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LT1818CS5

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File Size : 116 KB Manufacturer:LINEAR Description:The T0800 is a laser diode driver for the operation of two different, grounded laser diodes for DVD-RAM (650 nm) and CD-RW (780 nm). It includes five channels for five different optical power levels which are controlled by a separate IC. The read channel generates a continuous output level. The channels 2 to 5 are provided as write chan- nels with very fast switching speeds. When a low signal is applied to the NE pins, write current pulses are enabled. All channels are summed together and switched to one of the two outputs IOUTA or IOUTB by the select input SELA. Each channel can contrib- ute up to 200 mA to the total output current of up to 250 mA. A total gain of 100 is provided between each reference current input and the selected output. Although the reference inputs are current inputs, voltage control is possible by using external resis- tors. An on-chip RF oscillator reduces laser mode hopping noise during read mode. Frequency and swing can be set independently for the two selectable outputs with two pairs of resistors. Oscillation is enabled by a high signal at the ENOSC pin. Complete output current and oscillator switch-off is achieved by a low signal at the ENABLE input.

	1PCS	100PCS	1K	10K
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型号：LT1818CS5 厂家：LINEAR 封装：SOT-23 批号：08+ 数量：157 说明：QQ：104735486 611606076


运费：运费到付10.00元（快递）20.00元（顺风）所在地：深圳新旧程度：