100MHz CMOS/DMOS
Wideband Analog Switch
CORPORATION
CWB211
FEATURES
DESCRIPTION
The Calogic CWB211 offers designers high performance at a low
cost. The CWB211 is an excellent choice where capacitance and
switching times are crucial. The device out performs industry
standard DG211 types offering much faster switching speeds, low
R
DS (ON)
and lower capacitance while maintaining high OFF
isolation and good bandwidth. The Calogic CWB211 is configured
to be a pin for pin replacement of existing analog switches
and at the same time upgrading high frequency performance.
Manufactured on the Calogic proprietary low voltage CMOS
combined with high speed DMOS FETs, the device is TTL
compatible utilizing an on-chip reference to provide constant
logic switching over a wide range of supply voltages and
temperature without a separate power supply.
ORDERING INFORMATION
Part
CWB211CP
CWB211CY
XCWB211
PIN CONFIGURATION
Package
Plastic 16-Pin Dip
SO-16 Plastic
Sorted Chips in Carriers
Temperature Range
0 to +85
o
C
0 to +85
o
C
0 to +85
o
C
•
Ultra Low Leakage. . . . . . . . . . . . . ID(
OFF)
200pA typical
•
Low Capacitance . . . . . . . . . . . . . . . . . . . cd 0.3pf typical
ON Resistance
•
Low Compatible . . . . . . . . . . . . . . . . . . . . 40
Ω
typical
TTL
•
•
Glitch-Free Analog Switches
•
RF & Video Switches
•
Sample-and-Hold Switches
•
Communication Systems
•
Disk Drives
APPLICATIONS
FUNCTIONAL BLOCK DIAGRAM
S
1
16 PIN DIP
IN1
D1
S1
V-
GND
S4
D4
IN4
1
2
3
4
5
6
7
8
TOP VIEW
CWB211CP
16 IN2
15 D2
14 S2
13 V+
12 N/C
11 S3
10 D3
9
IN3
IN1
D1
S1
V-
GND
S4
D4
IN4
1
2
3
4
5
6
7
8
SO-16
16 IN2
15 D2
14 S2
13 V+
12 N/C
11 S3
10 D3
9
TOP VIEW
CWB211CY
IN3
IN
1
D
1
S
2
IN
2
D
2
S
3
IN
3
D
3
S
4
IN
4
D
4
Four SPST Switches per Package.
Switches shown in Logic '1' Input Position.
LOGIC TABLE
CWB
NOTE:
All devices contain diodes to protect inputs against
damage due to high static voltages or electric fields;
however, it is advised that precautions be taken not to
exceed the maximum recommended input voltages. All
unused inputs must be connected to an appropriate logic
level (V
DD
or GND).
Logic
0
1
Switch
ON
OFF
Logic ’0’
≤
0.8V
Logic ’1’
≥
2.42V
CWB211
CORPORATION
ABSOLUTE MAXIMUM RATINGS
V-
V+
V
IN
I
L
I
S
I
S
T
J
T
S
P
D
Negative Supply Voltage . . . . . . . . . . . . . . . . . . . . -20V
Positive Supply Voltage . . . . . . . . . . . . . . . . . . . . . +20V
Control Input Voltage Range . . . . . . . . . . . . . . V+ +0.3V
V- -0.3V
Continuous Current, any Pin except S or D. . . . . . 20mA
Continuous Current, S or D . . . . . . . . . . . . . . . . . . 30mA
Peak Pulsed Current, S or D, 80µsec, 1%,
Duty Cycle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 90mA
Junction Temperature Range. . . . . . . . . . -55 to +125
o
C
Storage Temperature Range . . . . . . . . . . -55 to +125
o
C
Power Dissipation . . . . . . . . . . . . . . . . . . . . . . . 500mW
RECOMMENDED OPERATING CONDITIONS
V-
V+
V
IN
T
OP
Negative Supply Voltage . . . . . . . . . . . . . . . -8.0 to -15V
Positive Supply Voltage . . . . . . . . . . . . . . . +8.0 to +15V
Control Input Voltage Range . . . . . . . . . . . . . . 0 to +5V
Operating Temperature . . . . . . . . . . . . . . . . 0 to +85
o
C
ELECTRICAL CHARACTERISTICS
(V- = -15V, V+ = +15V unless otherwise noted, T
A
= +25
o
C)
SYMBOL
STATIC
V
ANALOG
r
DS(ON)
V
IH
V
IL
I
IN
I
D(OFF)
I
S(OFF)
I-
I+
DYNAMIC
t
ON
t
OFF
O
IRR
C
CRR
C
d
C
s
Switch Turn-ON Time
Switch Turn-OFF Time
OFF Isolation Rejection Ratio
Cross Coupling Rejection Ratio
Drain-Node Capacitance
Source-Node Capacitance
60
400
70
66
80
0.3
3.0
600
300
nsec
dB
pF
See Switching Times Test Circuit
f = 10MHz, R
L
= 50Ω
V
D
= V
S
= 0
f = 1MHz
V
IN
=
+2.4V
PARAMETER
Analog Signal Range
Channel ON Resistance
High Level Input Voltage
Low Level Input Voltage
Logic Input Leakage Current
Switch OFF Leakage Current
Negative Supply Quiescent Current
Positive Supply Quiescent Current
0.01
0.02
0.2
0.4
-0.3
0.6
2.4
0.8
0.1
0.1
5.0
5.0
-1.0
2.0
MIN
-10
40
45
100
TYP
MAX
+10
80
80
160
V
µA
nA
mA
V
IN
= +2.4V
V
IN
= +15V
V
D
= +10V, V
S
= -10V
V
S
= +10V, V
D
= -10V
V
IN
= 0 or +2.4V
V
IN
=
+2.4V
Ω
UNITS
V
V
S
= -10V
V
S
= +2.0V
V
S
= +10V
V
IN
= 0
TEST CONDITIONS
ELECTRICAL CHARACTERISTICS
(V- = -15V, V+ = +15V unless otherwise noted)
LIMITS AT TEMPERATURE EXTREMES
SYMBOL
STATIC
V
ANALOG
r
DS(ON)
Analog Signal Range
Switch ON Resistance
Logic Input
Leakage Current
Switch OFF
Leakage Current
Negative Supply Quiescent Current
Positive Supply Quiescent Current
±10
120
120
240
I
IN
I
D(OFF)
I
S(OFF)
I-
I+
1.0
2.0
100
100
-1.0
2.0
µA
nA
mA
Ω
V
V
S
= -10V
V
S
= +2.0V
V
S
= +10V
V
IN
= +2.4V
V
IN
= +15V
V
D
= +10V, V
S
= -10V
V
S
= +10V, V
D
= -10V
V
IN
= 0 or +2.4V
V
IN
= +2.4V
V
IN
= 0
PARAMETER
MAXIMUM @ T
A
=
+85
o
C
UNITS
TEST CONDITIONS
CWB211
CORPORATION
TYPICAL PERFORMANCE CHARACTERISTICS
(T
A
= +25
o
C unless otherwise specified)
SWITCHING TIMES TEST CIRCUIT
TEST WAVEFORMS
3.0V
+15V
(V
S
)
SWITCH
INPUT
+3V
SWITCH
OUTPUT
V
0
R
L
=
50
Ω
C
L
=
12pF
LOGIC INPUT
t
RISE
< 6nSEC
t
FALL
< 4nSEC
50%
0
(V
S
) SWITCH INPUT
LOGIC
INPUT
V
0
SWITCH OUTPUT
0.9
-15V
SWITCH ILLUSTRATED IN LOGIC '1',
SWITCH OFF, POSITION
V
0
=
0
R
L
L
t
ON
(
R
+ r
DS(ON)
V
S
)
t
OFF
800
700
600
Switching Time (nSec)
SWITCHING TIMES
-VS-
SUPPLY VOLTAGES
V
S
= 3V
R
L
= 50
Ω
C
L
= 12pF
Switching Time (nSec)
SWITCHING TIMES
-VS-
AMBIENT TEMPERATURE
800
700
600
500
t
ON
400
300
200
100
0
-50
t
OFF
V-, V+ = +15V
_
R
L
= 50
Ω
C
L
= 12pF
V
S
= 3V
500
t
ON
400
300
200
100
0
_
+5
t
OFF
_
+7.5
_
+10
_
+12.5
_
+15
-25
V-, V+ - Supply Voltages (Volts)
0 +25 +50 +75 +100 +125 +150
T
A
- Ambient Temperature (
o
C)
CWB211
CORPORATION
TYPICAL PERFORMANCE CHARACTERISTICS
(T
A
= +25
o
C unless otherwise specified)
2.2
V
IN
= - Logic Threshold (Volts)
LOGIC THRESHOLD
-VS-
SUPPLY VOLTAGES
SUPPLY CURRENTS
-VS-
AMBIENT TEMPERATURE
0.7
0.6
I - Supply Current (mA)
2.1
2.0
1.9
1.8
1.7
1.6
1.5
_
+8
I+
0.5
0.4
0.3
0.2
0.1
0
-50
V-, V+ = +15V
_
V
IN
= +2.4V
-25
+25 +50 +75 +100 +125
T
A
- Ambient Temperature (
o
C)
0
I-
_
+9 +10 _
+11 +12 +13 +14 +15
_
_
_
_
_
V-, V+ - Supply Voltages (Volts)
SWITCH OFF ISOLATION REJECTION RATIO
-VS-
FREQUENCY
100
OIRR - OFF Isolation Rejection Ratio (dB)
INSERTION LOSS
-VS-
FREQUENCY
0
1
I
L
- Insertion Loss (dB)
90
80
70
60
50
40
30
20
1
2
5
10
20
f - Frequency (MHz)
50
100
V-, V+ = _
+15V
R
L
= 50
Ω
R
L
= 1K
Ω
V-, V+ = _
+15V
V
S
= 0.1V
RMS
2
3
4
5
6
7
8
1
R
L
= 50
Ω
2
5
10
20
f - Frequency (MHz)
50
100
CWB211
CORPORATION
TYPICAL PERFORMANCE CHARACTERISTICS
(T
A
= +25
o
C unless otherwise specified)
160
r
DS(ON)
- Switch On Resistance (Ohms)
SWITCH ON RESISTANCE
-VS-
ANALOG VOLTAGE
r
DS(ON)
- Switch On Resistance (Ohms)
80
70
60
50
40
30
20
10
0
+
_5
SWITCH ON RESISTANCE
-VS-
SUPPLY VOLTAGE
140
120
100
80
60
40
20
0
-10
V-, V+ = +15V
_
R
L
= 50
Ω
R
L
= 50
Ω
V
S
= 0.1V
RMS
f = 1KHz
-5.0
0
+5.0
+10
_
+7.5
_
+10
_
+12.5
_
+15
V
S
- Source Voltage (Volts)
V-, V+ - Supply Voltages (Volts)
SWITCH ON RESISTANCE
-VS-
FREQUENCY
80
70
_
V-, V+ = +8V
r
DS(ON)
- Switch ON Resistance
Total Harmonic Distortion (%)
TOTAL HARMONIC DISTORTION
-VS-
FREQUENCY
0.8
V-, V+ = _
+15V
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
R
L
= 1K
Ω
, V
S
= 1V
RMS
1
4
10
f - Frequency (MHz)
40
R
L
= 50
Ω
, V
S
= 1V
RMS
60
50
V-, V+ = _
+15V
40
30
20
10
0
1
2
5
10
20
f - Frequency (MHz)
50
100
R
L
= 50
Ω
V
S
= 0.1V
RMS
R
L
= 50
Ω
, V
S
= 0.3V
RMS
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