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PDF AD8023 Data sheet ( Hoja de datos )
| Número de pieza | AD8023 | |
| Descripción | High Current Output/ Triple Video Amplifier | |
| Fabricantes | Analog Devices | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de AD8023 (archivo pdf) en la parte inferior de esta página. Total 11 Páginas | ||
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a
High Current Output,
Triple 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
10.0 mA/Amplifier Max Power Supply Current
High Speed
250 MHz Unity Gain Bandwidth (3 dB)
1200 V/s Slew Rate
Fast Settling Time of 35 ns (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 DESCRIPTION
The 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 0.1 dB to 10 MHz while offering differential gain and
phase error of 0.06% and 0.02°.
AD8023
PIN CONFIGURATION
14-Lead SOIC
DISABLE 1 1
DISABLE 2 2
DISABLE 3 3
+VS 4
+IN 1 5
–IN 1 6
OUT 1 7
AD8023
14 OUT 2
13 –IN 2
12 +IN 2
11 –VS
10 +IN 3
9 –IN 3
8 OUT 3
The AD8023 uses maximum supply current of 10.0 mA per
amplifier and runs on ± 2.5 V to ± 7.5 V 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 1200 V/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.
VIN VIN
VO VO
Figure 1. Pulse Response Driving a Large Load Capacitor,
CL = 300 pF, G = +3, RF = 750 Ω, RS = 16.9 Ω, RL = 10 kΩ
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.
Figure 2. Output Swing Voltage,
RL = 150 Ω; VS = ±7.5 V, G = +10
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781/329-4700 World Wide Web Site: http://www.analog.com
Fax: 781/326-8703
© Analog Devices, Inc., 2000
1 page  
25
TA = +25؇C
20
15
10
5
01 2
345 6 7
SUPPLY VOLTAGE – ؎Volts
89
Figure 6. Total Supply Current vs. Supply Voltage
16
TA = +25؇C
14
12
10 SWING
NO LOAD
8
SWING
RL = 150⍀
6
4
2
2345678
SUPPLY VOLTAGE – ؎Volts
Figure 7. Output Voltage Swing vs. Supply Voltage
AD8023
35
30
25
20
–IB
15
10
+IB
5
0
–50 –40 –30 –20 –10 0 10 20 30 40 50 60 70 80 90 100
TEMPERATURE – ؇C
Figure 9. Input Bias Current vs. Temperature
1
0 VS = ؎2.5V
VS = ؎7.5V
–1
–2
–40 –30 –20 –10
0 10 20 30 40 50 60 70 80 90
TEMPERATURE – ؇C
Figure 10. Input Offset Voltage vs. Temperature
24
VS = ؎7.5V
22
20
18
16 VS = ؎2.5V
14
12
10
–50 –40 –30 –20 –10 0 10 20 30 40 50 60 70 80 90 100
TEMPERATURE – ؇C
Figure 8. Total Supply Current vs. Temperature
G = +2
100
31
10
3.1
1
0.31
0.1
VS = ؎2.5V
VS = ؎7.5V
1 10 100 300
FREQUENCY – MHz
Figure 11. Closed-Loop Output Resistance vs. Frequency
REV. A
–5–
5 Page 
OUTLINE DIMENSIONS
Dimensions shown in inches and (mm).
14-Lead Plastic SOIC
(R-14)
0.3444 (8.75)
0.3367 (8.55)
14
0.1574 (4.00)
0.1497 (3.80) 1
8
0.2440 (6.20)
7 0.2284 (5.80)
0.0098 (0.25)
0.0040 (0.10)
PIN 1
0.0688 (1.75)
0.0532 (1.35)
0.0196 (0.50)
x 45°
0.0099 (0.25)
SEATING
0.0500
(1.27)
PLANE BSC
0.0192 (0.49)
0.0138 (0.35)
8°
0.0099 (0.25) 0° 0.0500 (1.27)
0.0075 (0.19) 0.0160 (0.41)
AD8023
REV. A
–11–
11 Page | ||
| Páginas | Total 11 Páginas | |
| PDF Descargar | [ Datasheet AD8023.PDF ] | |
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