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DG308AAK/883 |DG308AAK883HARN/a13avaiQuad Monolithic SPST CMOS Analog Switches
DG308AAK/883 |DG308AAK883SILICONIXN/a13avaiQuad Monolithic SPST CMOS Analog Switches
DG308AAK/883 |DG308AAK883INTERSILN/a500avaiQuad Monolithic SPST CMOS Analog Switches
DG308AAK/883 |DG308AAK883HPN/a13avaiQuad Monolithic SPST CMOS Analog Switches
DG308AAK883INTERSILN/a600avaiQuad Monolithic SPST CMOS Analog Switches
DG308ADYDGN/a2avaiQuad / SPST Analog Switches
DG308ADYSIN/a45avaiQuad / SPST Analog Switches
DG308ADYHARRISN/a20avaiQuad / SPST Analog Switches
DG309CJN/a24avaiQuad / SPST Analog Switches
DG309CJDGN/a40avaiQuad / SPST Analog Switches
DG309CJINTERSILN/a20avaiQuad / SPST Analog Switches
DG309DYSILICONN/a43avaiQuad / SPST Analog Switches


DG308AAK883 ,Quad Monolithic SPST CMOS Analog SwitchesDG308A/DG309Vishay SiliconixQuad Monolithic SPST CMOS Analog Switches     ..
DG308ACJ ,Quad Monolithic SPST / CMOS Analog SwitchFeaturesSwitch• Low Power ConsumptionThe DG308A quad monolithic SPST, CMOS switch is latch• CMOS Co ..
DG308ACK ,Quad / SPST Analog SwitchesELECTRICAL CHARACTERISTICS(V+ = 15V, V- = -15V, T = T to T , unless otherwise noted.) (Note 2)A MIN ..
DG308ACY ,Quad Monolithic SPST / CMOS Analog Switchapplications in• Alternate Sourcecommunications, instrumentation and process control. TheDG308A has ..
DG308ACY ,Quad Monolithic SPST / CMOS Analog Switchfeatures include a' Monolithic, Low-Power CMOS Designturn-on time under 120ns, a turn-off time unde ..
DG308ACY ,Quad Monolithic SPST / CMOS Analog SwitchFeaturesSwitch• Low Power ConsumptionThe DG308A quad monolithic SPST, CMOS switch is latch• CMOS Co ..
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DG308AAK/883-DG308AAK883-DG308ADY-DG309CJ-DG309DY
Quad Monolithic SPST CMOS Analog Switches
VISHAY
DG308AIDG309
Vishay Siliconix
Quad Monolithic SPST CMOS Analog Switches
APPLICATIONS
Full Rail-to-Rail Analog Signal Range q Portable and Battery Powered
Instrumentation
Communication Systems
Single or Dual Supply Capability q Computer Peripherals
High-Speed Multiplexing
FEATURES BENEFITS
o i15-VAnalog Input Range q
q Low On-Resistance: 60 Q q Low Signal Error
. Fast Switching: 130 ns 0 l/Wie Dynamic Range
. Low Power Dissipation: 30 nW o
o CMOS Logic Compatible q Static Protected Logic Inputs
q Space Savings (TSSOP)
DESCRIPTION
Featuring low on-resistance (60 Q) and fast switching
(130 ns), the DG308A is supplied in the "normally open"
conhguration while DG309 is supplied "normally closed." Input
thresholds are high voltage CMOS compatible.
Designed with the Vishay Siliconix PLUS-4O CMOS process
to combine low power dissipation with a high breakdown
voltage rating of 44 V, each switch conducts equally well in
both directions when on, and blocks up to the supply voltage
when off. An epitaxial layer prevents latch up.
The DG308B/309B upgrades are recommended for new
designs.
FUNCTIONAL BLOCK DIAGRAM AND PIN CONFIGURATION
t_....Y
0: [1e,oiiii'siiict1,?i,s'i, C,,'"
s, E MEI s2
GND E fig NC
04 E-t -1 r LEI vs
IN4 E 44 El IN3
Four SPST Switches per Package
TRUTH TABLE
Logic DG308A DG309
0 OFF ON
1 ON OFF
Logic"0" s 3.5
Logic "I" V
Document Number: 70046
S-52882-Reu E, 28-Apr-97
www.vishay.com . FaxBack 408-970-5600
DG308A/DG309
VISHAY
Vishay Siliconix
ORDERING INFORMATION
Temp Range Package Part Number
DG308ACJ
0 to 70°C 16-Pin Plastic DIP
DG309C0
DG308ADY
16-Pin Narrow SOIC
DG309DY
-40 to 85°C
DG308ADQ
16-Pin TSSOP
DG309DQ
DG308AAK/883
-55 to 125°C 16-Pin CerDIP
DG309AKI883
ABSOLUTE MAXIMUM RATINGS
Voltages Referenced to V- Power Dissipationb
V+ _.......................................................... 44 v 16-Pin Plastic DIPC .VV.V_P_VVPP_V_PPVPP_VVPVl.V__ 470 mW
GND _........................................................ 25 v 12E“ gargévgso'c and TSSOPS ---------------------------- :33 mm
Digital Inputsa, Vs, VD _________________________ N-) -2 V to (V+) +2V or - In er lp ............................................ m
20 mA, whichever occurs flrst Notes:
Current, Any Terminal Except S or D .......................... 30 mA a. Signals on Sx, Dx, or INX exceeding V+ or v_ will be clamped by internal
Continuous Current, s or D .................................. 20 mA diodes. Limit forward diode current to maximum current ratings.
0 b. All leads welded or soldered to PC Board.
(Pulsed at 1 ms, 10 A: duty cycle max) ......................... 70 mA C. Derate 12 mW/°C above 75°C
Storage Temperature (AK Sumx) .................. -65 to 150°C d. Derate 6.5 mW/°C above 25°C
(CJ, DY, and DO SutW) ....... -65 to 125°C e. Derate 7.6 mW/°C above 75°C
SCHEMATIC DIAGRAM (TYPICAL CHANNEL)
K II'J i
'- '- V_
- Level '-
- Shift/ Ix, (ir, '-
VIN o-NNN- Drive V '- I:
T '- li-
'-- '_ V+
GND C _
FIGURE 1.
www.vishay.com . FaxBack 408-970-5600
Document Number: 70046
S-52882-Rev. E, 28-Apr-97
VISHAY
DG308AIDG309
Vishay Siliconix
SPECIFICATIONS"
Test Conditions A Suffix
UnltssOthorwisaSpecimsd -65m129C C,DSuffix
V+=15V,V----15V b ",d d .d d .
Parameter Symbol VIN = 3.5 v or 11 Vt Temp Typ° Min Max Min Max Unit
AnalogSwitch
Analog Signal Rangee VANALOG Full -15 15 -15 15 V
Drain-Source - - Room 60 100 100
On-Resistance mam) Vro=ce10V,ls=1mA Full 150 125 Q
Source Off - - Room d: 0.1 -1 1 -5 5
Leakage Current ls(oti) VS - i 14 V, VD - T14 V Full -100 100 -100 100
Drain Off - - Room i 0.1 -1 1 -5 5
Leakage Current Iro(st) VD - i 14 V, VS - T14 V Full -100 100 -100 100 nA
Drain On - - Room i0.1 -1 1 -5 5
Leakage Current ID(on) VD - VS - i 14 V Full -100 100 -200 200
Digital Control
Input Current with -
InputN/oltageHigh “NH 1hN=15V Full 0.001 1 1
Input Current with -
Input Voltage Low IINL VIN - O V Full -0.001 -1 -1
Input Capacitance Cm Room 8 pF
Dynamic Characteristics
Turn-On Time tON Room 130 200 200
See Figure 2 ns
Turn-Off Time tOFF Room 90 150 150
Charge Injection Q CL = 0.01 11F, Rgen = 0 C2, Vgen = 0 V Room -10 pC
Source-Off
Capacitance Cs(ott) Room 11
Drain-Off - -
Capacitance Comm f=140kHz,Vs,VD--0V Room 8 pF
Channel-On
Capacitance Cr0(on) Room 27
Oft-isolation' OIRR RL = 75 , Vs = 2 Vp-p, f= 500 kHz Room 78 dB
PowerSupplies
Positive " Room 0.001 10 10
Supply Current All Channels On or Off Full 100 100
Negative F 1hN=0Vor15V Room Ah001 -10 -100 lm
Supply Current Full -100
Notes:
eweovw
Refer to PROCESS OPTION FLOWCHART.
Room = 25°C, Full = as determined by the operating temperature sunt.
Typical values are for DESIGN AID ONLY, not guaranteed nor subject to production testing.
The algebraic convention whereby the most negative value is a minimum and the most positive a maximum, is used in this data sheet.
Guaranteed by design, not subject to production test.
VIN = input voltage to perform proper function.
Document Number: 70046
S-52882-Reu E, 28-Apr-97
www.vishay.com . FaxBack 408-970-5600
DG308A/DG309
VISHAY
Vishay Siliconix
TYPICAL CHARACTERISTICS (25°C UNLESS NOTED)
rDSton) vs. VD and Power Supply
TA-- 25°C
rDS(on)- Drain-Source On-Resistance( Q )
I’DS(on)— Drain-Source On-Resistance ( Q )
-15 -10 -5 0 5 10 15 20
VD - Drain Voltage (V)
Leakage Currents vs. Analog Voltage
TA = 25°C
stir.. >
_ -10 ,
-15 -12 -9 -6 -3 0 3 6 9 12 15
VD or VS - Drain or Source Voltage (V)
Supply Currents vs. Switching Frequency
(All Inputs Active)
1000 I I lllllll
ck 15 V Supplies
TA = 25°C
200 ,l I + -
ssrssrst
100 Tra-'"
1 k 10 k 100 k 1 M
f- Frequency (Hz)
rDSton) vs. VD and Power Supply Voltage
v+=+75v TA=259C
v- = OV
0 5 10 15 20
VD - Drain Voltage (V)
Input Switching Threshold
vs. V+ and v- Supply Voltages
TA=25°C
w,,,,,.,,,--"'''''''
o,,,.,,,,,,,,,,,,,,--::':',',''.','',".',.",,?----)
"1C'','V"
i 5 cl: 10 d: 15 l 20
V+, v- Positive & Negative Supplies (V)
Input Switching Threshold vs. Positive
Supply Voltage
v- = 0 v
- TA = 25°C
o 5 10 15
V+ - Positive Supply Voltage (V)
www.vishay.com . FaxBack 408-970-5600
Document Number: 70046
S-52882-Rev. E, 28-Apr-97
VISHAY D9308A/P.G399
Vishay Siliconix
TEST CIRCUITS
T +15V
V+ Logic
Vs=+3V C S A D o Vo Input
IN L =
12 v "-i>- RL CL
GND v- 1 kg 35 pF
= = Switch
Output
= --r -15 v
v = v -
o S RL + rDS(on)
FIGURE 2. Switching Time
APPLICATIONS
Single Supply Operation
The DG308A and DG309 will switch positive analog signals
while using a single positive supply. This will allow use in many
applications where only one supply is available. The trade-offs
or performance given up while using single supplies are:
1) increased rDs(on) and 2) slower switching speed. As stated
in the absolute maximum ratings section of the data sheet, the
analog voltage should not go above or below the supply
voltages which in single supply operation are V+ and O V.
Document Number: 70046 www.vishay.com . FaxBack 408-970-5600
S-52882-Reu E, 28-Apr-97 4-5

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