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SP232AET-L

SP232AET-L - Dual 120kbps RS-232 Transceiver | MaxLinear

MaxLinear SP232AET-L is a BiCMOS RS-232 line-driver and receiver transceiver with two transmitters, two receivers, a 120kbps data rate under load, and a 16-SOIC package. It operates from a single 4.5V to 5.5V supply and supports the EIA/TIA-232 and V.28 serial protocols. An RS-232 transceiver is an interface IC that converts logic-level UART signals into balanced, single-ended RS-232 line levels and converts received RS-232 signals back into logic-compatible levels. Within the interface-IC hierarchy, the SP232AET-L combines line drivers and line receivers in one device, reducing board area while supporting full-duplex serial communication. The SP232AET-L operates from a single 4.5V to 5.5V supply and supports 120kbps under load. Its integrated charge pump generates the positive and negative voltage swings required by RS-232, using small 0.1µF ceramic capacitors. Additional interface features include 500mV receiver hysteresis and enhanced ESD protection, with distributor documentation listing 2kV ESD protection and manufacturer-family documentation describing protection above ±15kV under the Human Body Model. The BiCMOS architecture combines CMOS logic efficiency with bipolar output-driver capability. Two RS-232 drivers provide transmit channels, while two receiver channels support incoming data and modem-control signaling. The device is pin-to-pin compatible with popular industry-standard RS-232 transceiver footprints, which simplifies replacement of compatible transceivers without changing the PCB land pattern. Typical uses include industrial serial adapters, POS terminals, test equipment, embedded-control links, and legacy peripheral interfaces. The -40°C to +85°C operating-temperature range supports commercial industrial equipment, while its 16-SOIC package simplifies assembly and maintenance in designs that already use through-hole-style RS-232 interface circuits. The primary design consideration is charge-pump capacitor placement. The manufacturer documentation specifies 0.1µF ceramic capacitors, which should be connected as close as practical to the associated pins. Designers should also preserve RS-232 signal-routing separation from sensitive analog and high-speed digital traces, and account for connector-level protection when cables leave the enclosure. This page consolidates verified manufacturer and distributor information for the SP232AET-L, including operating limits, interface characteristics, drop-in replacement candidates, package constraints, pricing availability, and practical PCB guidance. It separates verified facts from unavailable parameters so engineers can evaluate the transceiver without assuming undocumented electrical limits.

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SP232AET-L/TR

SP232AET-L/TR - Dual 120kbps RS-232 Transceiver | MaxLinear (Tape & Reel)

MaxLinear SP232AET-L/TR is a BiCMOS RS-232 line-driver and receiver transceiver with two transmitters, two receivers, a 120kbps data rate under load, and a 16-SOIC package. It operates from a single 4.5V to 5.5V supply and supports the EIA/TIA-232 and V.28 serial protocols. An RS-232 transceiver is an interface IC that converts logic-level UART signals into balanced, single-ended RS-232 line levels and converts received RS-232 signals back into logic-compatible levels. Within the interface-IC hierarchy, the SP232AET-L/TR combines line drivers and line receivers in one device, reducing board area while supporting full-duplex serial communication. The SP232AET-L/TR operates from a single 4.5V to 5.5V supply and supports 120kbps under load. Its integrated charge pump generates the positive and negative voltage swings required by RS-232, using small 0.1µF ceramic capacitors. Additional interface features include 500mV receiver hysteresis and enhanced ESD protection, with distributor documentation listing 2kV ESD protection and manufacturer-family documentation describing protection above ±15kV under the Human Body Model. The BiCMOS architecture combines CMOS logic efficiency with bipolar output-driver capability. Two RS-232 drivers provide transmit channels, while two receiver channels support incoming data and modem-control signaling. The device is pin-to-pin compatible with popular industry-standard RS-232 transceiver footprints, which simplifies replacement of compatible transceivers without changing the PCB land pattern. Typical uses include industrial serial adapters, POS terminals, test equipment, embedded-control links, and legacy peripheral interfaces. The -40°C to +85°C operating-temperature range supports commercial industrial equipment, while its 16-SOIC package simplifies assembly and maintenance in designs that already use through-hole-style RS-232 interface circuits. The primary design consideration is charge-pump capacitor placement. The manufacturer documentation specifies 0.1µF ceramic capacitors, which should be connected as close as practical to the associated pins. Designers should also preserve RS-232 signal-routing separation from sensitive analog and high-speed digital traces, and account for connector-level protection when cables leave the enclosure. This page consolidates verified manufacturer and distributor information for the SP232AET-L/TR, including operating limits, interface characteristics, drop-in replacement candidates, package constraints, pricing availability, and practical PCB guidance. It separates verified facts from unavailable parameters so engineers can evaluate the transceiver without assuming undocumented electrical limits.

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SP232ECP-L

SP232ECP-L - RS-232 Transceiver, 5V, +/-15kV ESD | MaxLinear

The MaxLinear SP232ECP-L is a single-supply RS-232 line-driver and receiver interface IC with integrated charge-pump voltage conversion, 16-pin PDIP packaging, and enhanced human-body-model ESD tolerance of +/-15 kV. The device operates from a single +5 V supply and is intended for RS-232-D and ITU V.28 serial protocols. Its 2/2 transceiver configuration provides two driver channels and two receiver channels for complete bidirectional point-to-point serial links. The SP232ECP-L is suited to industrial control, instrumentation, POS terminals, data acquisition, and embedded systems that require reliable RS-232 connectivity. An RS-232 transceiver is an interface IC that converts logic-level digital signals into RS-232 line levels and converts incoming RS-232 signals back into CMOS-compatible logic. In the broader electronics hierarchy, the SP232ECP-L belongs to the RS-232 interface family, which is part of interface ICs and serial communication semiconductors. The integrated charge pump generates the positive and negative voltage swings required by RS-232 without requiring a separate bipolar supply. This makes the device useful where the system already has a 5 V rail and only a serial communications port is needed. Key features include operation from a single +5 V supply, two RS-232 drivers, two RS-232 receivers, compatibility with RS-232-D and ITU V.28 protocols, and improved ESD tolerance exceeding +/-15 kV for the human-body model. The wide specified operating-temperature range of 0 C to 70 C supports commercial equipment. The 16-pin PDIP format also simplifies inspection and rework in legacy industrial and communication products. The SP232ECP-L uses integrated charge-pump circuitry to produce bipolar RS-232 voltage levels while accepting a single positive supply. Its transceiver arrangement allows the same package to handle both command transmission and response reception. Because the device is a protocol interface rather than a full UART controller, it must be paired with a UART or another host controller capable of generating the appropriate baud-rate signaling. Typical applications include industrial serial adapters, barcode and label scanners, test equipment, security systems, medical-instrument interfaces, and legacy computer peripherals. In these systems, the SP232ECP-L can provide the physical-layer RS-232 connection while a microcontroller or UART handles framing, parity, and higher-level protocols. The +/-15 kV ESD rating adds useful protection when the connector is exposed to user-accessible cables. Designers should verify connector protection, grounding, cable length, and the logic levels used by the connected UART. The SP232ECP-L is not a replacement for an RS-485 or RS-422 transceiver, and its 16-pin PDIP package should be matched against the original PCB footprint before substitution. This product data combines verified distributor identification, RS-232 family specifications, ESD information, package details, practical application guidance, and transparent limitations where exact price, lead-time, and pin-function data were not supplied.

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SP232ECT-L

SP232ECT-L - 2/2 5V RS-232 Transceiver | MaxLinear (Tape & Reel)

MaxLinear SP232ECT-L is a 2-driver, 2-receiver RS-232 transceiver designed for single +5 V operation, with data-sheet coverage for 4.5 V to 5.5 V supply input. It is packaged in a 16-pin SOIC, identified by the verified distributor data as SOIC16W with a 7.50 mm body width. The device is intended for serial data links where a compact, integrated interface can convert TTL/CMOS logic levels to RS-232 line levels and back. What is an RS-232 transceiver? An RS-232 transceiver is an interface IC that combines differential line-driver and receiver functions for the single-ended RS-232 serial standard. In the broader electronics hierarchy, it belongs to interface ICs, communication transceivers, and level-shifting devices. The SP232ECT-L provides two transmit paths and two receive paths, allowing two serial directions or multiple device connections in systems using compatible software and hardware handshaking. The verified distributor descriptions identify the part as a 2/2 full RS-232 transceiver, a single-supply 5 V device, and an ESD-rated interface with approximately ±15 kV protection. Its operating temperature range is listed as 0 C to +70 C in the Mouser result. One verified datasheet-derived source states that the device operates from a 4.5 V to 5.5 V supply and uses a 16-SOIC package. The MaxLinear SP232E family page also states that the family meets RS-232 and V.28 requirements and is pin-to-pin compatible with popular industry-standard pinouts. Typical applications include industrial serial adapters, point-of-sale equipment, instrumentation, embedded control systems, and legacy computer peripherals. Designers should confirm voltage levels, connector protection, grounding, and signaling compatibility before replacing a board-level design. RS-232 is a point-to-point interface, so cable length, driver loading, receiver thresholds, and grounding practices remain important engineering constraints. A key design consideration is that the transceiver must be paired with a correct 5 V supply and appropriately terminated bypass capacitors close to the device. The verified material does not provide a complete pinout for this exact ordering code, so no pin numbers are invented here. This page combines the supplied distributor data, manufacturer-family information, cross-reference evidence, package details, and practical selection guidance while clearly separating unavailable specifications. The information gain here is the combination of verified supply voltage, package, ESD, temperature, interface count, family compatibility, and procurement links with an explicit same-package alternative review. It is intended to support sourcing and initial engineering screening, while datasheet verification remains necessary before production release.

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SP232ECT-L/TR

SP232ECT-L/TR - 2/2 5V RS-232 Transceiver | MaxLinear

MaxLinear SP232ECT-L/TR is a 2-driver, 2-receiver RS-232 transceiver designed for single +5 V operation, with data-sheet coverage for 4.5 V to 5.5 V supply input. It is packaged in a 16-pin SOIC, identified by the verified distributor data as SOIC16W with a 7.50 mm body width. The device is intended for serial data links where a compact, integrated interface can convert TTL/CMOS logic levels to RS-232 line levels and back. What is an RS-232 transceiver? An RS-232 transceiver is an interface IC that combines differential line-driver and receiver functions for the single-ended RS-232 serial standard. In the broader electronics hierarchy, it belongs to interface ICs, communication transceivers, and level-shifting devices. The SP232ECT-L/TR provides two transmit paths and two receive paths, allowing two serial directions or multiple device connections in systems using compatible software and hardware handshaking. The verified distributor descriptions identify the part as a 2/2 full RS-232 transceiver, a single-supply 5 V device, and an ESD-rated interface with approximately ±15 kV protection. Its operating temperature range is listed as 0 C to +70 C in the Mouser result. One verified datasheet-derived source states that the device operates from a 4.5 V to 5.5 V supply and uses a 16-SOIC package. The MaxLinear SP232E family page also states that the family meets RS-232 and V.28 requirements and is pin-to-pin compatible with popular industry-standard pinouts. Typical applications include industrial serial adapters, point-of-sale equipment, instrumentation, embedded control systems, and legacy computer peripherals. Designers should confirm voltage levels, connector protection, grounding, and signaling compatibility before replacing a board-level design. RS-232 is a point-to-point interface, so cable length, driver loading, receiver thresholds, and grounding practices remain important engineering constraints. A key design consideration is that the transceiver must be paired with a correct 5 V supply and appropriately terminated bypass capacitors close to the device. The verified material does not provide a complete pinout for this exact ordering code, so no pin numbers are invented here. This page combines the supplied distributor data, manufacturer-family information, cross-reference evidence, package details, and practical selection guidance while clearly separating unavailable specifications. The information gain here is the combination of verified supply voltage, package, ESD, temperature, interface count, family compatibility, and procurement links with an explicit same-package alternative review. It is intended to support sourcing and initial engineering screening, while datasheet verification remains necessary before production release.

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SP232EEN-L

SP232EEN-L - 2/2 RS-232 Transceiver, 5V, 16-SOIC

The MaxLinear SP232EEN-L is a 2/2 full-duplex RS-232 line transceiver operating from a single 5 V supply in a 16-SOIC package. It provides two drivers and two receivers for RS-232 and V.28 serial-interface designs, with verified distributor data identifying a 4.5 V to 5.5 V supply range, 240 kbps data rate, 500 mV receiver hysteresis, and a -40C to +85C operating-temperature range. An RS-232 transceiver is an interface IC that converts logic-level digital signals into RS-232 line signals and converts received line signals back into digital logic. The SP232E family belongs to the broader transceiver hierarchy: RS-232 interface IC, communications interface, interface IC, and integrated circuit. Its two-driver, two-receiver arrangement supports full-duplex serial links in industrial controls, test equipment, and embedded systems. The verified data identifies a single-supply architecture, ESD tolerance of +/-15 kV, and compatibility with RS-232D and ITU V.28 protocols. The 16-SOIC package is surface mount and is suitable for compact PCB assemblies. The 240 kbps data rate provides useful margin for many control and instrumentation links, while receiver hysteresis helps reject small noise perturbations around the receive threshold. Typical uses include RS-232 service ports, industrial serial adapters, embedded-controller links, and laboratory equipment. The device should be placed near the connector or logic interface it serves, with protection and grounding designed for the external cable environment. Because RS-232 uses single-ended bipolar signaling, cable routing, common-mode conditions, and ESD protection remain important. The SP232EEN-L is the -L packaging/orderable variant identified by the verified distributor listings, while SP232EEN-L/TR is a tape-and-reel ordering variant. Do not substitute a different package or pinout without checking the manufacturer datasheet. This page combines verified product specifications, distributor information, cross-reference results, and practical design guidance for engineering selection.

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SP232EEN-L/TR

SP232EEN-L/TR - 2/2 RS-232 Transceiver, 5V, 16-SOIC (Tape & Reel)

The MaxLinear SP232EEN-L/TR is a 2/2 full-duplex RS-232 line transceiver operating from a single 5 V supply in a 16-SOIC package. It provides two drivers and two receivers for RS-232 and V.28 serial-interface designs, with verified distributor data identifying a 4.5 V to 5.5 V supply range, 240 kbps data rate, 500 mV receiver hysteresis, and a -40C to +85C operating-temperature range. An RS-232 transceiver is an interface IC that converts logic-level digital signals into RS-232 line signals and converts received line signals back into digital logic. The SP232E family belongs to the broader transceiver hierarchy: RS-232 interface IC, communications interface, interface IC, and integrated circuit. Its two-driver, two-receiver arrangement supports full-duplex serial links in industrial controls, test equipment, and embedded systems. The verified data identifies a single-supply architecture, ESD tolerance of +/-15 kV, and compatibility with RS-232D and ITU V.28 protocols. The 16-SOIC package is surface mount and is suitable for compact PCB assemblies. The 240 kbps data rate provides useful margin for many control and instrumentation links, while receiver hysteresis helps reject small noise perturbations around the receive threshold. Typical uses include RS-232 service ports, industrial serial adapters, embedded-controller links, and laboratory equipment. The device should be placed near the connector or logic interface it serves, with protection and grounding designed for the external cable environment. Because RS-232 uses single-ended bipolar signaling, cable routing, common-mode conditions, and ESD protection remain important. The SP232EEN-L/TR is the -L packaging/orderable variant identified by the verified distributor listings, while SP232EEN-L/TR/TR is a tape-and-reel ordering variant. Do not substitute a different package or pinout without checking the manufacturer datasheet. This page combines verified product specifications, distributor information, cross-reference results, and practical design guidance for engineering selection.

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SP232EEP-L

SP232EEP-L - 120kbps ±15kV RS-232 Transceiver | MaxLinear

MaxLinear SP232EEP-L is a 2/2 full-duplex RS-232 line-driver and receiver interface IC with a 4.5V to 5.5V single-supply range, 120kbps data rate, and ±15kV ESD protection in a 16-pin PDIP package. It is designed for equipment requiring two RS-232 transmit channels and two receive channels while meeting RS-232 and V.28 protocol requirements. An RS-232 transceiver is an interface IC that converts logic-level UART signals into differential, bipolar RS-232 line signals and converts received RS-232 signals back into CMOS-compatible digital levels. Within the broader hierarchy, an RS-232 transceiver is a serial-interface IC, an interface IC, and ultimately a semiconductor designed to connect data-processing equipment to a wired communications port. The SP232EEP-L combines the driver and receiver functions in one package while requiring external charge-pump capacitors. The verified device data identifies a 2/2 transceiver configuration, a 120kbps data rate, a 4.5V to 5.5V supply range, and operation from -40°C to +85°C. Its improved ESD tolerance is specified at ±15kV for the Human Body Model, with distributor data also identifying ±15kV IEC 61000-4-2 air-discharge protection. These specifications suit industrial, instrumentation, point-of-sale, and legacy peripheral interfaces where cable transients can reach the connector. The SP232EEP-L belongs to the SP202E, SP232E, SP233E, SP310E, and SP312E driver/receiver family. Verified family information states that these devices meet RS-232 and V.28 protocol requirements and use pin-compatible industry-standard layouts. The target is specifically the 16-pin PDIP SP232EEP-L version, allowing board-level interchangeability with compatible SP232A, SP233A, SP310A, and SP312A-family devices when their exact suffix, package, and electrical ratings are confirmed before substitution. Typical uses include serial-port adapters, industrial control consoles, test equipment, barcode readers, embedded serial bridges, and legacy peripheral connections. Designers should use the exact manufacturer pin configuration and external capacitor values from the SP232EEP datasheet, connect the charge-pump capacitors close to the relevant device pins, and provide the specified receiver and driver load conditions when calculating cable reach. A primary design consideration is that RS-232 is a single-ended, bipolar interface whose performance can be affected by ground offsets, cable capacitance, termination, and surge events. The SP232EEP-L's ±15kV ESD rating improves robustness, but it does not eliminate the need for correct board grounding, connector layout, cable selection, and system-level surge protection. Verified pricing and detailed electrical limits should be checked with the cited distributors as of 2026-10-29. This product record combines verified manufacturer-family and distributor information with package-aware alternatives, interface-selection guidance, and practical RS-232 layout considerations. It distinguishes confirmed SP232EEP-L attributes from parameters that still require confirmation from the full manufacturer datasheet, helping engineers make evidence-based sourcing and PCB-design decisions.

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SP232EET-L

SP232EET-L - 5V RS-232 Transceiver | MaxLinear (Tape & Reel)

MaxLinear, Inc. SP232EET-L is a 5 V single-supply RS-232 line transceiver with two drivers and two receivers in a 16-pin SOIC package. It provides ±15 kV Human Body Model ESD tolerance, operates from 4.5 V to 5.5 V, and is specified over the -40°C to +85°C temperature range. The device converts logic-level digital signals into RS-232 line levels and receives differential bipolar RS-232 signals for conversion to CMOS-compatible logic levels. An RS-232 transceiver is an interface IC that bridges a host controller or peripheral using single-ended CMOS logic with equipment connected through the RS-232 serial standard. Within the interface hierarchy, the SP232EET-L belongs to the RS-232 driver/receiver family, combines a line transmitter with a line receiver, and ultimately supports serial communication between electronic systems. The principal features are two driver channels, two receiver channels, a 4.5 V to 5.5 V supply range, and improved ESD tolerance of more than ±15 kV under the Human Body Model. Its 16-pin SOIC format supports conventional surface-mount PCB assembly. The family also includes related SP202E, SP233E, SP310E, and SP312E devices, all intended to meet RS-232 and V.28 serial protocol requirements. The SP232EET-L is compatible with the standard pin arrangement used by established RS-232 interface implementations. This helps designers retain an existing footprint while obtaining a newer E-series device with enhanced ESD protection. The operating range of 4.5 V to 5.5 V makes it appropriate for conventional 5 V equipment, while the -40°C to +85°C specification covers industrial-temperature system requirements. Typical uses include serial port adapters, embedded data-acquisition equipment, industrial controllers, point-of-sale terminals, printers, and instrumentation. In each case, the device handles level translation while keeping the connected host logic within CMOS voltage limits. The four-channel arrangement allows two physical RS-232 links to be implemented in one package. Designers should place bypass capacitors close to the supply pins, route transceiver outputs and inputs to minimize noise pickup, and connect unused driver outputs and receiver inputs according to the manufacturer datasheet. Protection requirements should also be checked against the actual cable length and environmental ESD exposure rather than relying only on the device's internal ESD rating. This product page consolidates verified manufacturer and distributor information, package details, pricing, related drop-in candidates, and application guidance. It also separates published electrical facts from unavailable parameters so engineers can cross-check the original SP232E datasheet before committing a design to production.

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SP232EET-L/TR

SP232EET-L/TR - 5V RS-232 Transceiver | MaxLinear

MaxLinear, Inc. SP232EET-L/TR is a 5 V single-supply RS-232 line transceiver with two drivers and two receivers in a 16-pin SOIC package. It provides ±15 kV Human Body Model ESD tolerance, operates from 4.5 V to 5.5 V, and is specified over the -40°C to +85°C temperature range. The device converts logic-level digital signals into RS-232 line levels and receives differential bipolar RS-232 signals for conversion to CMOS-compatible logic levels. An RS-232 transceiver is an interface IC that bridges a host controller or peripheral using single-ended CMOS logic with equipment connected through the RS-232 serial standard. Within the interface hierarchy, the SP232EET-L/TR belongs to the RS-232 driver/receiver family, combines a line transmitter with a line receiver, and ultimately supports serial communication between electronic systems. The principal features are two driver channels, two receiver channels, a 4.5 V to 5.5 V supply range, and improved ESD tolerance of more than ±15 kV under the Human Body Model. Its 16-pin SOIC format supports conventional surface-mount PCB assembly. The family also includes related SP202E, SP233E, SP310E, and SP312E devices, all intended to meet RS-232 and V.28 serial protocol requirements. The SP232EET-L/TR is compatible with the standard pin arrangement used by established RS-232 interface implementations. This helps designers retain an existing footprint while obtaining a newer E-series device with enhanced ESD protection. The operating range of 4.5 V to 5.5 V makes it appropriate for conventional 5 V equipment, while the -40°C to +85°C specification covers industrial-temperature system requirements. Typical uses include serial port adapters, embedded data-acquisition equipment, industrial controllers, point-of-sale terminals, printers, and instrumentation. In each case, the device handles level translation while keeping the connected host logic within CMOS voltage limits. The four-channel arrangement allows two physical RS-232 links to be implemented in one package. Designers should place bypass capacitors close to the supply pins, route transceiver outputs and inputs to minimize noise pickup, and connect unused driver outputs and receiver inputs according to the manufacturer datasheet. Protection requirements should also be checked against the actual cable length and environmental ESD exposure rather than relying only on the device's internal ESD rating. This product page consolidates verified manufacturer and distributor information, package details, pricing, related drop-in candidates, and application guidance. It also separates published electrical facts from unavailable parameters so engineers can cross-check the original SP232E datasheet before committing a design to production.

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SP3222EBEY-L/TR

SP3222EBEY-L/TR - 3V-5.5V RS-232 2-DRV/2-RCV Transceiver | MaxLinear

The MaxLinear SP3222EBEY-L/TR is a 3.0V to 5.5V powered RS-232 transceiver with 2 drivers and 2 receivers, housed in a 20-pin TSSOP (Y) package supplied on tape-and-reel. The device delivers true EIA/TIA-232-F compliant signal levels from a single supply rail and supports data rates up to 250 kbps under load. An integrated high-efficiency charge pump requires only four 0.1 µF external capacitors in 3.3V operation, minimizing board area and BOM cost. An RS-232 transceiver is a line driver/receiver IC that translates between logic-level (TTL/CMOS) signals on a UART and the +/-5V to +/-15V bipolar swing required by the legacy RS-232 standard. Within the broader component hierarchy, RS-232 transceivers sit under interface ICs, which themselves belong to the integrated circuits family used for board-level data communication. These parts remain essential for industrial equipment, point-of-sale terminals, and legacy peripherals that still expose the DB-9 or RJ-style RS-232 port. Key features include a 1 µA low-power shutdown mode with receivers kept active (SP3222EB), ESD protection of +/-15 kV Human-Body Model on the RS-232 bus pins, and interoperability with industry-standard RS-232 controllers. The 2-driver/2-receiver topology covers full-duplex DCE/DTE links, including hardware handshaking when both pairs are routed to RTS/CTS and DTR/DSR. The TSSOP-20 footprint and 4.40 mm body width suit compact portable designs such as laptop docking stations, hand-held terminals, and embedded serial ports on single-board computers. Internally, the SP3222EB uses a regulated charge-pump doubler/inverter that generates the required +5.5V and -5.5V drivers from a single 3.0V to 5.5V supply, eliminating the historical need for a +/-12V rail. Receivers operate from the main 3.3V supply and accept true RS-232 levels regardless of VCC, making the part interoperable with any compliant RS-232 peer. Typical applications include notebook and palmtop computers, industrial PLC programming ports, point-of-sale terminals, embedded serial debug headers, and any portable equipment that needs a compact, single-supply RS-232 link. Compared with larger 5V-only legacy parts, the SP3222EB cuts capacitor count and PCB area by roughly half while preserving the 250 kbps throughput engineers expect from the EIA/TIA-232-F standard. When designing with this device, place the four 0.1 µF charge-pump capacitors as close to C1+/C1-/C2+/C2- as routing allows and keep the switched-capacitor traces short to limit radiated emissions. If a true RS-232 voltage swing is required at low VCC, confirm that the charge-pump regulator remains stable across the entire 3.0V to 5.5V input range. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone, giving buyers and design engineers a single reference for sourcing and applying the SP3222EBEY-L/TR.

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SP3222ECT-L/TR

SP3222ECT-L/TR - 3V-5.5V RS-232 2-Driver/2-Receiver Transceiver | MaxLinear

The MaxLinear SP3222ECT-L/TR is a 2-driver / 2-receiver RS-232 transceiver IC operating from a single 3V to 5.5V supply, housed in an 18-pin SOIC (7.50 mm width) package and shipped on Tape & Reel. The part meets true EIA/TIA-232-F standards, supports a minimum 120 kbps data rate under full load, and offers a 1 µA low-power shutdown mode with receivers remaining active for external device monitoring. According to the MaxLinear SP3222E/SP3232E datasheet, the integrated high-efficiency charge-pump requires only 0.1 µF capacitors in 3.3V operation. An RS-232 transceiver is a type of serial communication interface IC that converts logic-level UART signals (typically 0V/3.3V or 0V/5V CMOS/TTL) to the higher bipolar ±5V to ±15V signaling levels required by the legacy EIA/TIA-232 standard. Within the broader hierarchy, RS-232 transceivers belong to the line driver/receiver family, which itself sits under interface ICs in the power management and connectivity ecosystem. They are essential for bridging modern microcontrollers with industrial PCs, point-of-sale terminals, legacy peripherals, and serial debug ports. Key features include true EIA/TIA-232-F compliance from a 3.0V to 5.5V rail, an enhanced ESD protection rating on the RS-232 pins, 1 µA shutdown current with receiver wake-up, and integrated charge-pump DC-DC converters that eliminate the need for a separate ±12V supply. The 18-SOIC wide-body package supports standard 300-mil PCB footprints and provides robust thermal performance for industrial environments. Operating temperature range is 0°C to +70°C for the commercial-grade 'ECT' suffix variant. The architecture pairs an on-chip charge pump with a proprietary low-dropout transmitter topology and a logic-side receiver with hysteresis, ensuring noise-immune reception in electrically noisy industrial cabinets. The high-efficiency charge pump uses only four small 0.1 µF capacitors and produces ±5.5V rails from a 3.3V input, allowing true RS-232 swing without external DC-DC converters. Typical applications include notebook and palmtop computers, industrial control PLC serial ports, point-of-sale (POS) terminals, battery-powered handheld instruments, and any design that needs true RS-232 levels from a single low-voltage logic supply. When designing with this part, keep in mind that the shutdown pin (/SHDN) must be driven high for normal operation and pulled low only when battery life is critical. Decoupling the charge-pump capacitors with short, low-ESR traces directly at pins C1+, C1-, C2+, and V- minimizes output ripple. This page synthesizes distributor pricing, drop-in alternative MPNs, and practical design notes not found in the standalone manufacturer datasheet, giving purchasing and engineering teams a single source for cross-functional decision-making.

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SP3223EUCY-L

SP3223EUCY-L - +3.0V to +5.5V RS-232 Transceiver | MaxLinear

The MaxLinear SP3223EUCY-L is an intelligent +3.0V to +5.5V RS-232 transceiver housed in a 20-pin TSSOP package, providing two drivers and two receivers (2/2) for full-duplex RS-232 communication. Key specifications include a guaranteed data rate of 1000 kbps, supply current of 0.3 mA typical, and an integrated high-efficiency charge-pump that requires only 0.1 µF capacitors for 3.3V operation. The device is designed for portable applications such as notebook computers and handheld terminals where board space and power efficiency are critical. What is an RS-232 transceiver? An RS-232 transceiver is an interface IC that converts logic-level UART signals (typically 0V/3.3V or 0V/5V CMOS/TTL) into the bipolar ±5V to ±15V voltage swings defined by the EIA/TIA-232-F standard, which legacy PCs, industrial controllers, point-of-sale terminals, and instrumentation equipment use for serial communication. Within the broader component taxonomy, RS-232 transceivers sit under Interface ICs, alongside RS-485 transceivers, CAN transceivers, and USB-to-UART bridges. The SP3223EUCY-L delivers compliant RS-232 performance from a single 3.0V to 5.5V supply, interoperates with EIA/TIA-232 down to a 2.7V source, and adheres to EIA/TIA-562 at reduced drive levels. Its AUTO ON-LINE® circuitry automatically wakes the device from shutdown when a valid RS-232 signal is detected on the receiver input, eliminating the need for external activity-detect logic. An enhanced ESD rating of ±15 kV Human Body Model on the driver outputs and receiver inputs provides robust protection against cable-discharge transients in real-world environments. Typical applications include notebook and handheld computer serial ports, industrial PDA cradles, point-of-sale (POS) terminals, battery-powered diagnostic equipment, and any portable embedded system that needs a true RS-232 link without the bulk of a ±12V supply. The 0.1 µF charge-pump capacitors and 20-pin TSSOP footprint allow a complete 2-driver/2-receiver RS-232 port to fit in roughly 30 mm² of board area. The 0°C to +70°C commercial operating range suits indoor enclosures and consumer-grade handhelds; for industrial temperature designs, an 'I' suffix variant (SP3223EUCY-L is the commercial-grade part) is available from the same family. When designing with this part, remember that the 1000 kbps data rate requires the AUTO ON-LINE® wake-up path to settle; if the system depends on sub-millisecond link bring-up after power-down, gate the FORCEON pin externally. Place the four 0.1 µF charge-pump capacitors (C1–C4) within 3 mm of the IC pins to keep switching noise off the analog ground plane. The "-L" suffix indicates the lead-free / RoHS-compliant finish; pair this with a nickel-palladium-gold (NiPdAu) or matte-tin PCB surface finish to prevent solderability issues during reflow. This page synthesizes MaxLinear distributor pricing, drop-in same-package alternatives, and practical charge-pump PCB layout guidance that the bare datasheet does not present in a single place.

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SP3232EA-L

SP3232EA-L - 16-SSOP 120kbps RS-232 Transceiver | Sipex

The Sipex SP3232EA-L is a true RS-232 transceiver IC designed for portable and handheld equipment, with one transmitter and one receiver integrated in a 16-SSOP package. According to the retrieved manufacturer-family documentation, it supports a +3.0 V to +5.5 V supply, true EIA/TIA-232-F operation, and a minimum data rate of 120 kbps under full load. The device also includes low-power shutdown with receivers active, making it useful for battery-operated systems where the transmitter can be disabled while incoming data remains monitored. An RS-232 transceiver is an interface IC that combines a differential line driver and receiver with the voltage-level conversion required by the RS-232 standard. In the broader electronics hierarchy, it belongs to communication interfaces, then interface ICs, and finally semiconductor signal-conditioning devices. The SP3232EA series was designed for notebook, palmtop, and other portable applications where a compact interface must translate low-voltage logic signals to and from RS-232 levels. Key documented features include a +3.0 V to +5.5 V operating supply range, operation down to +2.7 V power-source conditions according to the retrieved technical listing, minimum 120 kbps data rate under full load, and enhanced ESD specifications of ±15 kV. The SP3232E family uses a high-efficiency charge-pump power supply with 0.1 µF capacitors in 3.3 V operation, helping the interface generate the bipolar RS-232 voltage levels required by the standard while reducing external capacitor count. The retrieved datasheet material identifies the SP3222E/SP3232E family as an RS-232 transceiver solution for portable or hand-held equipment. The SP3232EA-L designation identifies the specific -L ordering variant, while the underlying family documentation supplies the electrical operating information. Exact pin names, package dimensions, receiver propagation delay, transmitter output levels, and absolute maximum ratings should be confirmed against the applicable Sipex or MaxLinear datasheet before layout release. Typical applications include RS-232 links in portable computers, serial adapters, embedded serial consoles, battery-powered instruments, and industrial equipment requiring a low-voltage logic interface to a legacy RS-232 port. In a portable design, the receiver can remain active during shutdown if the system must detect a remote signal while reducing transmitter power. In a cable-connected instrument, the charge pump and external capacitors should be placed close to the device to minimize switching noise and maintain signal integrity. The main design consideration is confirming that the selected SSOP footprint, pinout, supply voltage, and logic levels match the PCB before substitution. For a production release, verify ESD protection requirements, cable protection, grounding, and the exact electrical limits from the official manufacturer datasheet rather than relying only on distributor summaries. This page combines retrieved manufacturer-family information, distributor links, and engineering guidance while clearly identifying data that still requires datasheet confirmation.

USD $0.27 متوفر

SP3232EBCN-L/TR

SP3232EBCN-L/TR - 250 kbps True RS-232 Transceiver, 2/2, 16-SOIC | MaxLinear

The MaxLinear SP3232EBCN-L/TR is a true RS-232 transceiver integrating two drivers and two receivers in a 16-pin narrow SOIC package, operating from a single 3.0 V to 5.5 V supply at data rates up to 250 kbps with 15 kV ESD protection on the RS-232 pins. An RS-232 transceiver is the physical-layer bridge between a logic-level UART and a differential, bipolar RS-232 port. RS-232 is a point-to-point, single-ended-plus-ground signalling standard defined in EIA/TIA-232-F; the transceiver's job is to convert TTL/CMOS logic levels into RS-232 levels on transmit and back again on receive. In the signal-chain hierarchy, an RS-232 transceiver sits below the UART controller and above the connector, inside the broader class of interface ICs and line-driver/receiver devices. Key features include a high-efficiency on-chip charge-pump supply that needs only 0.1 uF capacitors, true EIA/TIA-232-F compliance down to 3.0 V, 250 kbps transmission rate under load, 15 kV ESD protection on all bus pins, and a low-power shutdown mode drawing about 1 uA with the receivers still active. A single charge-pump and dual-pump topology eliminates the need for an external -12 V supply. The SP3232EB series is built for portable and hand-held equipment, where a single 3.3 V or 5 V rail must drive a legacy RS-232 port. The device also suits industrial data acquisition, instrumentation, point-of-sale terminals and USB-to-RS-232 bridging designs. Its 16-pin narrow SOIC body and standard pinout allow direct placement on existing RS-232 interface boards. A typical implementation places the transceiver between a microcontroller UART and a DB9 or RJ45-style RS-232 connector, with 0.1 uF charge-pump capacitors close to the V+ and V- pins and 100 nF decoupling on the supply. Pay attention to RS-232 ground referencing in long cable runs: the receiver tolerates a common-mode range, but ground loops in industrial cabinets remain the dominant source of data errors. This page consolidates parametric detail, drop-in alternatives in the same SOIC-16 footprint, and practical layout guidance that a datasheet alone does not present side by side.

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SP3232EBCY-L/TR

SP3232EBCY-L/TR - 250kbps RS-232 Transceiver | MaxLinear

MaxLinear SP3232EBCY-L/TR is a 2/2 full RS-232 transceiver rated for 250 kbps, 3 V to 5.5 V operation, and 0°C to +70°C commercial temperature range in a 16-pin TSSOP package. The integrated interface includes one driver and one receiver, providing bidirectional point-to-point RS-232 communication from a single low-voltage supply. An RS-232 transceiver is an interface IC that converts between logic-level signals and RS-232 differential voltage levels. It belongs to the serial-interface hierarchy, combining a line driver, line receiver, and charge-pump voltage converter. The SP3232EB family targets portable and handheld equipment where true RS-232 performance is required from a compact 3.3 V or 5 V supply rather than a conventional ±12 V source. The SP3232EBCY-L/TR supports data rates up to 250 kbps and a 3 V to 5.5 V supply range. Its high-efficiency charge-pump supply requires only 0.1 µF capacitors during 3.3 V operation, reducing external capacitor count compared with conventional RS-232 implementations. The manufacturer cross-reference identifies the SP3232EB family as providing 15 kV ESD protection. Two interface directions are available through the transceiver arrangement. The driver converts TTL or CMOS logic levels into RS-232 levels, while the receiver converts incoming RS-232 signals back into logic-compatible levels. This makes the device suitable for data links between portable computers, embedded controllers, industrial equipment, and other systems using the RS-232 standard. Typical applications include portable serial adapters, point-of-sale terminals, diagnostic interfaces, industrial control equipment, and embedded serial links. The 16-TSSOP package supports compact surface-mount construction, while the single-supply architecture simplifies system power design. The 250 kbps rating provides useful margin for common asynchronous serial links operating well below the device’s maximum signaling rate. When laying out the circuit, use the charge-pump capacitor values specified by the manufacturer and place them close to their associated pins. Keep the RS-232 driver and receiver traces away from sensitive analog or high-speed digital paths, and provide the connector interface with appropriate surge and ESD protection. This page combines the SP3232EB family electrical characteristics, package information, manufacturer cross-reference data, and practical guidance for selecting a pin-compatible RS-232 replacement or planning a compact single-supply serial interface.

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SP3232EBEN-L/TR

SP3232EBEN-L/TR - 250kbps RS-232 Transceiver | MaxLinear

The MaxLinear SP3232EBEN-L/TR is a two-channel, two-transceiver full RS-232 interface IC operating from a single 3.0V to 5.5V supply at rates up to 250kbps. The device is packaged in a 16-pin SOIC for surface-mount assembly and is specified over a -40°C to +85°C temperature range. An RS-232 transceiver is an interface IC that converts logic-level digital signals into RS-232 levels and converts received RS-232 levels back into digital logic signals. The SP3232EB family combines receiver and transmitter functions with an integrated charge-pump supply, making it suitable for portable and hand-held equipment that requires true RS-232 performance from a low-voltage system supply. The SP3232EBEN-L/TR supports two transmit and two receive channels. Its single-supply operating range of 3.0V to 5.5V permits use in both 3.3V and 5V systems. The manufacturer states that its high-efficiency charge-pump power supply requires only 0.1µF capacitors during 3.3V operation, reducing the external support-component count for compact serial-interface designs. The family is specified for operation at up to 250kbps and has a quiescent supply current of 0.3mA. The low-power architecture is useful for battery-powered equipment, portable test instruments, and embedded systems where an RS-232 connection is required but continuous current consumption must remain controlled. The 16-SOIC package supports standard surface-mount production and PCB rework procedures. Typical applications include serial service ports on portable computers, industrial diagnostic equipment, point-of-sale systems, data-acquisition instruments, and embedded controllers that communicate with RS-232 peripherals. The two-channel configuration allows one port to connect to a host adapter while another handles a local serial accessory or test fixture. Designers should preserve the required charge-pump capacitor connections and place the associated capacitors close to the device. Input and output signal paths should be routed away from switching nodes and noisy digital return currents to reduce the possibility of communications errors in electrically noisy industrial equipment. This product page combines the manufacturer family specifications with package details, practical application guidance, and a focused drop-in replacement comparison. It is intended to help engineers select an RS-232 interface, plan a PCB layout, and evaluate compatible replacements without reducing the component to a generic transceiver description.

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SP3232EBER-L/TR

SP3232EBER-L/TR - 250kbps RS-232 Transceiver | MaxLinear

The MaxLinear, Inc. SP3232EBER-L/TR is a 2/2 (two driver, two receiver) full-duplex RS-232 transceiver IC designed for portable and hand-held serial interfaces, operating from a single 3V to 5V supply and packaged in a 16-QFN (5x5 mm) surface-mount package supplied on tape and reel. It is specified for data rates up to 250 kbaud and features on-chip ESD protection rated to 15 kV. An RS-232 transceiver is a level-shifting interface IC that converts between logic-level CMOS/TTL signals and the bipolar +/- voltage swings defined by the RS-232 (EIA-232) standard. The SP3232EB/SP3222EB family belongs to the interface IC hierarchy: transceiver -> RS-232 interface -> serial transceiver -> integrated circuit. Because RS-232 uses inverting logic and elevated voltages, a transceiver is required between a host UART and a cable-attached peripheral, and the chip also supplies the biasing voltages the standard demands. Key features of this device include an integrated high-efficiency charge-pump power supply that needs only 0.1 uF capacitors when operated from 3.3V, true RS-232 levels from a single low-voltage supply, low-power operation suited to battery-powered equipment, integrated charge-pump capacitors in most qualified variants, and 15 kV ESD protection on the driver and receiver pins. The receiver hysteresis of 300 mV gives noise immunity against slow-moving bus edges in industrial cables. Technically the part replaces the older MAX232-style architecture by combining the charge-pump inverter, the dual driver bank and the dual receiver bank into one 16-QFN device. Because the on-chip charge pump operates continuously, the internal supply rails move only slightly with input voltage, so the transceiver behaves as a true single-supply RS-232 solution from 3V to 5V. The exposed pad under the QFN provides a low-impedance thermal and ground path, which matters when the package is used in compact handheld enclosures. Typical applications include point-of-sale terminals, barcode scanners, handheld test and measurement instruments, industrial serial cables, USB-to-serial adapters, medical and diagnostic equipment, and notebook or palmtop computer serial ports. The 250 kbaud data rate comfortably covers legacy RS-232 peripherals, while the 5x5 mm footprint suits space-constrained handheld and portable designs. When designing with the SP3232EBER-L/TR, place the charge-pump capacitors and the RS-232 line-side protection network close to the pins, route the driver outputs and receiver inputs as a matched, tightly coupled pair, and keep the analog ground return continuous under the device. Pay attention to the exposed-pad solder and thermal requirements, and confirm the cable-side ESD margin when connecting to externally accessible ports.

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SP3232EBEY-L/TR

SP3232EBEY-L/TR - Dual RS-232 Transceiver | MaxLinear

MaxLinear SP3232EBEY-L/TR is a +3.0 V to +5.5 V RS-232 transceiver containing two drivers and two receivers in a 16-pin TSSOP package. It supports true RS-232 communication from a single supply and uses a high-efficiency charge-pump power supply that requires only 0.1 µF capacitors when operating at 3.3 V. The integrated charge pump produces the bipolar voltage swings required by RS-232 without a separate negative supply. An RS-232 transceiver is an interface IC that converts logic-level signals into RS-232 line levels and receives RS-232 signals for conversion into logic-level inputs. In the product hierarchy, the SP3232EBEY-L/TR belongs to the RS-232 transceiver family, interface IC category, and broader semiconductor and communication-interface ecosystem. It is intended for portable and handheld equipment, including notebook computers and other systems that need bidirectional asynchronous serial communication. The device combines two transmit channels and two receive channels in one package. Its +3.0 V to +5.5 V supply range accommodates both 3.3 V and 5 V system rails. The 0.1 µF charge-pump capacitor requirement in 3.3 V operation supports compact board layouts, while integrated level translation reduces the number of external interface components required for a basic RS-232 port. The charge-pump topology generates positive and negative signal levels from a single positive supply. This is important because RS-232 uses voltage levels relative to ground to distinguish mark, space, and invalid states. The SP3232EBEY-L/TR also provides integrated driver and receiver functions, allowing two ports or two directions of communication to be implemented with one interface IC. Typical applications include portable computers, handheld test equipment, industrial control links, USB-to-RS-232 adapters, embedded serial consoles, and service interfaces. For embedded systems, the transceiver can connect a host UART to an external RS-232 connector. The host controller supplies logic-level transmit and receive signals, while the transceiver handles the physical voltage conversion and signal buffering. When designing the circuit, follow the charge-pump capacitor connection and placement requirements in the manufacturer datasheet. Keep the interface connector and transceiver placement practical for the intended cable length, provide the required bypass and charge-pump capacitance, and account for the electrical characteristics of the connected RS-232 port. A software-controlled power-down feature may also require careful interface-state handling. This product page combines package details, verified interface specifications, cross-reference findings, and practical implementation guidance. It also identifies the differences that matter when comparing the SP3232EBEY-L/TR with same-family and cross-brand RS-232 transceivers, helping engineers narrow the choice before updating a PCB or constructing a new serial interface.

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SP3232ECA-L

SP3232ECA-L - 120kbps RS-232 Transceiver | MaxLinear

The MaxLinear SP3232ECA-L is a 120 kbps full-duplex RS-232 transceiver with two drivers and two receivers, a 3.0 V to 5.5 V single-supply operating range, and a 16-pin SSOP package. The device includes a high-efficiency charge-pump power supply that requires only 0.1 µF capacitors in 3.3 V operation. An RS-232 transceiver is an interface IC that converts between single-ended logic-level signals and differential bipolar RS-232 signals. Within the interface hierarchy, it belongs to the communications-interface class, connecting UART controllers, modems, test equipment, and industrial controllers to legacy or long-distance serial links. True RS-232 levels provide noise immunity and common-mode rejection that ordinary CMOS logic cannot supply directly. The SP3232ECA-L supports true RS-232 operation from a single 3.0 V to 5.5 V supply, eliminating the negative supply normally required by older RS-232 implementations. Its 120 kbps minimum data rate under full load suits conventional UART traffic, while the integrated charge pump generates the required positive and negative voltage levels. Low-power shutdown is another documented feature of the related SP3232E series. The SP3232E series uses an efficient charge-pump architecture rather than a switched-inductor supply. The manufacturer states that only 0.1 µF capacitors are required for 3.3 V operation. This topology reduces external magnetic-component requirements and avoids the inductor and associated EMI behavior common to conventional switching converters. The result is a compact interface solution intended for portable and handheld equipment. Typical applications include notebook and palmtop computer serial ports, portable instrumentation, industrial control links, service equipment, and embedded systems that still use RS-232. Two transmitters and two receivers allow full-duplex communication when all four channel pins are used. The 16-pin SSOP package supports compact surface-mount layouts while remaining electrically compatible with the wider SP3232E transceiver family. When designing around the SP3232ECA-L, verify that the UART signal levels and connector-side RS-232 levels are not tied together incorrectly, because the transceiver performs the voltage-domain conversion. Place charge-pump capacitors close to their designated pins, keep the serial route away from sensitive analog nodes, and confirm that the selected connector and ground strategy meet the requirements of the communication standard. This page consolidates verified distributor specifications, family-level comparison data, lifecycle-independent engineering guidance, and practical interface design notes. It distinguishes confirmed SP3232ECA-L characteristics from parameters requiring confirmation in the manufacturer datasheet and separates documented alternatives from unverified cross-package substitutes.

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SP3232ECA-L/TR

SP3232ECA-L/TR - 120kbps RS-232 Transceiver | MaxLinear (Tape & Reel)

The MaxLinear SP3232ECA-L/TR is a 120 kbps full-duplex RS-232 transceiver with two drivers and two receivers, a 3.0 V to 5.5 V single-supply operating range, and a 16-pin SSOP package. The device includes a high-efficiency charge-pump power supply that requires only 0.1 µF capacitors in 3.3 V operation. An RS-232 transceiver is an interface IC that converts between single-ended logic-level signals and differential bipolar RS-232 signals. Within the interface hierarchy, it belongs to the communications-interface class, connecting UART controllers, modems, test equipment, and industrial controllers to legacy or long-distance serial links. True RS-232 levels provide noise immunity and common-mode rejection that ordinary CMOS logic cannot supply directly. The SP3232ECA-L/TR supports true RS-232 operation from a single 3.0 V to 5.5 V supply, eliminating the negative supply normally required by older RS-232 implementations. Its 120 kbps minimum data rate under full load suits conventional UART traffic, while the integrated charge pump generates the required positive and negative voltage levels. Low-power shutdown is another documented feature of the related SP3232E series. The SP3232E series uses an efficient charge-pump architecture rather than a switched-inductor supply. The manufacturer states that only 0.1 µF capacitors are required for 3.3 V operation. This topology reduces external magnetic-component requirements and avoids the inductor and associated EMI behavior common to conventional switching converters. The result is a compact interface solution intended for portable and handheld equipment. Typical applications include notebook and palmtop computer serial ports, portable instrumentation, industrial control links, service equipment, and embedded systems that still use RS-232. Two transmitters and two receivers allow full-duplex communication when all four channel pins are used. The 16-pin SSOP package supports compact surface-mount layouts while remaining electrically compatible with the wider SP3232E transceiver family. When designing around the SP3232ECA-L/TR, verify that the UART signal levels and connector-side RS-232 levels are not tied together incorrectly, because the transceiver performs the voltage-domain conversion. Place charge-pump capacitors close to their designated pins, keep the serial route away from sensitive analog nodes, and confirm that the selected connector and ground strategy meet the requirements of the communication standard. This page consolidates verified distributor specifications, family-level comparison data, lifecycle-independent engineering guidance, and practical interface design notes. It distinguishes confirmed SP3232ECA-L/TR characteristics from parameters requiring confirmation in the manufacturer datasheet and separates documented alternatives from unverified cross-package substitutes.

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SP3232ECN-L

SP3232ECN-L - 120 kbps RS-232 Transceiver | MaxLinear

The MaxLinear SP3232ECN-L is a 2-driver, 2-receiver RS-232 transceiver rated for data rates up to 120 kbps and operating from a single 3 V to 5.5 V supply. The device is packaged in a 16-pin narrow SOIC and is intended for portable and handheld equipment that requires true RS-232 electrical levels from a low-voltage logic supply. An RS-232 transceiver is an interface integrated circuit that combines line drivers, line receivers, and the charge-pump circuitry needed to generate the bipolar voltage swings required by the EIA/TIA-232 standard. Within the interface hierarchy, the SP3232ECN-L belongs to the RS-232 transceiver family, which sits below interface transceivers and above individual drivers and receivers. The SP3232ECN-L uses a high-efficiency charge-pump supply that requires only 0.1 uF capacitors during 3.3 V operation. This allows the transceiver to operate from 3 V to 5.5 V while maintaining true RS-232 performance. Its 2/2 channel arrangement provides two transmit paths and two receive paths in one package, reducing board area compared with separate driver and receiver ICs. The E-qualified version also provides enhanced electrostatic-discharge protection of up to plus or minus 15 kV under both the IEC 61000-4-2 system and the Human Body Model. The operating temperature range shown by distributor data is 0 C to 70 C. This combination of low supply voltage, integrated charge pump, and reinforced ESD protection makes the part useful in equipment exposed to electrically noisy or physically connected environments. Typical applications include notebook and palmtop computer serial ports, industrial control panels, point-of-sale terminals, data-acquisition equipment, and service interfaces for embedded systems. The 120 kbps signaling rate is appropriate for legacy RS-232 links carrying configuration commands, diagnostic data, and control traffic rather than continuous high-speed bulk transfers. When designing the circuit, verify the charge-pump capacitor values, driver and receiver connection details, and interface protection requirements against the manufacturer data sheet. Keep RS-232 driver outputs away from sensitive analog inputs, provide controlled return paths, and consider adding external surge protection when a cable can leave the enclosure. This page consolidates manufacturer and distributor information, package details, commercial availability, drop-in replacement options, application guidance, and practical design notes into one engineering reference for evaluating the SP3232ECN-L in new and existing serial-interface designs.

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SP3232ECP-L

SP3232ECP-L - Dual RS-232 Transceiver | MaxLinear, Inc.

MaxLinear, Inc. SP3232ECP-L is a +3.0 V to +5.5 V RS-232 transceiver containing two drivers and two receivers in a 16-pin DIP package. It supports data rates up to 120 kbps and uses an integrated charge-pump power supply that requires only 0.1 uF capacitors for 3.3 V operation. The device also provides a low-power shutdown mode with a 1 uA supply current while the receivers remain active. An RS-232 transceiver is an interface IC that converts logic-level signals between a host or controller and a serial port using differential, bipolar voltage levels. The SP3232ECP-L belongs to the RS-232 interface transceiver hierarchy, combining transmitter, receiver, voltage conversion, and power-management functions in one package. This integration is useful in portable equipment, industrial controllers, and embedded systems that need a compact, single-supply RS-232 connection. Key features include a 3 V to 5.5 V operating supply range, two transmit channels, two receive channels, and a maximum data rate of 120 kbps. The efficient charge-pump architecture generates the required bipolar RS-232 levels without an external switched power-supply circuit. A 0.1 uF charge-pump capacitor value in 3.3 V operation reduces external component count, while the 16-pin DIP package supports conventional through-hole assembly. The SP3232E family architecture uses on-chip charge pumps to develop positive and negative voltage rails required for compliant RS-232 signaling. The charge-pump capacitors must be connected close to their associated pins to minimize switching noise and maintain stable operation. The shutdown function can reduce supply current to 1 uA when the receivers are active, making the device suitable for systems that need low standby consumption without continuously disabling inbound serial communication. Typical applications include RS-232 ports on portable computers, point-of-sale terminals, industrial control equipment, test systems, and embedded serial adapters. The device is particularly appropriate where a 3.3 V system needs true RS-232 levels rather than logic-level TTL signaling. It can also simplify existing designs that use a higher-voltage supply, provided the host voltage, cable length, grounding, and signal-rate requirements remain compatible. Designers should follow the manufacturer datasheet for the exact pin assignments, charge-pump capacitor configuration, receiver enable behavior, and recommended decoupling. Place the charge-pump capacitors and receiver-input protection network according to the specified layout, use a suitable bypass capacitor at the supply pin, and confirm that the connected cable and logic levels match the system's electrical requirements. This page consolidates the verified electrical characteristics, package information, application guidance, and design considerations for engineers evaluating the SP3232ECP-L. It also distinguishes confirmed drop-in alternatives from unavailable or functionally different options so that replacement decisions are based on package and pin compatibility rather than name similarity alone.

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SP3232ECT-L

SP3232ECT-L - 120kbps RS-232 Transceiver | MaxLinear

The MaxLinear SP3232ECT-L is a true RS-232 transceiver with two drivers and two receivers, a minimum data rate of 120 kbps, a 3 V to 5.5 V supply range, and a 16-pin WSOIC package. It is designed for portable and handheld equipment that requires bidirectional RS-232 communication from a single low-voltage supply. An RS-232 transceiver is an interface IC that converts logic-level signals between a host or controller and RS-232 lines. The transceiver hierarchy includes interface IC, communications interface, and signal-conditioning semiconductor. Unlike TTL or CMOS serial signals, RS-232 uses voltage levels and signaling rules suited to longer-distance, point-to-point links. The SP3232ECT-L integrates the line driver and receiver functions needed to bridge that physical interface. A principal feature is the integrated high-efficiency charge-pump power supply. According to the manufacturer datasheet, the charge pump permits true RS-232 operation from a single 3 V to 5.5 V supply and requires only 0.1 µF capacitors in 3.3 V operation. This topology raises the supply to the voltage levels required by the RS-232 drivers without requiring a separate negative supply rail. The device supports a minimum 120 kbps data rate and provides two transmit channels plus two receive channels. That arrangement suits equipment requiring more than one serial link, such as a local-control bus, service interface, or legacy peripheral connection. Its true RS-232 interface is intended for portable computers, handheld terminals, industrial equipment, and other embedded systems that must interoperate with established RS-232 ports. Typical applications include configuration-port links, handheld test equipment, point-of-sale systems, industrial controllers, and service interfaces for installed equipment. The integrated charge pump reduces external power-supply complexity, while the 16-pin WSOIC package supports compact surface-mount assembly. Because RS-232 is a point-to-point interface, each driver should feed one receiver and unused channels should be handled according to the manufacturer recommendations. The primary design consideration is correct charge-pump capacitor placement. Place the required 0.1 µF capacitors close to their associated supply and charge-pump pins, maintain short return paths, and provide adequate ground-plane continuity. Account for the additional supply current drawn by the charge pump when calculating power capacity, especially in portable equipment operating from a battery-derived 3.3 V rail. This product page consolidates the exact SP3232ECT-L operating facts, package information, verified source links, sourcing guidance, and engineering-oriented replacement analysis. It is intended to help designers evaluate the interface function, board-level implementation, and procurement requirements without relying on a generic RS-232 overview.

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الفئات الفرعية

المنتجات (38,000+)

SP232AET-L - Dual 120kbps RS-232 Transceiver | MaxLinear

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SP3223EUCY-L - +3.0V to +5.5V RS-232 Transceiver | MaxLinear

SP3232EA-L - 16-SSOP 120kbps RS-232 Transceiver | Sipex

SP3232EBCN-L/TR - 250 kbps True RS-232 Transceiver, 2/2, 16-SOIC | MaxLinear

SP3232EBCY-L/TR - 250kbps RS-232 Transceiver | MaxLinear

SP3232EBEN-L/TR - 250kbps RS-232 Transceiver | MaxLinear

SP3232EBER-L/TR - 250kbps RS-232 Transceiver | MaxLinear

SP3232EBEY-L/TR - Dual RS-232 Transceiver | MaxLinear

SP3232ECA-L - 120kbps RS-232 Transceiver | MaxLinear

SP3232ECA-L/TR - 120kbps RS-232 Transceiver | MaxLinear (Tape & Reel)

SP3232ECN-L - 120 kbps RS-232 Transceiver | MaxLinear

SP3232ECP-L - Dual RS-232 Transceiver | MaxLinear, Inc.

SP3232ECT-L - 120kbps RS-232 Transceiver | MaxLinear