EL-E-4 / EL-E-4i Liquid Lens Drivers
The EL-E-4 / EL-E-4i lens drivers provide simple, high-precision control of electrically tunable lenses. EL-E-4 drives Optotune OEM lenses with 6-pin FPC cables in a plastic enclosure; EL-E-4i serves industrial lenses with 6-pin Hirose connectors in a steel enclosure. An open serial protocol works in any language under Windows or Linux, with source code for C#, LabVIEW, and Python. Free software supports immediate standalone use or seamless OEM integration. The compact USB-powered current source also drives LEDs and laser diodes reliably. EL-E-4 and EL-E-4i are ideal for microscopy. Product overview (not labeled technical specifications)： Model | Current range(mA) | Supply voltage(V) | Channel count | Interface type | Dimensions EL-E-4i | -290 - +290 | 5 | 1 | Hirose | 99x19x13.5 EL-E-4 | -290 - +290 | 5 | 1 | FPC | 77 x 19 x 13
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Overview
Specifications
| Parameter | Value |
|---|---|
| Dimensions | 99.05 mm × 19 mm × 13.5 mm |
| Weight | 41 g |
| Lens Mount | 6-pin Hirose interface |
| PC Interface | USB Type A |
| Maximum Output Current [Resistance-dependent] | -290 to +290 mA (depending on resistance) |
| Maximum Output Update Rate | >100 kHz |
| USB Voltage Input | 5 V |
| Power Consumption | 50–1100 mW |
| Digital-to-Analog Converter | 12 bit，Analog Devices ADN8810 |
| Microcontroller | 8 bit, 16 MHz, 32 KB Flash (Atmel ATmega32U4) |
| Connectors | 6-pin Hirose HR10G |
| Maximum Cable Length | 3 m |
| Operating Temperature | -20 - +65 °C |
| Storage Temperature | -40 - +85 °C |
Key Features
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