DS275

Transceiver Chip, DIP, -0.3 to +7.0 volts

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Price:: US $1.50~2.00 / piece [Get Latest Price]

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	US $1.50~2.00

PartNumber:: DS275

Brand:: Dallas Semiconductor - Maxim | Pack: DIP | D/C: 07+

Availability:: Supply Ability: 10000/Week Can Ship Immediately
Delivery: 10-15 Business Days (ships out within 3 Business days)

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Products Upload time: 2011-07-04

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Part Number:DS275
US $1.50 - 2.00
ECA1HHG220

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Product Summary

The DS275 Line-Powered RS-232 Transceiver Chip is a CMOS device that provides a low-cost, very low-power interface to RS-232 serial ports. The receiver input translates RS-232 signal levels to common CMOS/TTL levels. The transmitter employs a unique circuit which steals current from the receive RS-232 signal when that signal is in a negative state (marking). Since most serial communication ports remain in a negative state statically, using the receive signal for negative power greatly reduces the DS275’s static power consumption. This feature is especially important for battery-powered systems such as laptop computers, remote sensors, and portable medical instruments. During an actual communication session, the DS275’s transmitter will use system power (5-12 volts) for positive transitions while still employing the receive signal for negative transitions.

Parametrics

DS275 absolute maximum ratings: (1)VCC: -0.3 to +7.0 volts; (2)VDRV: -0.3 to +13.0 volts; (3)RXIN: ±15 volts; (4)TXIN: -0.3 to VCC + 0.3 volts; (5)TXOUT: ±15 volts; (6)RXOUT: -0.3 to VCC + 0.3 volts; (7)Storage Temperature: -55℃ to +125℃; (8)Operating Temperature: 0℃ to 70℃.

Features

DS275 features: (1)Low-power serial transmitter/receiver for battery-backed systems; (2)Transmitter steals power from receive signal line to save power; (3)Ultra-low static current, even when connected to RS-232-E port; (4)Variable transmitter level from +5 to +12 volts; (5)Compatible with RS-232-E signals; (6)Available in 8-pin, 150 mil wide SOIC package (DS275S); (7)Low-power CMOS.