MAX3245ECAI+ - 1Mbps 3/5 RS-232 Transceiver | Analog Devices
Teilenummer: MAX3245ECAI+ ✓ Aktiv| Menge | Stückpreis | Gesamt |
|---|---|---|
| 1 | $0 | $0,00 |
| 10 | $0 | $0,00 |
| 100 | $0 | $0,00 |
| 500 | $0 | $0,00 |
| 1.000 | $0 | $0,00 |
MAX3245ECAI+ Übersicht
An RS-232 transceiver is an interface IC that converts between complementary logic-level signals and the voltage-defined bipolar signaling used by RS-232 equipment. It belongs to the transceiver class within interface ICs, bridging UART, microcomputer, industrial-control, and communications systems. The MAX3245 family supports EIA/TIA-232 and V.28/V.24 communication interfaces while reducing the number of external components needed for a practical RS-232 port.
Three driver channels and five receiver channels support multi-drop or multi-peripheral point-to-point arrangements. Its 1Mbps maximum data rate is suitable for moderate-speed serial links, and the ±15kV ESD rating adds protection for exposed connector-facing circuitry. The 3.0V-to-5.5V supply range accommodates both 3.3V and 5V system rails. AutoShutdown Plus provides low-power behavior for systems where power consumption matters during idle periods.
The MAX3245ECAI+ uses the MAX3245E device family and is identified with the E suffix, 28-pin SSOP package, and industrial-temperature ordering code in the supplied distributor data. The verified distributor listings describe the device as a full RS-232 transceiver with three drivers and five receivers. The exact internal channel pinout, electrical limits, charge-pump capacitor requirements, and package dimensions require confirmation from the manufacturer datasheet before layout or replacement approval.
Typical uses include USB-to-RS-232 adapters, industrial serial consoles, instrumentation, data acquisition, embedded control boards, and service ports. In each case, the transceiver provides the physical-layer conversion while the attached UART or processor handles framing and protocol software. The 1uA shutdown specification can reduce standby current when the port is not actively used, provided the AutoShutdown Plus control and external network are configured correctly.
For PCB design, place the device close to the RS-232 connector, route driver and receiver traces away from sensitive analog or high-speed digital signals, and verify the required external charge-pump capacitors against the datasheet. This page combines verified distributor specifications, source traceability, replacement analysis, and application guidance; it does not invent unprovided pin assignments or pricing values.
Drop-in-Alternativen für MAX3245ECAI+ – gleiches Gehäuse, Pin-kompatibel. Bauteile mit anderem Gehäuse, die eine PCB-Überarbeitung erfordern, sind ausgeschlossen.
Schnellvergleichstool – Wählen Sie Alternativbauteile für den Direktvergleich:
MAX3245EAI+
✅ Drop-In📋 Referenzalternative (nicht im Katalog)
MAX3245ECUI+
✅ Drop-In📋 Referenzalternative (nicht im Katalog)
ICL3245ECAZ
✅ Drop-In📋 Referenzalternative (nicht im Katalog)
ICL3245EIAZ
✅ Drop-In📋 Referenzalternative (nicht im Katalog)
MAX3244EEAI+
✅ Drop-In📋 Referenzalternative (nicht im Katalog)
MAX3245ECAI+ Technische Daten
| Product Type | RS-232 transceiver |
| Manufacturer | Analog Devices / Maxim Integrated |
| Supply Voltage Range | 3.0V to 5.5V |
| Number of Drivers | 3 |
| Number of Receivers | 5 |
| Duplex Mode | Full duplex |
| Maximum Data Rate | 1Mbps |
| ESD Protection | ±15kV |
| Abschaltstrom | 1uA |
| Interface Standard | EIA/TIA-232 |
| Communication Standard | V.28/V.24 |
| AutoShutdown Feature | AutoShutdown Plus |
| Gehäuse | 28-pin SSOP |
| Package Family | SSOP |
| Montageart | Surface mount |
| Driver Output Type | RS-232 line driver |
| Receiver Input Type | RS-232 line receiver |
| RoHS-Status | Pb-free indication in distributor cross-reference data |
MAX3245ECAI+ ssop Pinbelegungsleitfaden
Pinbelegung für MAX3245ECAI+ (ssop-Gehäuse). Pin-Nummerierung, Funktionen und Anschlussdiagramme sind im Herstellerdatenblatt definiert. Entnehmen Sie diesem den genauen Footprint und Lötrichtlinien.
Keine detaillierten Pinbelegungsdaten verfügbar für MAX3245ECAI+.
Siehe die Datenblatt für die vollständige Pin-Konfiguration.
Typische Anwendungen
MAX3245ECAI+ ist geeignet für 6 Anwendungs: USB-to-RS-232 Serial Adapter, Industrial Control Console, Instrumentation and Data Acquisition, Embedded Service Port, Point-to-Point Communications Link, Medical and Laboratory Equipment.
USB-to-RS-232 Serial Adapter
The MAX3245ECAI+ fits a USB-to-RS-232 adapter because it converts digital UART signals into RS-232 line levels and receives the return channel in the same package. Its three-driver and five-receiver arrangement is more than a basic two-channel link, while the 3.0V-to-5.5V range accommodates common adapter architectures. The 1Mbps rating provides headroom for moderate-speed configuration and diagnostic traffic, although the USB bridge and connector must set the actual baud-rate limit. The verified MAX3245E listing also identifies AutoShutdown Plus and 1uA shutdown behavior, which can help reduce idle consumption in portable adapters. Confirm the exact charge-pump capacitors, pinout, and ESD connection from the manufacturer datasheet.
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Industrial Control Console
The MAX3245ECAI+ is appropriate for an industrial control console that exposes a service or operator port through an RS-232 connector. The three drivers and five receivers allow the design to support several control or diagnostic signal paths, while the 1Mbps rate supports faster status transfer than lower-speed legacy links. Its ±15kV ESD protection is useful at a connector boundary, but system-level surge, isolation, grounding, and shielding still require engineering review. The 3.0V-to-5.5V supply range supports common industrial logic rails. The verified distributor data does not provide the operating temperature limit, so the selected package and grade must be checked before deployment in harsh environments.
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Instrumentation and Data Acquisition
The MAX3245ECAI+ can serve as the RS-232 physical interface in instrumentation and data-acquisition equipment where a controller must communicate with external measurement equipment. The 1Mbps capability helps accommodate burst transfers and configuration commands, while five receivers provide flexibility when several RS-232 inputs are routed to a common controller. The transceiver's low 1uA shutdown specification is useful when a portable instrument parks its serial port between test sessions. Designers should keep the serial traces short where possible, provide the required external charge-pump capacitors, and verify cable length and grounding against the RS-232 system requirements. The supplied data does not specify input capacitance, slew rate, or propagation delay, so those values require the datasheet.
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Embedded Service Port
The MAX3245ECAI+ is useful in an embedded controller that exposes a manufacturing, calibration, or field-service port. Its full-duplex operation supports simultaneous command transmission and response reception, and the three-driver/five-receiver arrangement can simplify multi-signal service connectors. Operating from 3.0V to 5.5V permits integration with both 3.3V processors and 5V legacy peripherals. The 1uA shutdown figure can improve standby behavior when the service connector is not connected, but AutoShutdown Plus configuration must be validated against the system power strategy. Place the transceiver near the connector and follow the manufacturer layout guidance to reduce susceptibility to external cable transients.
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Point-to-Point Communications Link
The MAX3245ECAI+ supports a point-to-point RS-232 communications link in which a transmitter drives one receiver and the return path carries responses or status. Its 1Mbps maximum data rate provides useful margin for short industrial or service links, while the integrated charge-pump generation specified by the MAX3245E family reduces the external component count compared with a discrete bipolar driver design. The device should be selected only when the linked equipment uses compatible RS-232 electrical levels, connector pinouts, and signaling timing. Cable length, ground reference, protection components, and grounding strategy can determine real-world reliability more than the nominal baud rate. Verify all of these details with the application and system requirements.
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Medical and Laboratory Equipment
The MAX3245ECAI+ can be used as a service or control interface in laboratory equipment, subject to the system's medical and safety requirements. The transceiver's three drivers and five receivers provide flexible RS-232 connectivity for configuration commands, status reporting, and service diagnostics, while the 3.0V-to-5.5V range supports common embedded rails. ESD protection at the communications boundary helps reduce exposure to electrostatic events, but it does not replace isolation, medical-grade barriers, or complete regulatory validation. The supplied data does not identify medical qualification, operating temperature, or isolation ratings, so those attributes remain [DATA_NEEDED]. Review the manufacturer datasheet and the finished-system safety documentation before using this part in patient-connected equipment.
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Zusammenfassung der empfohlenen Produkte
Technische Referenzdaten für MAX3245ECAI+ – Vergleich, Designhinweise und Compliance-Informationen.
Auswahlhilfe
Vergleich mit Alternativen
| Parameter | Dieses Produkt | MAX3245EAI+ | MAX3245ECUI+ | ICL3245ECAZ | ICL3245EIAZ | MAX3244EEAI+ |
|---|---|---|---|---|---|---|
| Package | 28-pin SSOP | 28-pin SSOP | 28-pin SSOP | 28-pin SSOP | 28-pin SSOP | 28-pin SSOP |
| Brand | Analog Devices | Maxim Integrated | Maxim Integrated | Intersil | Rochester Electronics | Maxim Integrated |
Wichtigste Unterscheidungsmerkmale
- Three-driver and five-receiver channel count (vs. MAX3244EEAI+)
- Three drivers and five receivers in the identified RS-232 transceiver topology (vs. MAX3232CDBR)
- Integrated 3.0V-to-5.5V operation with AutoShutdown Plus (vs. MAX3232CDBR)
Designhinweise
Place the MAX3245ECAI+ close to the RS-232 connector and place the ESD-protection and charge-pump components near the transceiver pins. Keep transmit and receive routing short, avoid sharing high-current return paths with sensitive logic, and maintain a continuous ground reference between the transceiver and connector according to the manufacturer layout guidance. Because the supplied data does not include the complete pinout or capacitor values, verify both in the official MAX3245E datasheet before release.
The verified 3.0V-to-5.5V supply range supports 3.3V and 5V systems, but the design must include the charge-pump network required by the MAX3245E family. Confirm capacitor voltage rating, tolerance, ESR assumptions, startup behavior, and shutdown-state current from the datasheet. Do not infer the internal boosted rail or capacitor values from the distributor summary, and check that the chosen regulator can supply the required transient current without disturbing adjacent rails.
A 28-pin SSOP package match is not sufficient proof of a drop-in replacement. Before substituting MAX3245EAI+, MAX3245ECUI+, ICL3245ECAZ, ICL3245EIAZ, or MAX3244EEAI+, compare every numbered pin, driver and receiver mapping, enable or shutdown polarity, electrical limits, and package tolerances. The supplied cross-reference search did not provide a complete verified pin-compatibility matrix, so these alternatives are candidates requiring engineering approval rather than automatic substitutions.
Compliance-Informationen
The supplied cross-reference snippet describes MAX3245ECAI as Pb-free, but the verified manufacturer data provided here does not explicitly state RoHS, REACH, AEC-Q100, halogen-free, or conflict-minerals status. Treat the Pb-free wording as a distributor cross-reference indication and confirm formal compliance with the manufacturer before making a regulatory claim.