Datasheet

MAX520/MAX521
Quad/Octal, 2-Wire Serial 8-Bit DACs
with Rail-to-Rail Outputs
8 _______________________________________________________________________________________
A = REF1, 1V/div (4V
P-P
)
B = OUT1, 50µV/div, UNLOADED
FILTER PASSBAND = 1kHz to 100kHz, DAC CODE = 00 HEX
REFERENCE FEEDTHROUGH AT 10kHz
B
A
A = REF1, 1V/div (4V
P-P
)
B = OUT1, 50µV/div, UNLOADED
FILTER PASSBAND = 10kHz to 1MHz, DAC CODE = 00 HEX
REFERENCE FEEDTHROUGH AT 100kHz
B
A
______________________________Typical Operating Characteristics (continued)
(V
DD
= 5V, DAC outputs unloaded, T
A
= +25°C, unless otherwise noted.)
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
A = REF1, 1V/div (4V
P-P
)
B = OUT1, 50µV/div, UNLOADED
FILTER PASSBAND = 100Hz to 10kHz, DAC CODE = 00 HEX
REFERENCE FEEDTHROUGH AT 1kHz
B
A