Datasheet

ADA4940-1/ADA4940-2 Data Sheet
Rev. C | Page 18 of 32
100
–100
0 150
OUTPUT VOLTAGE (mV)
TIME (ns)
–80
–60
–40
–20
0
20
40
60
80
10 20 30 40 50 60 70 80 90 100 110 120 130 140
V
OUT, dm
= 0.1V p-p
G = 2, R
L
= 1kΩ
G = 1, R
L
= 1kΩ
G = 1, R
L
= 200Ω
G = 2, R
L
= 200Ω
08452-042
Figure 49. Small Signal Transient Response for Various Gains and Loads
(LFCSP)
–100
–80
–60
–40
–20
0
20
40
60
80
100
0 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150
OUTPUT VOLTAGE (mV)
TIME (ns)
V
OUT, dm
= 0.1V
V
S
= ±1.5V
V
S
= ±3.5V
V
S
= ±2.5V
08452-043
Figure 50. Small Signal Transient Response for Various Supplies (LFCSP)
100
–100
0 150
OUTPUT VOLTAGE (mV)
TIME (ns)
–80
–60
–40
–20
0
20
40
60
80
10 20 30 40 50 60 70 80 90 100 110 120 130 140
C
DIFF
= 0pF
V
OUT, dm
= 0.1V p-p
C
COM1
= C
COM2
= 0pF
C
COM1
= C
COM2
= 0.5pF
C
COM1
= C
COM2
= 1pF
C
COM1
= C
COM2
= 2pF
08452-044
Figure 51. Small Signal Transient Response for Various Capacitive Loads
(LFCSP)
1.5
1.0
0.5
0
–0.5
–1.0
–1.5
OUTPUT VOLTAGE (V)
TIME (ns)
V
OUT, dm
= 2V p-p
G = 1, R
L
= 1kΩ
G = 1, R
L
= 200Ω
G = 2, R
L
= 1kΩ
G = 2, R
L
= 200Ω
08452-045
0 30020 40 60 80 100 120 140 160 180 200 220 240 260 280
Figure 52. Large Signal Transient Response for Various Gains and Loads
–1.5
–1.0
–0.5
0
0.5
1.0
1.5
0
20
40
60
80
100
120
140
160 180
200
220
240 260
280
300
OUTPUT VOLTAGE (V)
TIME (ns)
V
OUT, dm
= 2V p-p
V
S
= ±3.5V
V
S
= ±1.5V
V
S
= ±2.5V
08452-046
Figure 53. Large Signal Transient Response for Various Supplies
1.5
1.0
0.5
0
–0.5
–1.0
–1.5
OUTPUT VOLTAGE (V)
TIME (ns)
C
DIFF
= 0pF
V
OUT, dm
= 2V p-p
C
COM1
= C
COM2
= 0pF
C
COM1
= C
COM2
= 0.5pF
C
COM1
= C
COM2
= 1pF
C
COM1
= C
COM2
= 2pF
08452-047
0 30020 40 60 80 100 120 140 160 180 200 220 240 260 280
Figure 54. Large Signal Transient Response for Various Capacitive Loads