The SY100EL1003 is a high-speed current source used to drive a semiconductor laser diode in optical transmission applications. It operates at up to 1.25Gbps and has a peak drive current of 75mA. The device has differential inputs for data, separate modulation control and output enable pins for laser safety. It operates with a single power supply and is available in a 16-pin SOIC package.
The SY100EL1003 is a high‑speed current source for driving semiconductor laser diodes in optical transmission applications. It offers up to 1.25 Gbps operation, a single‑supply design, and separate modulation and output‑enable controls for laser safety.
The document lists pin assignments, absolute maximum ratings, electrical characteristics, performance curves, and ordering information for the 16‑pin SOIC package. It also includes application notes on layout, power‑dissipation resistors, and recommended supply bypass capacitors.
| Peak drive current | 75 mA |
|---|---|
| Supply voltage (VEE) | 0 to -7.0 V |
| Input voltage (VI) | 0 to -6.0 V |
| Power dissipation (max) | 500 mW |
| Operating temperature range | -40 °C to +85 °C |
| RSET resistor range | 10 kΩ to 100 kΩ |
| REXT resistor range | 10 kΩ to 50 kΩ |
| Package | 16‑pin SOIC |
The device can source up to 75 mA peak drive current.
The laser driver current is adjustable by selecting an external resistor RSET.
It operates from a single power supply with VEE ranging from 0 to –7.0 V.
Maximum ratings include VEE 0 to –7.0 V, VI 0 to –6.0 V, output current 75 mA, power dissipation 500 mW, and temperature –40 °C to +85 °C.