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RS2227
High-Speed USB 2.0 (480-Mbps)
1:2 Multiplexer/Demultiplexer Switch
FEATURES
•
•
•
•
-3dB Bandwidth: 550MHz
Supply Range: +1.8V to +5.5V
R
ON
is Typically 6Ω
Fast Switching Times:
t
ON
20ns
t
OFF
15ns
Break-Before-Make Switching
Low Power Consumption (1μA Maximum)
Rail-to-Rail Input and Output Operation
Extended Industrial Temperature Range:
-40° to +85°
C
C
Micro
SIZE
DESCRIPTION
The RS2227 is a high-speed, low-power double-
pole/double-throw (DPDT) analog switch with single
Enable. It is designed to operate from 1.8 V to 5.5 V.
̅̅̅̅
The RS2227 has a bus-switch enable pin,
OE
, that can
place the signal paths in high impedance. This allows
the user to isolate the bus when it is not in use and
consume less current.
The RS2227 is a high-bandwidth switch specially
designed for the switching of high-speed USB2.0
signals in handset and consumer applications, such as
cell phones, digital cameras, and notebooks with hubs
or controllers with limited USB I/Os.
The RS2227 is available MSOP-10 package. It
operates over an ambient temperature range of -40°
C
to +85°
C.
•
•
•
•
•
PACKAGES: MSOP-10
APPLICATIONS
•
•
•
•
•
•
Routes Signals for USB 1.0, 1.1, and 2.0
MP3 and Other Personal Media Players
Portable Instrumentation
USB Switching
Digital Cameras
Set-Top Box
Cell Phones
PDAs
Functional Block Diagram
HSD1+
HSD2+
D+
•
•
HSD1–
D–
HSD2–
S
OE
Control
REV B.1
1
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RS2227
PIN CONFIGURATIONS
RS2227
V+
S
D+
1
2
3
10 OE
9
8
HSD2+
HSD2-
D-
4
7
6
MSOP10
HSD1+
HSD1-
GND 5
PIN DESCRIPTION
NAME
V+
GND
S
OE
HSD1+, HSD2+
HSD1-, HSD2-
D+, D-
PIN
1
5
2
10
7,9
6,8
3,4
Data Port
FUNCTION
Power Supply
Ground
Select Input
Output Enable
FUNCTION TABLE
̅̅̅̅
0
0
1
X =Don’t care
S
0
1
X
HSD1+, HSD1-
ON
OFF
OFF
HSD2+, HSD2-
OFF
ON
OFF
2
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RS2227
ABSOLUTE MAXIMUM RATINGS
(1)
V+ to GND..............................................................0V to 6V
Analog, Digital Voltage Range
(2)
…......– 0.3 to (V+) + 0.3V
Continuous Current HSDn or Dn……......…............±
100mA
Peak Current HSDn or Dn……........….....….......... ±
150mA
Storage Temperature ……….…………… −65° to +150°
C
C
Operating Temperature ……….……...…… −40° to +85°
C
C
Junction Temperature................................................150°
C
Lead Temperature (Soldering, 10s) ……………........260°
C
ESD Susceptibility
HBM …......................................................................3000V
MM ……………………….........………………...……….200V
(1)
Stresses above these ratings may cause permanent damage. Exposure
to absolute maximum conditions for extended periods may degrade
device reliability. These are stress ratings only, and functional
operation of the device at these or any other conditions beyond those
specified is not implied.
(2)
Input terminals are diode-clamped to the power-supply rails. Input
signals that can swing more than 0.3V beyond the supply rails should
be current-limited to 10mA or less.
ESD SENSITIVITY CAUTION
ESD damage can range from subtle performance
degradation to complete device failure. Precision
integrated circuits may be more susceptible to
damage because very small parametric changes
could cause the device not to meet its published
specifications.
PACKAGE/ORDERING INFORMATION
PRODUCT
ORDERING NUMBER
TEMPERATURE
RANGE
-40°C
~+85°C
PACKAGE
LEAD
MSOP-10
PACKAGE
MARKING
RS2227
PACKAGE OPTION
RS2227
RS2227XN
Tape and Reel,3000
3
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RS2227
ELECTRICAL CHARACTERISTICS
(V+ = +1.8V to +5.5V, GND = 0V, V
IH
= +1.5V, V
IL
= +0.5V, T
A
= -40° to + 85° Typical values are at V+ = +3.3V, T
A
=
C
C.
+25° unless otherwise noted.)
C,
PARAMETER
ANALOG SWITCH
Analog I/O Voltage
(HSD1+, HSD1-, HSD2+, HSD2-)
SYMBOL
CONDITIONS
T
A
MIN
TYP
MAX
UNITS
V
IS
R
ON
V+ = 3.0V, V
IS
= 0V to 0.4V,
I
D
= 8mA, Test Circuit 1
V+ = 3.0V, V
IS
= 0V to 0.4V,
I
D
= 8mA, Test Circuit 1
V+ = 3.0V, V
IS
= 0V to 1.0V,
I
D
= 8mA, Test Circuit 1
V+ = 0V, V
D
= 0V to 3.6 V,
V
S
,
V
̅̅̅̅
= 0V or 3.6 V
OE
V+ = 4.3V, V
S
or
V
̅̅̅̅
= 2.6 V
OE
V+ = 3.6V, V
IS
= 3.3V/ 0.3V,
V
D
= 0.3V/ 3.3V
V+ = 3.6V, V
IS
= 3.3V/ 0.3V,
V
D
= 0.3V/ 3.3V or floating
-40°C to +85°C
+25°C
-40°C to +85°C
+25°C
-40°C to +85°C
+25°C
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
0
6
V+
10
V
Ω
On-Resistance
10.5
0.15
0.6
1.6
5
7
Ω
8
1
40
1
1
μA
μA
μA
μA
Ω
Ω
On-Resistance Match
Between Channels
∆R
ON
On-Resistance Flatness
Power Off Leakage Current
(D+, D-)
Increase in I
+
per Control
Voltage
Source Off Leakage Current
Channel On Leakage Current
DIGITAL CONTROL INPUTS
(1)
Input High Voltage
Input Low Voltage
Input Leakage Current
R
FLAT(ON)
I
OFF
I
CCT
I
HSD2(OFF)
I
HSD1(OFF)
I
HSD2(ON)
I
HSD1(ON)
V
IH
V
IL
I
IN
V+ = 3.0V, V
S
,
V
OE
= 0V or V+
̅̅̅̅
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
1.6
0.5
1
V
V
μA
(1) All unused digital inputs of the device must be held at V
IO
or GND to ensure proper device operation.
4
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RS2227
ELECTRICAL CHARACTERISTICS (continued)
(V+ = +1.8V to +5.5V, GND = 0V, V
IH
= +1.5V, V
IL
= +0.5V, T
A
= -40° to + 85° Typical values are at V+ = +3.3V, T
A
=
C
C.
+25° unless otherwise noted.)
C,
PARAMETER
SYMBOL
CONDITIONS
TEMP
MIN
TYP
MAX
UNITS
DYNAMIC CHARACTERISTICS
Turn-On Time
Turn-Off Time
Break-Before-Make Time
Delay
Propagation Delay
Off Isolation
Channel-to-Channel
Crosstalk
-3dB Bandwidth
Channel-to-Channel Skew
Charge Injection Select Input
to Common I/O
HSD+, HSD-, D+, D- ON
Capacitance
POWER REQUIREMENTS
Power Supply Range
Power Supply Current
V
+
I
+
V+ = 3.0V, V
S
,
V
̅̅̅̅
= 0V or V+
OE
-40°C to +85°C
-40°C to +85°C
1.8
5.5
1
V
μA
t
ON
t
OFF
t
D
t
PD
O
ISO
X
TALK
BW
t
SKEW
Q
C
ON
V
IS
= 0.8V, R
L
= 50Ω,
C
L
= 10pF, Test Circuit 2
V
IS
= 0.8V, R
L
= 50Ω,
C
L
= 10pF, Test Circuit 3
R
L
= 50Ω, C
L
= 10pF
Signal = 0dBm, R
L
= 50Ω,
f = 250MHz, Test Circuit 4
Signal = 0dBm, R
L
= 50Ω,
f = 250MHz, Test Circuit 5
Signal = 0dBm, R
L
= 50Ω,
C
L
= 5pF, Test Circuit 6
R
L
= 50Ω, C
L
= 10pF
V
G
= GND, C
L
= 1.0nF, R
G
= 0Ω,
Q = C
L
x V
OUT
, Test Circuit 7
+25°C
+25°C
+25°C
+25°C
+25°C
+25°C
+25°C
+25°C
+25°C
+25°C
20
15
4
0.35
-35
-40
550
0.05
11
7
ns
ns
ns
ns
dB
dB
MHz
ns
pC
pF
5
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