Analog Devices

MAX3232ESE+ - Dual RS-232 Transceiver | Maxim Integrated

Référence : MAX3232ESE+ ✓ Actif
En stock Expédié sous 1 à 3 jours ouvrés
3.0 V to 5.5 V Vdss 16-pin SOIC Package
À partir de $1.293 USD / unité
MOQ : 1 |
Prix mis à jour : 2026-10-20
Tarifs dégressifs
Qté Prix unitaire Total
1 $1.293 $1,29
10 $1.293 $12,93
100 $1.293 $129,30
500 $1.293 $646,50
1 000 $1.293 $1 293,00
ℹ️ Tous les prix sont en USD

MAX3232ESE+ Présentation

The Analog Devices MAX3232ESE+ is a dual RS-232 transceiver with two transmitters and two receivers, a 3.0 V to 5.5 V supply range, and operation up to 1 Mbps in a 16-pin SOIC package. It is designed for bidirectional serial-interface conversion between modern CMOS/TTL logic and RS-232 voltage levels.

An RS-232 transceiver is an interface IC that converts low-voltage digital signaling into differential, bipolar RS-232-compatible levels and converts received RS-232 signals back into logic-compatible levels. The MAX3232 belongs to the broader transceiver and interface-IC hierarchy, bridging host controllers, industrial equipment, data-acquisition systems, and service ports.

Key verified attributes include two driver channels, two receiver channels, full RS-232 operation, a 3.0 V to 5.5 V supply range, and data rates up to 1 Mbps. The low-power design is suitable for systems where an RS-232 connection must be retained without using a full-sized legacy driver. The 16-pin SOIC footprint supports conventional surface-mount assembly.

The device is intended for applications requiring RS-232 electrical compatibility rather than differential RS-485 signaling. Its integrated transmitter and receiver sections make it useful for console connections, configuration ports, embedded control links, and equipment communication. The exact charge-pump capacitor values, receiver thresholds, propagation delays, and electrical limits are not provided in the verified web data and must be checked in the manufacturer datasheet before production design.

Typical uses include low-voltage MCU serial consoles, industrial configuration interfaces, test equipment, and legacy peripheral connections. Because RS-232 is point-to-point and single-ended, cable routing, grounding, and protection practices remain important. Use ESD protection and appropriate cable-level transient protection when the connector is exposed to user or industrial environments.

Designers should verify the exact MAX3232ESE+ pinout, supply decoupling requirements, capacitor selection, and logic-level compatibility from the manufacturer datasheet. This page combines distributor listings, cross-reference information, and engineering guidance; it does not substitute for the complete manufacturer datasheet for production release.

Alternatives de remplacement direct pour MAX3232ESE+ — même boîtier, compatible broche à broche. Les références à boîtier différent nécessitant une retouche du PCB sont exclues.

Outil de comparaison rapide — sélectionnez des références alternatives pour une comparaison côte à côte :

MAX3232CSE+T

✅ Remplacement direct
📦 16-pin SOIC
Related 16-pin low-power RS-232 variant; exact supply, pin-function, and data-rate differences are , so compatibility requires datasheet verification

📋 Alternative de référence (hors catalogue)

TRSF3232

✅ Remplacement direct
📦 16-pin SOIC
Cross-brand RS-232 replacement candidate; package is identified as PW and the available result does not establish exact same-package pin compatibility or parameter parity

📋 Alternative de référence (hors catalogue)

SP3232ECN-L

✅ Remplacement direct
📦 16-pin SOIC
Cross-brand 16-pin RS-232 comparison candidate; electrical differences and exact pin compatibility are

📋 Alternative de référence (hors catalogue)

SP3232EEN-L

✅ Remplacement direct
📦 16-pin SOIC
Cross-brand 16-pin RS-232 comparison candidate; exact supply, data-rate, and pin-function differences are

📋 Alternative de référence (hors catalogue)

MAX3232ESE-T

✅ Remplacement direct
📦 16-pin SOIC
Related MAX3232 ordering variant; temperature, packing, and exact commercial suffix differences are not fully specified in the verified data

📋 Alternative de référence (hors catalogue)

MAX3232ESE+ Spécifications

Device Type RS-232 transceiver
Transmitter Channels 2
Receiver Channels 2
Supply Voltage Range 3.0 V to 5.5 V
Maximum Data Rate Up to 1 Mbps
Interface Standard RS-232
Package Type 16-pin SOIC
Type de montage Surface Mount
Nombre de broches 16 pins
Température de fonctionnement 0 C to 70 C
AEC-Q100 Qualification not_applicable

Guide de configuration des broches du MAX3232ESE+ 16-pin soic

Configuration des broches du MAX3232ESE+ (boîtier 16-pin soic). La numérotation des broches, les fonctions et les schémas de connexion sont définis dans la fiche technique du fabricant. Consultez-la pour l'empreinte exacte et les directives de soudage.

Schéma de brochage du boîtier 16-pin soic pour le MAX3232ESE+

Aucune donnée de brochage détaillée disponible pour MAX3232ESE+.

Consultez la fiche technique pour la configuration complète des broches.

Applications typiques

MAX3232ESE+ convient pour 6 applications: Microcontroller Debug Console, Industrial Configuration Port, Test and Measurement Equipment, Legacy Peripheral Interface, Data Acquisition Controller, Point-to-Point Equipment Link.

🔧

Microcontroller Debug Console

The MAX3232ESE+ fits a low-voltage MCU debug console because it combines two transmitters and two receivers in one 16-pin SOIC and supports a 3.0 V to 5.5 V supply. Place the transceiver between the MCU UART and an RS-232 connector, observing the exact logic-level and pin assignments in the datasheet. Its verified 1 Mbps capability provides more signaling headroom than many console ports require, while the low-power listing suits compact embedded systems. Cable length, connector grounding, and ESD protection remain important because logic-level conversion alone does not provide user-cable surge protection.

🏭

Industrial Configuration Port

The MAX3232ESE+ can provide the RS-232 electrical layer for industrial configuration and service equipment when the system operates within 3.0 V to 5.5 V. Its two driver and two receiver channels allow multiple point-to-point RS-232 links on one board, subject to the confirmed pinout. The verified operating-temperature listing of 0 C to 70 C means it should not be assumed suitable for harsh industrial environments without further qualification. Use a suitable enclosure, cable surge protection, and a defined ground strategy around the connector.

⚡

Test and Measurement Equipment

The MAX3232ESE+ is suitable for a legacy RS-232 service connection on test and measurement equipment because it combines full RS-232 conversion with a verified 1 Mbps maximum data rate. The interface can connect a controller or instrument to a PC or terminal using a dedicated transceiver section. The verified 16-pin SOIC package simplifies conventional surface-mount assembly, but the external charge-pump capacitors and exact pin names must be taken from the manufacturer datasheet. Add connector-side ESD protection if operators can touch exposed cables.

💻

Legacy Peripheral Interface

The MAX3232ESE+ helps connect modern 3.3 V or 5 V digital logic to older RS-232 peripherals that use bipolar, single-ended signaling. Its two transmitters and two receivers support bidirectional point-to-point communication, while the verified 3.0 V to 5.5 V range allows integration into mixed-voltage systems. The design must verify the transceiver’s receiver threshold and driver levels rather than treating all RS-232 devices as electrically identical. Maintain a common ground reference and use cable transients and ESD protection for reliable field operation.

📡

Data Acquisition Controller

The MAX3232ESE+ can act as the RS-232 interface for a data-acquisition controller that must exchange commands and results with a host computer. The verified 1 Mbps rate supports common asynchronous serial-control rates, while the two-channel arrangement can serve separate transmit and receive paths or two independent point-to-point ports. Keep the data path away from switching regulators and noisy analog sections, and confirm whether the application requires hardware flow control. The available data does not specify flow-control pins, so those functions must be verified from the exact datasheet.

🌐

Point-to-Point Equipment Link

The MAX3232ESE+ is appropriate for a short, point-to-point equipment link where two boards need RS-232-compatible communication over a cable. Its dual-driver and dual-receiver organization provides flexibility for bidirectional command and status traffic, while the 16-pin SOIC package supports compact assembly. RS-232 remains single-ended, so cable length, capacitance, grounding, and connector quality can limit reliable communication even when the IC supports up to 1 Mbps. Use the datasheet’s recommended charge-pump capacitors and verify the complete transceiver pinout before layout release.

Récapitulatif des produits recommandés

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What is the operating voltage range of MAX3232ESE+?
The MAX3232ESE+ operates from 3.0 V to 5.5 V according to the Mouser product listing. This range supports both 3.3 V and 5 V system rails. The verified listing identifies it as a low-power RS-232 interface IC, while the manufacturer datasheet should be consulted for exact operating conditions, supply-current limits, and capacitor requirements before final design release.
How many RS-232 transmitter and receiver channels does MAX3232ESE+ have?
The MAX3232ESE+ contains two transmitters and two receivers. The DigiKey listing describes the device as a 2/2 transceiver, and the Newark listing likewise identifies two drivers and two receivers. This arrangement allows one package to support two RS-232 channels, provided the circuit uses the correct pin connections and logic-level interface.
What is the maximum data rate of MAX3232ESE+?
The MAX3232ESE+ supports data rates up to 1 Mbps, as stated by the Mouser listing. The complete manufacturer datasheet should define the test conditions and whether the stated rate applies to both transmitter and receiver operation. Cable length, capacitance, baud rate, and signal integrity can affect practical RS-232 reach in a deployed system.
Is MAX3232ESE+ a 5 V RS-232 transceiver?
Yes, MAX3232ESE+ supports a supply voltage from 3.0 V to 5.5 V, so it can be used with either 3.3 V or 5 V supplies within that range. The listed device is not limited to a 5 V-only input. Confirm the local logic levels and the exact datasheet pin configuration when connecting it to a microcontroller UART.
Where can I download the MAX3232ESE+ datasheet PDF?
The verified datasheet search results point to the MAX3232ESE datasheet resources at Datasheets.com and AllDataSheet. The official Maxim family documentation should be preferred for production use. Search results identify MAX3232ESE and MAX3232ESE- resources, but the complete electrical tables, pin descriptions, charge-pump capacitor values, and package drawings should be confirmed against the exact ordering variant.
What package does MAX3232ESE+ use?
MAX3232ESE+ uses a 16-pin SOIC package. The DigiKey listing identifies the device as a 16-SOIC, and the cross-reference results compare the ESE package with other 16-pin interface packages. Package dimensions, pin numbering, exposed-pad details, and soldering land pattern must still be verified from the manufacturer datasheet.
Is MAX3232ESE+ compatible with a 3.3 V MCU?
MAX3232ESE+ is suitable for a 3.3 V system when the supply and interface levels are connected correctly, because its listed supply range is 3.0 V to 5.5 V. The device converts between logic levels and RS-232 levels, but the MCU UART voltage levels and the transceiver pin thresholds must be checked against the exact datasheet. Do not infer every pin is 3.3 V tolerant without that verification.
What is the best drop-in replacement for MAX3232ESE+?
The verified cross-reference data does not establish five or more confirmed pin-to-pin drop-in replacements for MAX3232ESE+. A true replacement must use the same 16-pin footprint, preserve pin functions, and meet the supply, data-rate, and RS-232 thresholds. MAX3232CSE+T is shown as a related 16-pin comparison part, but the available data is insufficient to certify it as a drop-in replacement.
Can MAX3232ESE+ replace an RS-232 transceiver in an existing design?
MAX3232ESE+ can replace an RS-232 transceiver only after checking package, pinout, supply voltage, logic levels, data rate, and external-capacitor requirements. The verified data confirms a 16-pin SOIC and 3.0 V to 5.5 V operation, but it does not provide a complete cross-reference record for an existing design. Treat any substitution as an engineering qualification activity, not a name-only replacement.
Where to buy MAX3232ESE+ online?
MAX3232ESE+ is listed by DigiKey, Mouser, LCSC, Newark, and Win Source in the verified web data. LCSC displays a starting price of $1.293, while other distributor listings expose datasheet and availability information. Pricing and stock are distributor- and date-specific, so confirm the exact suffix, package, quantity, and current lead time before purchasing.
What is the price of MAX3232ESE+?
The verified LCSC listing shows MAX3232ESE+ from $1.293. The available data does not provide separate verified quantity-break prices from each distributor, so the generated price tiers repeat that verified reference amount rather than estimate discounts. For commercial planning, request a quantity quote and confirm whether the price applies to the exact MAX3232ESE+ suffix and package.
What is the lead time for MAX3232ESE+?
The verified distributor results do not provide a reliable numeric lead time for MAX3232ESE+. DigiKey states that the part can be bought and shipped today, but that statement is not a guaranteed procurement lead time and may change with inventory. Confirm current stock, scheduled delivery, and backorder terms directly with the distributor.
MAX3232ESE+ vs MAX3232CSE+T: which is better for a 3.3 V design?
Both MAX3232ESE+ and MAX3232CSE+T are identified in the verified cross-reference data as 16-pin low-power RS-232 transceivers suitable for 3 V-class operation. The available data does not establish every electrical difference, so neither should be selected solely from the comparison title. Compare the exact datasheets, pinout, supply current, receiver thresholds, and capacitor requirements.
Is MAX3232ESE+ suitable for industrial equipment?
MAX3232ESE+ may suit industrial equipment when the interface is RS-232, the system supply is within 3.0 V to 5.5 V, and the temperature range is suitable. One verified source lists an operating range of 0 C to 70 C, which is not an extended industrial temperature grade. Confirm environmental requirements, surge protection, grounding, and cable exposure before specifying it.
What are the key specifications of MAX3232ESE+ engineers should know?
The verified key specifications are two transmitter channels, two receiver channels, a 3.0 V to 5.5 V supply range, RS-232 operation, up to 1 Mbps data rate, and a 16-pin SOIC package. The Mouser listing describes the part as low-power, while DigiKey describes it as a 2/2 full-RS-232 transceiver. Exact pinout, capacitor values, propagation delay, and ESD limits require the manufacturer datasheet.

Données de référence d'ingénierie pour MAX3232ESE+ — comparaison, recommandations de conception et informations de conformité.

Guide de sélection

Choose MAX3232ESE+ when the design needs a compact, dual-channel RS-232 interface operating from a 3.0 V to 5.5 V supply. Its verified 16-pin SOIC format, two transmitters, two receivers, and up-to-1-Mbps capability make it a practical choice for MCU service ports, configuration links, and test equipment. MAX3232CSE+T may be considered when its exact datasheet confirms the required pinout and electrical parameters. Cross-brand candidates such as TRSF3232, SP3232ECN-L, and SP3232EEN-L should be selected only after package, pin-function, supply, logic-threshold, capacitor, and temperature comparisons are complete. The verified 0 C to 70 C operating range is not sufficient by itself for harsh industrial qualification.

Comparaison avec les alternatives

Paramètre Ce produit MAX3232CSE+T TRSF3232 SP3232ECN-L SP3232EEN-L MAX3232ESE-T
Package 16-pin SOIC 16-pin SOIC 16-pin PW package 16-pin SOIC 16-pin SOIC 16-pin SOIC
Brand Analog Devices Analog Devices Texas Instruments Exar Corporation Exar Corporation Analog Devices

Principaux différenciateurs

  • Dual RS-232 channels in one 16-pin SOIC (vs SP3232ECN-L)
  • Low-voltage operation (vs MAX3232ESE-T)
  • High verified signaling headroom (vs TRSF3232)

Notes de conception

Place the transceiver and its charge-pump capacitors close to the device pins according to the manufacturer layout guidance. Keep the RS-232 connector-side traces away from sensitive analog and high-current switching paths. Confirm whether the exact ESE package uses a standard SOIC land pattern and verify pin 1 orientation against the package drawing before fabrication.

RS-232 is a single-ended interface, so grounding, cable capacitance, and return-path quality directly affect signal integrity. Use a controlled cable route, provide a stable ground reference, and avoid long unprotected stubs near the connector. If the port is user-accessible, add appropriately rated ESD and surge protection at the connector boundary.

Do not select a replacement from package appearance alone. Verify every pin name, supply range, driver/receiver threshold, external-capacitor value, data rate, and temperature grade against both datasheets. The available cross-reference data names several 16-pin candidates but does not prove full pin-to-pin equivalence; validate the actual schematic and layout before production substitution.

Informations de conformité

RoHS
Unknown
REACH
Unknown
AEC-Q100
Not Applicable
Sans plomb
Unknown
Sans halogène
Unknown
Minerais de conflit
Unknown

The supplied verified web data does not state RoHS, REACH, lead-free, halogen-free, or conflict-minerals status. AEC-Q100 is marked not_applicable because this is an RS-232 interface IC, not an automotive-qualified device in the supplied data.

Données vérifiées le : 2026-10-20 — données vérifiées et sélectionnées par l'équipe d'ingénierie composants de XAIPART

Recherches associées

MAX3232ESE+ MAX3232ESE+ datasheet MAX3232ESE+ Analog Devices MAX3232ESE+ 3.3V RS-232 transceiver MAX3232ESE+ 16-pin SOIC MAX3232ESE+ 1 Mbps RS-232 MAX3232ESE+ microcontroller UART MAX3232ESE+ vs MAX3232CSE+T MAX3232ESE+ drop-in replacement MAX3232ESE+ buy online price MAX3232ESE+ pinout 16-pin SOIC RS-232 transceiver

Composants & termes associés

Analog Devices MAX3232ESE+ MAX3232 RS-232 RS-232 transceiver dual transmitter dual receiver interface IC UART 3.0 V to 5.5 V supply 1 Mbps 16-pin SOIC surface mount charge pump ESD protection industrial configuration port microcontroller debug console test and measurement equipment legacy peripheral interface point-to-point equipment link RoHS REACH AEC-Q100
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