Datasheet

ADA4941-1
Rev. C | Page 10 of 24
–
65
–75
–85
–95
–105
–115
–125
–135
020
OUTPUT AMPLITUDE (V p-p)
DISTORTION (dBc)
05704-016
V
S
= +5V
f = 10kHz
V
S
= ±5VV
S
= +3V
24681012141618
HD2
HD2
HD2
HD3
HD3
HD3
Figure 17. Distortion vs. Output Amplitude for Various Supplies (G = +2)
–
60
–140
0.1 101 1000
FREQUENCY (kHz)
DISTORTION (dBc)
100
05704-017
–65
–70
–75
–80
–85
–90
–95
–100
–105
–110
–115
–120
–125
–130
–135
HD3
HD3
HD2
V
S
= +3V
V
S
= +5V
V
S
=±5V
HD2
V
O, dm
= 2V p-p
VREF = MIDSUPPLY
Figure 18. Distortion vs. Frequency for Various Supplies
–
60
–140
0.1 101 1000
FREQUENCY (kHz)
DISTORTION (dBc)
100
V
O
= 2V p-p
V
O
= 6V p-p
05704-045
–65
–70
–75
–80
–85
–90
–95
–100
–105
–110
–115
–120
–125
–130
–135
HD3
HD2
HD3
HD2
Figure 19. Distortion vs. Frequency at Various Output Amplitudes
HD3
–
65
–145
020
OUTPUT AMPLITUDE (V p-p)
DISTORTION (dBc)
05704-019
DIFFERENTIAL G = –2
f = 10kHz
24681012141618
–75
–85
–95
–105
–115
–125
–135
V
S
= +5V V
S
= ±5V
V
S
= +3V
HD2
HD3
HD3
Figure 20. Distortion vs. Output Amplitude for Various Supplies (G = −2)
–
70
–140
0.1 101 1000
FREQUENCY (kHz)
DISTORTION (dBc)
100
05704-020
HD3 HD3
HD3
G = –2
G = +2
G = +4
V
O, dm
= 2V p-p
VREF = MIDSUPPLY
–80
–90
–100
–110
–120
–130
HD2
HD2
Figure 21. Distortion vs. Frequency for Various Gains
0.12
–0.12
OUTPUT VOLTAGE (V)
50ns/DIV
V
OUT
= 200mV p-p
0.08
0.04
0
–0.04
–0.08
C
L
=0pF
C
L
= 20pF
05704-022
Figure 22. Small Signal Transient Response for Various Capacitive Loads