1
HA-5020
100MHz Current Feedback
Video Amplifier With Disable
The HA-5020 is a wide bandwidth, high slew rate amplifier
optimized for video applications and gains between 1
and 10. Manufactured on Intersil’s Reduced Feature
Complementary Bipolar DI process, this amplifier uses
current mode feedback to maintain higher bandwidth at a
given gain than conventional voltage feedback amplifiers.
Since it is a closed loop device, the HA-5020 offers better
gain accuracy and lower distortion than open loop buffers.
The HA-5020 features low differential gain and phase and
will drive two double terminated 75
Ω coax cables to video
levels with low distortion. Adding a gain flatness
performance of 0.1dB makes this amplifier ideal for
demanding video applications. The bandwidth and slew rate
of the HA-5020 are relatively independent of closed loop
gain. The 100MHz unity gain bandwidth only decreases to
60MHz at a gain of 10. The HA-5020 used in place of a
conventional op amp will yield a significant improvement in
the speed power product. To further reduce power, HA-5020
has a disable function which significantly reduces supply
current, while forcing the output to a true high impedance
state. This allows the outputs of multiple amplifiers to be
wire-OR’d into multiplexer configurations. The device also
includes output short circuit protection and output offset
voltage adjustment.For multi channel versions of the
HA-5020 see the HA5022 dual with disable, HA5023 dual,
HA5013 triple and HA5024 quad with disable op amp data
sheets.
Pinout
HA-5020
(PDIP, SOIC)
TOP VIEW
Features
Wide Unity Gain Bandwidth . . . . . . . . . . . . . . . . . 100MHz
Slew Rate. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 800V/s
Output Current . . . . . . . . . . . . . . . . . . . . . . . ±30mA (Min)
Drives 3.5V into 75
Ω
Differential Gain . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.03%
Differential Phase . . . . . . . . . . . . . . . . . . . . . . . . . . . .0.03°
Low Input Voltage Noise . . . . . . . . . . . . . . . . . 4.5nV/
√Hz
Low Supply Current . . . . . . . . . . . . . . . . . . . . 10mA (Max)
Wide Supply Range . . . . . . . . . . . . . . . . . . . ±5V to ±15V
Output Enable/Disable
High Performance Replacement for EL2020
Pb-Free (RoHS Compliant)
Applications
Unity Gain Video/Wideband Buffer
Video Gain Block
Video Distribution Amp/Coax Cable Driver
Flash A/D Driver
Waveform Generator Output Driver
Current to Voltage Converter; D/A Output Buffer
Radar Systems
Imaging Systems
BAL
IN-
IN+
V-
1
2
3
4
8
7
6
5
DISABLE
V+
OUT
BAL
+
-
Data Sheet
May 21, 2013
FN2845.12
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
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