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PDF AD8017 Data sheet ( Hoja de datos )
| Número de pieza | AD8017 | |
| Descripción | High Speed Amplifier | |
| Fabricantes | Analog Devices | |
| Logotipo |  |
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FEATURES
High Output Drive Capability
20 V p-p Differential Output Voltage, RL = 50 ⍀
10 V p-p Single-Ended Output Voltage While
Delivering 200 mA to a 25 ⍀ Load
Low Power Operation
5 V to 12 V Voltage Supply @ 7 mA/Amplifier
Low Distortion
–78 dBc @ 500 kHz SFDR, RL = 100 ⍀, VO = 2 V p-p
–58 dBc Highest Harmonic @ 1 MHz, IO = 270 mA
(RL = 10 ⍀)
High Speed
160 MHz, –3 dB Bandwidth (G = +2)
1600 V/s Slew Rate
APPLICATIONS
xDSL PCI Cards
Consumer DSL Modems
Line Driver
Video Distribution
PRODUCT DESCRIPTION
The AD8017 is a low cost, dual high speed amplifier capable of
driving low distortion signals to within 1.0 V of the supply rail.
It is intended for use in single supply xDSL systems where low
distortion and low cost are essential. The amplifiers will be able
to drive a minimum of 200 mA of output current per amplifier.
The AD8017 will deliver –78 dBc of SFDR at 500 kHz, required
for many xDSL applications.
Fabricated in ADI’s high speed XFCB process, the high bandwidth
and fast slew rate of the AD8017 keep distortion to a minimum, while
dissipating a minimum amount of power. The quiescent current of
the AD8017 is 7 mA/amplifier.
Low distortion, high output voltage drive, and high output current
drive make the AD8017 ideal for use in low cost Customer Premise
End (CPE) equipment for ADSL, SDSL, VDSL and proprietary
xDSL systems.
The AD8017 drive capability comes in a very compact form.
Utilizing ADI’s proprietary Thermal Coastline SOIC package,
the AD8017’s total (static and dynamic) power on 12 V supplies
is easily dissipated without external heat sink, other than to place
the AD8017 on a 4-layer PCB.
The AD8017 will operate over the commercial temperature
range –40°C to +85°C.
Dual High Output Current,
High Speed Amplifier
AD8017
PIN CONFIGURATION
8-Lead Thermal Coastline SOIC (SO-8)
OUT1 1
–IN1 2
+IN1 3
–VS 4
AD8017
–
+–
+
8 +VS
7 OUT2
6 –IN2
5 +IN2
12
VS = ؎6V
10
8
6
4
VS = ؎2.5V
2
0
1 10 100 1000
LOAD RESISTANCE – ⍀
Figure 1. Output Swing vs. Load Resistance
+VS
+
R1
+
VIN VREF
RL = 100⍀
OR
135⍀
VOUT
LINE
POWER
IN dB
–
–VS
R2
NP:NS
TRANSFORMER
–
Figure 2. Differential Drive Circuit for xDSL Applications
REV. C
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 that
may result from its use. No license is granted by implication or otherwise
under any patent or patent rights of Analog Devices.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781/329-4700
www.analog.com
Fax: 781/326-8703
© Analog Devices, Inc., 2002
1 page  
AD8017
ABSOLUTE MAXIMUM RATINGS1
Supply Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13.2 V
Internal Power Dissipation2
Small Outline Package (R) . . . . . . . . . . . . . . . . . . . . . . . 1.3 W
Input Voltage (Common Mode) . . . . . . . . . . . . . . . . . . . . ± VS
Differential Input Voltage . . . . . . . . . . . . . . . . . . . . . . ± 2.5 V
Output Short Circuit Duration
. . . . . . . . . . . . . . . . . . . . Observe Power Derating Curves
Storage Temperature Range . . . . . . . . . . . . –65°C to +125°C
Operating Temperature Range . . . . . . . . . . . –40°C to +85°C
Lead Temperature Range (Soldering 10 sec) . . . . . . . . . 300°C
NOTES
1Stresses above those listed under Absolute Maximum Ratings may cause perma-
nent damage to the device. This is a stress rating only; functional operation of the
device at these or any other conditions above those indicated in the operational
section of this specification is not implied. Exposure to absolute maximum rating
conditions for extended periods may affect device reliability.
2Specification is for device on a two-layer board with 2500 mm2 of 2 oz. copper at
+25°C 8-lead SOIC package: θJA = 95.0°C/W.
The output stage of the AD8017 is designed for maximum load
current capability. As a result, shorting the output to common
can cause the AD8017 to source or sink 500 mA. To ensure
proper operation, it is necessary to observe the maximum power
derating curves. Direct connection of the output to either power
supply rail can destroy the device.
2.0
1.5
1.0
TJ = 125؇C
0.5
TJ = 150؇C
MAXIMUM POWER DISSIPATION
The maximum power that can be safely dissipated by the AD8017
is limited by the associated rise in junction temperature. The
maximum safe junction temperature for plastic encapsulated
device is determined by the glass transition temperature of the
plastic, approximately 150°C. Temporarily exceeding this limit
may cause a shift in parametric performance due to a change in
the stresses exerted on the die by the package. Exceeding a junc-
tion temperature of 175°C for an extended period can result in
device failure.
0
0 10 20 30 40 50 60 70 80 90
AMBIENT TEMPERATURE – ؇C
Figure 3. Plot of Maximum Power Dissipation vs.
Temperature for AD8017
ORDERING GUIDE
Model
AD8017AR
AD8017AR-REEL
AD8017AR-REEL7
AD8017AR-EVAL
Temperature Range
–40°C to +85°C
–40°C to +85°C
–40°C to +85°C
Package Description
8-Lead SOIC
Tape and Reel 13"
Tape and Reel 7"
Evaluation Board
Package Option
SO-8
SO-8
SO-8
619⍀
619⍀
VOUT
RL
VIN
49.9⍀
0.1F
+
10F
+VS
0.1F
+
10F
–VS
Figure 4. Test Circuit: Gain = +2
619⍀
619⍀
VIN
54.4⍀
VOUT
RL
0.1F
0.1F
+
10F
+
10F
Figure 5. Test Circuit: Gain = –1
+VS
–VS
CAUTION
ESD (electrostatic discharge) sensitive device. Electrostatic charges as high as 4000 V readily
accumulate on the human body and test equipment and can discharge without detection.
Although the AD8017 features proprietary ESD protection circuitry, permanent damage may
occur on devices subjected to high-energy electrostatic discharges. Therefore, proper ESD
precautions are recommended to avoid performance degradation or loss of functionality.
WARNING!
ESD SENSITIVE DEVICE
–4– REV. C
5 Page 
AD8017
+2mV
(+0.1%)
0
–2mV
(+0.1%)
G = +2
VOUT = 2VSTEP
RL - 100⍀
VS = ؎6V
0 10 20 30 40 50 60 70 80 90
TIME – ns
TPC 29. Settling Time; VS = ±6.0 V
–20
VOUT = 2V p-p
–30 G = +2
RL = 100⍀
–40
–50
–60
–70
–80
–90
–100
0.1
1 10 100
FREQUENCY – MHz
1000
TPC 30. Output Crosstalk vs. Frequency
1000000
100000
ZIN
10000
100
10
ZOUT
1
1000
0.1
1 10 100
FREQUENCY – MHz
0.1
1000
TPC 31. Input and Output Impedance vs. Frequency
6
5
4 VOUT
3
2
1
0
VIN
–1
–2
–10 10 30 50 70 90 110 130 150
2
1
VIN
0
–3
–3
–3
VOUT
–4
–5
–6
–10 10 30 50 70 90 110 130 150
TIME – ns
TPC 32. Overload Recovery; VS = ±6 V, G = +2,
RL = 100 Ω, VIN = 5 V p-p, T = 1 µs
–10–
REV. C
11 Page | ||
| Páginas | Total 17 Páginas | |
| PDF Descargar | [ Datasheet AD8017.PDF ] | |
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