Datasheet

AD5725 Data Sheet
Rev. C | Page 12 of 20
12
0
0.01 100
LOAD RESISTANCE (kΩ)
FULL-SCALE VOLTAGE (V)
0.1 1 10
10
8
6
4
2
AV
DD
= +15V
AV
SS
= –15V
V
REFP
= +10V
V
REFN
= –10V
T
A
= 25°C
06442-035
Figure 19. Output Voltage Swing vs. Resistive Load
2
–16
10
10M
FREQUENCY (Hz)
GAIN (dB)
100
1k 10k 100k 1M
0
–2
–4
–6
–8
–10
–12
–14
AV
DD
= +15V
AV
SS
= –15V
V
REFP
= 0V ± 100mV
V
REFN
= –10V
DATA BITS = +5V
T
A
= 25°C
06442-036
Figure 20. Small Signal Response
8
–8
–35 85
TEMPERATURE (°C)
POWER SUPPLY CURRENT (mA)
6
4
2
0
–2
–4
–6
–15 5 25
45 65
I
DD
I
SS
AV
DD
= +15V
AV
SS
= –15V
06442-045
Figure 21. Power Supply Current vs. Temperature
1.0
–0.1
1 100k
NOISE FREQUENCY (Hz)
NOISE DENSITY (mV)
10 100
1k
10k
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
AV
DD
= +15V
AV
SS
= –15V
V
REFP
= +10V
V
REFN
= –10V
T
A
= 25°C
06442-044
Figure 22. Output Noise Spectral Density vs. Frequency
20
–20
–15 15
V
OUT
(V)
I
OUT
(µA)
15
10
5
0
–5
–10
–15
–10 –5 0 5 10
AV
DD
= +15V
AV
SS
= –15V
V
REFP
= +10V
V
REFN
= –10V
T
A
= 25°C
DATA = 0x000
06442-040
Figure 23. I
OUT
vs. V
OUT
(V
SUPPLY
= ±15 V)
25
–10
0 10
V
OUT
(V)
I
OUT
(µA)
20
15
10
5
0
–5
1 2 3 4 5 6 7 8 9
AV
DD
= 15V
AV
SS
= 0V
V
REFP
= 10V
V
REFN
= 0V
T
A
= 25°C
DATA = 0x800
06442-041
Figure 24. I
OUT
vs. V
OUT
(V
SUPPLY
= +15 V)