Datasheet

ADA4941-1
Rev. C | Page 8 of 24
TYPICAL PERFORMANCE CHARACTERISTICS
Unless otherwise noted, V
S
= 5 V, R
L, dm
= 1 kΩ, REF = 2.5 V, DIS = LOW, OUT+ directly connected to FB (G = 2), T
A
= 25°C.
2
–16
–15
–14
–13
–12
1 1000
FREQUENCY (MHz)
NORMALIZED CLOSED-LOOP GAIN (dB)
1
0
–1
–2
–3
–11
–4
–5
–6
–7
–8
–9
–10
10 100
V
O, dm
= 0.1V p-p
V
S
= +3V
V
S
= +5V
V
S
= ±5V
05704-004
Figure 5. Small Signal Frequency Response for Various Power Supplies
2
–16
–15
–14
–13
–12
1 1000
FREQUENCY (MHz)
NORMALIZED CLOSED-LOOP GAIN (dB)
1
0
–1
–2
–3
–11
–4
–5
–6
–7
–8
–9
–10
10 100
+25°C
–40°C
+85°C
V
O, dm
= 0.1V p-p
05704-005
Figure 6. Small Signal Frequency Response at Various Temperatures
2
–15
1 1000
FREQUENCY (MHz)
NORMALIZED CLOSED-LOOP GAIN (dB)
10 100
R
L, dm
= 1kΩ
R
L, dm
= 5kΩ
R
L, dm
= 500Ω
1
0
–1
–2
–3
–4
–5
–6
–7
–8
–9
–10
–11
–12
–13
–14
V
O, dm
= 0.1V p-p
05704-006
Figure 7. Small Signal Frequency Response for Various Resistive Loads
2
–16
–15
–14
–13
–12
0.1 100
FREQUENCY (MHz)
NORMALIZED CLOSED-LOOP GAIN (dB)
1
0
–1
–2
–3
–11
–4
–5
–6
–7
–8
–9
–10
1 10
V
S
= +3V
V
O, dm
= 2V p-p
V
S
= +5V
V
O, dm
= 6V p-p
V
S
= ±5V
V
O, dm
= 12V p-p
05704-007
Figure 8. Large Signal Frequency Response for Various Power Supplies
2
–16
–15
–14
–13
–12
0.1 100
FREQUENCY (MHz)
NORMALIZED CLOSED-LOOP GAIN (dB)
1
0
–1
–2
–3
–11
–4
–5
–6
–7
–8
–9
–10
1 10
+25°C
–40°C
+85°C
V
O, dm
= 6V p-p
05704-008
Figure 9. Large Signal Frequency Response at Various Temperatures
2
–16
0.1 10
FREQUENCY (MHz)
NORMALIZED CLOSED-LOOP GAIN (dB)
R
L, dm
= 1kΩ
R
L, dm
= 5kΩ
R
L, dm
= 500Ω
V
O, dm
= 6V p-p
1
0
–1
–2
–3
–4
–5
–6
–7
–8
–9
–10
–11
–12
–13
–14
–15
1
05704-009
Figure 10. Large Signal Frequency Response for Various Resistive Loads