AD8648 Analog Devices, AD8648 Datasheet - Page 9

• Manufacturer Part Number: AD8648
• Description: 24 MHz Rail-to-Rail Quad Amplifier
• Manufacturer: Analog Devices

Specifications of AD8648

• -3db Bandwidth: 22MHz
• Slew Rate: 12V/µs
• Vos: 700µV
• Ib: 0.2pA
• # Opamps Per Pkg: 4
• Input Noise (nv/rthz): 6nV/rtHz
• Vcc-vee: 2.7V to 5.5V
• Isy Per Amplifier: 2mA
• Packages: SOIC,SOP

–20
–40
80
60
40
20
0
10k
–20
–40
–60
250
200
150
100
60
40
20
50
0
0
1k
1
Figure 16. Open-Loop Gain and Phase vs. Frequency
V
T
SY
A
= 25°C
= 2.7V
Figure 17. Closed-Loop Gain vs. Frequency
10
10k
100k
A
A
A
Figure 18. Z
V
V
V
= 100
= 10
= 1
100
FREQUENCY (Hz)
FREQUENCY (Hz)
FREQUENCY (kHz)
100k
A
V
= 100
OUT
1M
vs. Frequency
1k
1M
Ф
M
10k
= 52°
A
10M
V
= 10
A
V
10M
V
R
C
= 1
SY
L
L
100k
V
T
= 1kΩ
= 10pF
A
= 2.7V
SY
= 25°C
= 2.7V
100M
100M
45
90
135
180
0
225
270
1M
Rev. D | Page 9 of 20
–20
–40
80
60
40
20
0
10k
–20
–40
–60
120
100
60
40
20
80
60
40
20
0
0
1k
1
Figure 19. Open-Loop Gain and Phase vs. Frequency
V
T
A
SY
= 25°C
= 5V
Figure 20. Closed-Loop Gain vs. Frequency
100k
10
10k
A
A
A
Figure 21. Z
V
V
V
= 100
= 10
= 1
FREQUENCY (Hz)
100
AD8646/AD8647/AD8648
100k
FREQUENCY (Hz)
FREQUENCY (kHz)
A
V
1M
OUT
= 100
GAIN
vs. Frequency
1k
PHASE
1M
Ф
10k
M
10M
A
V
= 74°
= 10
A
10M
V
R
C
V
SY
L
L
= 1
100k
= 1k
= 10pF
V
T
= 5V
SY
A
= 25°C
Ω
= 5V
100M
0
45
90
135
180
225
270
100M
1M