Owner manual

MAX5548
Dual, 8-Bit, Programmable, 30mA
High-Output-Current DAC
_______________________________________________________________________________________ 7
Typical Operating Characteristics (continued)
(V
DD
= +3.0V, GND = 0, V
REFIN
= +1.25V, internal reference, R
FSADJ_
= 20kΩ, T
A
= +25°C. unless otherwise noted).
SUPPLY CURRENT
vs. DIGITAL INPUT VOLTAGE
DIGITAL INPUT VOLTAGE (V)
SUPPLY CURRENT (mA)
MAX5548 toc19
012345
1
10
NO LOAD, CODE = 0x00
V
DD
= 5V
V
DD
= 3V
DIGITAL FEEDTHROUGH
MAX5548 toc20
V
OUT_
AC-COUPLED
10mV/div
400µs/div
SCLK
2V/div
R
LOAD
= 65Ω
C
LOAD
= 24pF
2.80
2.75
2.70
2.65
2.60
2.5 4.03.0 3.5 4.5 5.0 5.5
SUPPLY CURRENT
vs. SUPPLY VOLTAGE
MAX5548 toc15
SUPPLY VOLTAGE (V)
SUPPLY CURRENT (mA)
NO LOAD, CODE = 0x00
INTERNAL REFERENCE
EXTERNAL REFERENCE
2.730
2.740
2.735
2.750
2.745
2.755
2.760
-40 10-15 35 60 85
SUPPLY CURRENT
vs. TEMPERATURE
MAX5548 toc16
TEMPERATURE (
°
C)
SUPPLY CURRENT (mA)
NO LOAD, CODE = 0x00
V
DD
= 5V
V
DD
= 3V
WAKE-UP TIME
MAX5548 toc17
V
OUT_
1V/div
400µs/div
CS
2V/div
R
LOAD
= 65Ω
C
LOAD
= 24pF
I
OUT
vs. V
OUT
V
OUT
(V)
I
OUT
(mA)
MAX5548 toc18
012345
0
5
10
15
20
25
30
35
V
DD
= 3V
V
DD
= 5V