MCP2122-E/SN Microchip Integrated Circuit (Small Outline Packages) In Stock
Microchip MCP2122-E/SN is an IrDA encoder/decoder IC in 8-pin SOIC package supporting standard IrDA serial communication at up to 115.2 kbps. Interfaces directly between a UART and infrared transceiver. Available from stock with worldwide shipping.
- Manufacturer
- Microchip
- Package
- Small Outline Packages
- Pin Count
- 8
- Lifecycle
- ACTIVE
- Datasheet
- MCP2122-E/SN Datasheet PDF
- Category
- Integrated Circuit
- Temp Range
- -40.0°C to 125.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- IrDA-compliant encoder/decoder supporting serial data rates up to 115.2 kbps for standard infrared communication
- Direct UART interface in compact 8-pin SOIC package enabling low-component-count infrared link design
- 3.3V to 5V supply compatibility simplifying integration with both legacy and modern microcontroller platforms
Applications
The MCP2122-E/SN is used in point-of-sale terminals, remote controls, and handheld medical devices that require short-range infrared serial data links compliant with the IrDA standard. Its direct UART interface eliminates the need for software bit-banging, reducing MCU load in systems transmitting at up to 115.2 kbps. The 8-pin SOIC package keeps board space and BOM cost minimal in portable product designs.
Specifications
| Pbfree Code | Yes |
| Manufacturer Package Code | SOIC-8 |
| Factory Lead Time | 6Weeks |
| YTEOL | 8 |
| JESD-30 Code | R-PDSO-G8 |
| JESD-609 Code | e3 |
| Number of Functions | 1 |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | SOP8,.25 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE |
| Peak Reflow Temperature (Cel) | 260 |
| Supply Voltage-Nom | 5V |
| Surface Mount | YES |
| Technology | CMOS |
| Telecom IC Type | TELECOM CIRCUIT |
| Terminal Finish | Matte Tin (Sn) |
| Terminal Form | GULL WING |
| Terminal Pitch | 1.27mm |
| Terminal Position | DUAL |
| Package | Small Outline Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.01 |
| Country of Origin | Thailand |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What data rate does MCP2122-E/SN support and which IrDA protocol modes are compatible?
The MCP2122-E/SN supports IrDA SIR mode at up to 115.2 kbps serial data rate, encoding and decoding the 3/16-pulse IrDA waveform. It connects directly between a standard UART operating at 9600 bps to 115.2 kbps and an infrared LED transceiver, removing the need for firmware pulse shaping.
For a battery-powered handheld scanner, what supply voltage range does MCP2122-E/SN require?
The MCP2122-E/SN operates from a 2.7V to 5.5V supply, making it compatible with single-cell Li-ion batteries at 3.3V as well as 5V regulated rails. Typical supply current is under 3 mA during active transmission, which helps maintain acceptable battery life in portable barcode scanner or remote terminal designs.
How does MCP2122-E/SN compare in package size to similar IrDA encoder ICs when board space is limited?
The MCP2122-E/SN uses an 8-pin SOIC package with a body measuring approximately 5 mm x 4 mm and 1.27 mm lead pitch, giving it one of the smaller footprints among through-hole-compatible IrDA encoder options. The compact SOIC-8 outline simplifies placement on boards where IR module and MCU must share a small area under 2 cm².
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