ISO7731BDWR
Digital Isolator CMOS 3-CH 100Mbps 16-Pin SOIC T/R
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Part Number : ISO7731BDWR
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Package/Case : SOIC-16
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Brands : TI
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Datesheet : ISO7731BDWR DataSheet (PDF)
Overview of ISO7731BDWR
The ISO7731BDWR is a reliable and robust digital isolator designed to meet the stringent requirements of modern electronic systems. Its triple-channel configuration and high isolation ratings ensure safe operation in demanding environments. With enhanced electromagnetic immunity and low power consumption, the ISO773x family provides a high level of performance while minimizing interference and energy usage. The inclusion of enable pins further enhances the versatility of this device, allowing for flexible output configurations to meet specific application needs
Key Features
- 100 Mbps data rate
- Robust isolation barrier:
- >100-year projected lifetime at 1500 VRMS working voltage
- Up to 5000 VRMS isolation rating
- Up to 12.8 kV surge capability
- ±100 kV/µs typical CMTI
- Wide supply range: 2.25 V to 5.5 V
- 2.25-V to 5.5-V Level translation
- Default output high (ISO773x) and low (ISO773xF) options
- Wide temperature range: –55°C to +125°C
- Low power consumption, typical 1.5 mA per channel at 1 Mbps
- Low propagation delay: 11 ns Typical (5-V Supplies)
- Robust electromagnetic compatibility (EMC)
- System-level ESD, EFT, and surge immunity
- ±8 kV IEC 61000-4-2 contact discharge protection across isolation barrier
- Low emissions
- Wide-SOIC (DW-16) and QSOP (DBQ-16) package options
- Automotive version available: ISO773x-Q1
- Safety-related certifications:
- DIN EN IEC 60747-17 (VDE 0884-17)
- UL 1577 component recognition program
- IEC 61010-1, IEC 62368-1, IEC60601-1, and GB 4943.1 certifications
Specifications
The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.
| Rating | Catalog | Integrated isolated power | No |
| Isolation rating | Basic, Reinforced | Number of channels | 3 |
| Forward/reverse channels | 2 forward / 1 reverse | Default output | High, Low |
| Data rate (max) (MBps) | 100 | Surge isolation voltage (VIOSM) (VPK) | 6400, 7800, 12800 |
| Transient isolation voltage (VIOTM) (VPK) | 4242, 8000 | Withstand isolation voltage (VISO) (Vrms) | 3000, 5000 |
| CMTI (min) (V/µs) | 85000 | Operating temperature range (°C) | -55 to 125 |
| Supply voltage (max) (V) | 5.5 | Supply voltage (min) (V) | 2.25 |
| Propagation delay time (typ) (µs) | 0.0107 | Current consumption per channel (DC) (typ) (mA) | 0.97 |
| Current consumption per channel (1 Mbps) (typ) (mA) | 1.53 | Creepage (min) (mm) | 3.7, 8 |
| Clearance (min) (mm) | 3.7, 8 |
Warranty & Returns
Warranty, Returns, and Additional Information
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QA & Return Policy
Parts Quality Guarantee: 365 days
Returns for refund: within 90 days
Returns for Exchange: within 90 days
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Parts Packaging Guarantee: Featuring 100% ESD anti-static protection, our packaging incorporates high toughness and superior buffering capabilities.
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