LF11508 Datasheet PDF | National Semiconductor

National Semiconductor LF11508

The LF11508/LF12508/LF13508 is an 8-channel analog multiplexer which connects the output to 1 of the 8 analog inputs depending on the state of a 3-bit binary address. The device has all the features of the LF1 1508 series and should be used whenever differential analog inputs are required. This device is fabricated with National's BI-FET technology which provides ion-implanted JFETs for the analog switch on the same chip as the bipolar decode and switch drive circuitry.

Part No.	LF11508
Datasheet	LF11508 Download
Manufacturer	National Semiconductor
Description	8-Channel Analog Multiplexer
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GENERAL DESCRIPTION

An enable control allows disconnecting the output, thereby providing a package select function. connect a pair of independent analog inputs to one of any 4 pairs of independent analog outputs. This technology makes possible low constant "ON" resistance with analog input voltage variations. This device does not suffer from latch-up problems or static charge blow-out problems associated with similar CMOS parts. The digital inputs are designed to operate from both TTL and CMOS levels while always providing a definite break-before-make action. The LF11509/LF12509/LF13509 is a 4-channel dif- A ferential analog multiplexer. 2-bit binary address will

FEATURES

JFET switches rather than CMOS No static discharge blow-out problem No SCR latch-up problems Analog signal range 1 1V, —15V Constant "ON" resistance for analog signals between -11V and 11V "ON" resistance 380 12 typ Digital inputs compatible with TTL and CMOS Output enable control Break-before-make action: tOFF = 0-2 Ms; tQN = 2 /is typ Functional Diagrams and Truth Tables LF11508/LF12508/LF13508 EN M?