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ES51918 データシート(PDF) 8 Page - Cyrustek corporation |
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ES51918 データシート(HTML) 8 Page - Cyrustek corporation |
8 / 32 page v1.08 06/04/03 8 ES51918 11,000 Counts Auto DMM 1.1.4 The true RMS-to-DC conversion with ES636 If ES636 is used for true RMS-to-DC measurement, the test circuit is shown in Figure 1. Make ADO and ADI pin short, and TEST5 pin keeps float. Connect OVSG pin to AGND through a switch in ACV measurement mode. If the DCV and ACV measurement modes are in the same rotary switch, please also add this switch in the rotary switch. The configuration of this switch will not influence the precision of DCV measurement. Figure 1. The true RMS-to-DC conversion with ES636 OVSG OR1 VR5 VR4 VR3 VR2 TEST5 ACVL ACVH ADI ADO ADOHZ PWD OP- OP+ OPO 1.111M 101K 10K 1K 99.5 AGND ACV AGND 1 2 3 4 5 6 7 14 13 12 11 10 9 8 2.2u + +Vs AGND +Vs -Vs 500K 1K 100 AGND -Vs 100K 1.5K -Vs N1 N2 10K 30K 0.1u AGND +Vs -Vs 2 3 1 5 4 7 6 AGND 1u + 200 AGND +Vs TL061 30K 10K +Vs -Vs 4.7u Note: The filter capacitors for +Vs and -Vs are recommended to near to the power terminals of ES636 and external OPAMP. |
同様の部品番号 - ES51918 |
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同様の説明 - ES51918 |
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