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AD8023AR
High Current Output, Triple Video Amplifier
High Current Output,riple Video Amplifier
FEATURES
Drives 13 V Output
Drives Unlimited Capacitive Load
High Current Output Drive: 70 mA
Excellent Video Specifications (RL = 150 �)
Gain Flatness 0.1 dB to 10 MHz
0.06% Differential Gain Error
0.02� Differential Phase Error
Power
Operates on �2.5 V to �7.5 V Supply
10.0mA/Amplifier Max Power Supply Current
High Speed
250 MHz Unity Gain Bandwidth (3 dB)
1200 V/�s Slew Rate
Fast Settling Time of 35ns (0.1%)
High Speed Disable Function
Turn-Off Time 30 ns
Easy to Use
200 mA Short Circuit Current
Output Swing to 1 V of Rails
APPLICATIONS
LCD Displays
Video Line Driver
Broadcast and Professional Video
Computer Video Plug-In Boards
Consumer Video
RGB Amplifier in Component Systems
PRODUCT DESCRIPTIONThe AD8023 is a high current output drive, high voltage output
drive, triple video amplifier. Each amplifier has 70 mA of output
current and is optimized for driving large capacitive loads. The
amplifiers are current feedback amplifiers and feature gain
flatness of 0.1dB to 10 MHz while offering differential gain and
phase error of 0.06% and 0.02°.
The AD8023 uses maximum supply current of 10.0 mA per
amplifier and runs on ±2.5V to ±7.5V power supply. The
outputs of each amplifier swing to within one volt of either
supply rail to easily accommodate video signals. The AD8023
is unique among current feedback op amps by virtue of its large
capacitive load drive with a small series resistor, while still
achieving rapid settling time. For instance, it can settle to 0.1% in
35 ns while driving 300 pF capacitance.
The bandwidth of 250 MHz along with a 1200V/µs slew rate
make the AD8023 useful in high speed applications requiring
a single +5 V or dual power supplies up to ±7.5 V. Further-
more, the AD8023 contains a high speed disable function for
each amplifier in order to power down the amplifier or high
impedance the output. This can then be used in video multi-
plexing applications. The AD8023 is available in the indus-
trial temperature range of –40°C to +85°C.
PIN CONFIGURATION
14-Lead SOICINFigure 1.Pulse Response Driving a Large Load Capacitor,
CL = 300 pF, G = +3, RF = 750 Ω, RS = 16.9 Ω, RL = 10 kΩ
Figure 2.Output Swing Voltage,
RL = 150Ω; VS = ±7.5 V, G = +10
INOO
AD8023–SPECIFICATIONS
DYNAMIC PERFORMANCE
OUTPUT CHARACTERISTICS
(@ TA = +25�C, VS = �7.5, CLOAD = 10 pF, RLOAD = 150 �, unless otherwise noted)
AD8023
POWER SUPPLY (Continued)
DISABLE CHARACTERISTICS
Specifications subject to change without notice.
ABSOLUTE MAXIMUM RATINGS*
SupplyVoltage . . . . . . . . . . . . . . . . . . . . . . . . . .15.5 V Total
InternalPowerDissipation
SmallOutline(R) . . . .1.0Watts (Observe Derating Curves)
Input Voltage (Common Mode) . . . . . . . . . . . . . . . . . . . .±VS
DifferentialInputVoltage . . . . . . . . . . . . . . . .±3V (Clamped)
Output Voltage Limit
Maximum . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .+VS
Minimum . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .–VS
Output Short Circuit Duration
. . . . . . . . . . . . . . . . . . . .Observe Power Derating Curves
Storage Temperature Range
R Package . . . . . . . . . . . . . . . . . . . . . . . . –65°C to +125°C
Operating Temperature Range
AD8023A . . . . . . . . . . . . . . . . . . . . . . . . . .–40°C to +85°C
Lead Temperature Range (Soldering10sec) . . . . . . . .+300°C
*Stresses 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.
ORDERING GUIDE
Maximum Power Dissipation
The maximum power that can be safely dissipated by the AD8023
is limited by the associated rise in junction temperature. The
maximum safe junction temperature for the plastic encapsulated
parts is determined by the glass transition temperature of the
plastic, about 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 junction
temperature of 175°C for an extended period can result in
device failure.
While the AD8023 is internally short circuit protected, this may
not be enough to guarantee that the maximum junction temper-
ature is not exceeded under all conditions. To ensure proper
operation, it is important to observe the derating curves.
It must also be noted that in (noninverting) gain configurations
(with low values of gain resistor), a high level of input overdrive
can result in a large input error current, which may result in a
significant power dissipation in the input stage. This power
must be included when computing the junction temperature rise
due to total internal power.
Figure 3.Maximum Power Dissipation vs. Ambient
Temperature
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
AD8023
Figure 4.Input Common-Mode Voltage Range vs.
Supply Voltage
Typical Performance Characteristics
METALIZATION PHOTO
Contact factory for latest dimensions.
Dimensions shown in inches and (mm).
–IN1
+IN
+VS
DISABLE 3
DISABLE 2
OUT 1
OUT 3
Figure 5.Output Voltage Swing vs. Load Resistance
Figure 6. Total Supply Current vs. Supply Voltage
Figure 7. Output Voltage Swing vs. Supply Voltage
TEMPERATURE – �C
TOTAL SUPPLY CURRENT
mA
Figure 8.Total Supply Current vs. Temperature
TEMPERATURE – �C
INPUT BIAS CURRENT
Figure 9.Input Bias Current vs. Temperature
Figure 10.Input Offset Voltage vs. Temperature
Figure 11.Closed-Loop Output Resistance vs. Frequency
AD8023
FREQUENCY – kHz
VOLTAGE NOISE
nV
�Hz
CURRENT NOISE
pA
�Hz
Figure 12.Input Current and Voltage Noise vs. Frequency
Figure 13.Short Circuit Current vs. Temperature
FREQUENCY – Hz
10k10010
OUTPUT RESISTANCE
Figure 14.Output Resistance vs. Frequency,
Disabled State
FREQUENCY – MHz120010
COMMON-MODE REJECTION
dB
Figure 15.Common-Mode Rejection vs. Frequency
Figure 16.Power Supply Rejection Ratio vs. Frequency
Figure 17.Harmonic Distortion vs. Frequency, RL = 150Ω
