HFA1130
September 1998
File Number 3369.2
850MHz, Output Limiting, Low Distortion
Current Feedback Operational Amplifier
Features
• User Programmable Output Voltage Limits
The HFA1130 is a high speed wideband current feedback
amplifier featuring programmable output limits. Built with
Intersil’s proprietary complementary bipolar UHF-1 process,
it is the fastest monolithic amplifier available from any
semiconductor manufacturer.
• Low Distortion (30MHz, HD2). . . . . . . . . . . . . . . . . -56dBc
• -3dB Bandwidth . . . . . . . . . . . . . . . . . . . . . . . . . . 850MHz
• Very Fast Slew Rate. . . . . . . . . . . . . . . . . . . . . . 2300V/µs
• Fast Settling Time (0.1%). . . . . . . . . . . . . . . . . . . . . 11ns
This amplifier is the ideal choice for high frequency
applications requiring output limiting, especially those needing
ultra fast overdrive recovery times. The output limiting function
allows the designer to set the maximum positive and negative
output levels, thereby protecting later stages from damage or
input saturation. The sub-nanosecond overdrive recovery time
quickly returns the amplifier to linear operation, following an
overdrive condition.
• Excellent Gain Flatness
- (100MHz) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.14dB
- (50MHz) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.04dB
- (30MHz) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .0.01dB
• High Output Current . . . . . . . . . . . . . . . . . . . . . . . . .60mA
• Overdrive Recovery . . . . . . . . . . . . . . . . . . . . . . . . . <1ns
Applications
The HFA1130 offers significant performance improvements
over the CLC500/501/502.
• Residue Amplifier
A variety of packages and temperature grades are available.
See the ordering information below for details. For /883
product refer to the HFA1130/883 datasheet.
• Video Switching and Routing
• Pulse and Video Amplifiers
• Wideband Amplifiers
• RF/IF Signal Processing
• Flash A/D Driver
Ordering Information
PART NUMBER
(BRAND)
TEMP.
o
RANGE ( C) PACKAGE
PKG. NO.
E8.3
M8.15
• Medical Imaging Systems
HFA1130IP
-40 to 85
-40 to 85
8 Ld PDIP
8 Ld SOIC
• Related Literature
HFA1130IB
(H1130I)
- AN9420, Current Feedback Theory
- AN9202, HFA11XX Evaluation Fixture
HFA11XXEVAL
DIP Evaluation Board for High-Speed Op Amps
Pinout
The Op Amps With Fastest Edges
HFA1130
(PDIP, SOIC)
TOP VIEW
INPUT
220MHz
SIGNAL
8
7
6
5
1
2
3
4
NC
-IN
+IN
V-
V
H
V+
-
+
OUT
OUTPUT
V
L
(A = 2)
V
HFA1130
OP AMP
0ns
25ns
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
http://www.intersil.com or 407-727-9207 | Copyright © Intersil Corporation 1999
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