which 6 1/2 digit A/D Converter is used in 6 1/2 digit multimeter?

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which 6 1/2 digit A/D Converter is used in 6 1/2 digit multimeter?

2007-01-14 15:48:55 · 2 answers · asked by pooja g 1 in Science & Mathematics ➔ Engineering

2 answers

... Probably a 16 bit AD Converter, that would give divisions of 1/65536 since 16^2 bits = 65536 voltage divisions for a resolution of 1.52 x 10 ^ -5

How they get to 6.5 digits from that must be black magic...

2007-01-14 16:10:51 · answer #1 · answered by SnowXNinja 3 · 0⤊ 0⤋

There are custom and standard A/D converters that can achieve this performance. Analog Devices makes several 24-bit A/Ds:
http://www.analog.com/IST/SelectionTable/?selection_table_id=205

2007-01-14 19:23:15 · answer #2 · answered by arbiter007 6 · 0⤊ 0⤋