Multichannel D/A converter

Details Multichannel D/A converter Multichannel D/A converter

1992-02-21

1993-12-14

Logan, Sharon D.

Coded data generation or conversion

Analog to or from digital conversion

Nonlinear

341144, 341141, H03M 118

Patent

active

052707156

ABSTRACT:
There are provided 2.sup.n -number of data latches (2), 2.sup.n -number of dynamic range setting latches (7) and 2.sup.n -number of output dynamic range change circuits (8) in correspondence to 2.sup.n -number of D/A converters. Controlled by the outputs of AND gates (4), the respective dynamic range setting latches (7) output dynamic range setting data DR to the corresponding output dynamic range change circuits (8). The output dynamic range change circuits (8) change dynamic ranges for the analog outputs of the corresponding D/A converters (5) as a function of the dynamic range setting data DR to output the changed analog outputs from corresponding output terminals (26).
This enables the dynamic ranges for the plurality of D/A converters to be set individually without the provision of further external terminals.

REFERENCES:
patent: 4202042 (1980-05-01), Connors et al.
patent: 5089820 (1992-02-01), Gorai et al.

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