ISO7742FDBQR vs ISO7742DBQR Comparison
Detailed side-by-side comparison of ISO7742FDBQR by Texas Instruments and ISO7742DBQR 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
ISO7742FDBQR - 100Mbps 4-Ch Reinforced Digital Isolator | TI
ISO7742FDBQR ✓ ActiveTexas Instruments
ISO7742DBQR - Quad-Channel Digital Isolator, 100Mbps, 3kVrms | Texas Instruments
ISO7742DBQR ✓ ActiveSpecification Comparison
| Parameter | ISO7742FDBQR | ISO7742DBQR |
|---|---|---|
| Brand | Texas Instruments | Texas Instruments |
| Category | Digital Isolators | Interface ICs |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $2.35 | $2.10 |
| Isolation Type | Reinforced (robust-EMC) | — |
| Isolation Rating | 3000 Vrms | 3000 Vrms (UL 1577, DBQ package) |
| Number of Channels | 4 (2 forward / 2 reverse) | 4 |
| Max Data Rate | 100 Mbps | — |
| CMTI | 85 kV/us minimum | — |
| Supply Voltage Range (VCCI) | 2.25 V to 5.5 V | — |
| Supply Voltage Range (VDD) | 2.25 V to 5.5 V | — |
| Fail-Safe Output | Default low (F suffix) | Default High |
| Operating Temperature | -55C to +125C | — |
| Package | 16-SSOP (DBQ), 3.90 mm width | 16-SSOP (DBQ), 0.154" (3.90 mm) wide-body |
| Mounting Type | Surface Mount | Surface Mount |
| Isolation Technology | Capacitive (oxide barrier) | — |
| Barrier Lifetime | > 30 years at rated working voltage | — |
| Integrated Isolated Power | No | — |
| Rating | Catalog | — |
| Series | ISO774x | — |
| Channel Configuration | — | 2 Forward / 2 Reverse (2/2) |
| Data Rate | — | 100 Mbps |
| Common-Mode Transient Immunity (CMTI) | — | 85 kV/µs (minimum) |
| Propagation Delay (typical) | — | 11 ns (5V operation) |
| Pulse-Width Distortion (max) | — | 2.5 ns |
| Supply Voltage Range (VCC1, VCC2) | — | 2.25 V to 5.5 V |
| Quiescent Current per Channel (typ @ 1 Mbps) | — | 100 µA |
| Operating Temperature Range | — | -55°C to +125°C |
| MSL Level | — | 2 (1 year) |
| RoHS Status | — | Compliant |
| UL 1577 Certification | — | Reinforced Insulation |
| IEC ESD (61000-4-2) Contact | — | ±8 kV |
| IEC EFT (61000-4-4) | — | ±4 kV |