Datasheet

Data Sheet AD5450/AD5451/AD5452/AD5453
Rev. G | Page 11 of 28
2.5
2.0
1.5
1.0
0.5
0
0 1 2 3 4 5
04587-038
INPUT VOLTAGE (V)
CURRENT (mA)
T
A
= 25°C
V
DD
= 3V
V
DD
= 5V
Figure 24. Supply Current vs. Logic Input Voltage
0.7
0
0.1
0.2
0.3
0.4
0.5
0.6
–40 –20 0 20 40 60
80 100 120
04587-037
TEMPERATURE (°C)
CURRENT (µA)
V
DD
= 5V
V
DD
= 3V
ALL 1s
ALL 0s
Figure 25. Supply Current vs. Temperature
04587-075
1 10 100 1k 10k 100k 1M 10M
FREQUENCY (Hz)
6
0
1
2
3
4
5
CURRENT (mA)
T
A
= 25°C
AD5452
LOADING 010101010101
V
DD
= 5V
V
DD
= 3V
Figure 26. Supply Current vs. Update Rate
2.5 5.5
VOLTAGE (V)
1.8
1.2
1.0
0.4
0.2
0
V
IH
04587-076
1.6
1.4
0.8
0.6
3.0 3.5 4.54.0 5.0
V
IL
THRESHOLD VOLTAGE (V)
T
A
= 25°C
Figure 27. Threshold Voltage vs. Supply Voltage
10
–80
–70
–60
–50
–40
–30
–20
–10
0
10k 100k 1M 10M 100M
GAIN (dB)
FREQUENCY (Hz)
04587-108
ALL ON
DB11
DB10
DB9
DB8
DB6
DB5
DB4
DB3
DB7
DB2
DB12
DB13
V
DD
= 5V
V
REF
= ±3.5V
C
COMP
= 1.8pF
AD8038 AMPLIFIER
T
A
= 25°C
LOADING
ZS TO FS
Figure 28. Reference Multiplying Bandwidth vs. Frequency and Code
0.6
–1.2
–1.0
–0.8
–0.6
–0.4
–0.2
0
0.2
0.4
10k 100k 1M 10M 100M
GAIN (dB)
FREQUENCY (Hz)
04587-109
T
A
= 25°C
V
DD
= 5V
V
REF
= ±3.5V
C
COMP
= 1.8pF
AD8038 AMPLIFIER
Figure 29. Reference Multiplying Bandwidth—All 1s Loaded