LDD400P Series 400 mA Laser Diode Drivers
- Low Noise - up to 400 mA LD current
- Small size: 1.3" x 2.05" x 0.43"
- Single supply operation: +5 to +12 V
- Onboard control trimpots
- 8-pin DIP package
- Slow Start & Current Limit Protection
- Constant Current mode
- Bandwidth 2MHz (CC, sine wave)
- Buffered measurement output
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All prices are in US dollars. Prices do not include shipping charges. All prices will be confirmed at time of shipment and may include pass-through tariff estimates.
If ordering from or shipping to Australia, China, or Hong Kong, please contact your distributor.
Low noise: 5 µA RMS noise at full scale
24 Hour Current Stability at ambient 25°C: 50 ppm
Supply Range: 5 – 12 V
Small 8-pin package: 33 x 52 x 11 mm
Current Ramp: 300 msec to full scale
Rise / Fall times: 100 nsec to full scale
Enable / Disable: via Modulation Input. +5 V = OFF — GND = ON
Bandwidth: 2 MHz – Constant Current sine wave
Maximum Power Dissipation: 2.5 W
Top View of LDD 1P Series Laser Diode Driver

Top View of LDD 2P Series Laser Diode Driver

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- AN-LD13: Laser Diode Driver Basics
- AN-LD16: Grounding with Special Laser Diode Configurations
- AN-LD17: Photodiode Basics - Selection and Operation
- AN-LD18: Optimizing Laser Diode Control
- AN-LDTC01: The Principle of the Safe Operating Area
- AN-LDTC02: Environmental Regulation Compliance Guide
- AN-LDTC03: Power Supply Basics
- AN-LDTC04: Test Load Basics
- AN-LDTC05: Bandwidth Basics
- AN-LDTC06: ESD Basics
- AN-LDTC07: Tips on Improving Manufacturability
- AN-LDTC08: Product Selection & Comparison
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- CS-LDTC02: Portable Shifted Excitation Raman Difference Spectrometer For In-Situ Field Measurements
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