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AD8015ARZ 数据手册 - ADI（亚德诺）
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ADI（亚德诺）
分类:
运算放大器
封装:
SOIC-8
描述:
ANALOG DEVICES AD8015ARZ 互阻抗放大器, 5 V, 240 MHz, -350 µA, 350 µA, 1000 mV, SOIC
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AD8015ARZ数据手册
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FUNCTIONAL BLOCK DIAGRAM
10kΩ
5
6
7
8
4
3
2
1
AD8015
50Ω
+1
NC
I
IN
NC
V
BYP
–V
S
–OUTPUT
+OUTPUT
+V
S
G = 3
G = 30
NC = NO CONNECT
50Ω
+1
– + +V
S
1.7V
25.0E+3
20.0E+3
000.E+0
10.0E+6 100.0E+6 1.0E+9
15.0E+3
10.0E+3
5.0E+3
FREQUENCY – Hz
X-RESISTANCE – Ω
DIFFERENTIAL
SINGLE-ENDED
Figure 1. Differential/Single-Ended Transimpedance vs.
Frequency
5.0
4.5
4.0
3.5
3.0
2.5
2.0
100.0E+620.0E+6000.0E+0 80.0E+660.0E+640.0E+6
FREQUENCY – Hz
EQUIVALENT INPUT CURRENT NOISE – pA
√
Hz
3.0pF
2.0pF
1.5pF
1.0pF
0.5pF
Figure 2. Noise vs. Frequency (SO-8 Package with
Added Capacitance)
REV. A
Information furnished by Analog Devices is believed to be accurate and
reliable. However, no responsibility is assumed by Analog Devices for its
use, nor for any infringements of patents or other rights of third parties
which may result from its use. No license is granted by implication or
otherwise under any patent or patent rights of Analog Devices.
a
Wideband/Differential Output
Transimpedance Amplifier
AD8015
FEATURES
Low Cost, Wide Bandwidth, Low Noise
Bandwidth: 240 MHz
Pulse Width Modulation: 500 ps
Rise Time/Fall Time: 1.5 ns
Input Current Noise: 3.0 pA/√
Hz @ 100 MHz
Total Input RMS Noise: 26.5 nA to 100 MHz
Wide Dynamic Range
Optical Sensitivity: –36 dBm @ 155.52 Mbps
Peak Input Current: 6350 mA
Differential Outputs
Low Power: 5 V @ 25 mA
Wide Operating Temperature Range: –408C to +858C
APPLICATIONS
Fiber Optic Receivers: SONET/SDH, FDDI, Fibre Channel
Stable Operation with High Capacitance Detectors
Low Noise Preamplifiers
Single-Ended to Differential Conversion
I-to-V Converters
PRODUCT DESCRIPTION
The AD8015 is a wide bandwidth, single supply transimpedance
amplifier optimized for use in a fiber optic receiver circuit. It is a
complete, single chip solution for converting photodiode current
into a differential voltage output. The 240MHz bandwidth enables
AD8015 application in FDDI receivers and SONET/SDH
receivers with data rates up to 155 Mbps. This high bandwidth
supports data rates beyond 300 Mbps. The differential outputs
drive ECL directly, or can drive a comparator/ fiber optic post
amplifier.
In addition to fiber optic applications, this low cost, silicon al-
ternative to GaAs-based transimpedance amplifiers is ideal for
systems requiring a wide dynamic range preamplifier or single-
ended to differential conversion. The IC can be used with a
standard ECL power supply (–5.2 V) or a PECL (+5 V) power
supply; the common mode at the output is ECL compatible.
The AD8015 is available in die form, or in an 8-pin SOIC
package.
© Analog Devices, Inc., 1996
One Technology Way, P.O. Box 9106, Norwood, 02062-9106, U.S.A.
Tel: 617/329-4700 Fax: 617/326-8703
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