7f4147ce73c5882af0ee3b40d79287ae

Микросхема MAX253EPA+, RS485/422 драйвер, Ind PDIP8

Поставка электронных компонентов в Челябинск

470,40 руб.

x 470,40 = 470,40
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Склад №110-12 дней470,40руб.437,47руб.423,36руб.413,95руб.399,84руб.376,32руб.366,91руб.
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Склад №25-7 дней884,35руб.813,79руб.799,68руб.780,86руб.752,64руб.710,30руб.691,49руб.
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Склад №35-7 дней898,46руб.827,90руб.809,09руб.790,27руб.752,64руб.715,01руб.700,90руб.
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Склад №410 дней564,48руб.517,44руб.508,03руб.493,92руб.479,81руб.451,58руб.437,47руб.
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Склад №57 дней818,50руб.752,64руб.733,82руб.719,71руб.696,19руб.653,86руб.635,04руб.
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Склад №610-12 дней512,74руб.475,10руб.460,99руб.451,58руб.437,47руб.409,25руб.399,84руб.

Характеристики

MAX253EPA+, RS485/422 драйвер, Ind PDIP8The MAX253EPA+ is a transformer driver for isolated RS485 interface in 8 pin DIP package. It is a monolithic oscillator/power-driver specifically designed to provide isolated power for an isolated RS485 or RS232 data interface. The device drives a centre-tapped transformer primary from a 5V or 3.3V DC power supply. The secondary can be wound to provide any isolated voltage needed at power levels up to 1W. It consists of a CMOS oscillator driving a pair of N-channel power switches. The oscillator runs at double the output frequency, driving a toggle flip flop to ensure 50% duty cycle to each of the switches. Internal delays are arranged to ensure break before make action between the two switches. The SD pin puts the entire device into a low-power shutdown state, disabling both the power switches and oscillator. It is used in high noise-immunity communications interface, isolated and/or high-voltage power supplies and bridge ground differentials.

• Supply voltage range is 2.5V to 6V
• Operating temperature range from -40°C to 85°C
• Shutdown supply current is 0.4µA
• Pin-selectable frequency of 350KHz or 200KHz
• Maximum on-resistance of switch is 4ohm
• Maximum operating supply current is 5mA