DG309

Quad SPST Analog Switches


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Description

The DG308A/DG309 are quad, single-pole-single-throw (SPST) analog switches. The DG308A is normally open (SPST, NO), while the DG309 is normally closed (SPST, NC). Both parts feature fast switching speeds and low on-resistance over the analog range. Other features include a turn-on time under 120ns, a turn-off time under 90ns, and a channel on-resistance of 60Ω. CMOS inputs provide reduced input loading and very low leakage currents.

Both parts feature a 44V maximum breakdown voltage rating that allows 30V peak-to-peak switch-off blocking capacity. The DG308A/DG309 can be used with split supplies (±5V to ±20V) or a single positive supply (+5V to +30V), while retaining CMOS-logic-compatible inputs.
DG308A, DG309: Typical Operating Circuit DG308A, DG309: Typical Operating Circuit Enlarge+

Key Features

  • 60Ω RDS(ON)
  • Single/Bipolar-Supply Operation
  • CMOS Logic Compatible
  • Monolithic, Low-Power CMOS Design

Applications/Uses

  • Communication Systems
  • Guidance and Control Systems
  • Heads-Up Displays
  • Military Radios
  • PBX, PABX
  • Sample-and-Hold Circuits
  • Test Equipment
Part NumberFunctionsConfig.ChannelsNormal PositionVSUPPLY (Dual)
(±V)
VSUPPLY (Dual)
(±V)
RON
(Ω)
IL(OFF)
(nA)
tON
(ns)
tOFF
(ns)
QINJECTION
(pC)
CON
(pF)
COFF
(pF)
Package/PinsBudgetary
Price
minmaxmaxmaxmaxmaxSee Notes
DG308A SwitchSPST4Open4.520100120015010278
CDIP(N)/16
PDIP(N)/16
SOIC/16
SOIC(N)/16
$5.33 @1k
DG309 Closed
CDIP(N)/16
PDIP(N)/16
SOIC/16
SOIC(N)/16
$4.16 @1k
See All Switches and Multiplexers (Mid and High Voltage) (300)
Pricing Notes:
This pricing is BUDGETARY, for comparing similar parts. Prices are in U.S. dollars and subject to change. Quantity pricing may vary substantially and international prices may differ due to local duties, taxes, fees, and exchange rates. For volume-specific and version-specific prices and delivery, please see the price and availability page or contact an authorized distributor.

Quality and Environmental Data

Request Reliability Report for: DG309 
Lead-Free Package Tin (Sn) Whisker Reports

CAD Symbols and Footprints

  • DG309AK
  • DG309CJ
  • DG309CJ+
  • DG309CK
  • DG309CY
  • DG309DJ
  • DG309DK
  • DG309DY
  • Device   Fab Process   Technology   Sample size   Rejects   FIT at 25°C   FIT at 55°C  

    Note : The failure rates are summarized by technology and mapped to the associated material part numbers. The failure rates are highly dependent on the number of units tested.

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