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MAX333ACAP+ |MAX333ACAPMAXN/a33avaiPrecision, Quad, SPDT, CMOS Analog Switch
MAX333ACWP+ |MAX333ACWPMAXN/a5avaiPrecision, Quad, SPDT, CMOS Analog Switch
MAX333ACWP+T |MAX333ACWPTMAXIMN/a9000avaiPrecision, Quad, SPDT, CMOS Analog Switch
MAX333ACWP-T |MAX333ACWPTMAXIMN/a198avaiPrecision, Quad, SPDT, CMOS Analog Switch
MAX333AEUP+T |MAX333AEUPTMAXN/a100avaiPrecision, Quad, SPDT, CMOS Analog Switch
MAX333AEWP+TMAXIMN/a2000avaiPrecision, Quad, SPDT, CMOS Analog Switch
MAX333ACAPMAXIMN/a29avaiPrecision, Quad, SPDT, CMOS Analog Switch
MAX333ACAPMAXN/a30avaiPrecision, Quad, SPDT, CMOS Analog Switch
MAX333ACPP+ |MAX333ACPPMAXIMN/a2003avaiPrecision, Quad, SPDT, CMOS Analog Switch
MAX333AEWP-T |MAX333AEWPTMAXIMN/a186avaiPrecision, Quad, SPDT, CMOS Analog Switch
MAX333ACUP+ |MAX333ACUPMAXN/a110avaiPrecision, Quad, SPDT, CMOS Analog Switch
MAX333AEPP+ |MAX333AEPPMAXIMN/a2500avaiPrecision, Quad, SPDT, CMOS Analog Switch
MAX333AEUP+ |MAX333AEUPMAXN/a47avaiPrecision, Quad, SPDT, CMOS Analog Switch
MAX333AMWP/PR |MAX333AMWPPRMAXIMN/a10avaiPrecision, Quad, SPDT, CMOS Analog Switch


MAX333ACWP+T ,Precision, Quad, SPDT, CMOS Analog SwitchApplicationsMAX333AC/D 0°C to +70°C Dice*Test EquipmentMAX333AEPP -40°C to +85°C 20 Plastic DIPComm ..
MAX333ACWP-T ,Precision, Quad, SPDT, CMOS Analog SwitchFeatures♦ Upgraded Replacement for a DG211/DG212 PairThe MAX333A is a precision, quad, single-pole ..
MAX333AEPP ,Precision, Quad, SPDT, CMOS Analog SwitchGeneral Description ________
MAX333AEPP+ ,Precision, Quad, SPDT, CMOS Analog SwitchELECTRICAL CHARACTERISTICS—Dual Supplies(GND = 0V, V+ = +15V, V- = -15V, T = +25°C, unless otherwis ..
MAX333AEUP ,Precision, Quad, SPDT, CMOS Analog SwitchELECTRICAL CHARACTERISTICS—Dual Supplies(GND = 0V, V+ = +15V, V- = -15V, T = +25°C, unless otherwis ..
MAX333AEUP+ ,Precision, Quad, SPDT, CMOS Analog SwitchELECTRICAL CHARACTERISTICS–DUAL SUPPLIES (continued)(GND = 0V, V+ = +15V, V- = -15V, T = T to T , u ..
MAX699CPA ,Low Cost Power-On Reset and Watchdog ControllerslVI/J X I An Low Cost Power-On Reset and Watchdog Controllers
MAX699CWE ,Low Cost Power-On Reset and Watchdog ControllersFeatures . Precision Voltage Monitor t Power OK/Reset Time Delay . Watchdog Timer . Minimum ..
MAX699CWE ,Low Cost Power-On Reset and Watchdog ControllersElectrical Characteristics). RESET (Small Outline devices only) Goes high when Vcc falls below int ..
MAX699CWE ,Low Cost Power-On Reset and Watchdog ControllerslVI/J X I An Low Cost Power-On Reset and Watchdog Controllers
MAX699CWE ,Low Cost Power-On Reset and Watchdog ControllersELECTRICAL CHARACTERISTICS (TA = 25°C, Vcc = +5V, unless otherwise noted.) those indicated in ..
MAX699CWE+ ,Low-Cost, Power-On Reset and Watchdog ControllersApplicationsPin Coniguration● Computers● ControllersTOP VIEW+● Intelligent InstrumentsV 1 8 GNDCC● ..


MAX333ACAP-MAX333ACAP+-MAX333ACPP+-MAX333ACUP+-MAX333ACWP+-MAX333ACWP+T-MAX333ACWP-T-MAX333AEPP+-MAX333AEUP+-MAX333AEUP+T-MAX333AEWP+T-MAX333AEWP-T-MAX333AMWP/PR
Precision, Quad, SPDT, CMOS Analog Switch
_______________General Description
The MAX333A is a precision, quad, single-pole double-
throw (SPDT) analog switch. The four independent
switches operate with bipolar supplies ranging from
±4.5V to ±20V, or with a single-ended supply between
+10V and +30V. The MAX333A offers low on resistance
(less than 35Ω), guaranteed to match within 2Ωbetween
channels and to remain flat over the analog signal range
(Δ3Ωmax). It also offers break-before-make switching
(10ns typical), with turn-off times less than 145ns and
turn-on times less than 175ns. The MAX333A is ideal for
portable operation since quiescent current runs less
than 50µA with all inputs high or low.
This monolithic, quad switch is fabricated with Maxim’s
new improved silicon-gate process. Design improvements
guarantee extremely low charge injection (10pC), low
power consumption (3.75mW), and electrostatic discharge
(ESD) greater than 2000V.
Logic inputs are TTL and CMOS compatible and guaranteed
over a +0.8V to +2.4V range—regardless of supply voltage.
Logic inputs and switched analog signals can range any-
where between the supply voltages without damage.
________________________Applications

Test Equipment
Communications Systems
PBX, PABX
Heads-Up Displays
Portable Instruments
____________________________Features
Upgraded Replacement for a DG211/DG212 Pair
or Two DG403s
Low On Resistance < 17ΩTypical (35ΩMax)Guaranteed Matched On Resistance Between
Channels < 2Ω
Guaranteed Flat On Resistance over Analog
Signal Range Δ3ΩMax
Guaranteed Charge Injection < 10pCGuaranteed Off-Channel Leakage < 6nA at +85°CESD Guaranteed > 2000V per Method 3015.7Single-Supply Operation (+10V to +30V)
Bipolar-Supply Operation (±4.5V to ±20V)
TTL-/CMOS-Logic CompatibilityRail-to-Rail Analog Signal Handling Capability
______________Ordering Information
Contact factory for dice specifications.
MAX333A
Precision, Quad, SPDT, CMOS Analog Switch

INPUTS
OSC
FLYING CAPACITOR
LEVEL TRANSLATOR
(2-CHANNEL)
OUTPUTS
V1 - V2
V3 - V4
__________Typical Operating Circuit

SWITCHES ARE SHOWN WITH LOGIC "0" INPUT
N.C. = NOT INTERNALLY CONNECTED
IN4
NO4
COM4
NC4NC1
COM1
NO1
IN1
MAX333A
N.C.
NC3
COM3COM2
NC2
GND
NO3
IN3IN2
NO2
TOP VIEW
DIP/SO/TSSOP
__________________Pin Configuration
PARTTEMP. RANGEPIN-PACKAGE

MAX333ACPP0°C to +70°C20 Plastic DIP
MAX333ACWP0°C to +70°C20 Wide SO
MAX333ACUP0°C to +70°C20 TSSOP
MAX333AEPP-40°C to +85°C20 Plastic DIP
MAX333AEWP-40°C to +85°C20 Wide SO
MAX333AEUP-40°C to +85°C20 TSSOP
19-0189; Rev 1; 6/99
MAX333AC/D0°C to +70°CDice*
MAX333AMJP-55°C to +125°C20 CERDIP
MAX333A
Precision, Quad, SPDT, CMOS Analog Switch
ABSOLUTE MAXIMUM RATINGS

V+ to V-..................................................................................44V
VIN, VCOM, VNO, VNC......................................................V- to V+
(VNO- VNC)............................................................................32Vto Ground..........................................................................30V
V- to Ground..........................................................................-30V
Current, Any Terminal Except VCOM, VNO, or VNC.............30mA
Continuous Current, VCOM, VNO, or VNC............................20mA
Peak Current, VCOM, VNO, or VNC
(Pulsed at 1ms, 10% duty cycle max)............................70mA
ESD....................................................................................2000V
Continuous Power Dissipation (TA = +70°C) (Note 1)
Plastic DIP (derate above +70°C by 11.11mW/°C).....889mW
SO (derate above +70°C by 10.00mW/°C)..................800mW
CERDIP (derate above +70°C by 11.11mW/°C)..........889mW
TSSOP (derate above +70°C by 7mW/°C)..................559mW
Operating Temperature Ranges:
MAX333AC__.....................................................0°C to +70°C
MAX333AE__..................................................-40°C to +85°C
MAX333AMJP................................................-55°C to +125°C
Storage Temperature Range.............................-65°C to +150°C
Lead Temperature (soldering, 10sec).............................+300°C
ELECTRICAL CHARACTERISTICS—Dual Supplies

(GND = 0V, V+ = +15V, V- = -15V, TA= +25°C, unless otherwise noted.)
Note 1:
Device mounted with all leads soldered to PC board.
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and function-
al operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure
to absolute maximum rating conditions for extended periods may affect device reliability.
PARAMETERSYMBOLMINTYPMAX

(Notes 2, 3)UNITS
Input Voltage LowVILV-0.8V
Negative Supply CurrentI-0.011mA1030
Input Voltage HighVIH2.4V+V
Input CurrentIIN-1.00.00011.0µA
Analog Signal RangeVCOM, VNO,VNCV-V+V
Positive Supply CurrentI+0.050.25mA
Supply Voltage RangeV+/V-±4.5V±20V
On Circuit ResistanceRON2035Ω
On Resistance Match
Between Channels (Note 4)RONΩ
On Resistance Flatness
(Note 4)RONI(NCorNO)= -10mA, VD= 5V
or -5V, V+ =15V, V- = -15VΩ
On Circuit Leakage
CurrentICOM-0.750.75nA
Off Circuit Leakage
Current
INC or
INO
-0.250.010.25nA
Turn-Off TimetOFF145ns
Turn-On TimetON175ns
Break-Before-Make TimetOPEN10ns
Off CapacitanceCOFF5pF
On CapacitanceCON5pF
Charge InjectionQ210pC
OIRR72dB
CONDITIONS

VIN= 0V/5V,V+ = 16.5V, V- = -16.5V
Single supply, V- = GND
VIN= V-, V+
Figure 1
VIN= 0V/5V,V+ = 16.5V, V- = -16.5V
Dual supply,  V+= V-= 10nF, VGEN= 0V,
RGEN= 0Ω, Figure 6
f = 1MHz, RL = 75Ω,
VCOM= 2.3VRMS
CCRR78dB
VCOM= +10V, I(NCorNO)= 1mA;
VCOM= -10V, I(NCorNO)= 1mATA= +25°C= +25°C
VCOM= ±15.5V, VNC or VNO= +15.5V,
V+ = 16.5V, V- = -16.5V
VCOM= ±15.5V VNC or VNO= +15.5V,
V+ = 16.5V, V- = -16.5V= TMINto TMAX= TMINto TMAX
C, E
C, E
C, E= +25°C
Off Isolation
Crosstalk
I(NCorNO)= -10mA, VD= 10V
or -10V, V+ =15V, V- = -15V
POWER REQUIREMENTS
LOGIC INPUT
SWITCH
DYNAMIC
MAX333A
Precision, Quad, SPDT, CMOS Analog Switch
ELECTRICAL CHARACTERISTICS–DUAL SUPPLIES (continued)

(GND = 0V, V+ = +15V, V- = -15V, TA= TMINto TMAX, unless otherwise noted.)
ELECTRICAL CHARACTERISTICS—Single Supply

(GND = 0V, V+ = +12V, V- = 0V, TA = +25°C, unless otherwise noted.)
PARAMETERSYMBOLMINTYPMAX

(Notes 2, 3)UNITS
On Circuit ResistanceRON45Ω
Analog Signal RangeVCOMV-V+V
Input CurrentIIN-1.00.00011.0µA
On Circuit Leakage CurrentICOM-1010nA
On Circuit Leakage CurrentINCor INO-66nA
Input Voltage LowVILV-0.8V
Input Voltage HighVIH2.4V+V
CONDITIONS

VIN= V-, V+
PARAMETER

Off Circuit Leakage Current
SYMBOLMINTYPMAX

(Notes 2, 3)
INC or
INO0.25
UNITS

Input CurrentIINµA
Input Voltage HighVINHI2.4V+V
Input Voltage LowVINLO00.8V
Turn-Off Time
Analog Signal RangeVCOM,
VNO, VNCV-V+V
tOFF45ns
Turn-On Time
On Circuit Resistance
tON
rON3575
On Circuit Leakage Current
ICOM0.75nA
Break-Before-Make TimetOPEN510ns
Off Isolation
Supply Voltage Range
OIRR70dB
CrosstalkCCRR72dB1030V
Positive Supply Currentl+0.25mA
CONDITIONS

VCOM= 11V
VNC or VNO = 1V
VIN= V+, 0V
Figure 1
VCOM= 10V, I(NC orNO)= 1mA,
VCOM= 1V, I(NC orNO)= 1mA
VCOM= 11V, VNC or VNO= 0V
VCOM= 1V, VNC or VNO= V+
f = 1MHz, RL= 75Ω, VCOM= 2.3VRMS
Single supply, V- = GND
VCOM= 10V, I(NC orNO)= 1mA;
VCOM= -10V, I(NC orNO= 1mA
VCOM = ±15V, VNC or VNO= -15V,
V+ = 16.5V, V- = -16.5V
VCOM = ±15V, VNC or VNO= -15V,
V+ = 16.5V, V- = -16.5V
C, E
C, E
C, E
Note 2:The algebraic convention, whereby the most negative value is a minimum and the most positive is a maximum, is used in
this data sheet.
Note 3:
Typical values are for design aid only, not guaranteed or subject to production testing.
Note 4:
On resistance match between channels and flatness are guaranteed only with bipolar-supply operation.
LOGIC INPUT
SWITCH
DYNAMIC
SWITCH
INPUT
SUPPLY
MAX333A
Precision, Quad, SPDT, CMOS Analog Switch
__________________________________________Typical Operating Characteristics

(TA = +25°C, unless otherwise noted).
ON RESISTANCE
vs. VCOM AND POWER SUPPLY VOLTAGE
MAX333A-01
VCOM (V)
020C
A: V+ = 5V,
V- = -5V
B: V+ = 10V,
V- = -10V
C: V+ = 15V,
V- = -15V
D: V+ = 20V,
V- = -20V
ON RESISTANCE
vs. VCOM AND TEMPERATURE
MAX333A-02
VCOM(V)
V+ = 15V
V- = -15VTA = +125°C
+85°C
+25°C
-55°C15
ON RESISTANCE
vs. VCOM AND TEMPERATURE

MAX333A-03
VCOM(V)20
V- = 0V
V+ = 5V
V+ = 10V
V+ = 15V
V+ = 20V15
ON RESISTANCE
vs. VCOM AND SINGLE SUPPLY

MAX333A-04
VCOM (V)20
V+ = 12V
V- = 0V
TA = +125°C
TA = +85°C
TA = +25°C
CHARGE INJECTION vs. VCOM
MAX333A-07
VCOM (V)
Q (pC)
VSUPPLY = +15V
OFF LEAKAGE CURRENTS
vs. TEMPERATURE
MAX333A-05
TEMPERATURE (°C)
OFF LEAKAGE
+25+125
V+ = 16.5V
V- = -16.5V
VCOM = ±15V
VNC OR VNO = ±15V
ON LEAKAGE CURRENTS
vs. TEMPERATURE
MAX333A-06
TEMPERATURE (°C)
ON LEAKAGE
+25+125
V+ = 16.5V
V- = -16.5V
VCOM = ±15V
VNC OR VNO = ±15V
SUPPLY CURRENT vs. TEMPERATURE
MAX333A-08
TEMPERATURE (°C)
I+, I-, I
+25+125
I+ AT V+ = +16.5V
I- AT V+ = +16.5V
__________Applications Information
Operation with Supply Voltages
Other than ±15Vo
The main limitation of supply voltages other than ±15V is
a reduction in the analog signal range. The MAX333A
operates with ±5V to ±20V bipolar supplies. The
Typical Operating Characteristicsand graphs show typ-
ical on resistance for ±15V, ±10V, ±5 supplies.
Switching times increase by a factor of two or more for
±5V operation. The MAX333A can operate from +10V
to +24V unipolar supplies. It can be powered from a
single +10V to +24V supply, as well as from unbalanced
supplies such as +24V and -5V. Connect V- to 0V when
operating with a single supply.
Overvoltage Protection

Proper power-supply sequencing is recommended for
all CMOS devices. It is important not to exceed the
absolute maximum ratings because stresses beyond
the listed ratings may cause permanent damage to the
devices. Always sequence V+ on first, followed by VL,
V-, and logic inputs. If power-supply sequencing is not
possible, add two small signal diodes in series with the
supply pins (Figure 1). Adding the diodes reduces the
analog signal range to 1V below V+ and 1V below V-,
but low switch resistance and low leakage characteris-
tics are unaffected.
MAX333A
Precision, Quad, SPDT, CMOS Analog Switch
PINFUNCTION
Not Internally ConnectedGroundNegative Power Supply
4, 7, 14, 17Normally Closed SwitchesPositive Power Supply
1, 10, 11, 20Logic-Level Inputs
2, 9, 12, 19Normally Open Switches
3, 8, 13, 18Common Switch Poles
NAME

N.C.
GND
NC1-NC4
IN1-IN4
NO1-NO4
COM1-COM4
_____________________Pin Description

tR < 20ns
tF < 20ns
50%
+10V
LOGIC
INPUT
-15V
300W
COM_
GND
(REPEAT TEST FOR IN2, IN3, AND IN4.)
VIN
+10V
IN_
NO_
50%
tOPEN
50%50%
50%50%
tOPEN
tON
tOFF
tON
tOFF
-10V
VCOM
+15V
NC_
-10V
SWITCH OUTPUT
Figure 2. Switching-Time Test Circuit
NO_
( OR NC_)
COM_
Figure 1. Overvoltage Protection Using Blocking Diodes
______________________________________________Test Circuits/Timing Diagrams
MAX333A
Precision, Quad, SPDT, CMOS Analog Switch

CAPACITANCE
METERNO_
OR NC_
COM_
GNDCV-
-15V
IN_0V, 2.4V
+15V
50%O1
VO2
0.9VO
+3VCOM
VCOM
LOGIC
INPUT
SWITCH
OUTPUT
SWITCH
OUTPUT
+15V
-15V
CL INCLUDES FIXTURE AND STRAY CAPACITANCE.
LOGIC 0 INPUT.
GNDLOGIC
INPUT
0.9VODtD
RL2L2
VO2O1
CL1
RL = 1000W
CL = 35pF
COM_VCOM
RL1
IN_
VGENGND
NC OR NO
10nF
VO
-15VGENO
IN_OFFVO
Q = (DVO)(CL)
COM_
+15V
IN_
Figure 3. Channel-Off Capacitance
Figure 5. Break-Before-Make
Figure 6. Charge Injection
CAPACITANCE
METERNO
OR NC
COM_
GNDCV-
-15V
IN_
0V,
2.4V
+15V
Figure 4. Channel-On Capacitance
______________________________________________Test Circuits/Timing Diagrams
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