Rainbow-electronics MAX5191 Bedienungsanleitung PDF herunterladen (Seite 7)

MAX5188/MAX5191

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

Alternate-Phase Output DACs

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Pin Description

Data Bit D7 (MSB)D721

Reference Bias Bypass, DAC2CREF228

Positive Analog Output, DAC2. Current output for the MAX5188; voltage output for the MAX5191.OUT2P27

Negative Analog Output, DAC2. Current output for the MAX5188; voltage output for the MAX5191.OUT2N26

Reference OutputREFO25

PIN FUNCTIONNAME

Data Bit D0 (LSB)D014

Data Bits D1–D6D1–D615–20

Digital Supply, +2.7V to +3.3VDV

Reference InputREFR24

Clock InputCLK9

Not Connected. Do not connect to this pin.

N.C.10

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

REN

Digital GroundDGND12, 13, 23

Active-Low Chip Select

Power-Down Select

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

)

1: Enter shutdown mode

PD7

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)

DACEN6

Negative Analog Output, DAC1. Current output for the MAX5188; voltage output for the MAX5191.OUT1N3

Analog GroundAGND4

Analog Positive Supply, +2.7V to +3.3VAV

Positive Analog Output, DAC1. Current output for the MAX5188; voltage output for the MAX5191.OUT1P2

1 Reference Bias Bypass, DAC1CREF1

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

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Rainbow-electronics MAX5191 Bedienungsanleitung Seite 7