| Part Number | ISL1557IRZ | ISL1550IRZ |
|---|---|---|
| Manufacturer | Renesas Electronics America Inc | Renesas Electronics America Inc |
| Category | Interface - Telecom | Interface - Telecom |
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| Product Status | Active | Obsolete |
| Function | Line Interface Unit (LIU) | Line Driver |
| Interface | - | - |
| Number of Circuits | 2 | 1 |
| Voltage - Supply | ±2.25V ~ 6V, 4.5V ~ 12V | ±4V ~ 6.6V, 8V ~ 13.2V |
| Current - Supply | 6mA | - |
| Power (Watts) | - | - |
| Operating Temperature | -45°C ~ 85°C | -40°C ~ 85°C |
| Mounting Type | Surface Mount | Surface Mount |
| Package / Case | 16-VQFN Exposed Pad | 16-TFQFN Exposed Pad |
| Supplier Device Package | 16-QFN (4x4) | 16-QFN (4x4) |