Electrical characteristics (continued) – Rainbow Electronics MAX5295 User Manual
Page 5
MAX5290–MAX5295
Buffered, Fast-Settling, Dual, 12-/10-/8-Bit,
Voltage-Output DACs
_______________________________________________________________________________________
5
ELECTRICAL CHARACTERISTICS (continued)
(AV
DD
= 2.7V to 3.6V, DV
DD
= 1.8V to AV
DD
, AGND = 0, DGND = 0, V
REF
= 2.5V, R
L
= 10k
Ω, C
L
= 100pF, T
A
= T
MIN
to T
MAX
, unless
otherwise noted. Typical values are at T
A
= +25
°C.) (Note 1)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
POWER REQUIREMENTS
Analog Supply Voltage
Range
AV
DD
2.7
3.6
V
Digital Supply Voltage
Range
DV
DD
1.8
AV
DD
V
Unity gain
0.55
0.8
µA
SLOW mode, all digital inputs
at DGND or DV
DD
, no load,
V
REF
= 2.5V
Force sense
0.9
1.2
mA
Unity gain
0.85
2
Operating Supply
Current
I
AVDD
+
I
DVDD
FAST mode, all digital inputs
at DGND or DV
DD
, no load,
V
REF
= 2.5V
Force sense
1.2
2
mA
Shutdown Supply
Current
I
AV D D ( S H D N )
+
I
D V D D ( S H D N )
No clocks, all digital inputs at DGND or DV
DD
, all
DACs in shutdown mode
2.5
µA
TIMING CHARACTERISTICS—DSP Mode Disabled (3V, 3.3V Logic) (Figure 1)
(DVDD = 2.7V to 3.6V, DGND = 0, TA = TMIN to TMAX, unless otherwise noted.)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
SCLK Frequency
f
SCLK
2.7V < DV
DD
< 3.6V
20
MHz
SCLK Pulse-Width High
t
CH
(Note 7)
20
ns
SCLK Pulse-Width Low
t
CL
(Note 7)
20
ns
CS Fall to SCLK Rise Setup Time
t
CSS
10
ns
SCLK Rise to CS Rise Hold Time
t
CSH
5
ns
SCLK Rise to CS Fall Setup Time
t
CS0
10
ns
DIN to SCLK Rise Setup Time
t
DS
12
ns
DIN to SCLK Rise Hold Time
t
DH
5
ns
SCLK Rise to DOUTDC1 Valid
Propagation Delay
t
DO1
C
L
= 20pF, UPIO_ = DOUTDC1 mode
30
ns
SCLK Fall to DOUT_ Valid
Propagation Delay
t
DO2
C
L
= 20pF, UPIO_ = DOUTDC0 or DOUTRB
mode
30
ns
CS Rise to SCLK Rise Hold Time
t
CS1
MICROWIRE and SPI modes 0 and 3
10
ns
CS Pulse-Width High
t
CSW
45
ns