V 1 RG IC1 N 3 3 R 0 1 k 2 8 1k G G R 3 R 1 R 1 R 1 R 1 6 R E 6 ADC 2 Y C1 8 R R11 D B N N N N RG AD620N C4 6 10u 10k V: 1.8 2 -V 5 VREF/2 D K K K K 100n M M M M R7 6 6 4GND C C C C 1 1 D 1 A 1 A GND D B D B + C3 C C 8 GND 47u D 1K4 1K3 1K2 1K1 V 3 0 - 3 1 2 2 2 2 R 5 - D D 1 2 3 4 5 6
