製品概要
-
特徴
- CABLE LENGTH DIGITAL COMPENSATION
- TWO OUTPUT PINS SUITABLE TO BYPASS THE OUTPUT R-L FILTER AND AVOID ANY TONE DISTORSION (R-L FILTER AS PER DiSEqC 2.0 SPECs, see application circuit on pag. 5)
- OVERLOAD AND OVER-TEMPERATURE I2C DIAGNOSTIC BITs
- OVERLOAD AND OVER-TEMPERATURE INTERNAL PROTECTIONS
- +/-4KV ESD TOLERANT ON INPUT/ OUTPUT POWER PINS
- LNB SHORT CIRCUIT SOA PROTECTION WITH I2C DIAGNOSTIC BIT
- BUILT-IN 22KHz TONE DETECTOR SUPPORTS BI-DIRECTIONAL DiSEqCTM2.0
- FAST OSCILLATOR START-UP FACILITATES DiSEqCTM ENCODING
- COMPLETE INTERFACE BETWEEN LNB AND I2CTM BUS
- TWO SELECTABLE OUTPUT CURRENT LIMIT (450mA / 750mA)
- BUILT-IN DC/DC CONTROLLER FOR SINGLE 12V SUPPLY OPERATION AND HIGH EFFICIENCY (Typ. 94% @ 750mA)
- ACCURATE BUILT-IN 22KHz TONE OSCILLATOR SUITS WIDELY ACCEPTED STANDARDS
- SEMI-LOWDROP POST REGULATOR AND HIGH EFFICIENCY STEP-UP PWM FOR LOW POWER LOSS: Typ. 0.56W @ 125mA
- BOTH COMPLIANT WITH EUTELSAT AND DIRECT OUTPUT VOLTAGE SPECIFICATION
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STマイクロエレクトロニクス - LNBH21
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