AD8021 Analog Devices, AD8021 Datasheet - Page 15

• 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

0.003
–100
–110
–120
4V
2V
2V
1V
Figure 43. Enable (t
0.03
0.01
–20
–30
–40
–50
–60
–70
–80
–90
300
100
0.3
0.1
30
10
0
Figure 42. Output Impedance vs. Frequency, Chip Enabled
3
1
10k
10k
t
EN
= 45ns
Figure 41. CMRR vs. Frequency (See Figure 51)
100
100k
DISABLE
100k
V
EN
OUTPUT
)/Disable (t
(See Figure 52)
200
FREQUENCY (Hz)
FREQUENCY (Hz)
t
1M
DIS
TIME (ns)
= 50ns
1M
DIS
) Time vs. V
300
10M
OUT
10M
400
100M
(See Figure 53)
500
100M
1G
Rev. F | Page 15 of 28
Figure 44. Input-to-Output Isolation, Chip Disabled (See Figure 54)
–100
300k
100k
–100
–10
–20
–30
–40
–50
–60
–70
–80
–90
–10
–20
–30
–40
–50
–60
–70
–80
–90
30k
10k
300
100
3k
1k
30
10
Figure 45. Output Impedance vs. Frequency, Chip Disabled
0
0.1M
3
0
10k
10k
Figure 46. PSRR vs. Frequency and Supply Voltage
V
100k
S
100k
= ±2.5V
(See Figure 56 and Figure 57)
1M
(See Figure 55)
FREQUENCY (Hz)
FREQUENCY (Hz)
FREQUENCY (Hz)
1M
1M
10M
–PSRR
10M
10M
V
S
100M
= ±5V
100M
100M
V
AD8021
S
+PSRR
= ±12V
500M
1G
1G