ADUM1251ARZ vs ISO1640BDR Comparison
Detailed side-by-side comparison of ADUM1251ARZ by Analog Devices and ISO1640BDR 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
ISO1640BDR - Hot-Swappable Bidirectional I2C Isolator | Texas Instruments
ISO1640BDR ✓ ActiveSpecification Comparison
| Parameter | ADUM1251ARZ | ISO1640BDR |
|---|---|---|
| Brand | Analog Devices | Texas Instruments |
| Category | Interface ICs | Interface ICs |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $4.23 | $2.05 |
| Isolation Voltage | 2500 Vrms | — |
| Number of Channels | 2 | 2 (bidirectional SDA + SCL) |
| Data Rate | 1 Mbps | 1.7 Mbps (max, Fast-Mode Plus I2C) |
| Common Mode Transient Immunity | 25 kV/µs | — |
| Propagation Delay | 162 ns | — |
| Supply Voltage Range | 3 V to 5.5 V | — |
| Package | 8-SOIC (0.154", 3.90mm Width) | 8-SOIC (D) 0.154 inch / 3.90 mm width |
| Operating Temperature Range | -40°C to +125°C | — |
| Interface Type | I2C | — |
| Hot-Swap Capable | Yes | — |
| Bidirectional Channels | Yes | — |
| RoHS Status | Compliant | Compliant (RoHS & Green per PartGenie) |
| Lead-Free | Yes | — |
| Mounting Type | Surface Mount | Surface Mount |
| Number of Pins | 8 | — |
| Function | — | Bidirectional I2C Digital Isolator |
| Isolation Rating (UL 1577) | — | 3000 Vrms (8-D package) |
| CMTI | — | 50 kV/us (minimum) |
| 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 |
| Pins | — | 8 |
| MSL Level | — | 2 / 260 C / 1 year (per PartGenie) |
| Family | — | ISO1640 / ISO1641 / ISO1642 / ISO1643 / ISO1644 |