Analog and USB Switches QS4A1050 pages
IDTQS4A105
HIGH-PERFORMANCE CMOS TWO-CHANNEL 4PST SWITCH
INDUSTRIAL TEMPERATURE RANGE
QUICKSWITCH® PRODUCTS
HIGH-PERFORMANCE CMOS
TWO CHANNEL 4PST SWITCH
IDTQS4A105
FEATURES:
DESCRIPTION:
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The QS4A105 is a high-performance CMOS two-channel 4PST switch
with 3-state outputs. The low ON resistance of the QS4A105 allows inputs
to be connected to outputs with low insertion loss and high bandwidth.
The QS4A105, with 1.3GHz bandwidth, is ideal for high-performance
video signal switching, audio signal switching, and telecomm routing
applications. Low power dissipation makes this device ideal for battery
operated and remote instrumentation applications.
The QS4A105 is offered in the QSOP package which has several
advantages over conventional packages such as PDIP and SOIC, including:
• Reduced signal delays due to denser component packaging on circuit
boards
• Reduced system noise due to less pin inductance
Low ON resistance: rDS(ON) = 5Ω
Ω
Wide bandwidth: 1.3GHz (-3dB point)
Crosstalk: 100dB at 50KHz, -70dB at 5MHz, -50dB at 30MHz
Off-isolation: -90dB at 50KHz, -60dB at 5MHz, -55dB at
30MHz
Single 5V supply
Bidirectional signal flow
TTL-compatible control inputs
Ultra-low quiescent current: 3µA
µ
Switch turn on time of 6.5ns
Available in QSOP package
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APPLICATIONS:
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High-speed video signal switching/routing
HDTV-quality video signal routing
Audio signal switching/routing
Data acquisition
ATE systems
Telecomm routing
Token Ring transceivers
High-speed networking
The QS4A105 is characterized for operation at -40°C to +85°C.
FUNCTIONAL BLOCK DIAGRAM
A1
C1
A2
C2
A3
C3
A4
C4
B1
D1
B2
D2
B3
D3
B4
D4
E1
E2
CO N TR O L
LO G IC
The IDT logo is a registered trademark of Integrated Device Technology, Inc.
INDUSTRIAL TEMPERATURE RANGE
FEBRUARY 2009
1
c
2000 Integrated Device Technology, Inc.
DSC-5555/2
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