HCPL-4504 – TBC
3.75 kV, Single-Channel Transistor Optoisolator, 8‑DIP
Stock Quantity: 32
Selling Unit: Each
| Quantity | Price (ex VAT) |
|---|---|
| 1+ | 2.92 |
| 10+ | |
| 50+ | |
| 100+ |
32 in stock
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- 6 month warranty on all stock items
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Overview
The Broadcom HCPL-4504 is a high-speed optocoupler designed for robust digital signal isolation, featuring a phototransistor output capable of reliably transmitting data up to 1 Mb/s. Its critical operational characteristic lies in its 3750 Vrms isolation voltage, safeguarding sensitive control circuitry from high-voltage transients and ground loops. A key design consideration when implementing this device is managing the trade-off between its relatively low output current (8 mA max) and the required switching speed; achieving optimal performance necessitates careful selection of collector load resistors to balance speed with sufficient drive capability for subsequent logic stages.
Key Features
- 1 Mb/s Maximum Data Rate
- 3750 Vrms Isolation Voltage
- 1 Channel Phototransistor Output
- 65% Minimum Current Transfer Ratio (CTR)
- 25 mA Maximum Forward Current (If)
- PDIP-8 Package (9.65 mm x 6.35 mm x 3.56 mm)
Applications
The component is engineered for deployment in systems requiring high reliability and performance under specific operating conditions. It provides functional stability across the stated design envelope.
- Digital isolation for industrial motor control interfaces
- High-speed data transmission in noisy environments
- Power supply unit control signal isolation
- Interfacing microcontrollers to high-voltage AC line detection circuits
