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5962-7802004MEA-AM26LS33AMFKB-AM26LS33AMJ-AM26LS33AMJB
Quadruple Differential Line Receiver
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AM26LS32AC, AM26LS32AI, AM26LS32AM
AM26LS33AC, AM26LS33AMSLLS115F –OCTOBER 1980–REVISED SEPTEMBER 2016
AM26LS32Ax, AM26LS33Ax Quadruple Differential Line Receivers Features AM26LS32A Devices Meetor Exceed the
Requirementsof ANSI TIA/EIA-422-B, TIA/EIA-
423-B, and ITU Recommendations V.10 and V.11 AM26LS32A Devices Have ±7-V Common-Mode
Range With ±200-mV Sensitivity AM26LS33A Devices Have ±15-V Common-Mode
Range With ±500-mV Sensitivity Input Hysteresis 50 mV Typical Operate Froma Single 5-V Supply Low-Power Schottky Circuitry 3-State Outputs Complementary Output-Enable Inputs Input Impedance12 kΩ Minimum Open Input Fail-Safe
Applications High-Reliability Automotive Applications Factory Automation ATM and Cash Counters Smart Grids AC and Servo Motor Drives
DescriptionThe AM26LS32Ax and AM26LS33Ax devices are
quadruple differential line receivers for balanced and
unbalanced digital data transmission. The enable
functionis commontoall four receivers and offersa
choiceof active-highor active-low input. The 3-state
outputs permit connection directlytoa bus-organized
system. Fail-safe design ensures that,if the inputs
are open, the outputs always are high.
Comparedto the AM26LS32 and the AM26LS33, the
AM26LS32A and AM26LS33A incorporate an
additional stageof amplificationto improve sensitivity.
The input impedance has been increased, resultingin
less loadingof the bus line. The additional stage has
increased propagation delay; however, this does not
affect interchangeabilityin most applications.
The AM26LS32AC and AM26LS33AC are
characterized for operation from 0°Cto 70°C. The
AM26LS32AI is characterized for operation from
–40°C to 85°C. The AM26LS32AM and
AM26LS33AM are characterized for operation over
the full military temperature rangeof –55°Cto 125°C.
Device Information(1)(1) Forall available packages, see the orderable addendumat
the endofthe data sheet.
Logic Diagram (Positive Logic)
