AD8027 Analog Devices, AD8027 Datasheet - Page 10

• Manufacturer Part Number: AD8027
• Description: Low Distortion, High Speed Rail-to-Rail Input/Output Amplifier
• Manufacturer: Analog Devices

Specifications of AD8027

• -3db Bandwidth: 190MHz
• Slew Rate: 100V/µs
• Vos: 200µV
• Ib: 3.8µA
• # Opamps Per Pkg: 1
• Input Noise (nv/rthz): 4.3nV/rtHz
• Vcc-vee: 2.7V to 12V
• Isy Per Amplifier: 8.5mA
• Packages: SOIC,SOT

AD8027/AD8028
110
100
–10
90
80
70
60
50
40
30
20
10
–100
–110
–120
–130
–140
0
–10
–20
–30
–40
–50
–60
–70
–80
–90
–1
–2
–3
–4
–5
–6
–7
–8
10
4
3
2
1
0
0.001
0.1
G = +1
V
Figure 18. Open-Loop Gain and Phase vs. Frequency
V1
GAIN
OUT
VI
50Ω
Figure 16. Small Signal Frequency Response vs.
R1
Figure 17. AD8028 Crosstalk Output to Output
100
= 200mV p-p
0.01
R2
50Ω
Input Common-Mode Voltages
1k
1
+
–
AD8028
V
SELECT = HIGH
ICM
1/2
10k
0.1
FREQUENCY (Hz)
U1
FREQUENCY (MHz)
= V
V
SELECT = HIGH OR TRI
FREQUENCY (MHz)
V
SELECT = TRI
ICM
ICM
V
SELECT = TRI
S+
ICM
B TO A
100k
= 0V
– 0.2V
= V
CROSSTALK = 20log (V
= V
10
1
S–
S–
+ 0.2V
R3
1kΩ
1M
+ 0.3V
PHASE
10
A TO B
10M
V
SELECT = HIGH
100
ICM
+
–
AD8028
= V
1/2
100M
100
U2
OUT
S+
03327-A-017
G = +1
V
R
03327-A-015
S
L
03327-A-016
– 0.3V
/V
= 5V
= 1kΩ
IN
1G
V
)
1000
1000
OUT
135
115
95
75
55
35
15
–5
–25
Rev. C | Page 10 of 24
100
Figure 21. Harmonic Distortion vs. Frequency and Supply Voltage
10
1
–100
–120
–140
10
6.9
6.8
6.7
6.6
6.5
6.4
6.3
6.2
6.1
6.0
5.9
–20
–40
–60
–80
0.1
0.1
Figure 19. Voltage and Current Noise vs. Frequency
G = +2
R
L
G = +1
V
R
SECOND HARMONIC: SOLID LINE
THIRD HARMONIC: DASHED LINE
Figure 20. 0.1 dB Flatness Frequency Response
100
OUT
= 150 Ω
L
V
= 1k Ω
S
= +5V
= 2V p-p
V
S
1k
= +3V
1
10k
V
FREQUENCY (Hz)
OUT
FREQUENCY (MHz)
CURRENT
FREQUENCY (MHz)
= 200mV p-p
100k
VOLTAGE
1
10
1M
V
10M
S
= ± 5V
100
V
OUT
100M
03327-A-018
= 2V p-p
10
03327-A-019
03327-A-020
1G
1000
100
10
1
20