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MAX354, MAX355 Fault-Protected Analog Multiplexers


source: | post time:2010-01-10

Status
Active: In Production.

Description
FULL DATA SHEET (PDF, 144kB)
Download this datasheet in PDF formatDownload   Send this datasheet to any email addressE-Mail
The MAX354/MAX355 fault-protected multiplexers (muxes) use a series N-channel, P-channel, N-channel structure that protects the devices from overvoltage up to 40V beyond the supply rails during power-up, power-down, and fault conditions. The MAX354/MAX355 also protect sensitive circuit components against voltages near or beyond the normal supplies.

The MAX354 single 8-channel mux and the MAX355 dual 4-channel mux protect analog signals while operating from a single 4.5V to 36V supply or ±4.5V to ±18V dual supplies. These muxes have 350Ω on-resistance and can be used for demultiplexing as well as multiplexing. Input leakage current is less than 0.5nA at +25°C and less than 5nA at +85°C.

All digital inputs have 0.8V and 2.4V logic thresholds, ensuring both TTL and CMOS logic compatibility without pull-up resistors. Break-before-make operation is guaranteed and power consumption is less than 1.5mW.

Key Features   Applications/Uses
  • 350Ω Max On-Resistance
  • Improved 2nd Source for MAX358/MAX359 and DG458/DG459
  • Pin Compatible with ADG508F/ADG509F
  • All Switches Off with Supplies Off
  • On Switch Turns Off with Overvoltage
  • Output Clamps at 1.5V Below Supply Rails
  • 0.5nA Max Input Leakage at +25°C (5nA at +85°C)
  • No Power-Up Sequencing Required
  • TTL and CMOS-Logic Compatibility
 

 

Key Specifications:  Switches and Multiplexers (Mid Voltage)
Part Number Functions Config. Channels VSUPPLY (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)
Price
min max min max max max min max max max See Notes
MAX354  Mux 8:1 1 4.5 36 4.5 18 350 0.5 250 200 80 28 1.6 $2.45 @1k
MAX355  4:1 2 14 $2.45 @1k
See All Switches and Multiplexers (Mid Voltage) (297)

Diagram
MAX354, MAX355: Pin Configuration
Pin Configuration

source:ShenZhen henlito electronic co.,ltd.

web:www.henlito.com


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