DAC1209 error; charge injection?

May 24, 2020 4 Replies

Anyone seen this before? Seems like I'm getting a huge spike (relatively speaking -- about 3 LSB) when flipping bit 11 (going from >= 0x800 to


Old DACs like that were fairly notorious for both glitches and INL at the major carry, IIRC.

Cheers

Phil Hobbs

Dr Philip C D Hobbs Principal Consultant ElectroOptical Innovations LLC / Hobbs ElectroOptics Optics, Electro-optics, Photonics, Analog Electronics Briarcliff Manor NY 10510 http://electrooptical.net http://hobbs-eo.com

Old DACs like that were fairly notorious for both glitches and INL at the major carry, IIRC.

Cheers

Phil Hobbs

Dr Philip C D Hobbs Principal Consultant ElectroOptical Innovations LLC / Hobbs ElectroOptics Optics, Electro-optics, Photonics, Analog Electronics Briarcliff Manor NY 10510 http://electrooptical.net http://hobbs-eo.com

Old DACs like that were fairly notorious for both glitches and INL at the major carry, IIRC.

Cheers

Phil Hobbs

Dr Philip C D Hobbs Principal Consultant ElectroOptical Innovations LLC / Hobbs ElectroOptics Optics, Electro-optics, Photonics, Analog Electronics Briarcliff Manor NY 10510 http://electrooptical.net http://hobbs-eo.com

Sorry for the multiple posts--ES is being cranky this AM.

Cheers

Phil Hobbs

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