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AD8014AR-AD8014ART
400 MHz Low Power High Performance Amplifier
REV.B
400 MHz Low Power
High Performance Amplifier
FUNCTIONAL BLOCK DIAGRAMSFEATURES
Low Cost
Low Power: 1.15 mA Max for 5 V Supply
High Speed
400 MHz, –3 dB Bandwidth (G = +1)
4000 V/ms Slew Rate
60 ns Overload Recovery
Fast Settling Time of 24 ns
Drive Video Signals on 50 V Lines
Very Low Noise
3.5 nV/√Hz and 5 pA/√Hz
5 nV/√Hz Total Input Referred Noise @ G = +3 w/500 V
Feedback Resistor
Operates on +4.5 V to +12 V Supplies
Low Distortion –70 dB THD @ 5 MHz
Low, Temperature-Stable DC Offset
Available in SOIC-8 and SOT-23-5
APPLICATIONS
Photo-Diode Preamp
Professional and Portable Cameras
Hand Sets
DVD/CD
Handheld Instruments
A-to-D Driver
Any Power-Sensitive High Speed System
PRODUCT DESCRIPTIONThe AD8014 is a revolutionary current feedback operational
amplifier that attains new levels of combined bandwidth, power,
output drive and distortion. Analog Devices, Inc. uses a propri-
etary circuit architecture to enable the highest performance
amplifier at the lowest power. Not only is it technically superior,
but is low priced, for use in consumer electronics. This general
purpose amplifier is ideal for a wide variety of applications
including battery operated equipment.
The AD8014 is a very high speed amplifier with 400 MHz,
–3 dB bandwidth, 4000 V/ms slew rate, and 24 ns settling time.
The AD8014 is a very stable and easy to use amplifier with fast
overload recovery. The AD8014 has extremely low voltage and
current noise, as well as low distortion, making it ideal for use
in wide-band signal processing applications.
For a current feedback amplifier, the AD8014 has extremely
low offset voltage and input bias specifications as well as low
drift. The input bias current into either input is less than 15 mA
at +25°C with a typical drift of less than 50 nA/°C over the
industrial temperature range. The offset voltage is 5 mV max
with a typical drift less than 10 mV/°C.
For a low power amplifier, the AD8014 has very good drive
capability with the ability to drive 2 V p-p video signals on
75 W or 50 W series terminated lines and still maintain more
than 135 MHz, 3 dB bandwidth.
SOIC-8 (R)NC
–IN
–VSNC
+IN
NC = NO CONNECT
VOUT
+VS
SOT-23-5 (RT)
AD8014–SPECIFICATIONSSpecifications subject to change without notice.
(@ TA = +258C, VS = 65 V, RL = 150 V, RF = 1 kV, Gain = +2, unless otherwise noted)
AD8014NOISE/HARMONIC PERFORMANCE
DC PERFORMANCE
Specifications subject to change without notice.
(@ TA = +258C, VS = +5 V, RL = 150 V, RF = 1 kV, Gain = +2, unless otherwise noted)SPECIFICATIONS
AD8014
CAUTIONESD (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 AD8014 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.
ABSOLUTE MAXIMUM RATINGS1Supply Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12.6 V
Internal Power Dissipation2
Small Outline Package (R) . . . . . . . . . . . . . . . . . . . .0.75 W
SOT-23-5 Package (RT) . . . . . . . . . . . . . . . . . . . . . .0.5 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 +150°C
Operating Temperature Range . . . . . . . . . . .–40°C to +85°C
Lead Temperature (Soldering 10 sec) . . . . . . . . . . . . .+300°C
ESD (Human Body Model) . . . . . . . . . . . . . . . . . . . .+1500 V
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 listed in the operational section of this
specification is not implied. Exposure to Absolute Maximum Ratings for any
extended periods may affect device reliability.Specification is for device in free air at 25°C.
8-Lead SOIC Package qJA = 155°C/W.
5-Lead SOT-23 Package qJA = 240°C/W.
MAXIMUM POWER DISSIPATIONThe maximum power that can be safely dissipated by the AD8014
is limited by the associated rise in junction temperature. The
maximum safe junction temperature for plastic encapsulated
devices is determined by the glass transition temperature of the
plastic. This is approximately +150°C. Even temporarily ex-
ceeding this limit may cause a shift in parametric performance
due to a change in the stresses exerted on the die by the pack-
age. Exceeding a junction temperature of +175°C may result in
device failure.
The output stage of the AD8014 is designed for large load cur-
rent capability. As a result, shorting the output to ground or to
power supply sources may result in a very large power dissipa-
tion. To ensure proper operation it is necessary to observe the
maximum power derating tables.
Table I.Maximum Power Dissipation vs. Temperature
ORDERING GUIDENOTESThe AD8014AR is also available in 13" Reels of 2500 each and 7" Reels of 750 each.Except for samples, the AD8014ART is only available in 7" Reels of 3000 each and 13" Reels of 10000 each.The AD8014A Chips are available only in Waffle Pak of 400 each. The thickness of the AD8014A Chip is 12␣mils –1 mil. The Substrate should be tied to the +VS
source.
FREQUENCY – MHz
NORMALIZED GAIN – dBFigure 1.Frequency Response, G = +1, VS = –5 V and +5 V
FREQUENCY – MHz
NORMALIZED GAIN – dBFigure 2.Frequency Response, G = +2, VO = 2 V p-p
FREQUENCY – MHz
NORMALIZED GAIN – dBFigure 3.Bandwidth vs. Output Voltage Level—
Dual Supply, G = +2
Figure 4.Bandwidth vs. Output Level—Gain of –1, Dual
Supply
Figure 5.Bandwidth vs. Output Level—Single Supply,
G = +2
Figure 6.Bandwidth vs. Output Level—Single Supply,
Gain of –1
AD8014
FREQUENCY – MHz
NORMALIZED GAIN – dBFigure 7.Bandwidth vs. Feedback Resistor—Dual Supply
FREQUENCY – MHz
NORMALIZED GAIN – dBFigure 8.Bandwidth vs. Feedback Resistor—Single Supply
100010010
FREQUENCY – MHz
NORMALIZED GAIN – dB
5.9Figure 9.Gain Flatness—Small Signal
Figure 10.Gain Flatness—Large Signal
Figure 11.Bandwidth vs. Gain—Dual Supply, RF = 1 kW
100010010
FREQUENCY – MHz
GAIN – dBFigure 12.Bandwidth vs. Gain—Single Supply
