ISO7742DBQR vs ISO7740FQDBQQ1 Comparison
Detailed side-by-side comparison of ISO7742DBQR by Texas Instruments and ISO7740FQDBQQ1 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
ISO7742DBQR - Quad-Channel Digital Isolator, 100Mbps, 3kVrms | Texas Instruments
ISO7742DBQR ✓ ActiveTexas Instruments
ISO7740FQDBQQ1 - Automotive Quad-Channel Digital Isolator | Texas Instruments
ISO7740FQDBQQ1 ✓ ActiveSpecification Comparison
| Parameter | ISO7742DBQR | ISO7740FQDBQQ1 |
|---|---|---|
| Brand | Texas Instruments | Texas Instruments |
| Category | Interface ICs | Interface ICs |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $2.10 | $2.69 |
| Number of Channels | 4 | 4 (4 forward / 0 reverse) |
| Channel Configuration | 2 Forward / 2 Reverse (2/2) | — |
| Isolation Rating | 3000 Vrms (UL 1577, DBQ package) | — |
| Data Rate | 100 Mbps | — |
| Common-Mode Transient Immunity (CMTI) | 85 kV/µs (minimum) | 85 kV/µs (minimum) |
| Propagation Delay (typical) | 11 ns (5V operation) | 10.7 ns |
| 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 | -40 °C to +125 °C (AEC-Q100 Grade 1) |
| Package | 16-SSOP (DBQ), 0.154" (3.90 mm) wide-body | 16-SSOP (DBQ), 3.90 mm body width |
| Mounting Type | Surface Mount | — |
| Fail-Safe Output | Default High | — |
| MSL Level | 2 (1 year) | — |
| RoHS Status | Compliant | Compliant |
| UL 1577 Certification | Reinforced Insulation | — |
| IEC ESD (61000-4-2) Contact | ±8 kV | — |
| IEC EFT (61000-4-4) | ±4 kV | — |
| Isolation Type | — | Capacitive (SiO2 barrier) |
| Forward/Reverse Channels | — | 4 / 0 |
| Maximum Data Rate | — | 100 Mbps |
| Isolation Rating (DBQ package) | — | 3000 Vrms (UL 1577) |
| 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) |
| 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) |