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RS2101
Low ON-Resistance,
Low Voltage, SPDT Analog Switch
FEATURES
•
•
•
•
•
•
•
•
•
-3dB Bandwidth: 120MHz
High Speed, Typically 11ns
Supply Range: +1.8V to +5.5V
Low ON-State Resistance, 2.4Ω(TYP)
Break-Before-Make Switching
Rail-to-Rail Operation
TTL/CMOS Compatible
Micro
SIZE
DESCRIPTION
The RS2101 is a low on-resistance, single-pole
double-throw (SPDT) analog switch that is designed
to operate from1.8 V to 5.5 V.
The RS2101 device can handle both analog and
digital signals. It features fast switching speeds (t
ON
= 11ns, t
OFF
= 8ns) and low on-resistance (2.4Ω
TYP).
These features make this device suitable for a wide
variety of portable applications including cell
phones, audio devices, and instrumentation.
Applications include signal gating, chopping,
modulation or demodulation (modem), and signal
multiplexing for analog-to-digital and digital-to-
analog conversion systems.
PACKAGES:SOT363(SC70-6)
Extended Industrial Temperature
Range: -40° to +125°
C
C
APPLICATIONS
•
•
•
•
Wearable Devices
Battery-Operated Equipment
Signal Gating, Chopping, Modulation or
Demodulation (Modem)
Portable Computing
Cell Phones
•
FUNCTION TABLE
LOGIC
0
1
NO
OFF
ON
NC
ON
OFF
PIN CONFIGURATIONS
RS2101
IN
V+
1
2
3
SOT363(SC70-6)
6
5
4
NO
COM
NC
PIN DESCRIPTION
NAME
IN
V+
GND
NC
COM
NO
REV A.2
PIN
GND
FUNCTION
Digital Control Pin
Power Supply
Ground
Normally-Closed Terminal
Common Terminal
Normally-Open Terminal
1
1
2
3
4
5
6
NOTE:NO,NC and COM terminals
may be an input or output
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RS2101
ABSOLUTE MAXIMUM RATINGS
(1)
V+, IN to GND..................................................-0.3V to 6.0V
Analog, Digital Voltage Range
(2)
…......– 0.3 to (V+) + 0.3V
Continuous Current NO, NC, or COM……......…... ±
300mA
Peak Current NO, NC, or COM……........…...…..... ±
500mA
Storage Temperature ……….…………… −65° to +150°
C
C
Operating Temperature ……….…….…… −40° to +125°
C
C
Junction Temperature................................................150°
C
Package Thermal Resistance @ T
A
= +25°
C
SC70-6……………………………….………………333°
C/W
MSOP-10, SOIC-8 ,TSSOP-8……….………….... 150°
C/W
SOIC-14, TSSOP-14………….……….……………100°
C/W
Lead Temperature (Soldering, 10s) ……………........260°
C
ESD Susceptibility
HBM …......................................................................1000V
MM ……………………….........………………...……….100V
(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℃~125℃
PACKAGE
LEAD
SOT363
(SC70-6)
PACKAGE
MARKING
2101X
PACKAGE OPTION
RS2101
RS2101XC6
Tape and Reel,3000
NOTE: X = Date Code
MARKING INFORMATION
2101 X
Date code
Product name
2
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RS2101
ELECTRICAL CHARACTERISTICS
V+ = 5.0 V, T
A
= –40° to 125° (unless otherwise noted)
C
C
PARAMETER
ANALOG SWITCH
Analog Signal Range
V
NO
, V
NC
, V
COM
5V
FULL
+25℃
FULL
+25℃
FULL
+25℃
FULL
+25℃
FULL
+25℃
FULL
+25℃
FULL
FULL
FULL
0.9
0.7
0.1
0.1
2.8
0
2.4
V+
3.5
4.5
4.3
6
0.8
0.9
0.8
0.9
0.9
0.95
1
1.2
1
1
V
Ω
Ω
Ω
Ω
Ω
Ω
Ω
Ω
Ω
Ω
Ω
Ω
μA
μA
SYMBOL
CONDITIONS
V+
T
A
MIN
TYP
MAX UNITS
On-Resistance
R
ON
0
≤
(V
NO
or V
NC
)
≤V+,
I
COM
= -10mA, Switch ON,
See Figure 1
3.3V
On-Resistance Match
Between Channels
∆
R
ON
0
≤
(V
NO
or V
NC
)
≤V+,
I
COM
= -10mA, Switch ON,
See Figure 1
5V
3.3V
On-Resistance Flatness
R
FLAT(ON)
0
≤
(V
NO
or V
NC
)
≤V+,
I
COM
= -10mA, Switch ON,
See Figure 1
5V
3.3V
1.8 to
5.5V
1.8 to
5.5V
NC,NO OFF
Leakage Current
NC,NO,COM ON
Leakage Current
I
NC(OFF)
, I
NO(OFF)
V
NO
or V
NC
= 0.3V, V+/2 V
COM
=
V+/2, 0.3V See Figure 2
I
NC(ON)
, I
NO(ON)
, V
NO
or V
NC
= 0.3V, Open V
COM
=
I
COM(ON)
Open, 0.3V See Figure 2
DIGITAL CONTROL INPUTS
(1)
Input High Voltage
V
INH
5V
3.3V
5V
3.3V
V
IN
= V
IO
or 0
FULL
FULL
FULL
FULL
FULL
1.5
1
0.6
0.5
1
V
V
V
V
μA
Input Low Voltage
Input Leakage Current
V
INL
I
IN
1.8 to
5.5V
(1) All unused digital inputs of the device must be held at V
IO
or GND to ensure proper device operation.
3
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RS2101
ELECTRICAL CHARACTERISTICS (continued)
V+ = 5.0 V, TEMP= –40° to 125° (unless otherwise noted))
C
C
PARAMETER
SYMBOL
CONDITIONS
V+
5V
3.3V
5V
3.3V
5V
3.3V
TEMP
MIN
TYP
11
12
8
9
10
11
-43
-67
120
15
50
MAX UNITS
DYNAMIC CHARACTERISTICS
Turn-On Time
Turn-Off Time
Break-Before-Make
Time Delay
Off Isolation
t
ON
t
OFF
t
BBM
O
ISO
V
COM
= V+, R
L
= 300Ω, C
L
= 35pF,
See Figure 5
V
COM
= V+, R
L
= 300Ω, C
L
= 35pF,
See Figure 5
V
NO1
= V
NC1
= V
NO2
= V
NC2
= 3V,
R
L
= 300Ω, C
L
= 35pF,See Figure 6
R
L
= 50Ω, Switch OFF, f = 10MHz
See Figure 8
f = 1MHz
Switch ON, R
L
= 50Ω
See Figure 7
V
NC
or V
NO
=V+/2 or GND, Switch
OFF See Figure 4
V
NC
or V
NO
=V+/2 or GND, Switch
ON See Figure 4
+25℃
+25℃
+25℃
+25℃
+25℃
+25℃
+25℃
+25℃
ns
ns
ns
dB
dB
MHz
pF
pF
-3dB Bandwidth
NC,NO OFF
Capacitance
NC,NO,COM ON
Capacitance
Power Supply Range
Power Supply Current
BW
C
NC(OFF)
,
C
NO(OFF)
C
NC(ON)
, C
NO(ON)
,
C
COM(ON)
V
+
I
+
POWER REQUIREMENTS
FULL
V
IN
= GND or V
+
5.5V
1.8
5.5
1
V
μA
FULL
4
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RS2101
TYPICAL CHARACTERISTICS
V+ = 5.0 V, T
A
= –40° to 125° (unless otherwise noted)
C
C
BANDWIDTH
3
3
BANDWIDTH
0
0
Gain(dB)
Gain(dB)
1
10
100
1,000
-3
-3
-6
-6
-9
-9
1
10
100
1,000
Frequency(MHz) V+=3V
Frequency(MHz) V+=5V
Typical ron as a Function of Input Voltage (VI ) for VI = 0 to V+
25
Ron(Ω)
5
1
0
0.5
1
1.5
2
2.5
3
3.5
4
4.5
5
5.5
VI(V)
V+=5.5V
V+=4.5V
V+=3.3V
V+=2.3V
V+=1.8V
5
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