Datasheet

REV. A
AD8018
–4–
AD8018
ⴙV
S
V
SIGNAL
50⍀
750⍀
750⍀
–V
S
R
LOAD
V
OUT
10␮F
TANT
10␮F
TANT
0.1␮F
0.1␮F
TPC 1. Single-Ended Test Circuit
TIME – ns
0
OUTPUT VOLTAGE – mV
–50
–100
–150
50
100
0
50
100
150
G = 2
V
S
= ⴞ2.5V
R
L
= 5⍀
150 200 250 300 350 400 450 500
TPC 2. Small Signal Step Response
TIME – ns
0
OUTPUT VOLTAGE – V
–1
–2
–3
50
100
0
1
2
3
G = 2
V
S
= ⴞ2.5V
R
L
= 5⍀
150 200 250 300 350 400 450 500
TPC 3. Large Signal Step Response
–Typical Performance Characteristics
1
FREQUENCY – Hz
10
10
1
100
1000
100 1k 10k 100k 1M
0.1
10
100
V
S
= ⴞ2.5V
R
L
= 100⍀
V
NOISE
ⴙI
NOISE
ⴚI
NOISE
V
NOISE
– nV/ Hz (RTI)
I
NOISE
– pA/ Hz
TPC 4. I
NOISE
and V
NOISE
vs. Frequency
FREQUENCY – MHz
0.01
OUTPUT IMPEDANCE – ⍀
500
0
2k
2.5k
3k
(1,1)
(0,0)
1.5k
1k
0.1 1 10 100
1k
(1,0)
V
S
=ⴞ2.5V
TPC 5. Output Impedance vs. Frequency, for Full Power,
Standby, and Shutdown Modes
mV
–1
–2
–3
1
2
3
0
G = 2
V
S
= ⴞ2.5
V
IN
= 2V p-p
R
L
= 100⍀
0
10 20 30 40 50 60 70 80 10090
TIME – ns
V
OUT
– (V
IN
ⴛ2)
(–0.1%)
(+0.1%)
TPC 6. 0.1% Settling Time