Data Sheet
1.4
1.2
FULL SCALE
1.0
ZERO CODE
0.8
EXTERNAL REFERENCE, FULL SCALE
0.6
0.4
0.2
0
–40
10
60
110
TEMPERATURE (°C)
Figure 29. Supply Current vs. Temperature
4.0
DAC A
3.5
DAC B
3.0
2.5
2.0
1.5
1.0
VDD = 5V
0.5 TA = 25°C
INTERNAL REFERENCE = 2.5V
¼ TO ¾ SCALE
0
10
20
40
80
TIME (µs)
160
320
Figure 30. Settling Time
0.06
CHANNEL A
CHANNEL B
0.05
VDD
0.04
0.03
0.02
0.01
0
TA = 25°C
INTERNAL REFERENCE = 2.5V
–0.01
–10
–5
0
5
10
TIME (µs)
Figure 31. Power-On Reset to 0 V
6
5
4
3
2
1
0
–1
15
AD5338R
3
CHANNEL A
CHANNEL B
SYNC
2
1
GAIN = 2
GAIN = 1
VDD = 5V
TA = 25°C
INTERNAL REFERENCE = 2.5V
0
–5
0
5
10
TIME (µs)
Figure 32. Exiting Power-Down to Midscale
2.5008
2.5003
2.4998
2.4993 CHANNEL B
TA = 25°C
VDD = 5.25V
INTERNAL REFERENCE = 2.5V
POSITIVE MAJOR CODE TRANSITION
ENERGY = 0.227206nV-sec
2.4988
0
2
4
6
8
TIME (µs)
10
12
Figure 33. Digital-to-Analog Glitch Impulse
0.003
0.002
CHANNEL B
0.001
0
–0.001
–0.002
0
5
10
15
20
25
TIME (µs)
Figure 34. Analog Crosstalk, Channel A
Rev. 0 | Page 13 of 28