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HFA1112/883

Description
Ultra High Speed Programmable Gain Buffer Amplifier
File Size320KB,18 Pages
ManufacturerIntersil ( Renesas )
Websitehttp://www.intersil.com/cda/home/
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HFA1112/883 Overview

Ultra High Speed Programmable Gain Buffer Amplifier

TM
HFA1112/883
Ultra High Speed
Programmable Gain Buffer Amplifier
Description
The HFA1112/883 is a closed loop buffer that achieves a
high degree of gain accuracy, wide bandwidth, and low dis-
tortion. Manufactured on the Intersil proprietary complemen-
tary bipolar UHF-1 process, the HFA1112/883 also offers
very fast slew rates, and high output current.
A unique feature of the pinout allows the user to select a
voltage gain of +1, -1, or +2, without the use of any external
components. The result is a more flexible product, fewer part
types in inventory, and more efficient use of board space.
Component and composite video systems will also benefit
from this buffer’s performance, as indicated by the excellent
gain flatness, and 0.02%/0.04 Deg. Differential Gain/Phase
specifications (R
L
= 150Ω).
Compatibility with existing op amp pinouts provides flexibility
to upgrade low gain amplifiers, while decreasing component
count. Unlike most buffers, the standard pinout provides an
upgrade path should a higher closed loop gain be needed at
a future date.
This amplifier is available with programmable output clamps
as the HFA1113/883. For applications requiring a standard
buffer pinout, please refer to the HFA1110/883 datasheet.
June 1994
Features
• This Circuit is Processed in Accordance to MIL-STD-
883 and is Fully Conformant Under the Provisions of
Paragraph 1.2.1.
• User Programmable For Closed-Loop Gains of +1, -1
or +2 Without Use of External Resistors
• Low Differential Gain and Phase . . . . .0.02%/0.04 Deg.
• Low Distortion (HD3, 30MHz) . . . . . . . . . . -73dBc (Typ)
• Wide -3dB Bandwidth . . . . . . . . . . . . . . . 850MHz (Typ)
• Very High Slew Rate . . . . . . . . . . . . . . . 2400V/µs (Typ)
• Fast Settling (0.1%) . . . . . . . . . . . . . . . . . . . . 13ns (Typ)
• Excellent Gain Flatness (to 100MHz) . . . . 0.07dB (Typ)
• Excellent Gain Accuracy . . . . . . . . . . . . . . 0.99V/V (Typ)
• High Output Current . . . . . . . . . . . . . . . . . . 60mA (Typ)
• Fast Overdrive Recovery . . . . . . . . . . . . . . <10ns (Typ)
Applications
• Video Switching and Routing
• Pulse and Video Amplifiers
• Wideband Amplifiers
• RF/IF Signal Processing
• Flash A/D Driver
• Medical Imaging Systems
Ordering Information
PART NUMBER
HFA1112MJ/883
TEMPERATURE
RANGE
-55
o
C to +125
o
C
PACKAGE
8 Lead Ceramic DIP
Pinout
HFA1112/883
(CERDIP)
TOP VIEW
300
300
+IN
V-
3
4
+
-
-IN
2
7
6
5
V+
OUT
NC
NC
1
8
NC
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 Americas Inc.
Copyright © Intersil Americas Inc. 2002. All Rights Reserved
Spec Number
184
511084-883
FN3610.1

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HFA1112/883 HFA1112883 HFA1112MJ/883
Description Ultra High Speed Programmable Gain Buffer Amplifier Ultra High Speed Programmable Gain Buffer Amplifier Ultra High Speed Programmable Gain Buffer Amplifier
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