ADM202JN - Dual 120kbps RS-232 Transceiver | Analog Devices
N.º de pieza: ADM202JN ✗ Fin de vida| Cant. | Precio unitario | Total |
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| 1 | $0 | $0,00 |
| 10 | $0 | $0,00 |
| 100 | $0 | $0,00 |
| 500 | $0 | $0,00 |
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ADM202JN Descripción general
An RS-232 transceiver is an interface IC that converts low-voltage digital logic levels into differential bipolar line voltages for transmission and converts received line voltages back into logic-compatible signals. The ADM202 belongs to the RS-232 transceiver class, which includes line drivers, line receivers, level-shifting circuitry, and charge-pump voltage generation. It is intended to bridge a host controller or UART with an external RS-232 connector while operating from a single 5 V rail.
Key features include two RS-232 drivers, two RS-232 receivers, a 120 kB/s data rate, 0.1 µF charge-pump capacitors, and integrated on-board DC-DC conversion. The supplied data identifies the output levels as ±10 V and states that the device meets or exceeds TIA/EIA-232-E and V.28 specifications. The 16-PDIP package is a through-hole package suitable for conventional PCB sockets and legacy communication equipment.
The ADM202 architecture combines digital input/output compatibility with analog line-driver and receiver functions. Its charge-pump converter avoids a separate negative supply for RS-232 transmission while reducing the external capacitor requirement to 0.1 µF. The receiver side translates the bipolar RS-232 signal into a logic-level output suitable for a UART or microprocessor. Exact propagation-delay, input-threshold, output-current, and absolute-maximum values are not supplied in the verified excerpts and are marked for data collection rather than inferred.
Typical uses include industrial serial adapters, data-acquisition equipment, service interfaces, test systems, embedded control consoles, and legacy peripheral connections. The part is most appropriate where the system already uses a true RS-232 physical interface and requires a compact two-channel transceiver rather than a modern differential bus such as RS-485. The ±10 V output capability helps provide the voltage swing expected by RS-232 receivers while the single 5 V supply simplifies system power design.
Designers should verify the external charge-pump capacitor connection, pin orientation, logic-level compatibility, receiver hysteresis, and cable-side protection against the manufacturer datasheet. Do not treat RS-232 as a long-distance differential communication standard; cable length, grounding, connector pin assignment, and EMI conditions still determine practical reliability. The supplied data also indicates that the ADM202JN is an obsolete-style 16-DIP product, so sourcing and lifecycle confirmation should be checked before new production commitments.
This product page combines the verified Analog Devices function description, distributor package identification, and public cross-reference leads with engineering-focused selection, application, and sourcing guidance. It distinguishes verified facts from missing parameters and does not invent pricing, pin names, or electrical values that were not present in the supplied data.
Alternativas directas para ADM202JN — mismo encapsulado, compatible pin a pin. Se excluyen las piezas de otro encapsulado que requieren retrabajo de la PCB.
Variantes de esta serie
Modelos de la misma serie compatibles directamente con ADM202JN (mismo factor de forma y huella) — difiere en ESD Protection, Product Type, Supply Voltage, Interface Standard, Mounting Type.
Herramienta de comparación rápida — seleccione piezas alternativas para compararlas lado a lado:
ADM202E
✅ Sustitución directa📋 Alternativa de referencia (no en el catálogo)
ADM202E/CP
✅ Sustitución directa📋 Alternativa de referencia (no en el catálogo)
ADM202JNZ
✅ Sustitución directa📋 Alternativa de referencia (no en el catálogo)
MAX202IN
✅ Sustitución directa✓ En stock
Consulte el precio
Ver hoja de datos →MAX202ID
✅ Sustitución directa✓ En stock
Consulte el precio
Ver hoja de datos →ADM202JN Especificaciones
| Product Type | Dual RS-232 line driver/receiver transceiver |
| Number of Drivers | 2 |
| Number of Receivers | 2 |
| Transmission Rate | 120 kB/s |
| Tensión de alimentación | Single 5 V |
| Charge-Pump Capacitor | 0.1 µF |
| RS-232 Output Levels | ±10 V |
| RS-232 Standard Compatibility | TIA/EIA-232-E and V.28 |
| On-Board DC-DC Converter | Yes |
| Duplex Mode | Full duplex |
| Encapsulado | 16-PDIP |
| Tipo de montaje | Through hole |
| Temperatura de funcionamiento | 0 °C to 70 °C |
| Supply Range | 4.5 V to 5.5 V |
| Driver Slew Rate | Fast driver slew rates; numerical value not provided |
| ESD Protection | 15 kV mentioned in a public product-document snippet; test conditions not provided |
Guía de configuración de pines de ADM202JN 16-pdip
Configuración de pines para ADM202JN (encapsulado 16-pdip). La numeración de pines, las funciones y los diagramas de conexión se definen en la hoja de datos del fabricante. Consúltela para conocer el footprint exacto y las directrices de soldadura.
No hay datos detallados de patillaje disponibles para ADM202JN.
Consulte la hoja de datos para ver la configuración completa de patillas.
Aplicaciones típicas
ADM202JN es adecuado para 6 aplicacións: Industrial RS-232 Service Console, Data-Acquisition Equipment Interface, Legacy Peripheral Connection, Embedded Test and Measurement, Communication Adapter, Embedded Control Console.
Industrial RS-232 Service Console
The ADM202JN fits industrial service and configuration consoles that require two legacy RS-232 channels beside a controller. Its two drivers and two receivers consolidate the interface into one 16-PDIP device, while the 120 kB/s rate is suitable for command consoles, diagnostic tools, and equipment-control links. The single 5 V supply simplifies the interface rail, and the internal charge pump generates the required bipolar drive levels without a separate negative supply. Designers should still verify the UART logic levels, connector pinout, ground reference, and cable protection because the verified excerpts do not provide every timing or threshold value.
Recomendado
Data-Acquisition Equipment Interface
The ADM202JN is suitable for connecting a data-acquisition instrument or controller to an RS-232 host when the system needs two bidirectional channels and a 120 kB/s link. The dual-channel arrangement can reduce the number of separate interface components while retaining standard RS-232 line signaling. Its 0.1 µF charge-pump capacitors support a compact 5 V interface section, but the PCB must follow the datasheet capacitor placement and maintain adequate return-current paths. For instrumentation, verify grounding, isolation requirements, and transient protection before connecting external cables.
Recomendado
Legacy Peripheral Connection
The ADM202JN can bridge a modern controller to a legacy peripheral that exposes an RS-232 port rather than a differential bus. The two drivers and two receivers support full-duplex communication, making the part appropriate for command and response paths in printers, test adapters, and older industrial peripherals. Its 120 kB/s rate exceeds the throughput needed by many configuration protocols, while the single 5 V supply keeps the interface compatible with conventional digital logic sections. Check the peripheral's connector wiring, voltage levels, and flow-control requirements before design-in.
Recomendado
Embedded Test and Measurement
The ADM202JN is appropriate for embedded test systems that communicate with external instruments over RS-232. A 120 kB/s rate and two channels provide enough bandwidth and connection flexibility for automated bench control, calibration, and status polling. Because the part is in a 16-PDIP package, it is particularly useful where a through-hole socket, prototyping board, or legacy test fixture is preferable to a fine-pitch surface-mount footprint. The design should include verified logic-level compatibility, connector pin numbering, cable shielding, and protection against electrostatic discharge on exposed RS-232 lines.
Recomendado
Communication Adapter
The ADM202JN can be used in a communication adapter that translates a host UART's logic signals into RS-232 line levels and receives the remote response. The integrated charge pump and dual-channel structure make it useful in compact adapters supporting two RS-232 ports from a 5 V supply. The verified data confirms ±10 V generated output levels and 120 kB/s operation, but does not establish modern ESD, isolation, or cable-length performance. Confirm the complete datasheet limits and validate the adapter with the intended connector and cable before production.
Recomendado
Embedded Control Console
The ADM202JN is suitable for embedded control consoles that need a deterministic RS-232 service port on a controller board. Its 120 kB/s capability supports configuration, logging, and supervisory commands while the two-channel architecture can handle separate transmit and receive functions. The single 5 V supply is convenient for systems already operating from a 5 V logic rail, and the through-hole package simplifies legacy through-hole assembly or socket-based maintenance. Because the exact pin names and logic thresholds are not in the verified excerpts, the board schematic must be checked against the manufacturer datasheet before fabrication.
Recomendado
Resumen de productos recomendados
Datos de referencia de ingeniería para ADM202JN — comparación, orientación de diseño e información de cumplimiento.
Guía de selección
Comparación con alternativas
| Parámetro | Este producto | ADM202E | ADM202E/CP | ADM202JNZ | MAX202IN | MAX202ID |
|---|---|---|---|---|---|---|
| Product Type | 2-channel RS-232 driver/receiver transceiver | ADM202 family RS-232 transceiver | ADM202 family RS-232 transceiver | ADM202 family RS-232 transceiver | Related RS-232 transceiver | Related RS-232 transceiver |
| Brand | Analog Devices | Analog Devices | Analog Devices | Analog Devices | Maxim Integrated | Maxim Integrated |
| Package | 16-PDIP | 16-PDIP family package | 16-PDIP family package | 16-PDIP | 16-PDIP | 16-PDIP |
Diferenciadores clave
- Two-channel transceiver in one 16-PDIP package (frente a MAX202IN)
- 0.1 µF charge-pump capacitors (frente a MAX202ID)
- 120 kB/s specified transmission rate (frente a ADM202E)
- Single 5 V implementation with generated bipolar levels (frente a ADM202JNZ)
Notas de diseño
The ADM202JN uses a single 5 V supply, and the verified data specifies a 4.5 V to 5.5 V range. Place the supply bypass capacitor close to the device power pin according to the manufacturer layout guidance, and route the return current directly to the device ground. The internal charge pump generates bipolar drive voltage, so the design should not assume a separate negative rail is available. Confirm the exact capacitor pins and stability layout against the datasheet before fabrication.
Keep the charge-pump capacitor loop compact because the verified ADM202 data identifies 0.1 µF external capacitors. Short connections reduce switching-loop area and help maintain predictable driver behavior. Route the logic-side traces away from the RS-232 connector and cable-side nets, maintain a continuous ground reference, and place any protection components where they can clamp external transients without disturbing the transceiver. The supplied data does not specify the recommended PCB stack-up or trace widths.
Do not substitute a functionally similar RS-232 IC solely because it also uses a 5 V supply. Verify all 16 pins, logic thresholds, receiver hysteresis, driver timing, temperature grade, and charge-pump capacitor values. The public cross-reference material suggests relationships among ADM202E and MAX202E/MAX232E sockets, but it does not establish that every MAX202 or ADM203 variant is a drop-in replacement. Treat the alternatives list as candidates for engineering review until the exact datasheets are checked.
RS-232 is a single-ended bipolar interface, so cable routing, grounding, and connector shields are important in industrial environments. Keep the transceiver and charge-pump section away from high-current switching paths, provide a low-impedance ground connection, and verify external transient protection at the connector. The verified product description states TIA/EIA-232-E and V.28 compatibility, but it does not provide a complete EMC test report or cable-length guarantee. Validate the final assembly in the intended enclosure.
Información de cumplimiento
The supplied excerpts do not explicitly state RoHS, REACH, lead-free, halogen-free, or conflict-minerals status. Obtain current compliance documentation from Analog Devices or an authorized distributor before making regulatory claims.
