MAX305:Precision, Dual, High-Speed Analog Switches

The MAX301/MAX303/MAX305 are precision, dual, highspeed analog switches. The single-pole single-throw (SPST) MAX301 and double-pole single-throw (DPST) MAX305 dualswitches are normally open (NO). The single-pole double-throw (SPDT) MAX303 has two NO and two normally closed (NC) poles. All three parts offer low on resistance (less than 35Ω), guaranteed to match to within 2Ω between channels and to remain flat over the full analog signal range (Δ3Ω max). They also offer low leakage (less than 250pA at +25°C and less than 6nA at +85°C) and fast switching (turn-on time less than 150ns and turn-off time less than 100ns). The MAX301/MAX303/MAX305 are fabricated with Maxim's new improved silicon-gate process for high system accuracy. Design improvements guarantee extremely low charge injection (15pC) and low power consumption (35µW). A 44V maximum breakdown voltage allows rail-to-rail analog signal capability. These monolithic switches operate with a single positive supply (+10V to +30V) or with split supplies (±4.5V to ±20V) while retaining CMOS-logic input compatibility and fast switching. CMOS inputs provide reduced input loading.

Key Features
  • Low On-Resistance < 22Ω Typical (35Ω Max)
  • Guaranteed Matched On-Resistance Between Channels < 2Ω
  • Guaranteed Flat On-Resistance over Full Analog Signal Range Δ3Ω Max
  • Guaranteed Charge Injection < 15pC
  • Guaranteed Off-Channel Leakage < 6nA at +85°C
  • Single-Supply Operation (+10V to +30V)
  • Bipolar-Supply Operation (±4.5V to ±20V)
  • TTL-/CMOS-Logic Compatible
  • Rail-to-Rail Analog Signal Handling Capability
MAX301, MAX303, MAX305: Pin Configuration
MAX301, MAX303, MAX305: Pin Configuration
Applications/Uses
  • Battery-Powered Applications
  • Communication Systems
  • Guidance and Control Systems
  • Heads-Up Displays
  • Military Radios
  • PBX, PABX
  • Sample-and-Hold Circuits
  • Test Equipment
DataSheet
titleDownload file
MAX301-MAX305 Data SheetMAX301-MAX305.pdf
Parametrics
Part NumberFunctionsConfig.ChannelsNormal PositionVSUPPLY (Single)
(V)
VSUPPLY (Single)
(V)
VSUPPLY (Dual)
(±V)
VSUPPLY (Dual)
(±V)
RON
(Ω)
IL(OFF)
(nA)
tON
(ns)
tOFF
(ns)
QINJECTION
(pC)
CON
(pF)
COFF
(pF)
Package/PinsBudgetary
Price
minmaxminmaxmaxmaxminmaxSee Notes
MAX301SwitchSPST2Open10304.520350.25150100153912CDIP(N)/16
PDIP(N)/16
SOIC(N)/16
$2.58 @1k
MAX303SPDTOpen/ClosedCDIP(N)/16
LCC/20
PDIP(N)/16
SOIC(N)/16
$5.32 @1k
MAX305DPSTOpenCDIP(N)/16
PDIP(N)/16
SOIC(N)/16
$9.17 @1k
Ordering Information
Part NumberStatusRecommended ReplacementPackageTempRoHS
MAX305C/DNo Longer AvailableDICE SALES,;NA pin;DICE;0°C to +70°CSee data sheet
MAX305CPENo Longer AvailableMAX305CPE+PDIP(N),;16 pin;158.4 mm²0°C to +70°CNo
MAX305CPE+ActivePDIP(N),;16 pin;158.4 mm²0°C to +70°CLead Free
MAX305CSENo Longer AvailableMAX305CSE+SOIC(N),;16 pin;62 mm²0°C to +70°CNo
MAX305CSE+ActiveSOIC(N),;16 pin;62 mm²0°C to +70°CLead Free
MAX305CSE+TActiveSOIC(N),;16 pin;62 mm²0°C to +70°CLead Free
MAX305CSE-TNo Longer AvailableMAX305CSE+TN.SO;16 pin0°C to +70°CSee data sheet
MAX305EJENo Longer AvailableSee data sheet
MAX305EPENo Longer AvailablePDIP(N),;16 pin;158.4 mm²-40°C to +85°CNo
MAX305ESELast Time BuySOIC(N),;16 pin;62 mm²-40°C to +85°CNo
Part NumberStatusRecommended ReplacementPackageTempRoHS
MAX305ESE+ActiveSOIC(N),;16 pin;62 mm²-40°C to +85°CLead Free
MAX305ESE+TActiveSOIC(N),;16 pin;62 mm²-40°C to +85°CLead Free
MAX305ESE-TNo Longer AvailableMAX305ESE+TN.SO;16 pin-40°C to +85°CSee data sheet
MAX305MJENo Longer AvailableCDIP(N),;16 pin;173.5 mm²-55°C to +125°CNo
MAX305MLPNo Longer AvailableSee data sheet
MAX301-MAX305.pdf MAX305
MAX301-MAX305.pdf MAX305