Datasheet

MAX5851
Dual, 8-Bit, 80Msps, Current-Output DAC
_______________________________________________________________________________________ 5
ELECTRICAL CHARACTERISTICS (continued)
(AV
DD
= DV
DD
= CV
DD
= 3V, AGND = DGND = CGND = 0, f
DAC
= 80Msps, differential clock, external reference, V
REF
= 1.2V, I
FS
=
20mA, differential output, output amplitude = 0dBFS, T
A
= T
MIN
to T
MAX
, unless otherwise noted. T
A
≥ +25°C, guaranteed by produc-
tion test. T
A
< +25°C guaranteed by design and characterization. Typical values are at T
A
= +25°C.)
PARAMETER
SYMBOL
CONDITIONS
MIN TYP MAX
UNITS
I
FS
= 20mA, single-ended clock mode 3 3.8
Digital Supply Current (Note 2) I
DVDD
I
FS
= 20mA, differential clock mode 3
mA
Single-ended clock mode (DCE = 1)
11.2 13.5
Clock Supply Current (Note 2) I
CVDD
Differential clock mode (DCE = 0)
16.5
mA
Total Standby Current
I
STANDBY
I
AVDD
+ I
DVDD
+ I
CVDD
3.1 3.7 mA
Total Shutdown Current I
SHDN
I
AVDD
+ I
DVDD
+ I
CVDD
1µA
I
FS
= 20mA
172
190
Single-ended clock
mode (DCE = 1)
I
FS
= 2mA 58
I
FS
= 20mA
188
Differential clock
mode (DCE = 0)
I
FS
= 2mA 74
Standby 9.3
11.1
Total Power Dissipation (Note 2)
P
TOT
Shutdown
0.003
mW
TIMING CHARACTERISTICS (Figures 5 and 6)
Propagation Delay 1
Clock
cycles
Single-ended clock mode (DCE = 1) 1.2
DAC Data to CLK Rise/Fall
Setup Time (Note 4)
t
DCS
Differential clock mode (DCE = 0) 2.7
ns
Single-ended clock mode (DCE = 1) 0.8
DAC Data to CLK Rise/Fall
Hold Time (Note 4)
t
DCH
Differential clock mode (DCE = 0)
-0.5
ns
Control Word to CW Rise
Setup Time
t
CS
2.5 ns
Control Word to CW Rise
Hold Time
t
CW
2.5 ns
CW High Time t
CWH
5ns
CW Low Time t
CWL
5ns