Low Power Delta-Sigma ADC on Silicon-On-Sapphire
Design, Analysis, and Implementation
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The technologically advancements of the chipfabrication and VLSI circuit design have propelledthe concept of a system on chip. The uniquearchitecture of the Delta-Sigma A/DC requiring boththe modulator and the decimation filter on the samechip to reduce the power dissipation has directlybenefited from these developments. The architecturaladvantage of the Delta-Sigma A/DC is itsinsensitivity to process variation allowing forresolution in excess of 20-bit by adjustingoversampling ratio, modulator order, and/or quantizerdimension. Moreover, recently available thin-filmSOI/SOS processes provide ex...
The technologically advancements of the chip
fabrication and VLSI circuit design have propelled
the concept of a system on chip. The unique
architecture of the Delta-Sigma A/DC requiring both
the modulator and the decimation filter on the same
chip to reduce the power dissipation has directly
benefited from these developments. The architectural
advantage of the Delta-Sigma A/DC is its
insensitivity to process variation allowing for
resolution in excess of 20-bit by adjusting
oversampling ratio, modulator order, and/or quantizer
dimension. Moreover, recently available thin-film
SOI/SOS processes provide excellent potential for
circuit isolation and zero or negligible junction
capacitors. The 2-3 times lower digital power
consumption than the bulk processes and higher Q
inductors of SOI/SOS attract applications in
telecommunication and remote sensing areas, along
with other applications that depend heavily on
maintaining low power dissipation.
fabrication and VLSI circuit design have propelled
the concept of a system on chip. The unique
architecture of the Delta-Sigma A/DC requiring both
the modulator and the decimation filter on the same
chip to reduce the power dissipation has directly
benefited from these developments. The architectural
advantage of the Delta-Sigma A/DC is its
insensitivity to process variation allowing for
resolution in excess of 20-bit by adjusting
oversampling ratio, modulator order, and/or quantizer
dimension. Moreover, recently available thin-film
SOI/SOS processes provide excellent potential for
circuit isolation and zero or negligible junction
capacitors. The 2-3 times lower digital power
consumption than the bulk processes and higher Q
inductors of SOI/SOS attract applications in
telecommunication and remote sensing areas, along
with other applications that depend heavily on
maintaining low power dissipation.
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