Nanotech Semiconductor - NT2103x - 50 Mbps LED/RCLED/VCSEL Driver


NT2103x - 50 Mbps LED/RCLED/VCSEL Driver	back to LED/VCSEL/Laser Driver Products

Main Features

General Description

Up to 40 mA drive current

The NT2103x is a full-custom CMOS IC designed for high-speed RCLED, LED or VCSEL drivers.

In order to make the NT2103x as flexible as possible there are multiple features that can be programmed:

• Optical Emitter type – different output stages can be engaged for different emitter types.

• Temperature compensation – to minimise the effects of temperature on the output power of a specific device.

• Pulse width adjust – to compensate for optical-emitters with different rise and fall times.

• Peaking – for LEDs peaking can be useful for improving the 'on' time. The amount of peaking can be varied.

The drive current can be set by an external Resistor.

Fabricated in standard high-volume, low cost, 'digital' CMOS process

Less than 48 mA total current consumption (assuming 40 mA drive current)

Single ended TTL input

Supports all optical-emitter types, with programmed on-chip temperature compensation and pulse width adjust

Supports both 3.3 V and 5 V supplies

High temperature operation (up to 120°C junction temperature)

Sleep Current less than 1 mA (can be disabled)

No external components within FOT required

Chip Padout

Bare die – 990 µm x 860 µm (including scribe)
Pad pitch 150 µm, pad size 96 µm

Functional Block Diagram

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