AD8644 Analog Devices, AD8644 Datasheet - Page 5

• Manufacturer Part Number: AD8644
• Description: 18 V Operational Amplifier (Quad)
• Manufacturer: Analog Devices

Specifications of AD8644

• -3db Bandwidth: 5.5MHz
• Slew Rate: 7.5V/µs
• Vos: 1mV
• Ib: 80nA
• # Opamps Per Pkg: 4
• Input Noise (nv/rthz): 12nV/rtHz
• Vcc-vee: 5V to 18V
• Isy Per Amplifier: 1.1mA
• Packages: SOIC,SOP

TYPICAL PERFORMANCE CHARACTERISTICS
80
60
40
20
0
1k
–12
50
45
40
35
30
25
20
15
10
12
–4
–8
Figure 6. Open-Loop Gain and Phase Shift vs. Frequency
5V ≤ V
R
C
T
5
0
Figure 4. Small Signal Overshoot vs. Load Capacitance
8
4
0
10
A
L
L
0
= 1MΩ
= 40pF
= 25°C
V
R
T
S
A
L
S
= 18V
= 2kΩ
= 25°C
≤ 18V
Figure 5. Output Swing vs. Settling Time
10k
0.5
0.1%
1.0
FREQUENCY (Hz)
100k
100
0.1%
SETTLING TIME (µs)
CAPACITANCE (pF)
+OS
1.5
–OS
1M
2.0
1k
0.01%
0.01%
2.5
10M
3.0
100M
45
90
135
180
10k
3.5
Rev. B | Page 5 of 16
–0.5
–1.5
–2.5
V
–11
2
7.5
6.5
5.5
4.5
3.5
2.5
1.5
0.5
S
29
25
21
17
13
–3
–7
9
5
1
Figure 8. Large Signal Transient Response, V
Figure 7. Large Signal Transient Response, V
V
R
C
A
T
V
R
C
A
T
V
R
C
A
T
S
A
A
L
L
V
S
L
L
V
S
A
L
L
V
= 5V
= 2kΩ
= 200pF
= 1
= 25°C
= 18V
= 2kΩ
= 200pF
= 25°C
= 1
Figure 9. Small Signal Transient Response
= 5V ≤ V
= 2kΩ
= 200pF
= 1
= 25°C
S
≤ 18V
TIME (500ns/DIV)
TIME (1µs/DIV)
TIME (1µs/DIV)
AD8614/AD8644
S
S
= 18 V
= 5 V