Texas Instruments AM26LV32EIPWR

Overview

AM26LV32EIPWR from Texas Instruments is a low-voltage, high-speed quadruple differential line receiver compliant with TIA/EIA-422-B and ITU V.11 standards. It operates from a single 3.3-V supply, supports up to 32-MHz switching rates, delivers ±7-V common-mode input range with ±200-mV sensitivity, and integrates ±15-kV IEC ESD protection on bus pins-enabling robust RS-422 communication in industrial motor drives and smart grid infrastructure.

For engineers reviewing the AM26LV32EIPWR datasheet, AM26LV32EIPWR pinout, AM26LV32EIPWR application, or AM26LV32EIPWR equivalent, key selection criteria include fail-safe open-circuit output behavior, 3-state enable control via dual G/G̅ inputs, I_off support for partial-power-down mode, and compatibility with 5-V logic inputs while powered at 3.3 V.

Technical Context

The AM26LV32EIPWR implements four independent RS-422 receivers with active-high and active-low enable inputs (G and G̅), enabling per-channel output control and bus-organized system integration. Its internal fail-safe circuitry forces high-level outputs during open-circuit conditions, eliminating indeterminate states.

It uses differential input thresholds of ±0.2 V with 35-mV hysteresis to reject noise in electrically noisy environments, and its 3.3-V operation enables direct interfacing with modern low-voltage MCUs without level-shifting-while maintaining full compatibility with legacy 5-V logic enable signals.

Key Specifications

Pinout & Package

TSSOP-16 package (5 mm × 6.4 mm), lead-free, RoHS-compliant, moisture sensitivity level 1, rated for –40°C to +85°C operation.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar differential line receiver applications.

Compared with SN65LVDS32DR, AM26LV32EIPWR provides true RS-422 compliance, fail-safe operation, and bus robustness essential for industrial field networks; compared with AM26LV32EIDR, it offers 35% smaller PCB area and improved high-frequency layout control via TSSOP's shorter lead inductance-critical for 32-MHz signal integrity.

Availability

AM26LV32EIPWR is available at Aetrix Electronics and suitable for industrial motor drives, smart grid metering, ATM transaction systems, and automotive configuration control requiring stable component supply across extended product lifecycles.

Supply support for AM26LV32EIPWR includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

Texas Instruments is a global semiconductor leader delivering analog, embedded processing, and connectivity solutions for industrial, automotive, and communications markets.

The AM26LV32E product line delivers low-voltage, high-speed RS-422 receivers optimized for noise-immune, long-distance digital communication in harsh electromagnetic environments-targeting motor control, energy infrastructure, and automated transaction systems.

FAQ

What is the maximum data rate supported by the AM26LV32EIPWR?

The AM26LV32EIPWR supports a maximum operating frequency of 32 MHz, as confirmed in Section 6.6 of the official datasheet. This corresponds to a minimum pulse width of ~31 ns and enables reliable reception of high-speed RS-422 signals in applications such as servo motor feedback loops and high-throughput ATM command channels. The AM26LV32EIPWR achieves this with propagation delays ranging from 8 ns to 26 ns under recommended operating conditions.

Does the AM26LV32EIPWR require external termination resistors?

The AM26LV32EIPWR itself does not integrate termination resistors; external 120-Ω termination is required at the far end of the RS-422 bus for optimal signal integrity, especially at speeds above 1 Mbps or cable lengths exceeding 10 meters. Section 9.1 of the datasheet specifies that proper termination minimizes reflections and ensures clean edge transitions. The AM26LV32EIPWR's ±7-V common-mode range and ±200-mV sensitivity remain fully effective with correctly terminated lines.

Can the AM26LV32EIPWR interface directly with 5-V logic devices?

Yes-the enable inputs (G and G̅) of the AM26LV32EIPWR accept 0–5.5 V logic levels while operating from a 3.3-V supply, as specified in Section 6.3 (Recommended Operating Conditions). This allows direct connection to 5-V microcontrollers or FPGAs without level-shifting circuitry. However, the differential A/B inputs and Y outputs are strictly 3.3-V referenced and must interface with other 3.3-V RS-422 transmitters and receivers.

What is the purpose of the dual enable inputs (G and G̅) on the AM26LV32EIPWR?

The AM26LV32EIPWR features both active-high (G) and active-low (G̅) enable inputs to provide flexible logic-level compatibility with diverse host controllers. When G is high (or G̅ is low), all four receivers are enabled; both inputs must be driven to avoid indeterminate states. This dual-input design simplifies interface design in systems using mixed-voltage or inverted-control signaling, and is explicitly documented in Table 8-1 and Section 8.4 of the AM26LV32EIPWR datasheet.

Is the AM26LV32EIPWR suitable for automotive applications?

Yes-the AM26LV32EIPWR is qualified for operation from –40°C to +85°C and is listed in TI's documentation for high-reliability automotive applications including configuration control and diagnostics. Its ±15-kV IEC ESD protection, fail-safe open-circuit behavior, and robust common-mode rejection make it suitable for in-vehicle communication subsystems. However, it is not AEC-Q100 qualified; for ASIL-compliant designs, additional system-level validation is required.