HFA1113 Datasheet, PDF (1/17 Pages) Intersil Corporation – 850MHz, Low Distortion, Output Limiting, Programmable Gain, Buffer Amplifier

Data Sheet
HFA1113
February 1999
File Number 1342.5
850MHz, Low Distortion, Output Limiting,
Programmable Gain, Buffer Amplifier
The HFA1113 is a high speed Buffer featuring user
programmable gain and output limiting coupled with ultra
high speed performance. This buffer is the ideal choice for
high frequency applications requiring output limiting,
especially those needing ultra fast overload 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.
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, as described in the “Application Information”
section. 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.
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 Degree Differential
Gain/Phase specifications (R_L = 150Ω).
For Military product, refer to the HFA1113/883 data sheet.
Ordering Information
PART NUMBER
TEMP.
(BRAND)
RANGE (^oC)
PACKAGE
HFA1113IB
(H1113I)
-40 to 85 8 Ld SOIC
PKG.
NO.
M8.15
HFA11XXEVAL DIP Evaluation Board For High Speed Op Amps
Pinout
HFA1113
(SOIC)
TOP VIEW
NC 1
300
300
-IN 2
-
+
+IN 3
V- 4
8 V_H
7 V+
6 OUT
5 V_L
Features
• User Programmable Output Voltage Limiting
• User Programmable For Closed-Loop Gains of +1, -1 or
+2 Without Use of External Resistors
• Wide -3dB Bandwidth. . . . . . . . . . . . . . . . . . . . . . 850MHz
• Excellent Gain Flatness (to 100MHz). . . . . . . . . . ±0.07dB
• Low Differential Gain and Phase . . . 0.02%/0.04 Degrees
• Low Distortion (HD3, 30MHz). . . . . . . . . . . . . . . . . -73dBc
• Very Fast Slew Rate . . . . . . . . . . . . . . . . . . . . . 2400V/µs
• Fast Settling Time (0.1%) . . . . . . . . . . . . . . . . . . . . . 13ns
• High Output Current . . . . . . . . . . . . . . . . . . . . . . . . . 60mA
• Excellent Gain Accuracy . . . . . . . . . . . . . . . . . . . 0.99V/V
• Overdrive Recovery . . . . . . . . . . . . . . . . . . . . . . . . . <1ns
• Standard Operational Amplifier Pinout
Applications
• RF/IF Processors
• Driving Flash A/D Converters
• High-Speed Communications
• Impedance Transformation
• Line Driving
• Video Switching and Routing
• Radar Systems
• Medical Imaging Systems
Pin Descriptions
NAME
PIN
NUMBER
NC
1
-IN
2
+IN
3
V-
4
V_L
5
OUT
6
V+
7
V_H
8
DESCRIPTION
No Connection
Inverting Input
Non-Inverting Input
Negative Supply
Lower Output Limit
Output
Positive Supply
Upper Output Limit
1
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
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