Alternatives to Analog Devices LT1138ACSW
Analog Devices LT1138ACSW and its qualified second sources, compared on form/fit/function, stock, lifecycle and price — the same checks Parter runs inside a BOM.
 LT1138ACSWAnalog Devices |  LT1138ACSW#PBFRochester Electronics | MAX3238EIDWTexas Instruments | +2more | |
|---|---|---|---|---|
| FFF Compatibility | Identical pinout, package footprint, and pin configurations as the original LT1138ACSW.Identical 28-lead SOIC Wide (SW-28) package dimensions and thermal attributes.Identical 250kbps baud rate, 5V supply operation, and integrated shutdown control. | Completely different pinout assignment requires a physical board layout redesign.Standard SOIC-28 Wide (DW-28) package footprint with matching board land pattern dimensions.Supports 5 drivers, 3 receivers, identical 250kbps data signaling rate, and system compatibility. | ||
 AI Summary | LT1138ACSW by Analog Devices: 5/3 Transceiver Full RS232 28-SOIC. | This is an officially licensed, authorized direct replacement manufactured from original design files. It serves as an identical form, fit, and functional drop-in requiring no PCB redesign.
| An active, modern industry-standard RS-232 transceiver that matches the 5-driver / 3-receiver layout of the original part. It functions identically from a software/system standpoint but has a completely different pinout, requiring a board layout redesign.
| |
| Lifecycle Status | Obsolete | Unknown | Unknown | |
| Market Availability | Non-stock | Unknown | Unknown | |
| REACH | REACH | Unknown | Unknown | |
| RoHS | RoHS | Unknown | Unknown | |
| Description | 5/3 Transceiver Full RS232 28-SOIC | This is an officially licensed, authorized direct replacement manufactured from original design files. It serves as an identical form, fit, | An active, modern industry-standard RS-232 transceiver that matches the 5-driver / 3-receiver layout of the original part. It functions iden | |
| Manufacturer | Analog Devices | Rochester Electronics | Texas Instruments | |
| Type | Interface | Component | Component | |
| Datasheet | Open | N/A | N/A | |
| Lead Time | 8 weeks | Unknown | Unknown | |
| Country of Origin | - | - | - | |
| Export Control Class Number | EAR99 | EAR99 | EAR99 | |
| HTSUS Code | 8542.39.0060 | - | - | |
| Moisture Sensitivity Level | 1 (Unlimited) | - | - | |
| Type | Transceiver | - | - | |
| Duplex | Full | - | - | |
| Protocol | RS232 | - | - | |
| Data Rate | 250KBd | - | - | |
| Mounting Type | Surface Mount | - | - | |
| Package / Case | 28-SOIC (0.295", 7.50mm Width) | - | - | |
| Voltage - Supply | 4.5V ~ 5.5V | - | - | |
| Receiver Hysteresis | 400 mV | - | - |
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Related parts
| Part | Market availability | Lifecycle | Alternatives available |
|---|---|---|---|
 LT1468CS8Analog Devices | Non-stock | Obsolete | 5Alternatives availableSee Alternatives |
| LT1129CS8-5Analog Devices | Non-stock | Obsolete | 5Alternatives availableSee Alternatives |
 LT1211ACN8Analog Devices | Non-stock | Obsolete | 5Alternatives availableSee Alternatives |
| LT1763CS8-1.8Analog Devices | Discontinued | Obsolete | 4Alternatives availableSee Alternatives |
 LT1763CS8-2.5Analog Devices | Discontinued | Obsolete | 5Alternatives availableSee Alternatives |
| LT1763CS8-3.3Analog Devices | Discontinued | Obsolete | 3Alternatives availableSee Alternatives |
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Frequently asked questions
Yes. The Analog Devices LT1138ACSW is marked obsolete, so the manufacturer has discontinued it and any remaining supply is limited to distributor stock. The qualified second sources on this page are active parts you can design in today.
The closest qualified second sources for the Analog Devices LT1138ACSW are the LT1138ACSW#PBF (Rochester Electronics) and the MAX3238EIDW (Texas Instruments), out of 4 matched alternatives in total. Each is compared against the original on fit, form and function in the table above.
Not always. The alternatives to the LT1138ACSW are matched on function but can differ in package, pinout or a key parameter, so review the fit/form/function notes in the table and the datasheet before designing one in.
The LT1138ACSW (Analog Devices) is a part in the Interface category. This page lists qualified, cross-referenced replacements for it with a side-by-side comparison.
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