AD8021 Analog Devices, AD8021 Datasheet - Page 24

• Manufacturer Part Number: AD8021
• Description: Low Noise, High Speed Amplifier for 16-Bit Systems
• Manufacturer: Analog Devices

Specifications of AD8021

• -3db Bandwidth: 490MHz
• Slew Rate: 150V/µs
• Vos: 400µV
• Ib: 7.5µA
• # Opamps Per Pkg: 1
• Input Noise (nv/rthz): 2.1nV/rtHz
• Vcc-vee: 4.5V to 24V
• Isy Per Amplifier: 7.7mA
• Packages: SOIC,SOP

AD8021
18
16
14
12
10
8
6
4
2
0
0.1
49.9 Ω
Figure 70. Peaking vs. R
499 Ω
49.9 Ω
+V
–V
S
S
1.0
499 Ω
C
C
FREQUENCY (MHz)
PR
5
6
FET
OBE
R
33pF
SNUB
SNUB
10
C
R
and C
C
SNUB
1k Ω
= 8pF;
R
L
= 17.4 Ω
C
for C
100
L
= 33 pF
C
R
C
R
C
SNUB
C
SNUB
= 7pF;
= 8pF;
= 0 Ω
= 0 Ω
1000
Rev. F | Page 24 of 28
Figure 71. Relationship of R
20
18
16
14
12
10
8
6
4
2
0
0
5
10
15
CAPACITIVE LOAD (pF)
SNUB
20
B
vs. C
25
L
for 2 dB Peaking at a Gain of +2
30
35
40
45
50