A 500-nW floating-gate amplifier with programmable gain

A 500-nW floating-gate amplifier with programmable gain

Micro-power voltage amplification is achieved using capacitive feedback via multiple-input floating-gate transistors. The proposed amplifier uses self-biased cascode transistors operating in the subthreshold region for near rail-to-rail output voltage range. Simulations show a 72 kHz GBW when drivin...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
Hauptverfasser: Furth, P.M., Om'mani, H.A.
Format: Tagungsbericht
Sprache:eng
Schlagworte:
Capacitors
CMOS process
Energy consumption
Negative feedback
Operational amplifiers
Rails
Remote sensing
Resistors
Transconductors
Voltage
Online-Zugang:Volltext bestellen
Tags: Tag hinzufügen
Keine Tags, Fügen Sie den ersten Tag hinzu!
Beschreibung
Zusammenfassung:Micro-power voltage amplification is achieved using capacitive feedback via multiple-input floating-gate transistors. The proposed amplifier uses self-biased cascode transistors operating in the subthreshold region for near rail-to-rail output voltage range. Simulations show a 72 kHz GBW when driving 1 pF. Power consumption is 500 nW per stage of gain. Chip measurements of a 4-stage programmable-gain amplifier implemented in a 1.2 /spl mu/m technology confirm functionality of the design.
DOI:10.1109/MWSCAS.1998.759454