Datasheet

17Maxim 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.)
0.1Hz TO 10Hz OUTPUT NOISE
MAX5318 toc27
1s/div
V
OUT
1µV/div
10k1k10010 100k
OUTPUT NOISE DENSITY
MAX5318 toc28
FREQUENCY (Hz)
VOLTAGE NOISE (nV/rt-Hz)
10
20
30
40
50
60
70
80
90
100
0
CODE = 0x20000
100
200
300
400
500
GROUND CURRENT vs. CODE
MAX5318 toc29
CODE
CURRENT (µA)
19660813107265536
600
CURRENT THROUGH
AGND_F AND AGND_S
V
REF
= 4.096V
0
0 262144
DIGITAL CLOCK FEEDTHROUGH
MAX5318 toc30
2µs/div
V
OUT
1mV/div
V
SCLK
5V/div