AD8021 Analog Devices, AD8021 Datasheet - Page 12

• 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
Figure 25. Second and Third Harmonic Distortion vs. Feedback Resistor (R
–100
–110
–120
–100
–110
–100
–110
–120
Figure 23. Second and Third Harmonic Distortion vs. V
Figure 24. Second and Third Harmonic Distortion vs. V
–50
–60
–70
–80
–90
–40
–50
–60
–70
–80
–90
–70
–80
–90
1
1
0
THIRD
f
R
R
G = +2
C
L
F
= 1MHz
= 1kΩ
= R
SECOND
SECOND
SECOND
G
f
Fundamental Frequency (f
THIRD
Fundamental Frequency (f
THIRD
THIRD
C
SECOND
f
200
= 5MHz
C
2
2
= 1MHz
FEEDBACK RESISTANCE (Ω)
f
C
= 5MHz
400
3
3
V
V
OUT
f
OUT
C
= 1MHz
(V p-p)
(V p-p)
600
SECOND
4
4
C
C
), G = +10
THIRD
), G = +2
800
5
5
OUT
OUT
and
and
1000
6
6
Rev. F | Page 12 of 28
F
)
3.5
3.4
3.3
3.2
3.1
3.0
2.9
2.8
120
100
–10
–20
–30
–40
–50
0
80
60
40
20
50
40
30
20
10
Figure 27. Short-Circuit Current to Ground vs. Temperature
0
–50
0
Figure 26. DC Output Voltages vs. Load (See Figure 48)
R
G = 2
Figure 28. Small Signal Transient Response vs.
L
, V
–30
400
O
= 50 mV p-p, Noninverting (See Figure 49)
40
–10
800
TEMPERATURE (°C)
10
LOAD ( Ω )
80
V
V
V
TIME (ns)
S
S
S
= ±5.0V
= ±12V
= ±2.5V
30
1200
R
120
L
POSITIVE OUTPUT
NEGATIVE OUTPUT
50
= 1kΩ, 150Ω
1600
70
160
90
2000
–3.1
–3.2
–3.3
–3.4
–3.5
–3.6
–3.7
–3.8
200
110