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What is ISL59446?

This electronic component, produced by the manufacturer "Intersil Corporation", performs the same function as "Multiplexing Amplifier".


ISL59446 Datasheet PDF - Intersil Corporation

Part Number ISL59446
Description Multiplexing Amplifier
Manufacturers Intersil Corporation 
Logo Intersil Corporation Logo 


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Data Sheet
May 19, 2006
ISL59446
FN6261.0
500MHz Triple 4:1 Gain-of-2, Multiplexing
Amplifier
The ISL59446 is a triple channel 4:1 multiplexer featuring
integrated amplifiers with a fixed gain of 2, high slew-rate
and excellent bandwidth for video switching. The device
features a three-state output (HIZ), which allows the outputs
of multiple devices to be tied together. A power-down mode
(ENABLE) is included to turn off un-needed circuitry in power
sensitive applications. When the ENABLE pin is pulled high,
the part enters a power-down mode and consumes just
14mW.
Ordering Information
PART NUMBER PART TAPE & PACKAGE
(Note)
MARKING REEL (Pb-Free)
PKG.
DWG. #
ISL59446IRZ IRZ
- 32 Ld QFN
L32.5x6A
ISL59446IRZ-T7 IRZ
7” 32 Ld QFN
L32.5x6A
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.
Pinout
IN1A 1
NIC 2
IN1B 3
NIC 4
IN1C 5
GNDB 6
IN2A 7
NIC 8
IN2B 9
x2
x2
THERMAL
PAD
x2
25 ENABLE
24 NIC
23 V+
22 OUTA
21 V-
20 OUTB
19 OUTC
18 S0
17 S1
THERMAL PAD INTERNALLY CONNECTED TO V-. PAD MUST BE
TIED TO V-
NIC = NO INTERNAL CONNECTION
Features
• 510MHz bandwidth into 150Ω
• ±1600V/µs slew rate
• High impedance buffered inputs
• Internally set gain-of-2
• High speed three-state outputs (HIZ)
• Power-down mode (ENABLE)
• ±5V operation
• Supply current 11mA/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
TABLE 1. CHANNEL SELECT LOGIC TABLE ISL59446
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
Functional Diagram (each channel)
S0
S1
DECODE
EN0
EN1 IN0(A, B, C)
EN2
IN1(A, B, C)
IN2(A, B, C)
-
+
EN3
IN3(A, B, C)
HIZ
ENABLE
AMPLIFIER BIAS
OUT
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. 2006. All Rights Reserved.
All other trademarks mentioned are the property of their respective owners.

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ISL59446 equivalent
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ISL59446
Typical Performance Curves VS = ±5V, RL = 500Ω to GND, TA = 25°C, unless otherwise specified. (Continued)
100
VSOURCE = 2VP-P
10k
VSOURCE = 2VP-P
10 1k
1 100
0.1
0.1M
1M
10M
100M
FREQUENCY (Hz)
FIGURE 7. ZOUT vs FREQUENCY - ENABLED
1G
1M
100k
VSOURCE = 2VP-P
10k
1k
100
10
1
0.3M
1M
10M
100M
FREQUENCY (Hz)
FIGURE 9. ZIN vs FREQUENCY
1G
0
-10 VIN = 1VP-P
-20
CROSSTALK RL = 500
-30 INPUT X TO OUTPUT Y RL = 150
-40
OFF ISOLATION RL = 500
-50 INPUT X TO OUTPUT X RL = 150
-60
-70
-80
-90
-100
0.1M
1M
10M
100M
FREQUENCY (Hz)
FIGURE 11. CROSSTALK AND OFF ISOLATION
1G
5
10
0.1M
1M
10M
100M
FREQUENCY (Hz)
FIGURE 8. ZOUT vs FREQUENCY - HIZ
1G
10
VSOURCE = 0.5VP-P
0
PSRR (V-)
-10
-20
-30
-40
PSRR (V-)
-50
-60
0.3M 1M
10M
100M
FREQUENCY (Hz)
FIGURE 10. PSRR vs FREQUENCY
1G
60
50
40
30
20
10
0
100
1k 10k
FREQUENCY (Hz)
FIGURE 12. INPUT NOISE vs FREQUENCY
100k
FN6261.0
May 19, 2006


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