ISO1640BDR vs ADUM1251ARZ Comparison
Detailed side-by-side comparison of ISO1640BDR by Texas Instruments and ADUM1251ARZ by Analog Devices. Compare key specifications, electrical parameters, packaging, lifecycle status, pricing, and availability to determine the best component for your design requirements.
Texas Instruments
ISO1640BDR - Hot-Swappable Bidirectional I2C Isolator | Texas Instruments
ISO1640BDR ✓ Active
Specification Comparison
| Parameter | ISO1640BDR | ADUM1251ARZ |
|---|---|---|
| Brand | Texas Instruments | Analog Devices |
| Category | Interface ICs | Interface ICs |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $2.05 | $4.23 |
| Function | Bidirectional I2C Digital Isolator | — |
| Isolation Rating (UL 1577) | 3000 Vrms (8-D package) | — |
| Number of Channels | 2 (bidirectional SDA + SCL) | 2 |
| CMTI | 50 kV/us (minimum) | — |
| Data Rate | 1.7 Mbps (max, Fast-Mode Plus I2C) | 1 Mbps |
| Hot-Swap Support | Yes (integrated current-limited pull-ups) | — |
| Input Voltage (each side) | 2.25 V to 5.5 V | — |
| Quiescent Current | 8 mA per channel (typ, 1 MHz) | — |
| Operating Temperature | -40 C to +125 C | — |
| Package | 8-SOIC (D) 0.154 inch / 3.90 mm width | 8-SOIC (0.154", 3.90mm Width) |
| Pins | 8 | — |
| Mounting Type | Surface Mount | Surface Mount |
| MSL Level | 2 / 260 C / 1 year (per PartGenie) | — |
| RoHS Status | Compliant (RoHS & Green per PartGenie) | Compliant |
| Family | ISO1640 / ISO1641 / ISO1642 / ISO1643 / ISO1644 | — |
| Isolation Voltage | — | 2500 Vrms |
| Common Mode Transient Immunity | — | 25 kV/µs |
| Propagation Delay | — | 162 ns |
| Supply Voltage Range | — | 3 V to 5.5 V |
| Operating Temperature Range | — | -40°C to +125°C |
| Interface Type | — | I2C |
| Hot-Swap Capable | — | Yes |
| Bidirectional Channels | — | Yes |
| Lead-Free | — | Yes |
| Number of Pins | — | 8 |