AN7511, AN7511S. 1-W BTL audio power amplifier. ICs for Audio Common Use. Overview. Features. Applications. Block Diagram AN7511
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1 .±. AN, ANS -W BTL audio power amplifier Overview The AN and ANS are the audio power amplifier ICs with -ch output. The BTL (Balanced Transformer-Less) method can provide fewer external parts and more easy design for applications. Features -W output ( Ω) with supply voltage of V: AN.-W output ( Ω) with supply voltage of V: ANS On-chip standby function On-chip muting function Applications Televisions, radios, and personal computers AN 9.±. to ANS.±..± DIP-P- Unit: mm ±..±..9±. Unit: mm.±. (.).±..±. to.±. Block Diagram SOP-P-C Attenuator Ripple rejection circuit Standby Output db Thermal shutdown Output GND (for output) db Attenuator control Input GND Mute.±..max. (.) Seating plane
2 AN, ANS Pin Descriptions Pin No. Description Standby (standby state if this pin is open.) Input Ground (for input) Muting (muting on if this pin is open.) Supply voltage + Output Ground (for output ch.) Output Absolute Maximum Ratings Parameter Symbol Rating Unit Supply voltage * V Supply current I CC. A Power dissipation * P D mw Operating ambient temperature * T opr to + C Storage temperature * T stg to + C Note) *: Except for the operating ambient temperature and storage temperature, all ratings are for T a = C. *: At no signal *: The power dissipation shown is the value for T a = C. Recommended Operating Range Parameter Symbol Range Unit Supply voltage. to. V Electrical Characteristics at =. V,, f = khz, T a = C ± C Parameter Symbol Conditions Min Typ Max Unit Quiescent circuit current I CQ V IN = mv ma Standby current I STB V IN = mv µa Output noise voltage * V NO R g = kω.. mv[rms] Voltage gain G V P O =. W db Total harmonic distortion THD P O =. W.. % Maximum output power P O THD = %.. W Ripple rejection ratio * RR R g = kω, V R = V[rms], f R = Hz db Output offset voltage V OFF R g = kω mv Muting effect * MT P O =. W db Note) *: In measuring, the filter for the range of Hz to khz ( db/oct) is used.
3 AN, ANS Terminal Equivalent Circuits Pin No. Pin name Equivalent circuit Voltage Standby pin V kω To the shock sound prevention circuit Ω kω kω kω kω kω kω kω V RF ( ) / To the constant current circuit Input pin mv to mv µa Ω Ω kω GND V Muting pin µa Ω kω kω Ref. =. V To Mute
4 AN, ANS Terminal Equivalent Circuits (continued) Pin No. Pin name Equivalent circuit Voltage. V + Output pin. V Ω Ω / Ω kω GND V Output pin. V Ω Ω / Ω kω Usage Notes Please avoid the short circuit to, ground, or load short circuit. Please connect the cooling fin with the GND potential. The thermal shutdown circuit operates at about T j = C. However, the thermal shutdown circuit is reset automatically if the temperature drops. Please carefully design the heat radiation especially when you take out high power at high. Please connect only the ground of signal with the signal GND of the amplifier in the previous stage.
5 AN, ANS Technical Data. Package power dissipation P D T a Power dissipation P D (mw) 9 Independent IC without a heat sink Rth(j-a) = C/W PD = mw ( C) Ambient temperature T a ( C). Main characteristics P O I CQ, I STB 9 9 Output power P O (W) PO ( Ω) f = khz THD = % Hz HPF khz LPF Rg = kω VSTB = V VMUTE = V Quiescent circuit current I CQ (A) I STB I CQ R g = kω V STB = V/ V V MUTE = V Standby current I STB (µa) Supply voltage (V) Supply voltage (V)
6 AN, ANS Technical Data (continued). Main characteristics (continued) P O, THD V IN P C, I CC P O Output power P O (W)... THD ( khz) f = khz Hz HPF khz LPF. R g = kω THD ( khz) V MUTE = V. P O THD ( khz) Total harmonic distortion THD (%) Power consumption P C (W) P C ( Ω) I CC ( Ω) f = khz RL = Ω Hz HPF khz LPF Rg = kω VSTB = V VMUTE = V Supply current I CC (A) Input voltage V IN (mv[rms]) Output power P O (W) G V, P O f THD f Voltage gain G V (db) 9 GV PO VCC = V PO =. W THD = % RL = Ω Hz HPF khz LPF Rg = kω VSTB = V VMUTE = V Output power P O (W) Total harmonic distortion THD (%). THD PO =. W Rg = kω VSTB = V RL = Ω VMUTE = V Hz HPF khz LPF. Frequency f (Hz). Frequency f (Hz) G V, THD RR. Voltage gain G V (db) 9 THD G V P O =. W f = khz Hz HPF khz LPF R g = kω V MUTE = V Total harmonic distortion THD (%) Ripple rejection ratio RR (db) RR R g = kω V MUTE = V V RIPPLE = V[rms] f RIPPLE = Hz. Supply voltage (V) Supply voltage (V)
7 AN, ANS Technical Data (continued). Main characteristics (continued) RR V RIPPLE RR f RIPPLE Ripple rejection ratio RR (db) RR khz LPF R g = kω V MUTE = V V RIPPLE = V[rms] f RIPPLE = Hz Ripple rejection ratio RR (db) R g = kω V MUTE = V V RIPPLE = V[rms] f RIPPLE = Hz RR Power supply ripple voltage V RIPPLE (mv[rms]) Power supply ripple frequency f RIPPLE (Hz) V NO V NO R g Output noise voltage V NO (mv[rms]) VNO VNO (FLAT) R g = kω DIN audio filter V MUTE = V Output noise voltage V NO (mv[rms]) VNO (FLAT) VNO VCC = V VSTB = V V MUTE = V R g = kω DIN audio filter Supply voltage (V) Input impedance R g (Ω) MT MT V IN 9 9 MT Muting effect MT (db) MT P O =. W f = khz RL = Ω Hz HPF khz LPF Rg = kω VSTB = V VMUTE = V Muting effect MT (db) f = khz Hz HPF khz LPF R g = kω V MUTE = V Supply voltage (V) Input voltage V IN (mv[rms])
8 AN, ANS Technical Data (continued). Main characteristics (continued) MT f I CQ V STB Muting effect MT (db) 9 9 MT P O =. W R g = kω V MUTE = V Quiescent circuit current I CQ (A) I CQ RL = Ω Rg = kω VMUTE = V Frequency f (Hz) Standby voltage V STB (V). Example of PCB pattern Out + Out GND GND Mute V IN Standby
9 AN, ANS Application Circuit Example Out Ω µf kω kω kω. µf kω kω Standby V IN Mute 9
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