Resistor string digital/analog converter with resetting switches

Details Resistor string digital/analog converter with resetting switches Resistor string digital/analog converter with resetting switches

1996-09-05

1998-01-13

Gaffin, Jeffrey A.

Coded data generation or conversion

Analog to or from digital conversion

Digital to analog conversion

341154, 341150, H03M 176

Patent

active

057084343

ABSTRACT:
In a digital/analog (D/A) converter, a plurality of resistors are connected in series between first and second power supply voltage terminals, and a plurality of switches are arranged in a tree configuration between first nodes of the resistors and an output terminal. The switches are turned ON and OFF in response to input bits. At least one reset switch is connected to a second node of at least one of the switches on a side of said output terminal, thus resetting the second node to a predetermined voltage.

REFERENCES:
patent: 4160244 (1979-07-01), Solomon et al.
patent: 4354175 (1982-10-01), Goldstein
patent: 4366470 (1982-12-01), Takahashi et al.
patent: 5302869 (1994-04-01), Hosotani et al.
patent: 5430399 (1995-07-01), Wendell
patent: 5498987 (1996-03-01), Nelson
Malcolm R. Haskard et al., "Analog VLSI Design nMos and CMOS", Prentice Hall of Australia Pt Ltd, pp. 115-117, 1988.
R.S. Soin et al., "Analogue-Digital ASICs Circuit Techniques, Design Tools and Applications", Peter Peregrinus Ltd., London, pp. 126-127, 1991.

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