Electrical characteristics (continued) – Rainbow Electronics MAX5548 User Manual
Page 3
MAX5548
Dual, 8-Bit, Programmable, 30mA
High-Output-Current DAC
_______________________________________________________________________________________
3
ELECTRICAL CHARACTERISTICS (continued)
(V
DD
= +2.7V to +5.25V, GND = 0, V
REFIN
= +1.25V, internal reference, R
FSADJ_
= 20k
Ω; compliance voltage = (V
DD
- 0.6V),
V
SCLK/SCL
= 0, T
A
= -40°C to +85°C, unless otherwise noted. Typical values are at V
DD
= +3.0V and T
A
= +25°C.) (Note 1)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
DAC-to-DAC Current Matching
2
%
V
DD
= +3V, R
L
= 65
Ω, C
L
= 24pF
400
Wake-Up Time
V
DD
= +5V, no load
10
µs
POWER SUPPLIES
Supply Voltage
V
DD
+2.70
+5.25
V
Supply Current
I
DD
V
DD
= +5.25V, no load
3
6
mA
Shutdown Current
1.2
µA
LOGIC AND CONTROL INPUTS
+2.7V
≤ V
DD
≤ +3.4V
0.7 x
V
DD
Input High Voltage (Note 5)
V
IH
+34V < V
DD
≤ +5.25V
2.4
V
Input Low Voltage
V
IL
(Note 5)
0.8
V
Input Hysteresis
V
HYS
0.1 x
V
DD
V
Input Capacitance
C
IN
10
pF
Input Leakage Current
I
IN
±1
µA
Output Low Voltage
V
OL
I
SINK
= 3mA
0.6
V
Output High Voltage
V
OH
I
SOURCE
= 2mA
V
DD
-
0.5
V
I
2
C TIMING CHARACTERISTICS (Figure 2)
SCL Clock Frequency
f
SCL
400
kHz
Setup Time for START Condition
t
SU:STA
600
ns
Hold Time for START Condition
t
HD:STA
600
ns
SCL Pulse-Width Low
t
LOW
130
ns
SCL Pulse-Width High
t
HIGH
600
ns
Data Setup Time
t
SU:DAT
100
ns
Data Hold Time
t
HD:DAT
0
70
ns
SCL Rise Time
t
RCL
20 + 0.1
x C
B
300
ns
SCL Fall Time
t
FCL
20 + 0.1
x C
B
300
ns
SDA Rise Time
t
RDA
20 + 0.1
x C
B
300
ns
SDA Fall Time
t
FDA
20 + 0.1
x C
B
300
ns
Bus Free Time Between a STOP
and START Condition
t
BUF
1.3
µs