Rainbow-electronics MAX5191 Manual de usuario descargar pdf (Pagina 10)

MAX5188/MAX5191

Dual, 8-Bit, 40MHz, Current/Voltage,

Alternate-Phase Output DACs

10 ______________________________________________________________________________________

CLK

D0–D7

OUT1 N - 2

DAC1 DAC2 DAC1 DAC2 DAC1 DAC2

N - 1

N + 1 N + 1

DS1

CLK

OUT2

N - 1

N - 2

DS2

DH1

DH2

Figure 4. Timing Diagram

9.6k*

0.1µF10µF

SET

REF

REFR

REFO

+1.2V

BANDGAP

REFERENCE

REN

CURRENT-

SOURCE ARRAY

EXTERNAL

+1.2V

REFERENCE

*9.6kΩ REFERENCE CURRENT SET RESISTOR

INTERNAL TO MAX5191 ONLY. USE EXTERNAL

SET

FOR MAX5188.

MAX5188

MAX5191

MAX6520

DGND

AGND

Figure 3. MAX5188/MAX5191 Using an External Reference

1 2 ... 5 6 7 8 9 10 11 12 13 14

MAX5188/MAX5191 1
Alternate-Phase Output DACs 1

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Rainbow-electronics MAX5191 Manual de usuario Pagina 10

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