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DG202AK/883B |DG202AK883BHARN/a110avaiQuad SPST CMOS Analog Switches
DG202CJ+MAXIMN/a3500avaiQuad SPST CMOS Analog Switches
DG202DYMAXIMN/a37avaiQuad SPST CMOS Analog Switches
DG202DYHARN/a12774avaiQuad SPST CMOS Analog Switches
DG202DYMAXN/a13avaiQuad SPST CMOS Analog Switches
DG202DYSILICONIXN/a36avaiQuad SPST CMOS Analog Switches
DG212CSE+MAXIMN/a1500avaiQuad SPST CMOS Analog Switches
DG212DYDGN/a575avaiQuad SPST CMOS Analog Switches


DG202DY ,Quad SPST CMOS Analog SwitchesDG202/DG21219-3960; Rev 1; 6/01Quad SPST CMOS Analog Switches
DG202DY ,Quad SPST CMOS Analog Switchesapplications.DG202C/D 0°C to +70°CDiceMaxim has also eliminated the need for the third logicDG202AE ..
DG202DY ,Quad SPST CMOS Analog SwitchesApplicationsDG202AAK -55°C to +125°C 16 CERDIPAnalog Multiplexers DG212CUE 0°C to +70°C 16 TSSOPDG2 ..
DG202DY ,Quad SPST CMOS Analog SwitchesELECTRICAL CHARACTERISTICS (DG212)(V+ = +15V, V- = -15V, GND = 0, T = +25°C, unless otherwise noted ..
DG2031DQ-T1 ,Low-Voltage / Sub 1 / Dual SPDT Analog SwitchAbsolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, ..
DG2034DN ,Single 4:1 Low rON MultiplexersABSOLUTE MAXIMUM RATINGSReference to GND Storage Temperature (D Suffix) . . . . . . . . . . . . . . ..
DPS05R05 , DC-DC CONVERTER
DPS05U09 , DC-DC CONVERTER
DPS05U09 , DC-DC CONVERTER
DPS12R09 , DC-DC CONVERTER
DPS12R12 , DC-DC CONVERTER
DPS-8 ,Winfield Corporation - 14 PIN DIP SINEWAVE


DG202AK/883B-DG202CJ+-DG202DY-DG212CSE+-DG212DY
Quad SPST CMOS Analog Switches
General Description
The DG202 and DG212 are normally open, quad sin-
gle-pole single-throw (SPST) analog switches. These
CMOS switches can be continuously operated with
power supplies ranging from ±4.5V to ±18V. Maxim
guarantees that these switches will not latch up if the
power supplies are disconnected with input signals still
connected.
The DG202/DG212 are similar to the DG201/DG211
except for inverted control inputs. All devices have
guaranteed break-before-make switching, as well as
essentially constant on-resistance over the analog
signal range. All switches conduct current in either
direction and add no offset to the output signal.
Compared to the original manufacturer’s products,
Maxim’s DG202 and DG212 consume very little power,
making them better suited for portable applications.
Maxim has also eliminated the need for the third logic
power supply (VL) that is required for the operation of
the original manufacturer’s DG212 without sacrificing
compatibility.
Applications

Analog Multiplexers
Programmable Gain Amplifiers
Communications Systems
Sample/Holds
Automatic Test Equipment
PBX, PABX
Features
Guaranteed ±4.5V to ±18V OperationNo VLSupply RequiredNonlatching with Supplies Turned Off and Input
Signals Present
CMOS and TTL Logic CompatibleMonolithic, Low-Power CMOS Design
DG202/DG212
Quad SPST CMOS Analog Switches
Pin Configurations
Ordering Information

19-3960; Rev 1; 6/01
Typical Operating Circuit
DG202/DG212
Quad SPST CMOS Analog Switches
ABSOLUTE MAXIMUM RATINGS (DG212)
ELECTRICAL CHARACTERISTICS (DG212)

(V+ = +15V, V- = -15V, GND = 0, TA= +25°C, unless otherwise noted.) (For more information on TYP values see Note 2.)
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional
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.
V+ to V-………………………………….............……………….44V
VINto Ground…………………………..................….……...V-, V+to Ground………....................……………………….-0.3V, 25Vor VDto V+……...........................………………………0, -40Vor VDto V-……………........................…………………..0, 40V
V+ to Ground…………………...................................………...25V
V- to Ground…………………………………….................…...-25V
Current, Any Terminal Except S or D……….............……...30mA
Continuous Current, S or D……………………..............…...20mA
Peak Current, S or D
(pulsed at 1ms 10% duty cycle max)…..........................70mA
Storage Temperature Range……………..……..-65°C to +125°C
Operating Temperature Range
DG211C................................……………...……...0°C to +70°C
DG211D/E.........................……………...……...-40°C to +85°C
Power Dissipation (TA= +70°C) (Note 1)
16-Pin Plastic Dip (derate 10.5mW/°C above +70°C)..842mW
16-Pin Narrow SO (derate 8.7mW/°C above+70°C).....696mW
16-Pin TSSOP (derate 9.4mW/°C above +70°C)..........755mW
16-Pin QFN (5 ✕5)
(derate 19.2mW/°C above +70°C).........................1538mW
Note 1:
Device mounted with all leads soldered to PC board.
DG202/DG212
Quad SPST CMOS Analog Switches
ABSOLUTEMAXIMUM RATINGS (DG202)

Voltages Reference to V-
V+………………………………………………..……………..44V
GND……………………………………………..……….…….25V
Digital Inputs (Note 1), VS, VD............................-2V to (V+ + 2V)
or 20mA, whichever occurs first
Current, Any Terminal Except S or D………..….…………...30mA
Continuous Current, S or D…………………………………...20mA
Peak Current, S or D
(pulsed at 1ms 10% duty cycle max)…………………….70mA
Operating Temperature Range
DG202C....................…………........………..…...0°C to +70°C
DG202D/E............………………….....…..….…-40°C to +85°C
DG202A..........………........................…….…-55°C to +125°C
Storage Temperature Range………………..…..-65°C to +150°C
Power Dissipation (Note 2)
16-Pin Plastic Dip (derate 10.5mW/°C above +70°C)...842mW
16-Pin SO (derate 8.7mW/°C above +70°C).................696mW
16-Pin TSSOP (derate 9.4mW/°C above +70°C)...........755mW
16-Pin QFN (5 ✕5)
(derate 19.2mW/°C above +70°C)...........................1538mW
16-Pin CERDIP (derate 10.0mW/°C above +70°C)......800mW
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional
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.
ELECTRICAL CHARACTERISTICS (DG202)
ELECTRICAL CHARACTERISTICS (DG212) (continued)

(V+ = +15V, V- = -15V, GND = 0, TA= +25°C, unless otherwise noted.) (For more information on TYP values see Note 2.)
Note 1:
Signals on S_, D_, or IN_exceeding V+ or V- on Maxim’s DG202 will be clamped by internal diodes, and are also internally cur-
rent limited to 25mA.
Note 2:
Device mounted with all leads soldered to PC board.
Note 2:
Typical values are for DESIGN AID ONLY, not guaranteed nor subject to production testing.
Note 3:
ID(ON)is leakage from driver into “ON” switch.
Note 4:
OFF-Isolation = 20 log VS/VD, VS= input to OFF switch, VD= output.
DG202/DG212
Quad SPST CMOS Analog Switches
Note 3:
Typical values are for DESIGN AID ONLY, not guaranteed nor subject to production testing.
Note 4:
ID(ON)is leakage from driver into “ON” switch.
ELECTRICAL CHARACTERISTICS (DG202) (continued)
DG201A/DG211
Quad SPST CMOS Analog Switches
ELECTRICAL CHARACTERISTICS (DG202)

(V+ = +15V, V- = -15V, GND = 0, TA= full opearting temperature range, unless otherwise noted.) (For more information on TYP
Note 5:
Electrical characteristics, such as ON-Resistance, will change when power supplies other than ±15V, are used.
Note 6:
ID(ON)is leakage from driver into “ON” switch.
Pin Description
Switching Time Test Circuit

Switch output waveform shown for VS= constant with
logic input waveform as shown. Note that VSmay be
+ve or -ve as per switching times test circuit. VOis the
steady state output with switch on. Feedthrough via
gate capacitance may result in spikes at leading and
trailing edge of output waveform.
Protecting Against Fault
Conditions

Fault conditions occur when power supplies are turned
off when input signals are still present, or when over-
voltages occur at the inputs during normal operation. In
either case, source-to-body diodes can be forward
biased and conduct current from the signal source. If
DG202/DG212
Quad SPST CMOS Analog Switches

this current is required to be kept to low (µA) levels
then the addition of external protection diodes is rec-
ommended.
To provide protection for overvoltages up to 20V above
the supplies, a 1N4001 or 1N914 type diode should be
placed in series with the positive and negative supplies
as shown in Figure 2. The addition of these diodes will
reduce the analog signal range to 1V below the posi-
tive supply and 1V above the negative supply.
Figure 1. Switching Time
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