ISL59446 Ver la hoja de datos (PDF) - Renesas Electronics
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ISL59446 Datasheet PDF : 14 Pages
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DATASHEET
ISL59446
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 unneeded circuitry in power sensitive
applications. When the ENABLE pin is pulled high, the part enters
a power-down mode and consumes just 14mW.
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
X
X
0
1
High Z
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 (RoHS compliant)
Applications
• HDTV/DTV analog inputs
• Video projectors
• Computer monitors
• Set-top boxes
• Security video
• Broadcast video equipment
FN6261
Rev 3.00
July 31, 2014
EN0
S0
EN1
IN0 (A, B, C)
S1
DECODE
IN1 (A, B, C)
EN2
IN2 (A, B, C)
-
+
IN3 (A, B, C)
EN3
HIZ
ENABLE
AMPLIFIER BIAS
FIGURE 1. FUNCTIONAL DIAGRAM (EACH CHANNEL)
OUT
FN6261 Rev 3.00
July 31, 2014
Page 1 of 14
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