el4342 Intersil Corporation, el4342 Datasheet

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el4342

Manufacturer Part Number
el4342
Description
500mhz Triple, Multiplexing Amplifier
Manufacturer
Intersil Corporation
Datasheet

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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
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
PART NUMBER
EL4340IU
EL4340IU-T7
EL4340IU-T13
EL4340IUZ
(Note)
EL4340IUZ-T7
(Note)
EL4340IUZ-T13
(Note)
EL4342ILZA
(Note)
EL4342ILZA-T7
(Note)
EL4342ILZA-T13
(Note)
Guide
EL4340IU
EL4340IU
EL4340IU
EL4340IUZ
EL4340IUZ
EL4340IUZ
4342ILZ
4342ILZ
4342ILZ
MARKING
PART
TAPE &
®
REEL
13”
13”
13”
7”
7”
7”
-
1
-
-
24 Ld QSOP
24 Ld QSOP
24 Ld QSOP
24 Ld QSOP
(Pb-free)
24 Ld QSOP
(Pb-free)
24 Ld QSOP
(Pb-free)
32 Ld Exposed Pad
3.6x4.6 QFN
(Pb-free)
32 Ld Exposed Pad
3.6x4.6 QFN
(Pb-free)
32 Ld Exposed Pad
3.6x4.6 QFN
(Pb-free)
Data Sheet
PACKAGE
MDP0040
MDP0040
MDP0040
MDP0040
MDP0040
MDP0040
MDP0046
MDP0046
MDP0046
DWG. #
1-888-INTERSIL or 1-888-468-3774
PKG.
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
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
• Pb-free plus anneal available (RoHS compliant)
Applications
• HDTV/DTV analog inputs
• Video projectors
• Computer monitors
• Set-top boxes
• Security video
• Broadcast video equipment
(EL4342)
S0
S1
February 23, 2006
X
X
X
X
X
0
1
0
0
1
1
TABLE 1. CHANNEL SELECT LOGIC TABLE EL4340
TABLE 2. CHANNEL SELECT LOGIC TABLE EL4342
All other trademarks mentioned are the property of their respective owners.
ENABLE
|
Intersil (and design) is a registered trademark of Intersil Americas Inc.
S0
0
0
1
0
0
0
1
0
1
X
X
Copyright © Intersil Americas Inc. 2005-2006. All Rights Reserved.
ENABLE
HIZ
X
0
0
1
0
0
0
0
0
1
0
EL4340, EL4342
HIZ
LE
0
0
X
X
1
0
0
0
0
X
1
INO (A, B, C)
Last S0 State
IN1 (A, B, C)
IN0 (A, B, C)
IN1 (A, B, C)
IN2 (A, B, C)
IN3 (A, B, C)
Power-down
Power-down
Preserved
OUTPUT
OUTPUT
FN7421.2
High Z
High Z

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el4342 Summary of contents

Page 1

... Data Sheet 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 ...

Page 2

... V+ IN1C 18 OUTB GNDB 17 OUTC IN2A 16 V- NIC 15 NIC IN2B NIC THERMAL PAD INTERNALLY CONNECTED TO V-. PAD MUST BE TIED TO V- NIC = NO INTERNAL CONNECTION Functional Diagram EL4342 S0 OUT S1 HIZ ENABLE EL4342 (32 LD QFN) TOP VIEW 1 25 ENABLE 2 24 NIC ...

Page 3

... Input Low Current (Logic Inputs GENERAL t 0.1% Settling Time S PSRR (EL4340) Power Supply Rejection Ratio PSRR (EL4342) Power Supply Rejection Ratio 3 EL4340, EL4342 = 25°C) Storage Temperature Range . . . . . . . . . . . . . . . . . .-65°C to +150°C Ambient Operating Temperature . . . . . . . . . . . . . . . .-40°C to +85°C Operating Junction Temperature . . . . . . . . . . . . . . .-40°C to +125°C Power Dissipation ...

Page 4

... INCLUDES 1.5pF L -8 BOARD CAPACITANCE - FREQUENCY (MHz) FIGURE 1. GAIN vs FREQUENCY EL4340, EL4342 = 25°C, Input Video = 1V A CONDITIONS f = 10MHz, Ch-Ch X-Talk and Off Isolation 1.5pF L NTC- 150 NTC- 150 1.5pF 1.5pF 4.7pF 25 150Ω ...

Page 5

... FIGURE 8. EL4342 CROSSTALK AND OFF ISOLATION 1 10 100 FREQUENCY (MHz) FIGURE FREQUENCY OUT TIME (5ns/DIV) FIGURE 6. EL4342 TRANSIENT RESPONSE INPUT X TO OUTPUT Y CROSSTALK OFF ISOLATION INPUT X TO OUTPUT X ² 100 FREQUENCY (MHz) ...

Page 6

... GND 25°C, unless otherwise specified. (Continued -10 -20 -30 -40 -50 -60 -70 -80 100 1K 0.3 FIGURE 10. EL4342 PSRR CHANNELS S0 50Ω TERM FIGURE 12. CHANNEL TO CHANNEL TRANSIENT RESPONSE ENABLE 50Ω TERM FIGURE 14. ENABLE TRANSIENT RESPONSE V ...

Page 7

... FIGURE 15. HIZ SWITCHING GLITCH 100 1K FREQUENCY (Hz) FIGURE 17. INPUT NOISE vs FREQUENCY (OUTPUT FIGURE 19. PACKAGE POWER DISSIPATION vs AMBIENT TEMPERATURE 7 EL4340, EL4342 ± 5V 500Ω to GND 25°C, unless otherwise specified. (Continued FIGURE 16. HIZ TRANSIENT RESPONSE V ...

Page 8

... GNDA CAPACITIVELY GNDB COUPLED ESD CLAMP GNDC V- CIRCUIT 4 8 EL4340, EL4342 EQUIVALENT CIRCUIT Circuit 1 Channel 1 input for output amplifier "A" Not Internally Connected recommended these pins be tied to ground to minimize crosstalk. Circuit 1 Channel 1 input for output amplifier "B" Circuit 1 Channel 1 input for output amplifier " ...

Page 9

... Application Information General The EL4340 and EL4342 triple 2:1 and 4:1 MUX amps are ideal as the matrix element of high performance switchers and routers. Key features include buffered high impedance analog inputs and excellent AC performance at output loads down to 150Ω ...

Page 10

... V- supply to prevent unwanted current flow to the thermal pad. Do not tie this pin to GND as this could result in large back biased currents flowing between GND and V-. The EL4342 uses the package with pad dimensions 2.48mm and E2 = 3.4mm. Maximum AC performance is achieved if the thermal pad is attached to a dedicated de-coupled layer in a multi-layered PC board ...

Page 11

... ISL84517IH-T 1nF 1nF COM 3 V- -5V SOT- NC7ST00P5X 4 OUT 3 GND 5V 0.1µF 31 1nF 23 INOA V+ EL4342IL 1 IN1A IN2A 12 OUTA 22 IN3A OUTB 20 OUTC 19 29 INOB 3 IN1B GNDA 32 9 IN2B GNDB 6 14 IN3B GNDC 11 NIC 2 NIC 4 ...

Page 12

... QSOP Package Outline Drawing 12 EL4340, EL4342 ® FN7421.2 February 23, 2006 ...

Page 13

... However, no responsibility is assumed by Intersil or its subsidiaries for its use; nor for any infringements of patents or other rights of third parties which may result from its use. No license is granted by implication or otherwise under any patent or patent rights of Intersil or its subsidiaries. For information regarding Intersil Corporation and its products, see www.intersil.com 13 EL4340, EL4342 FN7421.2 February 23, 2006 ...

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