AD8044–Typical Performance Characteristics
4
3
CLOSED-LOOP GAIN – dB
2
1
0
–1
–2
V
S
= +5V
R
L
= 2k TO 2.5V
C
L
= 5pF
G = +1
V
O
= 0.2V p-p
+85 C
+25 C
–40 C
70
60
50
TIME – ns
G = –1
R
L
= 2k
V
S
= +3V, 0.1%
V
S
= +5V, 0.1% AND
V
S
= 5V, 0.1%
40
30
20
V
S
= +3V, 1%
V
S
= +5V, 1% AND
V
S
= 5V, 1%
–3
–4
–5
1M
10
0
0.5
10M
FREQUENCY – Hz
100M
1
1.5
INPUT STEPS – Volts p-p
2
Figure 16. Closed-Loop Frequency Response
vs. Temperature
Figure 19. Settling Time vs. Input Step
6
5
4
CLOSED-LOOP GAIN – dB
0
G = +1
R
L
= 2k
C
L
= 5pF
V
O
= 0.2V p-p
+3V
+5V
–10
V
S
=
–20
5V
3
2
1
0
–1
–2
–3
5V
CMRR – dB
–30
–40
–50
–60
V
S
= +3V
5V
+3V
+5V
–70
–80
0.03
–4
100k
1M
10M
FREQUENCY – Hz
100M
0.1
1
10
FREQUENCY – MHz
100
500
Figure 17. Closed-Loop Frequency Response vs. Supply
Figure 20. CMRR vs. Frequency
1.00
100
G = +1
V
S
= +5V
OUTPUT RESISTANCE –
OUTPUT SATURATION VOLTAGE – Volts
R
BT
= 50
0.875
0.750
V
S
= +5V
+5V –V
OH
(+125 C)
10
R
BT
1
V
OUT
+5V –V
OH
(+25 C)
0.625
0.500
0.375
0.250
V
OL
(+125 C)
0.125
V
OL
(–55 C)
0.00
V
OL
(+25 C)
24
27
30
+5V –V
OH
(–55 C)
0.1
R
BT
= 0
0.01
0.03
0.1
1
10
FREQUENCY – MHz
100
500
0
3
6
9
12
15
18
21
LOAD CURRENT – mA
Figure 18. Output Resistance vs. Frequency
Figure 21. Output Saturation Voltage vs. Load Current
–8–
REV. A
AD [ ANALOG DEVICES ]
