Rainbow-electronics MAX5190 Bedienungsanleitung PDF herunterladen (Seite 7)

MAX5187/MAX5190

8-Bit, 40MHz, Current/Voltage-Output DACs

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Pin Description

14–19 D1–D6 Data Bit D1–D6

20 D7 Data Bit D7 (MSB)

21 DV

Digital Supply, +2.7V to +3.3V

24 REFO Reference Output

23 REFR Reference Input

NAME FUNCTION

1 CREF Reference Bias Bypass

2 OUTP Positive Analog Output. Current output for MAX5187; voltage output for MAX5190.

3 OUTN Negative Analog Output. Current output for MAX5187; voltage output for MAX5190.

4 AGND Analog Ground

7 PD

Power-Down Select

0: Enter DAC standby mode (DACEN = DGND) or power-up DAC (DACEN = DV

)

1: Enter shutdown mode

6 DACEN

DAC Enable, Digital Input

0: Enter DAC standby mode with PD = DGND

1: Power-up DAC with PD = DGND

X: Enter shutdown mode with PD = DV

(X = don’t care)

5 AV

Analog Positive Supply, +2.7V to +3.3V

13 D0 Data Bit D0 (LSB)

11, 12, 22 DGND Digital Ground

REN

Active-Low Reference Enable. Connect to DGND to activate on-chip +1.2V reference.

9 CLK Clock Input

Active-Low Chip Select

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15

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Rainbow-electronics MAX5190 Bedienungsanleitung Seite 7