AD8013 Analog Devices, AD8013 Datasheet

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AD8013

Manufacturer Part Number
AD8013
Description
Single Supply, Low Power, Triple Video Amplifier
Manufacturer
Analog Devices
Datasheet

Specifications of AD8013

-3db Bandwidth
480MHz
Slew Rate
1kV/µs
Vos
2mV
Ib
3µA
# Opamps Per Pkg
3
Input Noise (nv/rthz)
3.5nV/rtHz
Vcc-vee
4.2V to 13V
Isy Per Amplifier
4mA
Packages
DIP,SOIC

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a
PRODUCT DESCRIPTION
The AD8013 is a low power, single supply, triple video
amplifier. Each of the three amplifiers has 30 mA of output
current, and is optimized for driving one back terminated video
load (150 ) each. Each amplifier is a current feedback amp-
lifier and features gain flatness of 0.1 dB to 60 MHz while offering
Fine-Scale Gain Flatness vs. Frequency, G = +2, R
REV. A
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
which may result from its use. No license is granted by implication or
otherwise under any patent or patent rights of Analog Devices.
FEATURES
Three Video Amplifiers in One Package
Drives Large Capacitive Load
Excellent Video Specifications (R
Low Power
High Speed
High Speed Disable Function per Channel
Easy to Use
APPLICATIONS
LCD Displays
Video Line Driver
Broadcast and Professional Video
Computer Video Plug-In Boards
Consumer Video
RGB Amplifier in Component Systems
Gain Flatness 0.1 dB to 60 MHz
0.02% Differential Gain Error
0.06 Differential Phase Error
Operates on Single +5 V to +13 V Power Supplies
4 mA/Amplifier Max Power Supply Current
140 MHz Unity Gain Bandwidth (3 dB)
Fast Settling Time of 18 ns (0.1%)
1000 V/ s Slew Rate
Turn-Off Time 30 ns
95 mA Short Circuit Current
Output Swing to Within 1 V of Rails
–0.1
–0.2
–0.3
–0.4
–0.5
0.2
0.1
0
1M
10M
FREQUENCY – Hz
V
S
= +5V
V
S
L
=
100M
= 150
5V
G = +2
R
L
= 150
)
L
= 150
1G
differential gain and phase error of 0.02% and 0.06 . This
makes the AD8013 ideal for broadcast and professional video
electronics.
The AD8013 offers low power of 4 mA per amplifier max and
runs on a single +5 V to +13 V power supply. The outputs of
each amplifier swing to within one volt of either supply rail to
easily accommodate video signals. The AD8013 is unique
among current feedback op amps by virtue of its large capacitive
load drive. Each op amp is capable of driving large capacitive
loads while still achieving rapid settling time. For instance it
can settle in 18 ns driving a resistive load, and achieves 40 ns
(0.1%) settling while driving 200 pF.
The outstanding bandwidth of 140 MHz along with 1000 V/ s
of slew rate make the AD8013 useful in many general purpose
high speed applications where a single +5 V or dual power
supplies up to 6.5 V are required. Furthermore the AD8013’s
high speed disable function can be used to power down the
amplifier or to put the output in a high impedance state. This
can then be used in video multiplexing applications. The
AD8013 is available in the industrial temperature range of
–40 C to +85 C.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 617/329-4700
Channel Switching Characteristics for a 3:1 Mux
Single Supply, Low Power,
100
0%
9
0
1
0
DISABLE 1
DISABLE 2
DISABLE 3
14-Pin DIP & SOIC Package
PIN CONFIGURATION
OUT 1
500mV
5V
+IN 1
–IN 1
Triple Video Amplifier
+V
S
1
2
3
4
5
6
7
AD8013
© Analog Devices, Inc., 1995
500ns
14
13
12
11
10
9
8
AD8013
OUT 2
–IN 2
+IN 2
–V
+IN 3
–IN 3
OUT 3
S
Fax: 617/326-8703

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AD8013 Summary of contents

Page 1

... This makes the AD8013 ideal for broadcast and professional video electronics. The AD8013 offers low power per amplifier max and runs on a single + +13 V power supply. The outputs of each amplifier swing to within one volt of either supply rail to easily accommodate video signals ...

Page 2

... OH V – – + MHz + MHz –2– AD8013A Min Typ Max Units 100 125 MHz 110 140 MHz 50 MHz 60 MHz 400 V/ s 600 1000 ...

Page 3

... Observe Power Derating Curves Storage Temperature Range N and R Package . . . . . . . . . . . . . . . . . . . – +125 C Operating Temperature Range AD8013A . . . . . . . . . . . . . . . . . . . . . . . . . . – +85 C Lead Temperature Range (Soldering 10 sec +300 C NOTES 1 Stresses above those listed under “Absolute Maximum Ratings” may cause permanent damage to the device ...

Page 4

... 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 AD8013 features proprietary ESD protection circuitry, permanent damage may occur on devices subjected to high energy electrostatic discharges. Therefore, proper ESD precautions are recom- mended to avoid performance degradation or loss of functionality ...

Page 5

... Figure 7. Input Offset Voltage vs. Junction Temperature 140 130 120 100 –60 Volts Figure 8. Short Circuit Current vs. Junction Temperature –5– AD8013 – –40 – 100 120 JUNCTION TEMPERATURE – + – ...

Page 6

... AD8013 100 0.1 0.01 100k 1M 10M FREQUENCY – Hz Figure 9. Closed-Loop Output Resistance vs. Frequency 100k 10k 1k 100 10 1M 10M FREQUENCY – Hz Figure 10. Output Resistance vs. Frequency, Disabled State 1k 100 NONINVERTING I 10 INVERTING I V NOISE 1 100 1k 10k FREQUENCY – Hz Figure 11. Input Current and Voltage Noise vs. ...

Page 7

... 800 600 400 200 Figure 19. Maximum Slew Rate vs. Supply Voltage 20ns V V OUT Figure 20. Small Signal Pulse Response, Gain = + –7– AD8013 150 L PHASE +5V S GAIN +5V S 10M 100M FREQUENCY – ...

Page 8

... AD8013 50mV 100 OUT 10 0% 500mV Figure 21. Large Signal Pulse Response, Gain = +10 301 , R = 150 , PHASE GAIN –1 –2 – –4 –5 –6 1M 10M 100M FREQUENCY – Hz Figure 22. Closed-Loop Gain and Phase vs. Frequency, ...

Page 9

... Table II contains values of feedback and series resistors which result in the best pulse responses. Figure 29 shows the AD8013 driving a 300 pF capacitor through a large voltage step with virtually no overshoot. (In this case, the large and small signal pulse responses are quite similar in appearance.) – ...

Page 10

... High Performance Video Line Driver At a gain of +2, the AD8013 makes an excellent driver for a back terminated 75 differential gain and phase errors and wide 0.1 dB bandwidth can be realized. The low gain and group delay matching errors ensure excellent performance in RGB systems. Figures 34 and 35 show the worst case matching ...

Page 11

... S Figure 36. Level Shifting to Drive Disable Pins on Dual Supplies The AD8013’s input stages include protection from the large differential input voltages that may be applied when disabled. 1G Internal clamps limit this voltage to about output isolation will be maintained for voltages below this limit. ...

Page 12

... BSC The AD8013 can be used to build a circuit for switching between any two arbitrary gains while maintaining a constant input impedance. The example of Figure 41 shows a circuit for switching between a noninverting gain of 1 and an inverting gain of 1. The total time for channel switching and output voltage settling is about 80 ns ...

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