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| HFA1212883 Datasheet, PDF (1/5 Pages) Intersil Corporation – Dual, High Speed, Low Power, Video Closed Loop Buffer | |||
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HFA1212/883
PRELIMINARY
June 1994
Dual, High Speed, Low Power,
Video Closed Loop Buffer
Features
Description
⢠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
⢠Standard Operational Ampliï¬er Pinout
⢠Low Supply Current. . . . . . . . . . 5.9mA/Op Amp (Typ)
⢠Excellent Gain Accuracy . . . . . . . . . . . . . . 0.99V/V (Typ)
⢠Wide -3dB Bandwidth . . . . . . . . . . . . . . . 340MHz (Typ)
⢠Fast Slew Rate . . . . . . . . . . . . . . . . . . . . 1155V/µs (Typ)
⢠High Input Impedance . . . . . . . . . . . . . . . . . . 1M⦠(Typ)
⢠Excellent Gain Flatness (to 50MHz) . . . . ±0.02dB (Typ)
⢠Fast Overdrive Recovery. . . . . . . . . . . . . . . <10ns (Typ)
The HFA1212/883 is a dual closed loop Buffer featuring user
programmable gain and high speed performance. Manufac-
tured on Intersilâs proprietary complementary bipolar UHF-1
process, this device offers wide -3dB bandwidth of 340MHz,
very fast slew rate, excellent gain ï¬atness and high output
current.
A unique feature of the pinout allows the user to select a volt-
age gain of +1, -1, or +2, without the use of any external
components. Gain selection is accomplished via connec-
tions to the inputs, as described in the âApplication Informa-
tionâ section. The result is a more ï¬exible product, fewer part
types in inventory, and more efï¬cient use of board space.
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.
Applications
⢠Flash A/D Driver
⢠Video Switching and Routing
⢠Pulse and Video Ampliï¬ers
⢠Wideband Ampliï¬ers
⢠RF/IF Signal Processing
⢠Medical Imaging Systems
Ordering Information
PART NUMBER
TEMPERATURE
RANGE
HFA1212MJ/883
-55oC to +125oC
PACKAGE
8 Lead CerDIP
Pinout
HFA1212/883
(CERDIP)
TOP VIEW
OUT1 1
-IN1 2
+IN1 3
V- 4
-+
+-
8 V+
7 OUT2
6 -IN2
5 +IN2
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
1-888-INTERSIL or 321-724-7143 | Copyright © Intersil Corporation 1999
3-219
Spec Number 511111-883
File Number 3742
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