HFA1100, HFA1120
Data Sheet
May 1999
File Number 2945.7
850MHz, Low Distortion Current Feedback
Operational Amplifiers
Features
• Low Distortion (30MHz, HD2). . . . . . . . . . . . . . . . . -56dBc
• -3dB Bandwidth . . . . . . . . . . . . . . . . . . . . . . . . . . 850MHz
• Very Fast Slew Rate. . . . . . . . . . . . . . . . . . . . . . 2300V/µs
• Fast Settling Time (0.1%). . . . . . . . . . . . . . . . . . . . . 11ns
The HFA1100, 1120 are a family of high-speed, wideband,
fast settling current feedback amplifiers built with Intersil's
proprietary complementary bipolar UHF-1 process. Both
amplifiers operate with single supply voltages as low as 4.5V
(see Application Information section).
• Excellent Gain Flatness
The HFA1100 is a basic op amp with uncommitted pins 1, 5,
and 8. The HFA1120 includes inverting input bias current
adjust pins (pins 1 and 5) for adjusting the output offset
voltage.
- (100MHz) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ±0.14dB
- (50MHz) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ±0.04dB
• High Output Current . . . . . . . . . . . . . . . . . . . . . . . . . 60mA
• Overdrive Recovery . . . . . . . . . . . . . . . . . . . . . . . . <10ns
• Operates with 5V Single Supply (See AN9745)
These devices offer a significant performance improvement
over the AD811, AD9617/18, the CLC400-409, and the
EL2070, EL2073, EL2030.
Applications
For Military grade product refer to the HFA1100/883,
HFA1120/883 data sheet.
• Video Switching and Routing
• Pulse and Video Amplifiers
• RF/IF Signal Processing
• Flash A/D Driver
Ordering Information
PART NUMBER
(BRAND)
TEMP.
o
RANGE ( C) PACKAGE
PKG. NO.
E8.3
HFA1100IP
-40 to 85
-40 to 85
8 Ld PDIP
8 Ld SOIC
• Medical Imaging Systems
HFA1100IB
(H1100I)
M8.15
• Related Literature
- AN9420, Current Feedback Theory
- AN9202, HFA11XX Evaluation Fixture
- AN9745, Single 5V Supply Operation
HFA1120IB
(H1120I)
-40 to 85
8 Ld SOIC
M8.15
HFA11XXEVAL
DIP Evaluation Board for High-Speed Op Amps
Pinouts
The Op Amps with Fastest Edges
HFA1100
(PDIP, SOIC)
TOP VIEW
INPUT
220MHz
SIGNAL
1
2
3
4
8
7
6
5
NC
-IN
+IN
V-
NC
V+
-
+
OUT
NC
OUTPUT
(A = 2)
V
HFA1130
OP AMP
HFA1120
(SOIC)
0ns
25ns
TOP VIEW
BAL
-IN
+IN
V-
NC
1
2
3
4
8
7
6
5
V+
-
+
OUT
BAL
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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