IDTQS4A110
HIGH-PERFORMANCE CMOS TWO-CHANNEL 5PST SWITCH
INDUSTRIAL TEMPERATURE RANGE
QUICKSWITCH® PRODUCTS
HIGH-PERFORMANCE CMOS
TWO CHANNEL 5PST SWITCH
DESCRIPTION:
FEATURES:
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The QS4A110 is a high-performance CMOS two-channel 5PST switch
with 3-state outputs. The low ON resistance of the QS4A110 allows inputs
to be connected to outputs with low insertion loss and high bandwidth.
The QS4A110, with 1.8GHz 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 QS4A110 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
Ω
Low ON resistance: r DS(ON) = 5Ω
Wide bandwidth: 1.8GHz (-3dB point)
Crosstalk: 100dB at 50KHz, -70dB at 5MHz, -50dB at 30MHz
Off-isolation: -70dB at 50KHz, -45dB at 5MHz, -40dB at
30MHz
Single 5V supply
Bidirectional
TTL-compatible control inputs
μA
Ultra-low quiescent current: 3μ
Switch turn on time of 6.5ns
Available in QSOP package
APPLICATIONS:
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IDTQS4A110
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 QS4A110 is characterized for operation at -40°C to +85°C.
FUNCTIONAL BLOCK DIAGRAM
A0
C0
A1
C1
A2
C2
A3
C3
A4
C4
B0
D0
B1
D1
B2
D2
B3
D3
B4
D4
E1
E2
CO NTR O L
LO G IC
IDT and the IDT logo are registered trademarks of Integrated Device Technology, Inc.
INDUSTRIAL TEMPERATURE RANGE
c 2014 Integrated Device Technology, Inc.
APRIL 2014
1
DSC-5554/3
IDTQS4A110
HIGH-PERFORMANCE CMOS TWO-CHANNEL 5PST SWITCH
INDUSTRIAL TEMPERATURE RANGE
ABSOLUTE MAXIMUM RATINGS(1)
PIN CONFIGURATION
Symbol
Description
VTERM(2)
Supply Voltage to Ground
VTERM(3)
DC Switch Voltage VS
Max
Unit
–0.5 to +7
V
0 to +7
V
E1
1
24
VCC
C0
2
23
D4
—
Analog Input Voltage
0 to +7
V
A0
3
22
B4
VTERM(3)
DC Input Voltage VIN
0 to +7
V
A1
4
21
B3
VAC
AC Input Voltage (pulse width ≤20ns)
–3
V
C1
5
20
D3
IOUT
DC Output Current
120
mA
PMAX
Maximum Power Dissipation
0.7
W
C2
6
19
D2
TSTG
Storage Temperature
–65 to +150
°C
A2
7
18
B2
A3
8
17
B1
C3
9
16
D1
C4
10
15
D0
A4
11
14
B0
GND
12
13
E2
NOTES:
1. Stresses greater than those listed under ABSOLUTE MAXIMUM RATINGS may cause
permanent damage to the device. This is a stress rating only and functional operation
of the device at these or any other conditions above those indicated in the operational
sections of this specification is not implied. Exposure to absolute maximum rating
conditions for extended periods may affect reliability.
2. VCC terminals.
3. All terminals except VCC .
PIN DESCRIPTION
QSOP
TOP VIEW
Pin Names
I/O
Ax, Bx
I/O
Ports A, B
Description
Cx, Dx
I/O
Ports C, D
E1 -E2
I
Enable
FUNCTION TABLE(1)
E2
Ax, Cx I/Os
Bx, Dx I/Os
H
H
Disconnected
Disconnected
L
H
Ax = Cx
Disconnected
H
L
Disconnected
Bx = Dx
L
L
Ax = Cx
Bx = Dx
E1
NOTE:
1. H = HIGH Voltage Level
L = LOW Voltage Level
2
IDTQS4A110
HIGH-PERFORMANCE CMOS TWO-CHANNEL 5PST SWITCH
INDUSTRIAL TEMPERATURE RANGE
DC ELECTRICAL CHARACTERISTICS OVER OPERATING RANGE
Following Conditions Apply Unless Otherwise Specified:
Industrial: TA = –40°C to +85°C, VCC = 5V ± 5%
Symbol
Parameter
Test Conditions
Min.
Typ.(1) Max.
Unit
Analog Switch
VIN
Analog Signal Range(2)
–0.5
1
Vcc - 1
V
rDS(ON)
Drain-source ON resistance(2,3)
Vcc = Min., VIN = 0V, ION = 30mA
—
5
7
Ω
Vcc = Min., VIN = 2.4V, ION = 15mA
—
13
17
IC(OFF)
Channel Off Leakage Current
Ax, Bx = Vcc or 0V; Cx, Dx = 0V or Vcc; E = Vcc
—
1
—
nA
IC(ON)
Channel On Leakage Current
Ax = Bx = 0V
—
1
—
nA
(each channel is turned on sequentially)
Digital Control
VIH
Input HIGH Voltage
Guaranteed Logic HIGH for Control Pins
2
—
—
V
VIL
Input LOW Voltage
Guaranteed Logic LOW for Control Pins
—
—
0.8
V
Enable Turn-On Time
RL = 1KΩ, CL = 100pF
0.5
—
6
ns
E to Ax, Bx, Cx, or Dx
(See Switching Time)
0.5
—
6.5
ns
Dynamic Characteristics
tON(E)
tOFF(E)
Enable Turn-Off Time
RL = 1KΩ, CL = 100pF
E to Ax, Bx, Cx, or Dx
(See Switching Time)
tPD
Group Delay(2,4a)
RL = 1KΩ, CL = 100pF
—
—
250
ps
f3dB
-3dB Bandwidth
VIN = 0 to 1V, 1Vp-p, RL = 75Ω
—
1.8
—
GHz
Off-isolation
VIN = 0 to 1V, 1Vp-p, RL = 75Ω, f = 5.5MHz
—
-45
—
dB
XTALK
Crosstalk
VIN = 0 to 1V, 1Vp-p, RL = 75Ω, f = 5.5MHz
—
-70
—
dB
C(OFF)
Switch Off Capacitance
E = Vcc, VIN = VOUT = 0V
—
5
—
pF
C(ON)
Switch On Capacitance
E = 0V, VIN = VOUT = 0V
—
10
—
pF
—
1.5
—
pC
QCI
Charge Injection
NOTES:
1. Typical values are at VCC = 5.0V, TA = 25°C.
2. Max value is guaranteed but not production tested.
3. Measured by voltage drop between A and C pins or B and D pins at indicated current through the switch. ON resistance is determined by the lower of the voltages on the
two (A, C, or B, D) pins.
4. The bus switch contributes no group delay other than the RC delay of the ON resistance of the switch and load capacitance. Group delay of the bus switch, when used
in a system, is determined by the driving circuit on the driving side of the switch and its interaction with the load on the driven side.
POWER SUPPLY CHARACTERISTICS
Symbol
ICC
Parameter
Supply Current
Test Conditions
VCC = Max., VIN = GND or VCC
3
Max.
Unit
3
μA
IDTQS4A110
HIGH-PERFORMANCE CMOS TWO-CHANNEL 5PST SWITCH
INDUSTRIAL TEMPERATURE RANGE
TYPICAL CHARACTERISTICS
60
180
V CC = 5V
R L = 75 Ω
150
50
120
40
90
(dB )
(dB )
V CC = 5V
R L = 75 Ω
Crosstalk
30
Crosstalk
60
20
Off-isolation
Off-isolation
30
10
0
1K
10K
100K
1M
10M
100M
1G
0
100M
10G
Freq uency (Hz)
200M
300M
400M
500M
600M
700M
Frequency (Hz)
Off-isolation and Crosstalk vs. Frequency
Off-isolation and Crosstalk vs. Frequency
NOTES:
1. Crosstalk = 20 log |VO/VS|
2. Off-isolation = 20 log |VO/VS|
NOTES:
1. Crosstalk = 20 log |VO/VS|
2. Off-isolation = 20 log |VO/VS|
160
2
V CC = 5V
R L = 75 Ω
140
1
120
0
R L = 75
100
1
80
2
(dB )
(dB )
Crosstalk
Off-isolation
60
3
40
10K
4
20K
30K
40K
50K
60K
70K
Freq uen cy (H z)
5
Off-isolation and Crosstalk vs. Frequency
V C C = 5V
6
1K
NOTES:
1. Crosstalk = 20 log |VO/VS|
2. Off-isolation = 20 log |VO/VS|
10K
100K
1M
10M
100M
Freq uen cy (H z)
Insertion Loss vs. Frequency
NOTE:
1. Insertion Loss = 20 log |VO/VS|
4
1G
10G
IDTQS4A110
HIGH-PERFORMANCE CMOS TWO-CHANNEL 5PST SWITCH
INDUSTRIAL TEMPERATURE RANGE
TYPICAL CHARACTERISTICS (CONTINUED)
18
1
16
r DS (On) - Drain Source On-resistance(Ω )
2
(dB )
0
R L = 75
1
2
V C C = 5V
3
500M
600M
700M
800M
900M
1G
1.1G
Freq uen cy (H z)
14
12
VCC = 4.75V
10
8
6
4
Insertion Loss vs. Frequency
0.0
0.5
1.0
1.5
2.0
2.5
3.0
VIN (Volts)
NOTE:
1. Insertion Loss = 20 log |VO/VS|
RON LINK
On-Resistance vs. VIN
TEST CIRCUITS
5V
5V
Vcc
A0-A3
C0-C3
3.0V
CONTROL
1.5V
INPUT
A4
VIN
E1
0V
t ON(E)
E2
5V
QS4A110
OUTPUT
0.3V
OUTPUT
0.3V
500 Ω
GND
C4
VOUT
t OFF(E)
500 Ω
50 pF
Switching Time
5
IDTQS4A110
HIGH-PERFORMANCE CMOS TWO-CHANNEL 5PST SWITCH
INDUSTRIAL TEMPERATURE RANGE
TEST CIRCUITS (CONTINUED)
5V
5V
Vcc
Vcc
A1
VS
A4
C4
RL =
75Ω
VS
B4
QS4A110
QS4A110
5V
5V
E2
E2
E1
E1
GND
Insertion Loss
NOTES:
1. Crosstalk = 20 log |VO/VS|
2. All unused pins are grounded.
5V
Vcc
C1
A1
GND
Crosstalk
NOTES:
1. Insertion Loss = 20 log |VO/VS|
2. All unused pins are grounded.
VS
C1
VOUT
RL =
75Ω
VOUT
VOUT
RL =
75Ω
QS4A110
5V
E1
E2
GND
Off-Isolation
NOTE:
1. Off-isolation = 20 log |VO/VS|
6
IDTQS4A110
HIGH-PERFORMANCE CMOS TWO-CHANNEL 5PST SWITCH
INDUSTRIAL TEMPERATURE RANGE
ORDERING INFORMATION
QS
XXXXX
XX
Device Type Package
X
Blank
8
Tube or Tray
Tape and Reel
QG
Quarter Size Outline Package - QSOP Green
4A110
High Performance CMOS Two Channel 5PST Switch
DATASHEET DOCUMENT HISTORY
04/13/2014
Pg. 7
Updated the Ordering Information by removing non green package version and Adding Tape and Reel information.
7
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