Datasheet

15Maxim Integrated
MAX5318
18-Bit, High-Accuracy Voltage Output DAC with
Digital Gain, Offset Control, and SPI Interface
Typical Operating Characteristics (continued)
(V
AVDD
= V
DDIO
= 5V, V
AVSS
= -1.25V, V
AGND
= V
DGND
= V
AGND_F
= V
AGND_S
= 0V; V
REF
= 4.096V, TC/SB = PD = M/Z = DGND,
RST = V
DDIO
, C
REFO
= 100pF, C
L
= 100pF, R
L
= 10kω, C
BYPASS
= 1µF, T
A
= +25°C, unless otherwise noted.)
FULL-SCALE OUTPUT ERROR
vs. OUTPUT CURRENT
MAX5318 toc18
OUTPUT CURRENT (mA)
OUTPUT ERROR (LSB)
27243 6 9 15 1812 21
-3
-2
-1
0
1
2
3
4
-4
03
0
SOURCING
SINKING
CODE = 0x3FFFF
V
REF
= 4.096V
GAIN ERROR TEMPERATURE COEFFICIENT
MAX5318 toc18a
DRIFT (ppm/°C)
COUNT (UNITS)
10
20
30
40
50
60
70
0
+40°C
+105°C
0-0.4-0.6 -0.2-0.8-1.0-1.2-1.4-1.6-1.8-2.0
GAIN ERROR TEMPERATURE COEFFICIENT
MAX5318 toc18b
DRIFT (ppm/°C)
COUNT (UNITS)
10
20
30
40
50
60
70
0
+10°C
-40°C
0-0.4-0.6 -0.2-0.8-1.0-1.2-1.4-1.6-1.8-2.0
OUTPUT DRIVE CAPABILITY
MAX5318 toc19
OUTPUT CURRENT (mA)
OUTPUT ERROR (LSB)
764 52 31
-8
-6
-4
-2
0
2
4
6
8
10
-10
08
CODE = 0x01900
V
AVSS
= 0V
V
REF
= 4.096V
SINKING CURRENT
T
A
= +25°C
454030 3510 15 20 255
OUTPUT DRIVE CAPABILITY
MAX5318 toc20
OUTPUT CURRENT (mA)
OUTPUT ERROR (LSB)
-8
-6
-4
-2
0
2
4
6
8
10
-10
05
0
CODE = 0x00000
V
AVSS
= -1.25V
V
REF
= 4.096V
SINKING CURRENT
T
A
= +25°C
OUTPUT DRIVE CAPABILITY
MAX5318 toc21
OUTPUT CURRENT (mA)
OUTPUT ERROR (LSB)
764 52 31
-8
-6
-4
-2
0
2
4
6
8
10
-10
08
CODE = 0x3FFFF
V
AVDD
= 4.2V
V
REF
= 4.096V
SOURCING CURRENT
T
A
= +25°C