AD8432 Analog Devices, AD8432 Datasheet - Page 10

• Manufacturer Part Number: AD8432
• Description: Dual-Channel Ultralow Noise Amplifier with Selectable Gain and Input Impedance
• Manufacturer: Analog Devices

Specifications of AD8432

• Vcc-vee: 4.5V to 5.5V
• Isy Per Amplifier: 12mA
• Packages: CSP
• -3db Bandwidth: 200MHz
• Slew Rate: 170V/µs
• Vos: 1mV
• Ib: n/a
• # Opamps Per Pkg: 2
• Input Noise (nv/rthz): 0.8nV/rtHz

AD8432
–100
–10
–20
–30
–40
–50
–60
–70
–80
–90
50
45
40
35
30
25
20
15
10
20
18
16
14
12
10
8
6
4
2
0
0
5
0
0.01
1
1
Figure 23. Output Third-Order Intercept vs. Frequency
G = 24.08dB
G = 12.04dB
Figure 21. Output Voltage Noise vs. Frequency
LOW TONE
HIGH TONE
Figure 22. IMD3 vs. Frequency
0.1
FREQUENCY (MHz)
FREQUENCY (MHz)
FREQUENCY (MHz)
10
10
1
10
G = 24.08dB
G = 21.58dB
G = 18.06dB
G = 12.04dB
100
100
100
Rev. B | Page 10 of 28
Figure 24. Harmonic Distortion vs. Differential Output Voltage, G = 12.04 dB
Figure 25. Harmonic Distortion vs. Differential Output Voltage, G = 24.08 dB
Figure 26. Harmonic Distortion at 10 MHz vs. Capacitive Load (C
–100
–110
–100
–110
–40
–50
–60
–70
–80
–90
–40
–50
–60
–70
–80
–90
–50
–60
–70
–80
–90
0
0
0
0.5
0.5
HD2, 10MHz
HD2, 1MHz
HD3, 10MHz
HD3, 1MHz
MEASUREMENT
LIMIT
5
1.0
1.0
1.5
1.5
G = 12.04 dB
10
V
V
2.0
OUT
2.0
OUT
C
L
(V p-p)
(V p-p)
(pF)
2.5
2.5
15
3.0
3.0
HD2, 10MHz, 2V p-p
HD2, 10MHz, 1V p-p
HD3, 10MHz, 2V p-p
HD3, 10MHz, 1V p-p
HD2, 10MHz
HD2, 1MHz
HD3, 10MHz
HD3, 1MHz
MEASUREMENT
LIMIT
3.5
3.5
20
4.0
4.0
4.5
4.5
25
L
),