ADUM1251ARZ vs ISO1540D Comparison
Detailed side-by-side comparison of ADUM1251ARZ by Analog Devices and ISO1540D by Texas Instruments. Compare key specifications, electrical parameters, packaging, lifecycle status, pricing, and availability to determine the best component for your design requirements.
Specification Comparison
| Parameter | ADUM1251ARZ | ISO1540D |
|---|---|---|
| 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 | $2.20 |
| Isolation Voltage | 2500 Vrms | 2500 Vrms |
| Number of Channels | 2 | 2 (SCL, SDA) |
| Data Rate | 1 Mbps | 1 Mbps (1 MHz I2C fast-mode) |
| Common Mode Transient Immunity | 25 kV/µs | — |
| Propagation Delay | 162 ns | 67 ns (typical) |
| Supply Voltage Range | 3 V to 5.5 V | 3 V to 5.5 V |
| Package | 8-SOIC (0.154", 3.90mm Width) | 8-SOIC (0.154in, 3.90mm width) |
| Operating Temperature Range | -40°C to +125°C | — |
| Interface Type | I2C | — |
| Hot-Swap Capable | Yes | — |
| Bidirectional Channels | Yes | — |
| RoHS Status | Compliant | Compliant |
| Lead-Free | Yes | — |
| Mounting Type | Surface Mount | Surface Mount |
| Number of Pins | 8 | — |
| Isolation Type | — | Bidirectional I2C isolator |
| CMTI | — | 25 kV/us |
| Side 1 Sink Current | — | 3.5 mA |
| Side 2 Sink Current | — | 35 mA |
| Output Type | — | Open-drain |
| Operating Temperature | — | -40C to +125C |
| Isolation Technology | — | Capacitive, SiO2 barrier |