Datasheet

MAX5234/MAX5235
Single-Supply 3V/5V, Voltage-Output, Dual,
Precision 12-Bit DACs
8 _______________________________________________________________________________________
Typical Operating Characteristics (continued)
(V
DD
= +5V (MAX5235) V
DD
= +3V (MAX5234), R
L
= 5kΩ, C
L
= 100pF, V
REF
= +1.25V (MAX5234), V
REF
= +2.5V (MAX5235), C
REF
= 0.1µF ceramic || 2.2µF electrolytic, both DACs on, V
OUT
= full scale, T
A
= +25°C, unless otherwise noted.)
20
22
21
25
24
23
29
28
26
30
-40 10-15 35 60 85
MAX5234
BOTH DACs SHUTDOWN SUPPLY
CURRENT vs. TEMPERATURE
MAX5234 toc10
TEMPERATURE (°C)
SUPPLY CURRENT (µA)
27
NO LOAD
170
172
171
175
174
173
179
178
176
180
-40 10-15 35 60 85
MAX5234
ONE DAC SHUTDOWN SUPPLY CURRENT
vs. TEMPERATURE
MAX5234 toc11
TEMPERATURE (°C)
SUPPLY CURRENT (µA)
177
NO LOAD
0
0.2
0.1
0.5
0.4
0.3
0.9
0.8
0.6
1.0
-40 10-15 35 60 85
MAX5235
FULL POWER-DOWN SUPPLY CURRENT
vs. TEMPERATURE
MAX5234 toc12
TEMPERATURE (°C)
SUPPLY CURRENT (µA)
0.7
NO LOAD
20
22
21
25
24
23
29
28
26
30
-40 10-15 35 60 85
MAX5235
BOTH DACs SHUTDOWN SUPPLY
CURRENT vs. TEMPERATURE
MAX5234 toc13
TEMPERATURE (°C)
SUPPLY CURRENT (µA)
27
NO LOAD
90
110
100
140
130
120
180
170
150
190
-40 10-15 35 60 85
MAX5235
ONE DAC SHUTDOWN SUPPLY CURRENT
vs. TEMPERATURE
MAX5234 toc14
TEMPERATURE (°C)
SUPPLY CURRENT (µA)
160
NO LOAD
2.0449
2.0451
2.0450
2.0453
2.0452
2.0454
2.0455
-40 10 35 60 85
MAX5234
FULL-SCALE OUTPUT vs. TEMPERATURE
MAX5234 toc15
TEMPERATURE (°C)
V
OUT
(V)
-15
NO LOAD
4.0930
4.0935
4.0940
4.0945
4.0950
4.0955
4.0960
4.0965
4.0970
-40 -15 10 35 60 85
MAX5235
FULL-SCALE OUTPUT vs. TEMPERATURE
MAX5234 toc16
TEMPERATURE (°C)
V
OUT
(V)
NO LOAD
0
0.50
0.25
0.75
1.50
1.75
1.25
1.00
2.00
2.5 3.5 4.0 4.5 5.03.0 5.5 6.0 6.5 7.0 7.5
MAX5234
FULL-SCALE ERROR vs. RESISTIVE LOAD
MAX5234 toc17
R
L
(kΩ)
FULL-SCALE ERROR (LSB)
0
1.0
0.5
1.5
3.0
3.5
2.5
2.0
4.0
2.5 3.5 4.0 4.5 5.03.0 5.5 6.0 6.5 7.0 7.5
MAX5235
FULL-SCALE ERROR vs. RESISTIVE LOAD
MAX5234 toc18
R
L
(kΩ)
FULL-SCALE ERROR (LSB)