Rainbow-electronics MAX1329 Bedienungsanleitung PDF herunterladen (Seite 41)

MAX1329/MAX1330

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

Reference, Voltage Monitors, and Temp Sensor

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Table 5. ADC Power-Down Bit Configuration

APD1 APD0 ADC MODE COMMENTS

0 0 Power-down ADC/PGA off

0 1 Fast power-down ADC/PGA off between conversions

1 0 Normal ADC/PGA on

1 1 Burst

ADC/PGA on, SCLK clocks conversion, data clocked out on DOUT in real time on

the falling edge of SCLK

Table 6. ADC Reference-Buffer Bit Configuration

AREF1 AREF0

ADC REFERENCE-BUFFER GAIN (V/V)

(REFE = 0)

REFADC VOLTAGE (V)

(REFE = 1)

0 0 Buffer off High-impedance

0 1 0.5 1.25

1 0 0.8192 2.048

1 1 1 2.5

Table 4. ADC Autoconvert Bit

Configuration (AUTO<2:0>)

AUT02 AUTO1 AUTO0

ADC MASTER CLOCK

CYCLES

0 0 0 Autoconvert disabled

00 1 32

01 0 64

0 1 1 128

1 0 0 256

1 0 1 512

1 1 0 1024

1 1 1 2048

1 2 ... 36 37 38 39 40 41 42 43 44 45 46 ... 77 78

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Rainbow-electronics MAX1329 Bedienungsanleitung Seite 41