ISO7740FQDBQQ1 vs ISO7742DBQR Comparison
Detailed side-by-side comparison of ISO7740FQDBQQ1 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
ISO7740FQDBQQ1 - Automotive Quad-Channel Digital Isolator | Texas Instruments
ISO7740FQDBQQ1 ✓ ActiveTexas Instruments
ISO7742DBQR - Quad-Channel Digital Isolator, 100Mbps, 3kVrms | Texas Instruments
ISO7742DBQR ✓ ActiveSpecification Comparison
| Parameter | ISO7740FQDBQQ1 | ISO7742DBQR |
|---|---|---|
| Brand | Texas Instruments | Texas Instruments |
| Category | Interface ICs | Interface ICs |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $2.69 | $2.10 |
| Isolation Type | Capacitive (SiO2 barrier) | — |
| Number of Channels | 4 (4 forward / 0 reverse) | 4 |
| Forward/Reverse Channels | 4 / 0 | — |
| Maximum Data Rate | 100 Mbps | — |
| Isolation Rating (DBQ package) | 3000 Vrms (UL 1577) | — |
| Common-Mode Transient Immunity (CMTI) | 85 kV/µs (minimum) | 85 kV/µs (minimum) |
| Propagation Delay (typical) | 10.7 ns | 11 ns (5V operation) |
| Pulse-Width Distortion | <3 ns | — |
| Supply Voltage Range (each side) | 2.25 V to 5.5 V | — |
| Default Output (F variant) | High | — |
| Quiescent Current per Channel | 1.5 mA (typ, 100 Mbps) | — |
| Operating Temperature Range | -40 °C to +125 °C (AEC-Q100 Grade 1) | -55°C to +125°C |
| Package | 16-SSOP (DBQ), 3.90 mm body width | 16-SSOP (DBQ), 0.154" (3.90 mm) wide-body |
| Creepage / Clearance (DBQ) | 8 mm | — |
| Automotive Qualification | AEC-Q100 Grade 1 (Q1 suffix) | — |
| Insulation Type | Reinforced (per VDE/CSA/TUV/CQC) | — |
| ESD Rating (HBM) | ±6000 V (per datasheet) | — |
| RoHS Status | Compliant | Compliant |
| Channel Configuration | — | 2 Forward / 2 Reverse (2/2) |
| Isolation Rating | — | 3000 Vrms (UL 1577, DBQ package) |
| Data Rate | — | 100 Mbps |
| 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 |
| Mounting Type | — | Surface Mount |
| Fail-Safe Output | — | Default High |
| MSL Level | — | 2 (1 year) |
| UL 1577 Certification | — | Reinforced Insulation |
| IEC ESD (61000-4-2) Contact | — | ±8 kV |
| IEC EFT (61000-4-4) | — | ±4 kV |