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AD8055ANADN/a19avaiLow Cost, 300 MHz Voltage Feedback Amplifiers
AD8055ARADN/a15320avaiLow Cost, 300 MHz Voltage Feedback Amplifiers
AD8055AR-REEL |AD8055ARREELADN/a1552avaiLow Cost, 300 MHz Voltage Feedback Amplifiers
AD8055AR-REEL7 |AD8055ARREEL7ADN/a703avaiLow Cost, 300 MHz Voltage Feedback Amplifiers
AD8055ART-REEL |AD8055ARTREELADN/a815avaiLow Cost, 300 MHz Voltage Feedback Amplifiers
AD8055ART-REEL7 |AD8055ARTREEL7ADIN/a666avaiLow Cost, 300 MHz Voltage Feedback Amplifiers
AD8056ANADN/a40avaiLow Cost, 300 MHz Voltage Feedback Amplifiers
AD8056ARAD ?N/a16avaiLow Cost, 300 MHz Voltage Feedback Amplifiers
AD8056ARMADN/a5550avaiLow Cost, 300 MHz Voltage Feedback Amplifiers
AD8056ARM-REEL |AD8056ARMREELADN/a1776avaiLow Cost, 300 MHz Voltage Feedback Amplifiers
AD8056AR-REEL |AD8056ARREELADN/a439avaiLow Cost, 300 MHz Voltage Feedback Amplifiers


AD8055AR ,Low Cost, 300 MHz Voltage Feedback AmplifiersSPECIFICATIONSunless otherwise noted)Model AD8055A/AD8056AConditions Min Typ Max UnitDYNAMIC PERFOR ..
AD8055AR-REEL ,Low Cost, 300 MHz Voltage Feedback AmplifiersSPECIFICATIONSunless otherwise noted)Model AD8055A/AD8056AConditions Min Typ Max UnitDYNAMIC PERFOR ..
AD8055AR-REEL7 ,Low Cost, 300 MHz Voltage Feedback Amplifiersapplications where size and power are critical. These amplifiers areDifferential Line Driveravailab ..
AD8055ART-REEL ,Low Cost, 300 MHz Voltage Feedback Amplifiersapplications.REV. BInformation furnished by Analog Devices is believed to be accurate andreliable. ..
AD8055ART-REEL7 ,Low Cost, 300 MHz Voltage Feedback AmplifiersFEATURESLow Cost Single (AD8055) and Dual (AD8056)N-8 and SO-8 SOT-23-5 (RT)Easy to Use Voltage Fee ..
AD8056 ,Low Cost, Dual, 300 MHz Voltage Feedback Amplifiersapplications where size and power are critical. These amplifiers inDifferential Line Driverthe R-8 ..
ADM811LARTZ-REEL7 , Microprocessor Supervisory Circuit in 4-Lead SOT-143 with DSP
ADM811LARTZ-REEL7 , Microprocessor Supervisory Circuit in 4-Lead SOT-143 with DSP
ADM811MART , Microprocessor Supervisory Circuit in 4-Lead SOT-143 with DSP
ADM811MART-REEL7 ,Microprocessors Supervisory Circuit in 4-Lead SOT-143FEATURES FUNCTIONAL BLOCK DIAGRAMSuperior Upgrade for MAX811/MAX812Specified Over TemperatureADM811 ..
ADM811MART-REEL-7 ,Microprocessors Supervisory Circuit in 4-Lead SOT-143GENERAL DESCRIPTIONThe ADM811/ADM812 are reliable voltage monitoring devicesV VCC CCsuitable for us ..
ADM811MARTZ-REEL , Microprocessor Supervisory Circuit in 4-Lead SOT-143 with DSP


AD8055AN-AD8055AR-AD8055AR-REEL-AD8055AR-REEL7-AD8055ART-REEL-AD8055ART-REEL7-AD8056AN-AD8056AR-AD8056ARM-AD8056ARM-REEL-AD8056AR-REEL
Low Cost, 300 MHz Voltage Feedback Amplifiers
REV.B
Low Cost, 300 MHz
Voltage Feedback Amplifiers
FUNCTIONAL BLOCK DIAGRAMSFEATURES
Low Cost Single (AD8055) and Dual (AD8056)
Easy to Use Voltage Feedback Architecture
High Speed
300 MHz, –3 dB Bandwidth (G = +1)
1400V/�s 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 �A Max IB
Small Packaging
AD8055 Available in SOT-23-5
AD8056 Available in 8-Lead microSOIC
Excellent Video Specifications (RL = 150 �, G = +2)
Gain Flatness 0.1 dB to 40 MHz
0.01% Differential Gain Error
0.02� Differential Phase Error
Drives Four Video Loads (37.5 �) with 0.02% and
0.1� Differential Gain and Differential Phase
Low Power, �5V Supplies
5 mA Typ/Amplifier Power Supply Current
High Output Drive Current: Over 60 mA
APPLICATIONS
Imaging
Photodiode Preamp
Video Line Driver
Differential Line Driver
Professional Cameras
Video Switchers
Special Effects
A-to-D Driver
Active Filters
PRODUCT DESCRIPTION

The AD8055 (single) and AD8056 (dual) voltage feedback
amplifiers offer bandwidth and slew rate typically found in cur-
rent 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 excel-
lent overall performance. For video applications, their differen-
tial 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 (37.5 Ω).
Their 0.1 dB flatness out to 40 MHz, wide bandwidth out to
300 MHz, along with 1400 V/µs slew rate and 20ns settling
time, make them useful for a variety of high speed applications.
The AD8055 and AD8056 require only 5mA typ/amplifier of
supply current and operate on dual ±5 V or single +12 V power
supply, while being capable of delivering over 60 mA of load
current. All this is offered in a small 8-lead plastic DIP, 8-lead
SOIC packages, 5-lead SOT-23-5 package (AD8055) and an
8-lead microSOIC package (AD8056). These features make
the AD8055/AD8056 ideal for portable and battery powered
applications where size and power are critical. These amplifiersare
available in the industrial temperature range of –40°C to +85°C.
FREQUENCY – Hz
0.3M1G
GAIN – dB10M100M

Figure 1.Frequency Response
N-8 and SO-8
SOT-23-5 (RT)
N-8, SO-8, microSOIC (RM)
AD8055/AD8056–SPECIFICATIONS
(@ TA = +25�C, VS = 65 V, RF = 402 �, RL = 100 �, Gain = +2,
unless otherwise noted)

NOTESOutput current is limited by the maximum power dissipation in the package. See the power derating curves.
Specifications subject to change without notice.
ABSOLUTE MAXIMUM RATINGS1
SupplyVoltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13.2V
InternalPowerDissipation2
PlasticDIP Package (N) . . . . . . . . . . . . . . . . . . . . . . 1.3W
SmallOutlinePackage (R) . . . . . . . . . . . . . . . . . . . . . 0.8W
SOT-23-5 Package (RT) . . . . . . . . . . . . . . . . . . . . . . 0.5 W
microSOIC Package (RM) . . . . . . . . . . . . . . . . . . . . . 0.6 W
Input Voltage (Common Mode) . . . . . . . . . . . . . . . . . . . ±VS
DifferentialInputVoltage . . . . . . . . . . . . . . . . . . . . . .±2.5V
Output Short Circuit Duration
. . . . . . . . . . . . . . . . . . . . . .Observe Power Derating Curves
Storage Temperature Range N, R . . . . . . . . –65°C to +125°C
Operating Temperature Range (A Grade) . . –40°C to +85°C
Lead Temperature Range (Soldering10sec) . . . . . . . +300°C
NOTESStresses 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.Specification is for device in free air:
8-Lead Plastic DIP Package: θJA = 90°C/W
8-Lead SOIC Package: θJA = 155°C/W
5-Lead SOT-23-5 Package: θJA = 240°C/W
8-Lead microSOIC Package: θJA = 200°C/W
MAXIMUM POWER DISSIPATION

The maximum power that can be safely dissipated by the AD8055/
AD8056 is limited by the associated rise in junction temperature.
The maximum safe junction temperature for plastic encapsu-
lated devices is determined by the glass transition temperature
of the plastic, approximately +150°C. Exceeding this limit tem-
porarily may cause a shift in parametric performance due to a
change in the stresses exerted on the die by the package. Exceeding
a junction temperature of +175°C for an extended period can
result in device failure.
While the AD8055/AD8056 are internally short circuit protected,
this may not be sufficient to guarantee that the maximum junc-
tion temperature (+150°C) is not exceeded under all conditions.
To ensure proper operation, it is necessary to observe the maxi-
mum power derating curves.
Figure 2.Plot of Maximum Power Dissipation vs.
Temperature for AD8055/AD8056
CAUTION

ESD (electrostatic discharge) sensitive device. Electrostatic charges as high as 4000V readily
accumulate on the human body and test equipment and can discharge without detection.
Although the AD8055/AD8056 features proprietary ESD protection circuitry, permanent dam-
age may occur on devices subjected to high-energy electrostatic discharges. Therefore, proper
ESD precautions are recommended to avoid performance degradation or loss of functionality.
ORDERING GUIDE
AD8055/AD8056
–Typical Performance Characteristics

Figure 3.Test Circuit, G = +1, RL = 100 Ω
Figure 4.Small Step Response, G = +1
Figure 5.Large Step Response, G = +1
Figure 6.Test Circuit, G = –1, RL = 100 Ω
Figure 7.Small Step Response, G = –1
Figure 8.Large Step Response, G = –1
FREQUENCY – Hz
0.3M1G
GAIN
dB10M100M

Figure 9.Small Signal Frequency Response,
G = +1, G = +2, G = +5, G = +10
FREQUENCY – Hz
0.3M1G
GAIN
dB10M100M

Figure 10.Large Signal Frequency Response,
G = +1, G = +2, G = +5, G = +10
FREQUENCY – Hz
0.3M1G1M10M100M
OUTPUT
dB

Figure 11.0.1 dB Flatness
Figure 12.Distortion vs. Frequency
Figure 13.Distortion vs. Frequency
VOUT – V p-p1.20.40.8
DISTORTION
dBc
–40

Figure 14.Distortion vs. VOUT @ 20 MHz
AD8055/AD8056
VIN – V p-p05.00.51.01.52.02.53.03.54.04.5
RISETIME AND FALLTIME
ns

Figure 15.Risetime and Falltime vs. VIN
VIN – V p-p5.00.51.01.52.02.53.03.54.04.5
RISETIME AND FALLTIME
ns

Figure 16.Risetime and Falltime vs. VIN
TIME – ns
SETTLING TIME 5060
0.7

Figure 17.Settling Time
VIN – V p-p00.20.40.60.81.01.21.41.6
RISETIME AND FALLTIME
ns

Figure 18.Risetime and Falltime vs. VIN
RISETIME AND FALLTIME
ns
VIN – V p-p
4.0

Figure 19. Risetime and Falltime vs. VIN
FREQUENCY – MHz
PSRR
dB

Figure 20.PSRR vs. Frequency
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