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Número de pieza | EL4340 | |
Descripción | (EL4340 / EL4342) Multiplexing Amplifiers | |
Fabricantes | Intersil Corporation | |
Logotipo | ||
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Data Sheet
EL4340, EL4342
February 23, 2006
FN7421.2
500MHz Triple, Multiplexing Amplifiers
The EL4340 and EL4342 are fixed unity gain mux amps
featuring high slew rates and excellent bandwidth for video
switching. These devices feature a high impedance output
state (HIZ) that enables the outputs of multiple devices to be
wired together. A power-down mode (ENABLE) is included
to turn off un-needed circuitry in power sensitive
applications. The ENABLE pin, when pulled high, sets the
EL4340 and EL4342 into standby power mode - consuming
just 18mW. An added feature in the EL4340 is a latch enable
function (LE) that allows independent logic control using a
common logic bus.
Ordering Information
PART TAPE &
PART NUMBER MARKING REEL
PACKAGE
PKG.
DWG. #
EL4340IU
EL4340IU
- 24 Ld QSOP
MDP0040
EL4340IU-T7 EL4340IU 7” 24 Ld QSOP
MDP0040
EL4340IU-T13 EL4340IU 13” 24 Ld QSOP
MDP0040
EL4340IUZ
(Note)
EL4340IUZ - 24 Ld QSOP
(Pb-free)
MDP0040
EL4340IUZ-T7 EL4340IUZ 7” 24 Ld QSOP
(Note)
(Pb-free)
MDP0040
EL4340IUZ-T13 EL4340IUZ 13” 24 Ld QSOP
(Note)
(Pb-free)
MDP0040
EL4342ILZA
(Note)
4342ILZ
- 32 Ld Exposed Pad MDP0046
3.6x4.6 QFN
(Pb-free)
EL4342ILZA-T7 4342ILZ
(Note)
7” 32 Ld Exposed Pad MDP0046
3.6x4.6 QFN
(Pb-free)
EL4342ILZA-T13 4342ILZ
(Note)
13” 32 Ld Exposed Pad MDP0046
3.6x4.6 QFN
(Pb-free)
NOTE: Intersil Pb-free plus anneal 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.
Related Literature
• AN1182, EL4340EVAL1 Evaluation Board User's Guide
• AN1193, ISL59445/EL4342E1 Evaluation Board User's
Guide
Features
• Triple 2:1 and 4:1 multiplexers for RGB
• Internally set gain-of-1
• High speed three-state outputs (HIZ)
• Power-down mode (ENABLE)
• Latch enable (EL4340)
• ±5V operation
• ±870 V/µs slew rate
• 500MHz bandwidth
• Typical supply currents 10mA/ch (EL4340) and 15.3mA/ch
(EL4342)
• Pb-free plus anneal available (RoHS compliant)
Applications
• HDTV/DTV analog inputs
• Video projectors
• Computer monitors
• Set-top boxes
• Security video
• Broadcast video equipment
TABLE 1. CHANNEL SELECT LOGIC TABLE EL4340
S0 ENABLE HIZ
LE
OUTPUT
0 0 0 0 INO (A, B, C)
1 0 0 0 IN1 (A, B, C)
X 1 X X Power-down
X0 1 X
High Z
X 0 0 1 Last S0 State
Preserved
TABLE 2. CHANNEL SELECT LOGIC TABLE EL4342
S1 S0 ENABLE HIZ
OUTPUT
0 0 0 0 IN0 (A, B, C)
0 1 0 0 IN1 (A, B, C)
1 0 0 0 IN2 (A, B, C)
1 1 0 0 IN3 (A, B, C)
X X 1 X Power-down
XX 0 1
High Z
1
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
1-888-INTERSIL or 1-888-468-3774 | Intersil (and design) is a registered trademark of Intersil Americas Inc.
Copyright © Intersil Americas Inc. 2005-2006. All Rights Reserved.
All other trademarks mentioned are the property of their respective owners.
1 page EL4340, EL4342
Typical Performance Curves VS = ±5V, RL = 500Ω to GND, TA = 25°C, unless otherwise specified. (Continued)
0.2
SOURCE
0.1 POWER=-20dBm
0
CL=4.7pF
100
-0.1 ²
-0.2
-0.3 CL=1.5pF
-0.4
-0.5
10
1
-0.6
-0.7
-0.8
1
10 100
FREQUENCY (MHz)
1K
0.1
0.1
1 10
FREQUENCY (MHz)
100
FIGURE 3. 0.1dB GAIN vs FREQUENCY
FIGURE 4. ROUT vs FREQUENCY
1K
0.8
RL=500Ω
0.6 CL=1.5pF
0.4
0.2
0
-0.2
-0.4
-0.6
-0.8
TIME (5ns/DIV)
FIGURE 5. EL4340 TRANSIENT RESPONSE
0.8
RL=500Ω
0.6 CL=1.5pF
0.4
0.2
0
-0.2
-0.4
-0.6
-0.8
TIME (5ns/DIV)
FIGURE 6. EL4342 TRANSIENT RESPONSE
0
-10
-20
INPUT X TO OUTPUT Y
CROSSTALK
-30
-40
-50 OFF ISOLATION
INPUT X TO OUTPUT X
-60
-70
-80
-90
-100
0.1
1
10 100
FREQUENCY (MHz)
1K
FIGURE 7. EL4340 CROSSTALK AND OFF ISOLATION
5
0
-10
-20
INPUT X TO OUTPUT Y
CROSSTALK
-30
-40
-50
OFF ISOLATION
-60 INPUT X TO OUTPUT X
-70
-80 ²
-90
-100
0.1
1
10 100
FREQUENCY (MHz)
1K
FIGURE 8. EL4342 CROSSTALK AND OFF ISOLATION
FN7421.2
February 23, 2006
5 Page OPTIONAL SCHOTTKY PROTECTION
5V 0.1µF 0.1µF -5V
Y1
Y2
Y3
R
31
1
INOA
IN1A
7 IN2A
EL4342IL
V+ 23
1nF 1nF
V- 21
12 IN3A
OUTA 22
OUTB 20
Pb1
Pb2
Pb3
G
Pr1
Pr2
Pr3
B
R1 R3 R5 R7 R9 R11
75Ω
75Ω
75Ω
75Ω
75Ω
75Ω
R2 R4 R6 R8 R10 R12
75Ω 75Ω 75Ω 75Ω 75Ω 75Ω
29 INOB
3 IN1B
9 IN2B
14
IN3B
27 INOC
5 IN1C
10 IN2C
16 IN3C
OUTC 19
GNDA
GNDB
GNDC
NIC
NIC
NIC
NIC
NIC
NIC
NIC
NIC
32
6
11
2
4
8
13
15
24
28
30
HIZ 26
ENABLE 25
R16
500Ω
R18
500Ω
R17
500Ω
QFN
S0 18
S1 17
5V 0.1µF 0.1µF -5V
H SYNC
V SYNC
5V 0.1µF 0.1µF
ISL84517IH-T
1 V+ 5
COM
V- 3
SOT-23
IN
4
NC 2
1nF 1nF
ISL84517IH-T
1
COM
V+ 5
V- 3
-5V
SOT-23
NC 2
IN
4
1nF 1nF
5V 0.1µF
NC7ST00P5X
5V 5
INPUT 1
1nF
4 OUT
3 GND
INPUT 2
SC70
FIGURE 22. APPLICATION SHOWING THREE YPBPR CHANNELS AND ONE RGB+HV CHANNEL
LOGIC INPUTS
11 Page |
Páginas | Total 13 Páginas | |
PDF Descargar | [ Datasheet EL4340.PDF ] |
Número de pieza | Descripción | Fabricantes |
EL4340 | (EL4340 / EL4342) Multiplexing Amplifiers | Intersil Corporation |
EL4342 | (EL4340 / EL4342) Multiplexing Amplifiers | Intersil Corporation |
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