MAX232ESE+ - Dual RS-232 Transceiver | Maxim Integrated
MPN: MAX232ESE+ ✓ فعالMAX232ESE+ جائزہ
An RS-232 transceiver is an interface IC that converts low-voltage digital logic signals into RS-232-compatible electrical levels and converts incoming RS-232 signals back into logic-compatible levels. Within the broader hierarchy of interface ICs, transceiver ICs connect processor or controller logic to communication ports. The MAX232 family is especially useful where a positive single supply is available but the external line requires bipolar RS-232 voltage levels.
The MAX232ESE+ uses CMOS circuitry and includes the charge-pump circuitry required to generate the bipolar levels used by the RS-232 drivers. Two driver outputs support transmit channels, while two receiver inputs support receive channels. Its stated operating supply range of 4.5 V to 5.5 V supports conventional +5 V digital systems. The manufacturer describes the family as particularly suitable for battery-powered equipment because a shutdown mode can reduce power consumption when the interface is not active.
Its principal application is point-to-point serial communication between a host controller and an external RS-232 device. Typical examples include industrial control terminals, data-acquisition equipment, service interfaces, and legacy peripheral connections. At data rates up to 120 kbps, the device accommodates many legacy asynchronous serial protocols while operating from a single 5 V rail. A 120 kbps capability should not be confused with the much higher data rates sometimes associated with USB-to-serial converters.
Circuit design requires correct treatment of RS-232 signal levels, including ground reference and, where cable length or noise conditions require it, protection for the external interface. Charge-pump capacitors must be connected exactly as shown in the manufacturer’s recommended application circuit. Keep the charge-pump and communication traces away from sensitive analog inputs, and verify the logic levels and connector-side protection before releasing a board.
This page combines the manufacturer interface specifications, package information, application guidance, and verified cross-reference findings in a format intended for schematic review and sourcing decisions. It also distinguishes pin-compatible alternatives from options that require different packages or electrical changes, helping engineers assess replacement risk before modifying a PCB.
کے لیے ڈراپ اِن متبادل MAX232ESE+ — یکساں پیکیج، پن سے پن مطابقت پذیر۔ مختلف پیکیج والے پرزے جن کے لیے PCB دوبارہ کام درکار ہو، شامل نہیں ہیں۔
اس سیریز میں مختلف ورژن
اسی سیریز کے ماڈلز جو ڈراپ اِن مطابقت رکھتے ہیں MAX232ESE+ (یکساں فارم فیکٹر اور فٹ پرنٹ) — میں مختلف Package, Product Type, Data Rate, ESD Protection, Logic Compatibility.
MAX232ESE+T
✅ ڈراپ-اِن📋 حوالہ جاتی متبادل (کیٹلاگ میں نہیں)
MAX232CSE+T
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →MAX232IN
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →SP232ACP-L
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →MAX232DR
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →MAX232ESE+ تفصیلات
| Product Type | Dual RS-232 line driver and receiver transceiver |
| Number of Transmit Channels | 2 channels |
| Number of Receive Channels | 2 channels |
| Supply Voltage Range | 4.5 V to 5.5 V |
| Maximum Data Rate | 120 kbps |
| Interface Standard | EIA/TIA-232E |
| Interface Standard | CCITT V.28 |
| Interface Standard | V.24 |
| Technology | CMOS |
| Package Type | 16-pin SOIC |
| ماؤنٹنگ ٹائپ | Surface mount |
| Shutdown Feature | Available |
MAX232ESE+ 16-pin soic پن کنفیگریشن گائیڈ
MAX232ESE+ (16-pin soic پیکیج) کے لیے پن کنفیگریشن۔ پن نمبرنگ، فنکشنز اور کنکشن ڈایاگرامز مینوفیکچرر کے ڈیٹا شیٹ میں بیان کیے گئے ہیں۔ درست فٹ پرنٹ اور سولڈرنگ رہنما ہدایات کے لیے اسی سے رجوع کریں۔
کے لیے تفصیلی پن آؤٹ ڈیٹا دستیاب نہیں MAX232ESE+.
رجوع کریں ڈیٹا شیٹ مکمل پن کنفیگریشن کے لیے۔
عام استعمالات
MAX232ESE+ کے لیے موزوں ہے 6 ایپلیکیشنs: Industrial Controller Serial Port, Data-Acquisition Equipment, Battery-Powered Test Equipment, Legacy Peripheral Adapter, Serial Service and Configuration Port, Point-to-Point Communication Link.
Industrial Controller Serial Port
The MAX232ESE+ fits a legacy industrial controller that exposes a +5 V logic UART but must connect to an RS-232 instrument through a DB9 or terminal connector. Its two transmitters and two receivers support bidirectional serial communication, while the 4.5 V to 5.5 V supply range matches a conventional +5 V control rail. The interface supports data rates up to 120 kbps and targets EIA/TIA-232E, CCITT V.28, and V.24 communications. Place the charge-pump capacitors exactly as specified in the manufacturer application circuit and route the connector-side return conductor to maintain a reliable logic reference.
تجویز کردہ
Data-Acquisition Equipment
The MAX232ESE+ can connect a data-acquisition controller to a legacy host or service terminal without requiring a separate ±12 V supply. Two receive channels allow the controller to monitor two RS-232 inputs, while two transmit channels support command and data paths. The 120 kbps maximum data rate is suitable for many instrument-control and status-reporting protocols that operate below that limit. Because exposed RS-232 connectors can receive electrical transients, the board should add appropriate connector-side protection and maintain a low-impedance connection between interface ground and the equipment ground.
تجویز کردہ
Battery-Powered Test Equipment
The MAX232ESE+ is useful in battery-powered test equipment where a full-size PC serial port may be unavailable but an RS-232 service interface is required. Its 4.5 V to 5.5 V operating range suits a +5 V system, and the family’s shutdown capability can reduce consumption when the interface is idle. The two-channel transmit and receive arrangement is adequate for command links, firmware downloads, and diagnostic reporting. Select the external capacitors and protection network from the datasheet, and verify the temperature grade for the product’s portable operating environment.
تجویز کردہ
Legacy Peripheral Adapter
The MAX232ESE+ enables a modern controller board to communicate with printers, scales, programmers, or other legacy peripherals that use RS-232. The single +5 V supply requirement reduces system complexity compared with an interface that needs separate positive and negative rails. At rates up to 120 kbps, the device supports common asynchronous control protocols while its two drivers and two receivers provide useful channel flexibility. Verify the peripheral’s logic polarity, handshake requirements, connector pinout, and maximum cable distance before deployment, since those details are not standardized across all RS-232 equipment.
تجویز کردہ
Serial Service and Configuration Port
The MAX232ESE+ is appropriate for a service port used to configure equipment, download firmware, or retrieve diagnostic data. A controller UART can use one transmit channel and one receive channel, while the second pair can support a second device or a hardware-handshake path if required by the system design. The device operates from 4.5 V to 5.5 V and supports up to 120 kbps, making it suitable for many embedded configuration interfaces. Keep the external cable interface away from sensitive analog circuitry and include overvoltage protection where the port is accessible to users.
تجویز کردہ
Point-to-Point Communication Link
The MAX232ESE+ supports a point-to-point RS-232 link between two systems using the EIA/TIA-232E interface and a maximum supported data rate of 120 kbps. Its CMOS transmitter inputs and receiver outputs let digital controller logic connect directly through the IC, while the on-chip charge-pump network supports the bipolar voltage levels required at the line interface. The design should follow the manufacturer’s recommended capacitor connections and account for line capacitance, cable length, grounding, and ESD protection. This application is best suited to legacy equipment rather than high-speed contemporary serial links.
تجویز کردہ
تجویز کردہ پروڈکٹس کا خلاصہ
کے لیے انجینئرنگ ریفرنس ڈیٹا MAX232ESE+ — موازنہ، ڈیزائن رہنمائی، اور تعمیل کی معلومات۔
انتخاب کی گائیڈ
متبادلات کے ساتھ موازنہ
| پیرامیٹر | یہ پروڈکٹ | MAX232ESE+T | MAX232CSE+ | MAX232IN | SP232ACP-L | MAX232DR |
|---|---|---|---|---|---|---|
| Package | 16-SOIC | 16-SOIC | 16-SOIC | 16-SOIC | 16-SOIC | 16-SOIC |
| Brand | Maxim Integrated | Maxim Integrated | Maxim Integrated | Maxim Integrated | Sipex | Maxim Integrated |
| Transmitter Channels | 2 channels | 2 channels | 2 channels | 2 channels | 2 channels | 2 channels |
| Receiver Channels | 2 channels | 2 channels | 2 channels | 2 channels | 2 channels | 2 channels |
| Technology | CMOS | CMOS | CMOS | CMOS | CMOS | CMOS |
| Temperature Grade Suffix | E | E | C | I | Industrial grade designation | D |
اہم امتیازی خصوصیات
- Direct single-supply RS-232 interface (بمقابلہSP232ACP-L)
- Up to 120 kbps operation (بمقابلہMAX232IN)
- Established Maxim Integrated MAX232 family (بمقابلہSP232ACP-L)
ڈیزائن نوٹس
Follow the manufacturer recommended charge-pump capacitor and bypass-capacitor connections exactly. Place the charge-pump capacitors close to their dedicated pins, provide a short return path to ground, and avoid routing those switching nodes beneath or parallel to sensitive analog signals. The MAX232ESE+ generates bipolar line voltage internally, so careless layout can couple charge-pump noise into adjacent circuitry even when the communication signal itself is clean.
Do not assume that every MAX232 suffix is an exact production equivalent. MAX232ESE+T retains the same 16-SOIC electrical concept but changes the ordering or packing notation, while MAX232CSE+, MAX232IN, and MAX232DR use different grade codes. Before substitution, verify the package drawing, temperature range, lifecycle status, shutdown pin behavior, logic thresholds, and external capacitor values against the schematic and the current manufacturer datasheet.
Keep the logic-side traces away from the RS-232 connector and charge-pump section, and route the cable-side return with a short, low-impedance ground path. If the connector is user accessible, add appropriately rated ESD and surge protection close to the connector. Protection components must not interfere with receiver thresholds or the 120 kbps operating limit.
تعمیل کی معلومات
The interface IC is not an automotive-qualified power device, so AEC-Q100 is not applicable. RoHS, REACH, lead-free, halogen-free, and conflict-minerals status were not explicitly identified in the cited product information and remain unknown.