Output Circuit. Input Circuit. Driver Circuit. Driver Circuit. Output Circuit. Protection Circuit. Input Circuit. Output. Driver. Circuit.
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1 ANK Dual BTL W Audio Power Amplifier Overview The ANK is an integrated circuit for W (.V, Ω) output power amplifier circuit. Two BTL amplifiers are built-in on a single chip and stereo operation is possible. It is highly reliable due to protection circuits built-in. The built-in stand-by circuit makes it possible to switch the circuit ON/OFF with a charge mode to power supply pin. Features High output power (BTL W ) Stand-by circuit built-in Protection circuits built-in (temperature, overvoltage, V OUT short, Load short, V OUT V CC short) Low shock noise from power ON/OFF operation Fewer external parts Highly stable operation.±..±..±..±..±..±. ø..±..±.. R..±..±. (.).±... (.).±..±. (.).±. Unit : mm.±. (.).±..±. -Lead ZIP Package with Fin (EZIP-P-) Block Diagram VCC Stand by Protection
2 ANK ICs for Audio Common Use Absolute Maximum Ratings (Ta= C) Supply Voltage Note ) Peak Supply Voltage Note ) Supply Current Power Dissipation Note ) Operating Ambient Temperature Storage Temperature Note ) No Signal Note ) Time=.s Note ) R θj c= C/W Parameter Symbol Rating Unit V CC V CC (surge) I CC P D T opr T stg. ~ ~ V V A W C C Recommended Operating Range (Ta = C) Parameter Symbol Range Operating Supply Voltage Range V CC V ~ V Electrical Characteristics (V CC =.V, R L = Ω, f = khz, Ta = C) Parameter Symbol Condition min. typ. max. Unit Quiescent Current Noise Voltage Voltage Gain Maximum Power (Ω) Ripple Rejection Ratio Offset Voltage Channel Balance Frequency Characteristics Frequency Characteristics Quiescent Current at Stand-by Pin Crosstalk * With Hz ~ khz (/oct) filter I CQ V no * V in= mv, R g= kω.. mv G V V in= mv.. % P O RR * = % R g= Ω, V in= mv, Ripple= mv, Hz. W V O (offset) CB f CH f CL I CQ (STBYON) V in= mv ma V in= mv... V in= mv V in= mv V in= mv, Hz V in= mv, khz V in= mv, down V in= mv, down Stand-by Pin ON.. mv % % khz Hz µa CT V in= mv, R g= kω Characteristics Curve Maximum PO (W) f = khz = % RL = Ω P O V CC Power PO (W). VCC =.V RL = Ω f = khz P O, V in PO... (%). Voltage Gain GV () G V, f GV k k VCC =.V RL = Ω PO = W..... k (%) Voltage Vin (mv) Frequency f (Hz)
3 ANK Voltage Gain GV () f = khz RL = Ω Vin = mv GV (%) Quiescent Current ICQ (ma) I CQ V CC Power Dissipation PD (W) P D Ta () Tc Ta (Rθj c = C/W).W () () With a cm mm Al (Black color coated) or a heat sink (not lacquered) () With a cm mm Al () Witout heat sink.w ().W () ().W Ambient Temperature Ta ( C) Application VCC Pin µf VCC=.V IN Ch. µf µf.µf Ω. µf.ω.µf.ω OUT Ch. Ω ( side) IN Ch. µf µf.µf Ω ANK. µf.ω Ripple Filter Pin µf.µf.ω OUT Ch. Ω (STAND-BY) V (stand-by mode) V (Normal ON mode) Note) mv, Hz ripple component should be applied at the measurement of ripple rejection ratio.
4 ANK ICs for Audio Common Use Pin Descriptions Pin No. Pin Name Description Equivalent Supply Pin Supply connection pin Ch. Ch. positive-phase output pin ( Ch.) pin for Ch. output Ch. Ch. reverse-phase output pin Stand-by mode (stand-by switching pin operation) Ch. Ch. input signal applied pin Negative Feedback Ch. Ch. negative feedback pin () Negative Feedback Ch. Ch. negative feedback pin () Negative Feedback Ch. Ch. negative feedback pin () () pin for input signal source Negative Feedback Ch. Ch. negative feedback pin ()
5 ANK Pin Descriptions (Cont.) Pin No. Pin Name Description Equivalent Ch. Ch. input signal applied pin Ripple Filter Supply ripple rejection pin Ch. Ch. reverse-phase output pin ( Ch.) pin for Ch. output Ch. Ch. positive-phase output pin Precautions on use. Thermal breaking protection The protective operation starts at the chip temperature of C± C.. Overvoltage protection The protective operation starts at V CC V.. Ground fault protection The protective operation starts when the contact resistance dropped below.ω.. Load shortcircuit protection The protective operation starts when the contact resistance dropped below.ω.. Atmospheric fault protection The protective operation starts only when a shortcircuit between pins occurred.. TAB shortcircuit Even TAB short-circuiting with the potential causes no breaking trouble.. The operation remains normal even when the load is Ω.. When the chip temperature abnormally rose, the temperature protection circuit gets actuated, but it is automatically reset when the chip temperature dropped below the set level.
Maintenance/ Discontinued
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