ADA4891-3 Analog Devices, ADA4891-3 Datasheet - Page 9

• Manufacturer Part Number: ADA4891-3
• Description: Low Cost CMOS, High Speed, Rail-to-Rail Amplifier (Triple)
• Manufacturer: Analog Devices

Specifications of ADA4891-3

• -3db Bandwidth: 220MHz
• Slew Rate: 170V/µs
• Vos: 2.5mV
• Ib: 2pA
• # Opamps Per Pkg: 3
• Input Noise (nv/rthz): 9nV/rtHz
• Vcc-vee: 2.7V to 5.5V
• Isy Per Amplifier: 4.4mA
• Packages: Mini-SO,SOP

Figure 21. Harmonic Distortion (HD2, HD3) vs. Output Voltage, V
Figure 20. Harmonic Distortion (HD2, HD3) vs. Frequency, V
–100
–110
–120
–100
–120
–110
–10
–40
–50
–60
–70
–80
–90
–40
–50
–60
–70
–80
–90
Figure 19. Large-Signal Frequency Response vs. Gain, V
–1
–2
–3
–4
–5
–6
–7
–8
–9
1
0
0.1
0.1
0
V
R
V
V
R
R
f
V
R
R
C
S
L
OUT
S
F
L
S
F
L
= 1MHz
= 5V
= 1kΩ
= 5V
= 604Ω
= 1kΩ
0.5
= 3V
= 604Ω
= 150Ω
= 2V p-p
1.0
SECOND HARMONIC
THIRD HARMONIC
SECOND HARMONIC
1
THIRD HARMONIC
ADA4891-1/ADA4891-2
1.5
G = +1
OUTPUT VOLTAGE (V p-p)
G = +1
G = +2
V
OUT
FREQUENCY (MHz)
G = –1
FREQUENCY (MHz)
G = +1
2.0
G = +5
V
OUT
= 2V p-p
= 2V p-p
10
2.5
1
3.0
SECOND HARMONIC
THIRD HARMONIC
THIRD HARMONIC
SECOND HARMONIC
3.5
G = +2
G = +2
G = –1
100
G = –1
V
G = +1
OUT
G = +1
V
4.0
OUT
= 2V p-p
= 1V p-p
4.5
S
= 3 V,
S
= 5 V
1k
5.0
S
10
= 5 V
Rev. C | Page 9 of 24
ADA4891-1/ADA4891-2/ADA4891-3/ADA4891-4
Figure 24. Harmonic Distortion (HD2, HD3) vs. Output Voltage, V
Figure 23. Harmonic Distortion (HD2, HD3) vs. Frequency, V
–100
–110
–120
–30
–40
–50
–60
–70
–80
–90
–40
–50
–60
–70
–80
–90
–10
Figure 22. Large-Signal Frequency Response vs. Gain, V
–1
–2
–3
–4
–5
–6
–7
–8
–9
1
0
0.1
0.1
0
SECOND HARMONIC
IN
V
R
V
+V
V
R
R
SECOND HARMONIC
S
L
OUT
50Ω
S
F
L
S
= 3V
= 1kΩ
THIRD HARMONIC
= 3V
= 453Ω
= 150Ω
= +1.9V
= 2V p-p
G = +1
0.5
–V
G = +2
S
= –1.1V
SECOND HARMONIC
G = +2
V
1
OUT
ADA4891-3/ADA4891-4
G = –1
OUTPUT VOLTAGE (V p-p)
1.0
G = +5
V
= 2V p-p
OUT
FREQUENCY (MHz)
G = +1
CONFIGURATION
G = +2
FREQUENCY (MHz)
1kΩ
= 2V p-p
OUT
G = +1
THIRD HARMONIC
10
1.5
1
IN
THIRD HARMONIC
G = +1 CONFIGURATION
50Ω
SECOND HARMONIC
G = +1
–V
+V
2.0
S
G = –1
THIRD HARMONIC
S
= –1.1V
G = +1
= +1.9V
100
G = +1
V
G = –1
V
OUT
OUT
2.5
V
f
C
1kΩ
S
= 1V p-p
= 2V p-p
= 1MHz
= 3V
S
OUT
= 3 V,
S
= 3 V
1k
3.0
S
10
= 3 V