High speed, low power CMOS D/A converter for wave synthesis in n

Details High speed, low power CMOS D/A converter for wave synthesis in n High speed, low power CMOS D/A converter for wave synthesis in n

1995-06-07

1997-02-04

Young, Brian K.

Coded data generation or conversion

Analog to or from digital conversion

Digital to analog conversion

341135, H03M 166

Patent

active

056003218

ABSTRACT:
A high speed low power digital-to-analog (D/A) converter (DAC) includes a plurality of least significant bit (LSB) cells that collectively define a total output of the DAC. Each LSB cell includes a differential current driver that has reduced capacitive loading due to a cascode structure of the current driver wherein transistors are biased to desired levels and current sources are switched on and off to control the differential output signal.

REFERENCES:
patent: 4393370 (1983-07-01), Hareyama
patent: 5148164 (1992-09-01), Nakamura et al.
patent: 5254994 (1993-10-01), Takakura et al.
patent: 5276716 (1994-01-01), Wincn
patent: 5331322 (1994-07-01), Cha et al.
patent: 5357145 (1994-10-01), Segaram
patent: 5446457 (1995-08-01), Ryat

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