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PDF EL8300 Data sheet ( Hoja de datos )

Número de pieza EL8300
Descripción Rail-to-Rail Amplifier
Fabricantes Intersil Corporation 
Logotipo Intersil Corporation Logotipo



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No Preview Available ! EL8300 Hoja de datos, Descripción, Manual

®
Data Sheet
May 20, 2005
EL8300
FN7347.2
200MHz Rail-to-Rail Amplifier
The EL8300 represents a triple rail-to-rail amplifier with a -
3dB bandwidth of 200MHz and slew rate of 200V/µs.
Running off a very low supply current of 2mA per channel,
the EL8300 also features inputs that go to 0.15V below the
VS- rail.
The EL8300 includes a fast-acting disable/power-down
circuit. With a 25ns disable and a 200ns enable, the EL8300
is ideal for multiplexing applications.
The EL8300 is designed for a number of general purpose
video, communication, instrumentation, and industrial
applications. The EL8300 is available in an 16-pin SO and
16-pin QSOP packages and is specified for operation over
the -40°C to +85°C temperature range.
Pinout
EL8300
(16-PIN SO, QSOP)
TOP VIEW
INA+ 1
CEA 2
VS- 3
CEB 4
INB+ 5
NC 6
CEC 7
INC+ 8
16 INA-
-
+
15 OUTA
14 VS+
+
-
13 OUTB
12 INB-
11 NC
+
-
10 OUTC
9 INC-
Features
• 200MHz -3dB bandwidth
• 200V/µs slew rate
• Low supply current = 2mA per amplifier
• Supplies from 3V to 5.5V
• Rail-to-rail output
• Input to 0.15V below VS-
• Fast 25ns disable
• Low cost
• Pb-Free pus Anneal available (RoHS compliant)
Applications
• Video amplifiers
• Portable/hand-held products
• Communications devices
Ordering Information
PART
NUMBER
PACKAGE TAPE & REEL PKG. DWG. #
EL8300IS
16-Pin SO - MDP0027
EL8300IS-T7
16-Pin SO
7”
MDP0027
EL8300IS-T13
16-Pin SO
13”
MDP0027
EL8300ISZ
16-Pin SO
-
MDP0027
(See Note)
(Pb-free)
EL8300ISZ-T7
16-Pin SO
7”
MDP0027
(See Note)
(Pb-free)
EL8300ISZ-T13
16-Pin SO
13”
MDP0027
(See Note)
(Pb-free)
EL8300IU
16-Pin QSOP
-
MDP0040
EL8300IU-T7
16-Pin QSOP
7”
MDP0040
EL8300IU-T13 16-Pin QSOP
13”
MDP0040
EL8300IUZ
(See Note)
16-Pin QSOP
(Pb-free)
-
MDP0040
EL8300IUZ-T7
(See Note)
16-Pin QSOP
(Pb-free)
7”
MDP0040
EL8300IUZ-T13 16-Pin QSOP
(See Note)
(Pb-free)
13”
MDP0040
NOTE: Intersil Pb-free products employ special Pb-free material sets;
molding compounds/die attach materials and 100% matte tin plate
termination finish, which are RoHS compliant and compatible with both
SnPb and Pb-free soldering operations. Intersil Pb-free products are
MSL classified at Pb-free peak reflow temperatures that meet or
exceed the Pb-free requirements of IPC/JEDEC J STD-020.
1
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
1-888-INTERSIL or 1-888-352-6832 | Intersil (and design) is a registered trademark of Intersil Americas Inc.
Copyright Intersil Americas Inc. 2003, 2005. All Rights Reserved
All other trademarks mentioned are the property of their respective owners.

1 page




EL8300 pdf
EL8300
Typical Performance Curves (Continued)
10
8
RF=RG=2k
RF=RG=1k
6
4 RF=RG=500
VS=5V
2 AV=2
RL=1k
CL=1.5pF
0
100K
1M
10M
100M
FREQUENCY (Hz)
1G
FIGURE 7. SMALL SIGNAL FREQUENCY RESPONSE FOR
VARIOUS RF AND RG
110
RL=1k
70
RL=150
30
-10 RL=150
-50 RL=1k
405
315
225
135
45
-90
1K
10K 100K 1M 10M 100M
FREQUENCY (Hz)
-45
1G
FIGURE 8. OPEN LOOP GAIN AND PHASE vs FREQUENCY
-10
-30
-50
-70
-90
-110
100K
1M 10M
FREQUENCY (Hz)
100M
FIGURE 9. COMMON-MODE REJECTION RATIO vs
FREQUENCY
100
10
1
0.1
0.01
10K
100K
1M
10M
FREQUENCY (Hz)
100M
FIGURE 11. OUTPUT IMPEDANCE vs FREQUENCY
230
210
190 AV=1
170
150
130
110
90
70
RL=1k
CL=1.5pF
AV=2
50
3 3.5 4 4.5 5 5.5
VS (V)
FIGURE 10. SMALL SIGNAL BANDWIDTH vs SUPPLY
VOLTAGE
2.5
2
1.5
1
0.5 AV=1
RL=1k
CL=1.5pF
0
3 3.5 4 4.5 5 5.5
VS (V)
FIGURE 12. SMALL SIGNAL PEAKING vs SUPPLY VOLTAGE
5

5 Page





EL8300 arduino
EL8300
Typical Applications
VIDEO SYNC PULSE REMOVER
Many CMOS analog to digital converters have a parasitic
latch up problem when subjected to negative input voltage
levels. Since the sync tip contains no useful video
information and it is a negative going pulse, we can chop it
off. Figure 28 shows a gain of 2 connections for EL8300.
Figure 29 shows the complete input video signal applied at
the input, as well as the output signal with the negative going
sync pulse removed.
MULTIPLEXER
Besides the normal power down usage, the ENABLE pin of
the EL8300 can be used for multiplexing applications.
Figure 30 shows two channels with the outputs tied together,
driving a back terminated 75video load. A 2VP-P 2MHz
sine wave is applied to Amp A and a 1VP-P 2MHz sine wave
is applied to Amp B. Figure 31 shows the ENABLE signal
and the resulting output waveform at VOUT. Observe the
break-before-make operation of the multiplexing. Amp A is
on and VIN1 is passed through to the output when the
ENABLE signal is low and turns off in about 25ns when the
ENABLE signal is high. About 200ns later, Amp B turns on
and VIN2 is passed through to the output. The break-before-
make operation ensures that more than one amplifier isn’t
trying to drive the bus at the same time.
VIN
75
5V
+ VS+
-
VS-
75
VOUT
75
1K
1K
FIGURE 28. SYNC PULSE REMOVER
VIN
VOUT
1V
0.5V
0V
1V
0.5V
0V
B 2MHz
1VP-P 75
1K
A
2MHz
2VP-P
75
1K
ENABLE
+2.5V
+-
-2.5V
1K
+2.5V
+
-
-2.5V
1K
75
FIGURE 30. TWO TO ONE MULTIPLEXER
VOUT
75
ENABLE
A
0V
-0.5V
-1.5V
-2.5V
1V
0V
B -1V
M = 50ns/DIV
FIGURE 31. ENABLE SIGNAL
SINGLE SUPPLY VIDEO LINE DRIVER
The EL8300 is wideband rail-to-rail output op amplifiers with
large output current, excellent dG, dP, and low distortion that
allow them to drive video signals in low supply applications.
Figure 32 is the single supply non-inverting video line driver
configuration and Figure 33 is the inverting video ling driver
configuration. The signal is AC coupled by C1. R1 and R2
are used to level shift the input and output to provide the
largest output swing. RF and RG set the AC gain. C2 isolates
the virtual ground potential. RT and R3 are the termination
resistors for the line. C1, C2 and C3 are selected big enough
to minimize the droop of the luminance signal.
M = 10µs/DIV
FIGURE 29. VIDEO SIGNAL
11

11 Page







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