaviour of the switched- capacitor integrator was included, leading to improved accuracy. Due to the oversampling mode of the converter, transistor-level simulations are extremely time consuming. Accurate behavioural models are thus mandatory in the first design phase of the modulator, in particular when the involved analog blocks must be optimized for minimum power consumption at some converter resolution.
Accurate Modeling of Ultra Low-Power Σ∆ Modulator / Giuffredi, Luca; Pietrini, Giorgio; Boni, Andrea. - (2014), pp. 1-4. (Intervento presentato al convegno PRIME: Ph. D. Research in Microelectronics and Electronics tenutosi a Grenoble nel July 2014) [10.1109/PRIME.2014.6872712].
Accurate Modeling of Ultra Low-Power Σ∆ Modulator
GIUFFREDI, Luca;PIETRINI, Giorgio;BONI, Andrea
2014-01-01
Abstract
This paper presents a behavioural model suitable for the simulation of low-power Sigma-Delta Modulators. Second- order effects affecting the settling behaviour of the switched- capacitor integrator was included, leading to improved accuracy. Due to the oversampling mode of the converter, transistor-level simulations are extremely time consuming. Accurate behavioural models are thus mandatory in the first design phase of the modulator, in particular when the involved analog blocks must be optimized for minimum power consumption at some converter resolution.| File | Dimensione | Formato | |
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