AD8021 Analog Devices, AD8021 Datasheet - Page 9

• 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

TYPICAL PERFORMANCE CHARACTERISTICS
T
frequency = 1 MHz, unless otherwise noted.
A
= 25°C, V
Figure 5. Small Signal Frequency Response vs. Frequency and Gain,
Figure 6. Small Signal Frequency Response vs. Frequency and
–1
Figure 7. Small Signal Frequency Response vs. Frequency and
24
21
18
15
12
–3
–6
24
21
18
15
12
–3
–6
9
8
7
6
5
4
3
2
1
0
9
6
3
0
Compensation Capacitor, V
0.1M
9
6
3
0
0.1M
0.1M
S
G = +2
G = +10, R
G = +5, R
G = +2, R
G = +1, R
= ±5 V, R
G = –10, R
R
G = –5, R
R
G = –2, R
R
G = –1, R
R
Gain, V
V
IN
IN
IN
IN
OUT
= 100Ω, C
= 66.5Ω, C
= 63.4Ω, C
= 56.2Ω, C
= 50 mV p-p, Noninverting (See Figure 48)
F
F
F
OUT
F
F
F
F
= 1kΩ, R
= R
= 75Ω, C
F
= 1kΩ, R
= 499Ω, R
= 499Ω, R
1M
= 1kΩ, R
1M
L
1M
= 1kΩ, R
= 50 mV p-p Inverting (See Figure 48)
G
C
= 1 kΩ, G = +2, R
C
C
C
= 0pF
= 499Ω, C
= 1.5pF
= 4pF
= 7pF
G
C
G
G
FREQUENCY (Hz)
FREQUENCY (Hz)
FREQUENCY (Hz)
G
G
G
= 249Ω, C
= 10pF
= 200Ω,
= 110Ω, C
= 100Ω,
= 249Ω,
= 499Ω,
C
OUT
10M
10M
= 7pF
10M
= 50 mV p-p (See Figure 48)
C
C
= 2pF
= 0pF
C
F
C
C
C
= R
C
= 9pF
C
100M
= 9pF
100M
100M
= 7pF
G
= 499 Ω, R
C
C
C
C
= 5pF
= 7pF
1G
1G
1G
S
Rev. F | Page 9 of 28
= 49.9 Ω, R
O
= 976 Ω, R
Figure 8. Small Signal Frequency Response vs. Frequency and Supply,
Figure 9. Small Signal Frequency Response vs. Frequency and Supply,
Figure 10. Frequency Response vs. Frequency and V
–1
–1
–1
–2
–3
–4
–5
–6
–7
9
8
7
6
5
4
3
2
1
0
9
8
7
6
5
4
3
2
1
0
3
2
1
0
1M
D
1M
1M
= 53.6 Ω, C
G = +2
G = –1
G = +2
V
OUT
V
OUT
= 50 mV p-p, Noninverting (See Figure 48)
V
= 50 mV p-p, Inverting (See Figure 50)
OUT
V
OUT
C
= 4V p-p
= 7 pF, C
= 1V p-p
10M
10M
10M
FREQUENCY (Hz)
(See Figure 48)
FREQUENCY (Hz)
FREQUENCY (Hz)
L
V
V
OUT
= 0, C
S
V
V
= ±12V
S
S
V
V
= 0.1V AND 50mV p-p
= ±2.5V
= ±2.5V
S
S
= ±2.5V
= ±2.5V
100M
100M
F
100M
= 0, V
V
V
S
OUT
S
OUT
= ±5V
= ±5V
V
, Noninverting
AD8021
S
= ±12V
= 2 V p-p,
1G
1G
1G