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PDF ( 数据手册 , 数据表 ) AD8055

零件编号 AD8055
描述 Voltage Feedback Amplifiers
制造商 Analog Devices
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AD8055 数据手册, 描述, 功能
FEATURES
Low cost single (AD8055) and dual (AD8056)
Easy-to-use voltage feedback architecture
High speed
300 MHz, −3 dB bandwidth (G = +1)
1400 V/μs slew rate
20 ns settling to 0.1%
Low distortion: −72 dBc @ 10 MHz
Low noise: 6 nV/√Hz
Low dc errors: 5 mV max VOS, 1.2 μA max IB
Small packaging
AD8055 available in 5-lead SOT-23
AD8056 available in 8-lead MSOP
Excellent video specifications (RL = 150 Ω, G = +2)
Gain flatness 0.1 dB to 40 MHz
0.01% differential gain error
0.02° differential phase error
Drives 4 video loads (37.5 V) with 0.02% differential
Gain and 0.1° differential phase
Low power, ±5 V supplies 5 mA typ/amplifier power
supply current
High output drive current: over 60 mA
APPLICATIONS
Imaging
Photodiode preamps
Video line drivers
Differential line drivers
Professional cameras
Video switchers
Special effects
A-to-D drivers
Active filters
GENERAL DESCRIPTION
The AD8055 (single) and AD8056 (dual) voltage feedback
amplifiers offer bandwidth and slew rate typically found in
current feedback amplifiers. Additionally, these amplifiers are
easy to use and available at a very low cost.
Despite their low cost, the AD8055 and AD8056 provide
excellent overall performance. For video applications, their
differential gain and phase error are 0.01% and 0.02° into a
150 Ω load and 0.02% and 0.1° while driving four video loads
(37.50 Ω).
Rev. J
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. Specifications subject to change without notice. No
license is granted by implication or otherwise under any patent or patent rights of Analog Devices.
Trademarksandregisteredtrademarksarethepropertyoftheirrespectiveowners.
Low Cost, 300 MHz
Voltage Feedback Amplifiers
AD8055/AD8056
CONNECTION DIAGRAMS
NC 1
8 NC
–IN 2
+IN 3
–VS 4
AD8055
7 +VS
6 VOUT
5 NC
NC = NO CONNECT
Figure 1. N-8 and R-8
VOUT 1
–VS 2
+IN 3
AD8055
5 +VS
4 –IN
Figure 2. RJ-5
OUT1 1
–IN1 2
+IN1 3
–VS 4
AD8056
8 +VS
7 OUT
6 –IN2
5 +IN2
Figure 3. N-8, R-8, and RM-8
Their 0.1 dB flatness out to 40 MHz, wide bandwidth out to
300 MHz, along with 1400 V/μs slew rate and 20 ns settling
time, make them useful for a variety of high speed applications.
The AD8055 and AD8056 require only 5 mA typ/amplifier of
supply current and operate on a dual ±5 V or a single +12 V
power supply, while capable of delivering over 60 mA of load
current. The AD8055 is available in a small 8-lead PDIP, an 8-lead
SOIC, and a 5-lead SOT-23, while the AD8056 is available in an
8-lead MSOP. These features make the AD8055/AD8056 ideal
for portable and battery-powered applications where size and
power are critical. These amplifiers in the R-8, N-8, and RM-8
packages are available in the extended temperature range of
−40°C to +125°C.
5
4 VIN
RC
3 50
2 RG RF
1
0
VOUT
RL
VROL U=T1=00100mV p-p
G = +1
RRFC
=
=
0
100
G = +2
RF = 402
–1
–2
–3
–4
–5
0.3M
G = +10
RF = 909
G = +5
RF = 1000
1M 10M 100M
FREQUENCY (Hz)
Figure 4. Frequency Response
1G
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700
www.analog.com
Fax: 781.461.3113
©2006 Analog Devices, Inc. All rights reserved.







AD8055 pdf, 数据表
AD8055/AD8056
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
–0.1
–0.2
–0.3
–0.4
–0.5
0
VGVOO=UUTT+2==
0V
0V
TO
TO
+2V
–2V
OR
RL = 100
10 20 30 40 50 60
TIME (ns)
Figure 18. Settling Time
10
G = +2
9
RRLF
=
=
100
402
8
7
6
5
4 RISE TIME
3
2
1 FALL TIME
0 0 0.2 0.4 0.6 0.8 1.0 1.2 1.4
VIN (V p-p)
Figure 19. Rise Time and Fall Time vs. VIN
5.0
G = +2
4.5
RRLF
=
=
1k
402
4.0
3.5
RISE TIME
3.0
2.5
2.0
FALL TIME
1.5
1.0
0.5
0
0 0.2 0.4 0.6 0.8 1.0 1.2 1.4
VIN (V p-p)
1.6
1.6
Figure 20. Rise Time and Fall Time vs. VIN
10
G = +2
0 RF = 402
–10
–20
–30
–PSRR
–40
–50 +PSRR
–60
–70
–80
–90
0.1
1 10
FREQUENCY (MHz)
100
Figure 21. PSRR vs. Frequency
500
G = +1
RVSL
=
=
100
±5V
VIN
VOUT
1V 50ns
Figure 22. Overload Recovery
–20
–30
GVIN=
= 0dBm
+2
–40
RRLF
=
=
100
402
–50
–60
SIDE 2 DRIVEN
–70
–80
–90 SIDE 1 DRIVEN
–100
–110
–120
0.1
1 10
FREQUENCY (MHz)
100 200
Figure 23. Crosstalk (Output-to-Output) vs. Frequency
Rev. J | Page 8 of 16







AD8055 equivalent, schematic
AD8055/AD8056
ORDERING GUIDE
Model
AD8055AN
AD8055ANZ1
AD8055AR
AD8055AR-REEL
AD8055AR-REEL7
AD8055ARZ1
AD8055ARZ-REEL1
AD8055ARZ-REEL71
AD8055ART-R2
AD8055ART-REEL
AD8055ART-REEL7
AD8055ARTZ-R21
AD8055ARTZ-REEL71
AD8056AN
AD8056ANZ1
AD8056AR
AD8056AR-REEL
AD8056AR-REEL7
AD8056ARZ1
AD8056ARZ-REEL1
AD8056ARZ-REEL71
AD8056ARM
AD8056ARM-REEL
AD8056ARM-REEL7
AD8056ARMZ1
AD8056ARMZ-REEL1
AD8056ARMZ-REEL71
Temperature Range
−40°C to +125°C
−40°C to +125°C
−40°C to +125°C
−40°C to +125°C
−40°C to +125°C
−40°C to +125°C
−40°C to +125°C
−40°C to +125°C
−40°C to +85°C
−40°C to +85°C
−40°C to +85°C
−40°C to +85°C
−40°C to +85°C
−40°C to +125°C
−40°C to +125°C
−40°C to +125°C
−40°C to +125°C
−40°C to +125°C
−40°C to +125°C
−40°C to +125°C
−40°C to +125°C
−40°C to +125°C
−40°C to +125°C
−40°C to +125°C
−40°C to +125°C
−40°C to +125°C
−40°C to +125°C
Package Description
8-Lead PDIP
8-Lead PDIP
8-Lead SOIC_N
8-Lead SOIC_N, 13" Tape and Reel
8-Lead SOIC_N, 7" Tape and Reel
8-Lead SOIC_N
8-Lead SOIC_N, 13" Tape and Reel
8-Lead SOIC_N, 7" Tape and Reel
5-Lead SOT-23, Reel
5-Lead SOT-23, 13" Tape and Reel
5-Lead SOT-23, 7" Tape and Reel
5-Lead SOT-23, Reel
5-Lead SOT-23, 7" Tape and Reel
8-Lead PDIP
8-Lead PDIP
8-Lead SOIC_N
8-Lead SOIC_N, 13" Tape and Reel
8-Lead SOIC_N, 7" Tape and Reel
8-Lead SOIC_N
8-Lead SOIC_N, 13" Tape and Reel
8-Lead SOIC_N, 7" Tape and Reel
8-Lead MSOP
8-Lead MSOP, 13" Tape and Reel
8-Lead MSOP, 7" Tape and Reel
8-Lead MSOP
8-Lead MSOP, 13" Tape and Reel
8-Lead MSOP, 7" Tape and Reel
1 Z = Pb-free part, # denotes lead-free product may be top or bottom marked.
2 Prior to 0542, parts were branded H3A.
Package Option
N-8
N-8
R-8
R-8
R-8
R-8
R-8
R-8
RJ-5
RJ-5
RJ-5
RJ-5
RJ-5
N-8
N-8
R-8
R-8
R-8
R-8
R-8
R-8
RM-8
RM-8
RM-8
RM-8
RM-8
RM-8
Branding
H3A
H3A
H3A
H3A
H072
H5A
H5A
H5A
H5A#
H5A#
H5A#
©2006 Analog Devices, Inc. All rights reserved. Trademarks and
registered trademarks are the property of their respective owners.
C01063-0-2/06(J)
Rev. J | Page 16 of 16










页数 16 页
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