Multi-function digital multimeter TC821 integrated circuit diagram

Published:2011/6/27 1:23:00 Author:Ecco | Keyword: Multi-function , digital multimeter , integrated circuit | From:SeekIC

3.1 TC821 main parameters are as follows: ● Supply voltage (V + S connected to the ground) is 15V; ● power consumption is 800mW; ● Operating temperature range: -40 ~ +85 ℃ (D type). 3.2 TC821 main characteristics are as follows: ● The output is displayed as ± 000 when input is zero; ● flip error is ± 1 digit; ● nonlinearity is ± 1 word; ● common mode rejection ratio is 50μV / V; ● noise voltage is 15μV (typical); ● maximum scale factor temperature coefficient is 5ppm / ℃; ● operating current is 1 ~ 1.5mA; ● The maximum adding of input logic low level is 1.5V; ● The minimum decreasing of input logic high level is 1.5V.



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