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参数资料
| 型号： | H1114I |
| 厂商： | Intersil Corporation |
| 英文描述： | 850MHz Video Cable Driving Buffer |
| 中文描述： | 850MHz的视频线驱动缓冲器 |
| 文件页数： | 1/5页 |
| 文件大小： | 143K |
| 代理商： | H1114I |
1
September 2004
HFA1114
850MHz Video Cable Driving Buffer
FN3151.5
Features
Access to Summing Node Allows Circuit Customization
User Programmable For Closed-Loop Gains of +1, -1
or +2 Without Use of External Resistors
Wide -3dB Bandwidth . . . . . . . . . . . . . . . . . . . . 850MHz
Very Fast Slew Rate . . . . . . . . . . . . . . . . . . . . 2400V/
μ
s
Fast Settling Time (0.1%) . . . . . . . . . . . . . . . . . . . 11ns
High Output Current . . . . . . . . . . . . . . . . . . . . . . . 60mA
Excellent Gain Accuracy. . . . . . . . . . . . . . . . . . 0.99V/V
Overdrive Recovery. . . . . . . . . . . . . . . . . . . . . . . <10ns
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
Description
The HFA1114 is a closed loop Buffer featuring user
programmable gain and ultra high speed performance.
Manufactured on Intersil’ proprietary complementary bipolar
UHF-1 process, the HFA1114 offers a wide -3dB bandwidth
of 850MHz, very fast slew rate, excellent gain flatness, low
distortion 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. Gain selection is accomplished via connections
to the inputs, as described in the “Application Information”
section. The result is a more flexible product, fewer part types
in inventory, and more efficient 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.
For applications requiring a standard buffer pinout, please
refer to the HFA1110 datasheet.
Pinout
HFA1114 (SOIC)
TOP VIEW
Pin Descriptions
Part # Information
PART NUMBER
(BRAND)
TEMP. RANGE
(
o
C)
PACKAGE
PKG.
NO.
HFA1114IB
(H1114I)
-40 to 85
8 Ld SOIC
M8.15
HFA11XXEVAL
DIP Evaluation Board for High Speed
Op Amps
NC
-IN
+IN
V-
1
2
3
4
8
7
6
5
NC
V+
OUT
SN
+
-
300
300
NAME
PIN
NUMBER
DESCRIPTION
NC
1, 8
No Connection
-IN
2
Inverting Input
+IN
3
Non-Inverting Input
V-
4
Negative Supply
SN
5
Summing Node
OUT
6
Output
V+
7
Positive Supply
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., 2004All Rights Reserved
OBSOLETE PRODUCT
HFA1112
POSSIBLE SUBSTITUTE PRODUCT
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