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TDA7056B 데이터시트(PDF) 2 Page - NXP Semiconductors |
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2 / 16 page 1997 Aug 15 2 Philips Semiconductors Product specification 5 W mono BTL audio amplifier with DC volume control TDA7056B FEATURES • DC volume control • Few external components • Mute mode • Thermal protection • Short-circuit proof • No switch-on and switch-off clicks • Good overall stability • Low power consumption • Low HF radiation • ESD protected on all pins. GENERAL DESCRIPTION The TDA7056B is a mono Bridge-Tied Load (BTL) output amplifier with DC volume control. It is designed for use in TV and monitors, but is also suitable for battery-fed portable recorders and radios. The device is contained in a 9-pin medium power package. A Missing Current Limiter (MCL) is built in. The MCL circuit is activated when the difference in current between the output terminal of each amplifier exceeds 100 mA (300 mA typ.). This level of 100 mA allows for headphone applications (single-ended). QUICK REFERENCE DATA ORDERING INFORMATION SYMBOL PARAMETER CONDITIONS MIN. TYP. MAX. UNIT VP supply voltage 4.5 − 18 V PO output power VP =12V RL =16 Ω 3 3.5 − W RL =8 Ω 5 5.5 − W Gv(max) maximum total voltage gain 39.5 40.5 41.5 dB φ gain control 68 73.5 − dB Iq(tot) total quiescent current VP = 12 V; RL = ∞− 9.2 13 mA THD total harmonic distortion PO = 0.5 W − 0.3 1 % TYPE NUMBER PACKAGE NAME DESCRIPTION VERSION TDA7056B SIL9MPF plastic single in-line medium power package with fin; 9 leads SOT110-1 |
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