Rainbow-electronics MAX19515 Manual do Utilizador descarregar pdf (Página 23)

MAX19515

Dual-Channel, 10-Bit, 65Msps ADC

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Common Mode (08h)

Software Reset (0Ah)

BIT 7 BIT 6 BIT 5 BIT 4 BIT 3 BIT 2 BIT 1 BIT 0

CMI_SELF_B CMI_ADJ_2_B CMI_ADJ_1_B CMI_ADJ_0_B CMI_SELF_A CMI_ADJ_2_A CMI_ADJ_1_A CMI_ADJ_0_A

Bit 7 CMI_SELF_B: CHB connect input common-mode to analog inputs

0 = Internal common-mode voltage is NOT applied to inputs (default)

1 = Internal common-mode voltage applied to analog inputs through 2kΩ resistors

Bit 6, 5, 4 CMI_ADJ_2_B, CMI_ADJ_1_B, CMI_ADJ_0_B: CHB input common-mode voltage adjustment

000 = 0.900V (default)

001 = 1.050V

010 = 1.200V

011 = 1.350V

100 = 0.900V

101 = 0.750V

110 = 0.600V

111 = 0.450V

Bit 3 CMI_SELF_A: CHA connect input common-mode to analog inputs

0 = Internal common-mode voltage is NOT applied to inputs (default)

1 = Internal common-mode voltage applied to analog inputs through 2kΩ resistors

Bit 2, 1, 0 CMI_ADJ_2_A, CMI_ADJ_1_A, CMI_ADJ_0_A: CHA input common-mode adjustment

000 = 0.900V (default)

001 = 1.050V

010 = 1.200V

011 = 1.350V

100 = 0.900V

101 = 0.750V

110 = 0.600V

111 = 0.450V

Bit 7–0 SWRESET: Write 5Ah to initiate software reset

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Rainbow-electronics MAX19515 Manual do Utilizador Página 23