Multi-channel digital-to-analog converters comprising with a plu

Details Multi-channel digital-to-analog converters comprising with a plu Multi-channel digital-to-analog converters comprising with a plu

1998-06-22

2000-04-18

Young, Brian

Coded data generation or conversion

Analog to or from digital conversion

With particular solid state devices

341144, H03M 100

Patent

active

060520744

ABSTRACT:
A multi-channel D/A converter is formed with a plurality of converter units, each having one single input transistor and a plurality of output transistors which together form current mirrors. Mutually corresponding ones of these output transistors of different ones of the converter units, which are switched on and off together, are disposed adjacently and connected together to a trunk power supply line such that the parasitic resistances through the conductive lines connected to the output transistors are alike and the conversion characteristics of the individual converter units also become alike. One common input transistor may be shared by all of the converter units for further improving the conversion characteristic.

REFERENCES:
patent: 4137525 (1979-01-01), Tyrrel
patent: 5017919 (1991-05-01), Hull et al.
patent: 5870044 (1999-02-01), Dell'ova et al.
patent: 5870049 (1999-02-01), Huang et al.

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