ISO1450BDW vs ISO1450BDWR Comparison
Detailed side-by-side comparison of ISO1450BDW by Texas Instruments and ISO1450BDWR by Texas Instruments. Compare key specifications, electrical parameters, packaging, lifecycle status, pricing, and availability to determine the best component for your design requirements.
Texas Instruments
ISO1450BDW - 50Mbps 5kVrms RS-485/422 Isolated Transceiver | TI
ISO1450BDW ✓ ActiveTexas Instruments
ISO1450BDWR - 50Mbps 5kVrms Isolated RS-485/RS-422 Transceiver | Texas Instruments
ISO1450BDWR ✓ ActiveSpecification Comparison
| Parameter | ISO1450BDW | ISO1450BDWR |
|---|---|---|
| Brand | Texas Instruments | Texas Instruments |
| Category | Interface ICs | Interface ICs |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $4.10 | $2.95 |
| Protocol | RS-422, RS-485 (TIA/EIA-485-A, TIA/EIA-422-B) | — |
| Number of Drivers/Receivers | 1/1 | — |
| Duplex | Half | Half |
| Maximum Data Rate | 50 Mbps | — |
| Isolation Voltage (rms) | 5000 Vrms (per UL 1577) | 5 kVrms (reinforced) |
| Working Isolation Voltage (VIOWM) | 1060 Vrms | — |
| Surge Isolation Voltage (VIOSM) | 10000 Vpk | — |
| Integrated Isolated Power | No | — |
| Supply Voltage (VCC1, VCC2) | 3 V to 5.5 V [DATA_NEEDED: each rail tolerance] | — |
| Bus Common-Mode Voltage Range | -7 V to +12 V [DATA_NEEDED: confirmed in datasheet] | — |
| Bus Pins ESD (IEC 61000-4-2) | [DATA_NEEDED: contact/air discharge level] | — |
| Bus Pins EFT (IEC 61000-4-4) | [DATA_NEEDED: transient level] | — |
| Operating Temperature Range | -40 C to +125 C | — |
| Package | SOIC-16 wide-body (DW) | SOIC-16 wide-body (DW), 16 pins |
| Mounting Type | Surface Mount | Surface Mount |
| MSL Level | 2 (1 year floor life) [DATA_NEEDED: confirm from datasheet] | 3 (per JEDEC J-STD-020) |
| RoHS Status | Compliant | Compliant |
| Function | — | Isolated half-duplex RS-485 / RS-422 transceiver |
| Data Rate (max) | — | 50 Mbps |
| Number of Drivers / Receivers | — | 1/1 |
| Receiver Hysteresis | — | [DATA_NEEDED: receiver hysteresis voltage] |
| Supply Voltage VCC1 (logic side) | — | 3 V to 5.5 V |
| Supply Voltage VCC2 (bus side) | — | Internally generated by isolated DC-DC |
| Bus Pin ESD (IEC 61000-4-2) | — | ±16 kV (air / contact, per datasheet) |
| Bus Pin ESD (HBM) | — | ±4 kV |
| IEC 61000-4-4 EFT Immunity | — | ±4 kV |
| Surge Immunity | — | [DATA_NEEDED: IEC 61000-4-5 surge rating] |
| Unit Load | — | 1/8 (up to 256 nodes on bus) |
| Common-Mode Range | — | Wide common-mode bus voltage range (per datasheet) |
| Thermal Shutdown | — | Yes |
| Current Limiting | — | Yes |
| Low-Power Standby | — | Yes |
| Operating Temperature | — | -40C to +125C |
| Compliance Standards | — | TIA/EIA-485-A, TIA/EIA-422, IEC 61000-4-2, IEC 61000-4-4 |