Rainbow-electronics MAX1329 Manual do Utilizador descarregar pdf (Página 56)

MAX1329/MAX1330

12-/16-Bit DASs with ADC, DACs, DPIOs, APIOs,

Reference, Voltage Monitors, and Temp Sensor

56 ______________________________________________________________________________________

Table 26. Op Amp 1 Switch Control

Configuration

OSW1

BIT

DPIO4 DPIO3 DPIO2 DPIO1

OP AMP 1

SWITCH STATE

(OSW1)

0 0 0 0 0 Open

X X X X 1 Closed

X X X 1 X Closed

X X 1 X X Closed

X 1 X X X Closed

1 X X X X Closed

X = Don’t care.

Table 28. SPDT1 Switch Control Configuration

SPDT1 SWITCH STATE

SPDT11

BIT

SPDT10

BIT

DPIO4 DPIO3 DPIO2 DPIO1

SNO1-TO-SCM1 STATE SNC1-TO-SCM1 STATE

0 0 0000 Open Open

0 X X X X 1 Closed Closed

0 X X X 1 X Closed Closed

0 X X 1 X X Closed Closed

0 X 1 X X X Closed Closed

0 1 XXXX Closed Closed

1 0 0000 Open Closed

1 X X X X 1 Closed Open

1 X X X 1 X Closed Open

1 X X 1 X X Closed Open

1 X 1 X X X Closed Open

1 1 XXXX Closed Open

X = Don’t care.

Table 27. Op Amp 2 Switch Control

Configuration

OSW2

BIT

DPIO4 DPIO3 DPIO2 DPIO1

OP AMP 2

SWITCH STATE

(OSW2)

0 0 0 0 0 Open

X X X X 1 Closed

X X X 1 X Closed

X X 1 X X Closed

X 1 X X X Closed

1 X X X X Closed

X = Don’t care.

1 2 ... 51 52 53 54 55 56 57 58 59 60 61 ... 77 78

MAX1329/MAX1330 1

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