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DS485 Datasheet

Part Number DS485
Manufacturers National Semiconductor
Logo National Semiconductor
Description Low Power RS-485/RS-422 Multipoint Transceiver
Datasheet DS485 DatasheetDS485 Datasheet (PDF)

DS485 Low Power RS-485/RS-422 Multipoint Transceiver July 1998 DS485 Low Power RS-485/RS-422 Multipoint Transceiver General Description The DS485 is a low-power transceiver for RS-485 and RS-422 communication. The device contains one driver and one receiver. The drivers slew rate allows for operation up to 2.5 Mbps (see Applications Information section). The transceiver draws 200 µA of supply current when unloaded or fully loaded with the driver disabled and operates from a single +5V supply. .

  DS485   DS485






Part Number DS4830A
Manufacturers Maxim Integrated
Logo Maxim Integrated
Description Optical Microcontroller
Datasheet DS485 DatasheetDS4830A Datasheet (PDF)

DS4830A Optical Microcontroller General Description The DS4830A is a low-power, 16-bit microcontroller with a unique peripheral set supporting optical applications that require high-resolution conversion of many analog signals and digital signal processing (DSP) of those signals, high-speed data communication to an external host, and ultra-low power dissipation. A wide variety of optical transceiver controller applications is supported without need of external circuitry, thereby minimizing cos.

  DS485   DS485







Part Number DS4830
Manufacturers Maxim Integrated Products
Logo Maxim Integrated Products
Description Optical Microcontroller
Datasheet DS485 DatasheetDS4830 Datasheet (PDF)

DS4830 Optical Microcontroller General Description The DS4830 provides a complete optical control, calibration, and monitor solution based on a low-power, 16-bit, microcontroller core, providing program and RAM data memory. I/O resources include a fast/accurate analog-todigital converter (ADC), fast comparators with an internal comparison digital-to-analog converter (DAC), 12-bit DACs, 12-bit PWMs, internal and external temperature sensors, fast sample/hold, I2C slave host interface, and a mul.

  DS485   DS485







Part Number DS481
Manufacturers National Semiconductor
Logo National Semiconductor
Description Low Power RS-485/RS-422 Multipoint Transceiver with Sleep Mode
Datasheet DS485 DatasheetDS481 Datasheet (PDF)

DS481 Low Power RS-485/RS-422 Multipoint Transceiver with Sleep Mode July 1998 DS481 Low Power RS-485/RS-422 Multipoint Transceiver with Sleep Mode General Description The DS481 is a low-power transceiver for RS-485 and RS-422 communication. The device contains one driver and one receiver. The drivers slew rate allows for operation up to 2.0 Mbps (see Applications Information section). The transceiver draws 200 µA of supply current when unloaded or 0.2 µA when in the automatic sleep mode. Slee.

  DS485   DS485







Part Number DS4802
Manufacturers Dallas Semiconducotr
Logo Dallas Semiconducotr
Description Low Voltage/ Micro Power/ High Performance/ Rail-To-Rail Dual Op-Amp
Datasheet DS485 DatasheetDS4802 Datasheet (PDF)

PRELIMINARY DS4802 Low Voltage, Micro Power, High Performance, Rail-To-Rail Dual Op-Amp www.dalsemi.com FEATURES Very low operating power: 12 µA typical per amplifier High output sink/source capability Supply Voltage Range 1.8 to 5.5V Rail-to-Rail Output Swing Input offset voltage: 0.95 mV max. PACKAGES/PINOUTS AOUT 1 8 VDD AIN- 2 A B + - 7 BOUT AIN+ 3 - + 6 BIN- GND 4 5 BIN+ ORDERING INFORMATION Part Number DS4802 DS4802S DS4802U DS4802X Description 8-pin DIP 8-pin SOIC 8-pin µ.

  DS485   DS485







Low Power RS-485/RS-422 Multipoint Transceiver

DS485 Low Power RS-485/RS-422 Multipoint Transceiver July 1998 DS485 Low Power RS-485/RS-422 Multipoint Transceiver General Description The DS485 is a low-power transceiver for RS-485 and RS-422 communication. The device contains one driver and one receiver. The drivers slew rate allows for operation up to 2.5 Mbps (see Applications Information section). The transceiver draws 200 µA of supply current when unloaded or fully loaded with the driver disabled and operates from a single +5V supply. The driver is short-circuit current limited and is protected against excessive power dissipation by thermal shutdown circuitry that places the driver outputs into TRI-STATE ® (High Impedance state) under fault conditions. The driver guarantees a minimum of 1.5V differential output voltage with maximum loading across the common mode range (VOD3). The receiver has a failsafe feature that guarantees a logic-high output if the input is open circuit. The DS485 is available in surface mount and DIP packages and is characterized for Industrial and Commercial temperature range operation. Features n n n n n n Meets TIA/EIA RS-485 multipoint standard Guaranteed full load output voltage (V OD3) Low quiescent current: 200 µA typ −7V to +12V common-mode input voltage range TRI-STATE outputs on driver and receiver AC performance: — Driver transition time: 25 ns typ — Driver propagation delay: 40 ns typ — Driver skew: 1 ns typ — Receiver propagation delay: 200 ns typ — Receiver skew: 20 ns typ Half-.


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