Quad/Octal, 2-Wire Serial 8-Bit DACs

with Rail-to-Rail Outputs

8

_______________________________________________________________________________________

B = OUT1, 50

µV/div, UNLOADED

FILTER PASSBAND = 1kHz to 100kHz, DAC CODE = 00 HEX

REFERENCE FEEDTHROUGH AT 10kHz

B

A

B = OUT1, 50

µV/div, UNLOADED

FILTER PASSBAND = 10kHz to 1MHz, DAC CODE = 00 HEX

REFERENCE FEEDTHROUGH AT 100kHz

B

A

______________________________Typical Operating Characteristics (continued)

REF1 = 5V, DAC CODE = 80 HEX to 7F HEX

500ns/div

MAX521

WORST-CASE 1LSB DIGITAL STEP CHANGE

OUT1

20mV/div

AC COUPLED

A = SCL, 400kHz, 5V/div

B = OUT1, 5mV/div

REF1 = 5V, DAC CODE = 7F HEX

CLOCK FEEDTHROUGH

B

A

B = OUT1, 50

µV/div, UNLOADED

FILTER PASSBAND = 100Hz to 10kHz, DAC CODE = 00 HEX

REFERENCE FEEDTHROUGH AT 1kHz

B

A