Features
- IEC 61000 ESD protection on RS-485 I/O pins: ±10kV
- Class 3 ESD level on all other pins: >7kV HBM
- ±3kV EFT immunity of bus I/O pins
- Full fail-safe (open, short, terminated/floating) receivers
- Hot plug - Tx and Rx outputs remain three-state during power-up
- True 1/8 unit load allows up to 256 devices on the bus
- Single 3.3V supply
- High data rates: up to 500Kbps
- Low quiescent supply current: 800μA (Max)
- Ultra-low shutdown supply current: 10nA
- -7V to +12V common-mode input/output voltage range
- Half and full duplex pinouts
- Current limiting and thermal shutdown for driver overload protection
- Tiny MSOP packages consume 50% less board space
- Pb-free (RoHS compliant)
Description
The RAA788173 3V full-duplex powered RS-485/RS-422 transceiver features a high output drive and high EFT and ESD protection. The device is immune to ±3kV IEC 61000-4-4 EFT transients and can withstand up to ±10kV IEC 61000-4-2 ESD strikes without latch-up.
The RAA78817x family includes half and full-duplex transceivers with active-high driver-enable pins and active-low receiver-enable pins. These transceivers support data rates of 250kbps, 500kbps, and 20Mbps with a performance that is characterized from -40 °C to +85 °C.
Parameters
| Attributes | Value |
|---|---|
| Temp. Range (°C) | -40 to +105°C, -40 to +125°C |
| Devices Allowed on Bus | 256 |
Applications
- Industrial networks in factory automation
- Building automation: lighting, elevators, HVAC
- Industrial process control networks
- Security camera networks
- Networks with a star topology
- Long-haul networks in coal mines and oil rigs
- High node-count networks
- Automated utility e-meter reading systems
| Part Number | Status | Samples | Stock | RoHS | Package | Budgetary Price (USD) | Lead Count (#) | Carrier Type | Moisture Sensitivity Level (MSL) | Pitch (mm) | Pkg. Dimensions (mm) | Pb (Lead) Free | Pb Free Category | Country of Assembly | Country of Wafer Fabrication |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| RAA7881732GSP#AB0 | Active | Available | In Stock | RoHS:EN | SOIC | 1ku | $0.81 | 14# | Tube | 3 | 1.3mm | 8.7 x 3.9 x 0.00 | Yes | Pb-Free 100% Matte Tin Plate w/Anneal-e3 | CHINA, TAIWAN | USA |
| RAA7881732GSP#HB0 | Active | N/A | Out of Stock | RoHS:EN | SOIC | 1ku | $0.81 | 14# | Reel | 3 | 1.3mm | 8.7 x 3.9 x 0.00 | Yes | Pb-Free 100% Matte Tin Plate w/Anneal-e3 | CHINA, TAIWAN | USA |
| RAA7881732GSU#AB0 | Active | Available | In Stock | RoHS:EN | MSOP | 1ku | $0.81 | 10# | Tube | 2 | 0.5mm | 3.0 x 3.0 x 0.85 | Yes | Pb-Free 100% Matte Tin Plate w/Anneal-e3 | MALAYSIA | USA |
| RAA7881732GSU#HB0 | Active | N/A | Out of Stock | RoHS:EN | MSOP | 1ku | $0.81 | 10# | Reel | 2 | 0.5mm | 3.0 x 3.0 x 0.85 | Yes | Pb-Free 100% Matte Tin Plate w/Anneal-e3 | MALAYSIA | USA |
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- TrainingPDF 719 KB R15TB0008EU0100 Rev.1.00 Dec 18, 2023
- TrainingPDF 762 KB R15TB0007EU0100 Rev.1.00 Dec 04, 2023
- TrainingPDF 208 KB R15TB0004EU0100 Rev.1.00 Oct 26, 2023
- DatasheetRAA788170/172/173/175/176/178 DatasheetRECOMMENDEDPDF 817 KB R15DS0017EU0101 Rev.1.01 Oct 02, 2023
- TrainingPDF 405 KB R15TB0003EU0100 Rev.1.00 Jun 26, 2023
- TrainingPDF 239 KB R15TB0002EU0100 Rev.1.00 Jun 21, 2023
- Application NotePDF 382 KB R15AN0012EU0100 Rev.1.00 Aug 24, 2022AI-generated Summary: The document details the immunity of the RAA78817x family of 3.3V RS-485/RS-422 transceivers against Electrical Fast Transients (EFT) as per IEC61000-4-4 standards. It explains the EFT test setup, including burst characteristics and the capacitive clamp method, and presents test results showing these transceivers withstand 3kV EFT pulses at 5kHz and 100kHz repetition rates without latch-up. The test setup involves simultaneous testing of two devices with data transmission monitored via oscilloscopes. The document also highlights the importance of transient voltage suppressors and bypass capacitors for protection. Parametric performance is verified post-test using automated test equipment, confirming compliance with IEC61000-4-4 level 4 requirements.
- Technical BriefPDF 188 KB R70TB0002EU0100 Rev.1.00 May 17, 2022
- DatasheetRAA788170/172/173/175/176/178 DatasheetRECOMMENDEDPDF 817 KB R15DS0017EU0101 Rev.1.01 Oct 02, 2023
Recommended Documents (1)
- DatasheetRAA788170/172/173/175/176/178 DatasheetRECOMMENDEDPDF 817 KB R15DS0017EU0101 Rev.1.01 Oct 02, 2023
Datasheets (1)
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- Application NotePDF 382 KB R15AN0012EU0100 Rev.1.00 Aug 24, 2022AI-generated Summary: The document details the immunity of the RAA78817x family of 3.3V RS-485/RS-422 transceivers against Electrical Fast Transients (EFT) as per IEC61000-4-4 standards. It explains the EFT test setup, including burst characteristics and the capacitive clamp method, and presents test results showing these transceivers withstand 3kV EFT pulses at 5kHz and 100kHz repetition rates without latch-up. The test setup involves simultaneous testing of two devices with data transmission monitored via oscilloscopes. The document also highlights the importance of transient voltage suppressors and bypass capacitors for protection. Parametric performance is verified post-test using automated test equipment, confirming compliance with IEC61000-4-4 level 4 requirements.
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Overview of the key features, advantages and target applications for the RAA78817x family of 3.3V RS-485/422 transceivers with +/-3kV EFT immunity and the RAA78815x family of 5V RS-485/422 transceivers with +/-5KV EFT immunity.
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