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PDF IDTQS4A205 Data sheet ( Hoja de datos )
| Número de pieza | IDTQS4A205 | |
| Descripción | HIGH-PERFORMANCE CMOS ANALOG FOUR-CHANNEL SPDT MUX/DEMUX | |
| Fabricantes | Integrated Device Technology | |
| Logotipo |  |
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IDTQS4A205
HIGH-PERFORMANCE CMOS ANALOG FOUR-CHANNEL SPDT MUX/DEMUX
QUICKSWITCH® PRODUCTS
HIGH-PERFORMANCE CMOS
ANALOG FOUR-CHANNEL
SPDT MUX/DEMUX
INDUSTRIALTEMPERATURERANGE
IDTQS4A205
FEATURES:
• Low ON resistance: rDS(ON) = 5Ω
• Fast transition time: tTRAN = 6ns
• Wide bandwidth: 830MHz (-3dB point)
• Crosstalk: -115dB at 50KHz, -100dB at 5MHz, -66dB at 30MHz
• Off-isolation: -90dB at 50KHz, -60dB at 5MHz, -50dB at 30MHz
• Single 5V supply
• Can be used as multiplexer or demultiplexer
• TTL-compatible control inputs
• Ultra-low quiescent current: 3μA
• Available in QSOP package
APPLICATIONS:
• High-speed video signal switching/routing
• HDTV-quality video signal routing
• Audio signal switching/routing
• Data acquisition
• ATE systems
• Telecomm routing
• Switch between multiple video sources
• Token Ring transceivers
• High-speed networking
DESCRIPTION:
The QS4A205 is a high-performance CMOS analog Four-Channel
SPDT multiplexer/demultiplexer with individual enables. The low On-
resistance of the QS4A205 allows inputs to be connected to outputs with low
insertion loss and high bandwidth. TTL-compatible control circuitry with
“Break-Before-Make” feature prevents contention.
The QS4A205 with 830MHz bandwidth makes it ideal for high-perfor-
mance video signal switching, audio signal switching, and telecomm routing
applications. High performance and low power dissipation makes this
device ideal for battery operated and remote instrumentation applications.
The QS4A205 is offered in the QSOP package and has several advan-
tages 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 resulting in lower
ground bounce
The QS4A205 is characterized for operation at -40°C to +85°C.
FUNCTIONAL BLOCK DIAGRAM
I0A
I1A
I0B
I1B
I0C
I1C
I0D
I1D
YA
YB
YC
YD
S
CONTROL
L O G IC
E
IDT and the IDT logo are registered trademarks of Integrated Device Technology, Inc.
INDUSTRIAL TEMPERATURE RANGE
c 2014 Integrated Device Technology, Inc.
1
APRIL 2014
DSC-5551/4
1 page  
IDTQS4A205
HIGH-PERFORMANCE CMOS ANALOG FOUR-CHANNEL SPDT MUX/DEMUX
TYPICAL CHARACTERISTICS (CONTINUED)
18
2
RL = 1KΩ
1
0
16
14
INDUSTRIALTEMPERATURERANGE
1
2 RL = 75Ω
VCC = 5V
3
4
100M 200M 300M 400M 500M 600M 700M 800M 900M
Frequency (Hz)
12
10
8
6
VCC = 4.75V
Insertion Loss vs. Frequency
NOTE:
1. Insertion Loss = 20 log |VO/VS|
4
0.0
0.5 1.0 1.5 2.0
VIN (Volts)
On-Resistance vs. VIN
2.5 3.0
RON LINK
TEST CIRCUITS
5V
VCC I0A
0V E
I1A 5V
I0B, I1B
I0C, I1C
VIN QS4A205 I0D, I1D
S YD
YC
YB VOUT
50 Ω
GND
YA
500 Ω
50pF
SELECT
INPUT
SWITCH
OUTPUT
tTRANS
tTRANS
3.0V
1.5V
0V
1.5V
Transition Time
5
5 Page | ||
| Páginas | Total 7 Páginas | |
| PDF Descargar | [ Datasheet IDTQS4A205.PDF ] | |
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