Datasheet

ADA4859-3 Data Sheet
Rev. A | Page 10 of 16
5
–3
–2
–1
0
1
2
3
4
2.5
–1.5
–1.0
–0.5
0
0.5
1.0
1.5
2.0
OUTPUT VOLTAGE (V)
INPUT VOLTAGE (V)
TIME (20ns/DIV)
V
OUT
V
IN
07715-022
Figure 22. Output Overdrive Recovery
2.0
–2.0
–1.6
–1.2
–0.8
–0.4
0
0.4
0.8
1.2
1.6
0.5
–0.5
–0.4
–0.3
–0.2
–0.1
0
0.1
0.2
0.3
0.4
–5 40
353025
20151050
AMPLITUDE (V)
ERROR (%)
TIME (ns)
ERROR
INPUT
OUTPUT
07715-023
Figure 23. Settling Time (Rise)
0
–3.2
–2.8
–2.4
–2.0
–1.6
–1.2
–0.8
–0.4
24
22
20
18
16
14
12
10
8
2.5 5.04.54.03.53.0
CHARGE PUMP OUTPUT VOLTAGE (V)
CURRENT (mA)
CHARGE PUMP SUPPLY VOLTAGE (V)
AMPLIFIER
CURRENT
OUTPUT
VOLTAGE
CHARGE
PUMP CURRENT
07715-024
Figure 24. Charge Pump Voltage and Current vs. Supply Voltage
3.0
–2.0
–1.5
–1.0
–0.5
0
0.5
1.0
1.5
2.0
2.5
1.5
–1.0
–0.5
0
0.5
1.0
OUTPUT VOLTAGE (V)
INPUT VOLTAGE (V)
TIME (20ns/DIV)
V
OUT
V
IN
V
S
= 3.3V
07715-025
Figure 25. Output Overdrive Recovery
2.0
–2.0
–1.6
–1.2
–0.8
–0.4
0
0.4
0.8
1.2
1.6
0.5
–0.5
–0.4
–0.3
–0.2
–0.1
0
0.1
0.2
0.3
0.4
–5 40
3530252015
1050
AMPLITUDE (V)
ERROR (%)
TIME (ns)
INPUT
OUTPUT
ERROR
07715-026
Figure 26. Settling Time, (Fall)
1.5
–1.5
–1.0
–0.5
0
0.5
1.0
6
5
4
3
2
1
0
OUTPUT VOLTAGE (V)
POWER-DOWN VOLTAGE (V)
TIME (400ns/DIV)
V
PD
V
OUT
07715-027
Figure 27. Enable/Power-Down Time