Datasheet

ADG1204
Rev. B | Page 11 of 16
FREQUENCY (Hz)
ON RESPONSE (dB)
0
–10
–5
–15
–25
–20
–30
10k 100k 1M 10M 1G100M 10G
04779-018
V
DD
= +15V
V
SS
= –15V
T
A
= +25°C
Figure 16. On Response vs. Frequency
FREQUENCY (Hz)
THD + N (%)
10.00
1.00
0.10
0.01
10 100 1k 10k 100k
04779-019
LOAD = +10kΩ
T
A
= +25°C
V
DD
= +5V, V
SS
= –5V, V
S
= +3.5Vrms
V
DD
= +15V, V
SS
= –15V, V
S
= +5Vrms
Figure 17. THD + N vs. Frequency
V
BIAS
(V)
CAPACITANCE (pF)
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
–10 –8 –6 –4 –2 0 2 4 6 8 10
04779-031
S2
S3
S1
S4
D
V
DD
= +15V
V
SS
= –15V
T
A
= +25°C
Figure 18. Off Capacitance vs. Source Voltage
V
BIAS
(V)
CAPACITANCE (pF)
6.5
6.1
6.3
5.9
5.7
5.5
5.3
5.1
4.9
4.7
4.5
–10 –8 –6 –4 –2 0 2 4 6 8 10
04779-032
S2
S3
S1
S4
V
DD
= +15V
V
SS
= –15V
T
A
= +25°C
Figure 19. On Capacitance vs. Source Voltage
V
BIAS
(V)
CAPACITANCE (pF)
9
7
8
5
6
4
3
2
1
0
2046810
04779-033
12
SOURCE/DRAIN ON
SOURCE OFF
DRAIN OFF
V
DD
= 12V
V
SS
= 0V
T
A
= 25°C
Figure 20. Capacitance vs. Source Voltage, Single Supply