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TDA8946 데이터시트(PDF) 1 Page - NXP Semiconductors |
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1 / 23 page TDA8946J 2 x 15 W stereo Bridge Tied Load (BTL) audio amplifier Rev. 02 — 14 March 2000 Product specification c c 1. General description The TDA8946J is a dual-channel audio power amplifier with an output power of 2 × 15 Watan8 Ω load and a 18 V supply. The circuit contains two Bridge Tied Load (BTL) amplifiers with an all-NPN output stage and standby/mute logic. The TDA8946J comes in a 17-pin DIL-bent-SIL (DBS) power package. The TDA8946J is printed-circuit board (PCB) compatible with all other types in the TDA894x family. One PCB footprint accommodates both the mono and the stereo products. 2. Features s Few external components s Fixed gain s Standby and mute mode s No on/off switching plops s Low standby current s High supply voltage ripple rejection s Outputs short-circuit protected to ground, supply and across the load s Thermally protected s Printed-circuit board compatible. 3. Applications s Mains fed applications (e.g. TV sound) s PC audio s Portable audio. 4. Quick reference data Table 1: Quick reference data Symbol Parameter Conditions Min Typ Max Unit VCC supply voltage 6 18 25 V Iq quiescent supply current VCC =18V; RL = ∞ - 2842mA Istb standby supply current - - 10 µA |
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