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HFA1149 Datasheet(PDF) 1 Page - Intersil Corporation

Part No. HFA1149
Description  450MHz, Low Power, Video Operational Amplifier with Programmable Output Disable
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Maker  INTERSIL [Intersil Corporation]
Homepage  http://www.intersil.com/cda/home
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HFA1149 Datasheet(HTML) 1 Page - Intersil Corporation

 
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1
TM
File Number
4304.3
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
1-888-INTERSIL or 321-724-7143
| Intersil and Design is a trademark of Intersil Corporation. | Copyright
© Intersil Corporation 2000
HFA1149
450MHz, Low Power, Video Operational
Amplifier with Programmable Output
Disable
The HFA1149 is a high speed, low power, current feedback
amplifier built with Intersil’s proprietary complementary
bipolar UHF-1 process. This amplifier features a unique
combination of power and performance specifically tailored
for video applications.
The HFA1149 incorporates an output disable pin which is
TTL/CMOS compatible, and user programmable for polarity
(active high or low). This feature eliminates the inverter
required between amplifiers in multiplexer configurations.
The ultra-fast (12ns/20ns) disable/enable times make the
HFA1149 the obvious choice for pixel switching and other
high speed multiplexing applications. The HFA1149 is a high
performance, pin compatible upgrade for the popular HA-5020
and HFA1145, as well as the CLC410.
For a comparably performing op amp without an output
disable, please refer to the HFA1109 data sheet.
Pinout
HFA1149
(SOIC)
TOP VIEW
Features
• Wide - 3dB Bandwidth (AV = +2) . . . . . . . . . . . . . 450MHz
• Gain Flatness (To 250MHz) . . . . . . . . . . . . . . . . . . . 0.8dB
• Very Fast Slew Rate (AV = +2) . . . . . . . . . . . . . . 1100V/µs
• High Input Impedance . . . . . . . . . . . . . . . . . . . . . . 1.7M
• Differential Gain/Phase. . . . . . . . . . . 0.02%/0.02 Degrees
• Low Supply Current . . . . . . . . . . . . . . . . . . . . . . . . . 10mA
• Fast Output Disable/Enable . . . . . . . . . . . . . . . 12ns/20ns
Applications
• Professional Video Processing
• Video Switchers and Routers
• Medical Imaging
• PC Multimedia Systems
• Video Pixel Switching
• Video Distribution Amplifiers
• Flash Converter Drivers
• Radar/IF Processing
Ordering Information
PART NUMBER
(BRAND)
TEMP.
RANGE (oC)
PACKAGE
PKG.
NO.
HFA1149IB
(H1149)
-40 to 85
8 Ld SOIC
M8.15
HFA11XXEVAL
DIP Evaluation Board for High Speed
Op Amps
THRESHOLD SET
-IN
+IN
V-
1
2
3
4
8
7
6
5
DIS / DIS
V+
OUT
+
-
POLARITY SET
HFA1149 PIN DESCRIPTIONS
PIN NAME
DESCRIPTION
Threshold Set
Optional Logic Threshold Set. Maintains disable
pin TTL compatibility with asymmetrical supplies
(e.g., +10V, 0V).
Polarity Set
Defines Polarity of Disable Input. High or floating
selects active low disable (i.e., DIS).
DIS/DIS
TTL Compatible Disable Input. Output is driven to
a true Hi-Z state when active. Polarity depends on
state of Polarity Set Pin.
HFA1149 DISABLE FUNCTIONALITY
POLARITY SET
(PIN 5)
DISABLE (PIN 8)
OUTPUT (PIN 6)
High or Float
High or Float
Enabled
High or Float
Low
Disabled
Low
High or Float
Disabled
Low
Low
Enabled
Data Sheet
June 2000


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