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參數(shù)資料
| 型號(hào)： | AD8015 |
| 廠商： | Analog Devices, Inc. |
| 元件分類： | 運(yùn)動(dòng)控制電子 |
| 英文描述： | Wideband/Differential Output Transimpedance Amplifier |
| 中文描述： | 寬帶/差分輸出阻放大器 |
| 文件頁(yè)數(shù)： | 6/8頁(yè) |
| 文件大小： | 153K |
| 代理商： | AD8015 |
REV. A
–6–
AD8015
100
50
1
10
100
1000
FREQUENCY – MHz
0
5V, +25
°
C
PIN 7
PIN 6
I
Figure 12. Output Impedance vs. Frequency
100
–100
20
0
0
10
TIME – ns
V
Figure 13. Small Signal Pulse Response
2
0
–12
10.0E+6
100.0E+6
FREQUENCY – Hz
1.0E+9
–2
–4
–6
–8
–10
0pF
1pF
3pF
5pF
8pF
G
Figure 14. Differential Gain vs. Input Capacitance
APPLIC AT ION
155 Mbps Fiber Optic Receiver
T he AD8015 and AD807 can be used together for a complete
155 Mbps Fiber Optic Receiver (T ransimpedance Amplifier,
Post Amplifier with Signal Detect Output, and Clock Recovery
and Data Retiming) as shown in Figure 16.
T he PIN diode front end is connected to a single mode, 1300 nm
laser source. T he PIN diode has 3.3 V reverse bias, 0.8 A/W
responsivity, 0.7 pF capacitance, and 2.5 GHz bandwidth.
T he AD8015 outputs (P
OUT
and N
OUT
) drive a differential, con-
stant impedance (50
) low-pass
π
filter with a 3 dB cutoff of
100 MHz. T he outputs of the low-pass filter are ac coupled to
the AD807 inputs (PIN and NIN). T he AD807 PLL damping
factor is set at 10 using a 0.22
μ
F capacitor.
T he entire circuit was enclosed in a shielded box. T able I sum-
marizes results of tests performed using a 2
23
–1 PRN sequence,
and varying the average power at the PIN diode.
T he circuit acquires and maintains lock with an average input
power as low as –39.25 dBm
.
80
0
20
10
2
40
30
50
60
70
80
0
20
10
40
30
50
60
70
90
100
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
3
2
30 DEVICES, 2 LOTS:
(+OUT, –OUT)
×
(25
°
C, –40
°
C, 85
°
C)
×
(5V, 4.5V, 11.0V)
FREQUENCY – Hz
P
C
Figure 15. Bandwidth Distribution Matrix
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| AD8015ACHIPS | Wideband/Differential Output Transimpedance Amplifier |
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| AD8016ARB-EVAL | ER 6C 4#16 2#8 PIN RECP WALL |
| AD8016ARB-REEL | Circular Connector; No. of Contacts:5; Series:; Body Material:Aluminum Alloy; Connecting Termination:Solder; Connector Shell Size:22; Circular Contact Gender:Socket; Circular Shell Style:Wall Mount Receptacle RoHS Compliant: No |
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