LM1893N

LM1893N , Carrier-Current Transceiver, DIP18, 30 V, 4.8 kBaud, 50 to 300 kHz

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Price:: US $0.20~0.50 / piece [Get Latest Price]

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PartNumber:: LM1893N

Brand:: National Semiconductor - NS | Pack: DIP | D/C: 98+

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: 2012-07-17

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Part Number:LM1893N
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Product Summary

The LM1893N is a kind of Carrier-Current Transceiver, which uses the power mains to transfer information between remote locations. The LM1893N performs as a power line interface for half-duplex (bi-directional) communication of serial bit streams of virtually any coding. In transmission, a sinusoidal carrier is FSK modulated and impressed on most any power line via a rugged on-chip driver. In reception, a PLL-based demodulator and impulse noise filter combine to give maximum range. A complete system may consist of the LM1893, a COPSTM controller, and discrete components. The typical applications of LM1893N include: (1)Energy management systems; (2)Home convenience control; (3)Inter-office communication; (4)Appliance control; (5)Fire alarm systems; (6)Security systems; (7)Telemetry; (8)Computer terminal interface.

Parametrics

LM1893N absolute maximum ratings: (1)Supply voltage: 30 V; (2)Voltage on pin 12: 55 V; (3)Voltage on pin 10: 41 V; (4)Voltage on pins 5 and 17: 40 V; (5)5.6 V DC zener current: 100 mA; (6)Junction temperature: transmit mode: 150℃; receive mode: 125℃; (7)Electro-Static Discharge (120 pF, 1500X): 1KV; (8)Maximum continuous dissipation, TA=25℃: plastic DIP N: transmit mode: 1.66 W; receive mode: 1.33 W; (9)Operating ambient temp. range: -40 to 85℃; (10)Storage temperature range: -65 to 150℃; (11)Lead temp., soldering, 7 seconds: 260℃.

Features

LM1893N features: (1)Noise resistant FSK modulation; (2)User-selected impulse noise filtering; (3)Up to 4.8 kBaud data transmission rate; (4)Strings of 0 s or 1 s in data allowed; (5)Sinusoidal line drive for low RFI; (6)Output power easily boosted 10-fold; (7)50 to 300 kHz carrier frequency choice; (8)TTL and MOS compatible digital levels; (9)Regulated voltage to power logic; (10)Drives all conventional power lines.