Owner's manual

MAX5138/MAX5139
SETTLING TIME DOWN
MAX5138 toc19
400ns/div
500mV/div
DIGITAL FEEDTHROUGH
MAX5138 toc20
40ns/div
V
OUT
SCLK
5V/div
50mV/div
Low-Power, Single, 16-/12-Bit,
Buffered Voltage-Output DACs
_______________________________________________________________________________________ 7
DIGITAL SUPPLY CURRENT
vs. DIGITAL SUPPLY VOLTAGE
MAX5138 toc21
DIGITAL SUPPLY VOLTAGE (V)
DIGITAL SUPPLY CURRENT (μA)
4.74.23.73.2
0.05
0.10
0.15
0.20
0.25
0.30
0.35
0.40
0.45
0.50
0
2.7 5.2
V
AVDD
= 5.25V
f
SCLK
= 1MHz
REFERENCE VOLTAGE
vs. SUPPLY VOLTAGE
MAX5138 toc22
SUPPLY VOLTAGE (V)
V
REFO
(V)
4.74.23.73.2
2.4350
2.4355
2.4360
2.4365
2.4370
2.4375
2.4380
2.4385
2.4390
2.4345
2.7 5.2
T
A
= +25°C
T
A
= +105°C
T
A
= -40°C
REFERENCE VOLTAGE
vs. TEMPERATURE
MAX5138 toc23
TEMPERATURE (°C)
V
REFO
(V)
8060-20 0 20 40
2.4350
2.4355
2.4360
2.4365
2.4370
2.4375
2.4380
2.4385
2.4345
-40 100
DIGITAL SUPPLY CURRENT
vs. DIGITAL INPUT VOLTAGE
MAX5138 toc24
DIGITAL INPUT VOLTAGE
(
V
)
DIGITAL SUPPLY CURRENT (μA)
4123 5
500
1000
1500
2000
2500
0
06
V
AVDD
= V
DVDD
= 5.25V
UP
DOWN
FULL-SCALE OUTPUT
vs. TEMPERATURE
MAX5138 toc25
TEMPERATURE (°C)
OUTPUT VOLTAGE (V)
8060-20 0 20 40
2.44
2.45
2.46
2.47
2.48
2.49
2.50
2.51
2.43
-40 100
EXTERNAL REF = 2.5V
INTERNAL REF
OUTPUT VOLTAGE
vs. SUPPLY CURRENT
MAX5138 toc26
OUTPUT CURRENT (mA)
OUTPUT VOLTAGE (V)
2010
2.41
2.42
2.43
2.44
2.45
2.40
030
V
AVDD
= 5V
V
AVDD
= 3.3V
Typical Operating Characteristics (continued)
(T
A
= +25°C, unless otherwise noted.)