Rainbow Electronics MAX5191 - Manual (Page 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
N
N N N + 1 N + 1
t DS1
t CH t CL t CLK
OUT2 N - 1 N - 2 N
t DS2 t DH1
t DH2
Figure 4. Timing Diagram
9.6k*
I FS
0.1 µF 10 µF
DV DD
R SET
I REF
REFR
AV
DD
REFO
+1.2V
BANDGAP
REFERENCE
REN
CURRENT-
SOURCE ARRAY
EXTERNAL
+1.2V
REFERENCE
*9.6k Ω REFERENCE CURRENT SET RESISTOR
INTERNAL TO MAX5191 ONLY. USE EXTERNAL
R
SET FOR MAX5188.
MAX5188
MAX5191
MAX6520
DGND
AGND
AGND
Figure 3. MAX5188/MAX5191 Using an External Reference