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HA-5020883 Datasheet

  • HA-5020883

  • 100MHz Current Feedback Video Amplifier with Disable

  • 573.96KB

  • 19頁(yè)

  • INTERSIL   INTERSIL

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HA-5020/883
January 1996
100MHz Current Feedback
Video Ampli鏗乪r with Disable
Description
The HA-5020/883 is a wide bandwidth, high slew rate
ampli鏗乪r optimized for video applications and gains between
1 and 10. Manufactured on Intersil鈥檚 Reduced Feature
Complementary Bipolar DI process, this ampli鏗乪r uses cur-
rent mode feedback to maintain higher bandwidth at a given
gain than conventional voltage feedback ampli鏗乪rs. Since it
is a closed loop device, the HA-5020/883 offers better gain
accuracy and lower distortion than open loop buffers.
The HA-5020/883 features low differential gain and phase and
will drive two double terminated 75鈩?coax cables to video
levels with low distortion. Adding a gain 鏗俛tness performance
of 0.1dB makes this ampli鏗乪r ideal for demanding video
applications. The bandwidth and slew rate of the HA-5020/
883 are relatively independent of closed loop gain. The
105MHz unity gain bandwidth only decreases to 77MHz at a
gain of 10. The HA-5020/883 used in place of a conventional
op amp will yield a signi鏗乧ant improvement in the speed
power product. To further reduce power, the HA-5020/883 has
a disable function which signi鏗乧antly reduces supply current,
while forcing the output to a true high impedance state. This
allows the outputs of multiple ampli鏗乪rs to be wire-OR鈥檇 into
multiplexer con鏗乬urations. The device also includes output
short circuit protection and output offset voltage adjustment.
The HA-5020/883 offers signi鏗乧ant enhancements over
competing ampli鏗乪rs, such as the EL2020. Improvements
include unity gain bandwidth, slew rate, video performance,
lower supply current, and superior DC speci鏗乧ations.
Features
鈥?This Circuit is Processed in Accordance to MIL-STD-
883 and is Fully Conformant Under the Provisions of
Paragraph 1.2.1.
鈥?Wide Unity Gain Bandwidth . . . . . . . . . . 105MHz (Min)
鈥?Slew Rate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 800V/碌s
鈥?Output Current . . . . . . . . . . . . . . . . . . . . . .
鹵30mA
(Min)
鈥?Drives 3.5V into 75鈩?/div>
鈥?Differential Gain . . . . . . . . . . . . . . . . . . . . . . . . . . 0.025%
鈥?Differential Phase. . . . . . . . . . . . . . . . . . . . . . .0.025 Deg
鈥?Low Input Noise Voltage . . . . . . . . . . . . . . . . 4.5nV/鈭欻z
鈥?Low Supply Current. . . . . . . . . . . . . . . . . . . 10mA (Max)
鈥?Wide Supply Range . . . . . . . . . . . . . . . . . . .
鹵5V
to
鹵15V
鈥?Output Enable/Disable
鈥?High Performance Replacement for EL2020/883
Applications
鈥?Unity Gain Video/Wideband Buffer
鈥?Video Gain Block
鈥?Video Distribution Amp/Coax Cable Driver
鈥?Flash A/D Driver
鈥?Waveform Generator Output Driver
鈥?Current to Voltage Converter; D/A Output Buffer
鈥?Radar Systems
鈥?Imaging Systems
Ordering Information
PART
NUMBER
HA7-5020/883
HA4-5020/883
TEMPERATURE
RANGE
-55
o
C to +125
o
C
-55 C to +125 C
o
o
PACKAGE
8 Lead CerDIP
20 Lead Ceramic LCC
Pinouts
HA-5020/883
(CERDIP)
TOP VIEW
HA-5020/883
(CLCC)
TOP VIEW
DISABLE
BAL
BAL
NC
NC
-IN
+IN
V-
2
3
4
+
-
7
6
5
V+
OUT
BAL
NC
NC
-IN
NC
+IN
4
5
6
7
8
3
2
1 20 19
18 NC
17 NC
+
-
NC
16 V+
15 NC
14 OUT
NC
BAL
1
8
DISABLE
9 10 11 12 13
V-
NC
NC
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
1-888-INTERSIL or 321-724-7143
|
Copyright
漏
Intersil Corporation 1999
Spec Number
3-94
511080-883
File Number
3541.2

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