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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 RDS (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 +85oC 0 to +85oC 0 to +85oC
* Ultra Low Leakage. . . . . . . . . . . . . ID(OFF) 200pA typical * Low Capacitance . . . . . . . . . . . . . . . . . . . cd 0.3pf typical ON Resistance * Low Compatible . . . . . . . . . . . . . . . . . . . . 40 typical * TTL * Glitch-Free Analog Switches * RF & Video Switches * Sample-and-Hold Switches * Communication Systems * Disk Drives
APPLICATIONS
FUNCTIONAL BLOCK DIAGRAM
S1
16 PIN DIP IN1 D1 S1 VGND 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 VGND 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 D1 S2 IN 2 D2 S3 IN 3 D3 S4 IN 4 D4 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 (VDD or GND). Logic 0 1 Switch ON OFF Logic '0' 0.8V Logic '1' 2.42V
CWB211
CORPORATION
ABSOLUTE MAXIMUM RATINGS VV+ VIN IL IS IS TJ TS PD 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, 80sec, 1%, Duty Cycle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 90mA Junction Temperature Range. . . . . . . . . . -55 to +125oC Storage Temperature Range . . . . . . . . . . -55 to +125oC Power Dissipation . . . . . . . . . . . . . . . . . . . . . . . 500mW
RECOMMENDED OPERATING CONDITIONS VV+ VIN TOP 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 +85oC
ELECTRICAL CHARACTERISTICS (V- = -15V, V+ = +15V unless otherwise noted, TA = +25oC)
SYMBOL STATIC VANALOG rDS(ON) VIH VIL IIN ID(OFF) IS(OFF) II+ DYNAMIC tON tOFF OIRR CCRR Cd Cs 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, RL = 50 VD = VS = 0 f = 1MHz VIN = +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 A nA mA VIN = +2.4V VIN = +15V VD = +10V, VS = -10V VS = +10V, VD = -10V VIN = 0 or +2.4V VIN = +2.4V UNITS V VS = -10V VS = +2.0V VS = +10V VIN = 0 TEST CONDITIONS
ELECTRICAL CHARACTERISTICS (V- = -15V, V+ = +15V unless otherwise noted) LIMITS AT TEMPERATURE EXTREMES
SYMBOL STATIC VANALOG rDS(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 IIN ID(OFF) IS(OFF) II+ 1.0 2.0 100 100 -1.0 2.0 A nA mA V VS = -10V VS = +2.0V VS = +10V VIN = +2.4V VIN = +15V VD = +10V, VS = -10V VS = +10V, VD = -10V VIN = 0 or +2.4V VIN = +2.4V VIN = 0 PARAMETER MAXIMUM @ TA = +85oC UNITS TEST CONDITIONS
CWB211
CORPORATION
TYPICAL PERFORMANCE CHARACTERISTICS (TA = +25oC unless otherwise specified) SWITCHING TIMES TEST CIRCUIT TEST WAVEFORMS
3.0V
+15V (VS) SWITCH INPUT +3V SWITCH OUTPUT V0 RL = 50 CL = 12pF
LOGIC INPUT t RISE < 6nSEC t FALL < 4nSEC
50%
0 (VS ) SWITCH INPUT
LOGIC INPUT
V0 SWITCH OUTPUT 0.9
-15V SWITCH ILLUSTRATED IN LOGIC '1', SWITCH OFF, POSITION
V0 = 0 RL
L
tON
(R
+ r DS(ON)
)V
t OFF
S
800 700 600
Switching Time (nSec)
SWITCHING TIMES -VSSUPPLY VOLTAGES VS = 3V R L = 50 C L = 12pF
Switching Time (nSec)
SWITCHING TIMES -VSAMBIENT TEMPERATURE 800 700 600 500 t ON 400 300 200 100 0 -50 t OFF V-, V+ = +15V _ R L = 50 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 TA - Ambient Temperature ( oC)
CWB211
CORPORATION
TYPICAL PERFORMANCE CHARACTERISTICS (TA = +25oC unless otherwise specified)
2.2
V IN = - Logic Threshold (Volts)
LOGIC THRESHOLD -VSSUPPLY VOLTAGES
SUPPLY CURRENTS -VSAMBIENT 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 0 +25 +50 +75 +100 +125 T A - Ambient Temperature ( oC) I-
_ +9 +10 +11 +12 +13 +14 +15 _ _ _ _ _ _ V-, V+ - Supply Voltages (Volts)
SWITCH OFF ISOLATION REJECTION RATIO -VSFREQUENCY 100
OIRR - OFF Isolation Rejection Ratio (dB)
INSERTION LOSS -VSFREQUENCY 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 RL = 50
RL = 1K V-, V+ = _ +15V V S = 0.1V RMS
2 3 4 5 6 7 8 1
RL = 50
2
5 10 20 f - Frequency (MHz)
50
100
CWB211
CORPORATION
TYPICAL PERFORMANCE CHARACTERISTICS (TA = +25oC unless otherwise specified)
160
r DS(ON) - Switch On Resistance (Ohms)
SWITCH ON RESISTANCE -VSANALOG VOLTAGE
r DS(ON) - Switch On Resistance (Ohms)
80 70 60 50 40 30 20 10 0 + _5
SWITCH ON RESISTANCE -VSSUPPLY VOLTAGE
140 120 100 80 60 40 20 0 -10
V-, V+ = +15V _ R L = 50
R L = 50 VS = 0.1V RMS f = 1KHz
-5.0
0
+5.0
+10
_ +7.5
_ +10
+12.5 _
_ +15
VS - Source Voltage (Volts)
V-, V+ - Supply Voltages (Volts)
SWITCH ON RESISTANCE -VSFREQUENCY 80 70 _ V-, V+ = +8V
r DS(ON) - Switch ON Resistance Total Harmonic Distortion (%)
TOTAL HARMONIC DISTORTION -VSFREQUENCY 0.8 V-, V+ = _ +15V 0.7 0.6 0.5 0.4 0.3 0.2 0.1 0 R L = 1K , VS = 1V RMS 1 4 10 f - Frequency (MHz) 40 R L = 50 , V S = 1V RMS
60 50 V-, V+ = _ +15V 40 30 20 10 0 1 2 5 10 20 f - Frequency (MHz) 50 100 RL = 50 V S = 0.1V RMS
R L = 50 , V S = 0.3V RMS

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