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ADA4891-2ARZ-R7 数据表(PDF) 8 Page - Analog Devices

部件名 ADA4891-2ARZ-R7
功能描述  Low Cost CMOS, High Speed, Rail-to-Rail Amplifiers
PDF  20 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
制造商  AD [Analog Devices]
网页  http://www.analog.com
标志 AD - Analog Devices

ADA4891-2ARZ-R7 数据表(HTML) 8 Page - Analog Devices

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ADA4891-1/ADA4891-2
Rev. A | Page 8 of 20
–120
–110
–100
–90
–80
–70
–60
–50
–40
0
0.5
1.0
1.5
2.0
2.5
3.0
OUTPUT VOLTAGE (V p-p)
–4
–3
–2
–1
0
1
2
3
4
5
6
0.1
1
10
100
1k
FREQUENCY (MHz)
VS = 3V
FOR G = –1, RF = 604Ω,
fC = 1MHz
G = –1
SECOND HARMONIC
G = –1
THIRD HARMONIC
G = +1
THIRD HARMONIC
G = +1
SECOND HARMONIC
OUT
IN
+VS = +1.8V
–VS = –1.2V
1k
Ω
50
Ω
G = +1
CONFIGURATION
CL = 47pF
CL = 22pF
Figure 18. Harmonic Distortion vs. Output Voltage, VS = 3 V
–100
–90
–80
–70
–60
–50
–40
00.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
4.5
5.0
OUTPUT VOLTAGE (V p-p)
VS = 5V
SECOND HARMONIC
VS = 5V
THIRD HARMONIC
VS = 3V
SECOND HARMONIC
VS = 3V
THIRD HARMONIC
G = +2
RF = 604Ω
RL = 150Ω
fC = 1MHz
Figure 19. Harmonic Distortion vs. Output Voltage, G = +2
–180
–162
–10
0
0.001
0.01
0.1
1
10
100
1k
FREQUENCY (MHz)
–144
–126
–108
–90
–72
–54
–36
–18
0
10
20
30
40
50
60
70
80
90
VS = 5V
RL = 1kΩ
Figure 20. Open-Loop Gain and Phase vs. Frequency
VS = 5V
G = +2
RL = 150Ω
VOUT = 200mV p-p
CL = 0pF
CL = 10pF
Figure 21. Small Signal Frequency Response vs. CLOAD (CL)
0.06
–0.06
0.04
0.02
0
–0.04
–0.02
0.2
0.1
0
–0.1
–0.2
–0.3
0.3
MODULATING RAMP LEVEL (IRE)
VS = 5V, G = +2
RF = 604Ω, RL =150Ω
VS = 5V, G = +2
RF = 604Ω, RL =150Ω
1ST
2ND
3RD
4TH
5TH
6TH
7TH
8TH
9TH
10TH
1ST
2ND
3RD
4TH
5TH
6TH
7TH
8TH
9TH
10TH
Figure 22. Differential Gain and Phase Errors
1
10
100
1k
10
100
FREQUENCY (Hz)
1k
10k
100k
1M
10M
VS = 5V
G = 1
Figure 23. Input Voltage Noise vs. Frequency



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