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| ICs for Audio Common Use AN7511, AN7511S 1-W BTL audio power amplifier I Overview The AN7511 and AN7511S are the audio power amplifier ICs with 1-ch output. The BTL (Balanced Transformer-Less) method can provide fewer external parts and more easy design for applications. AN7511 1 8 Unit: mm 0.9 1.0 9.20.2 4 6.40.2 5 3.350.20 I Features * 1-W output (8 ) with supply voltage of 5 V: AN7511 * 0.5-W output (16 ) with supply voltage of 5 V: AN7511S * On-chip standby function * On-chip muting function 3 to 15 0.300.26 3.890.20 0.30 -0 7.620.30 +0.10 .05 I Applications * Televisions, radios, and personal computers AN7511S 5.010.20 8 DIP008-P-0300 Unit: mm 5 (1.05) 4.300.20 6.400.20 0.150.10 0 to10 0.500.20 1 4 1.450.10 1.75max. (0.60) 1.27 0.10 0.40+0.10 -0.05 Seating plane I Block Diagram SOP008-P-0225C VCC 5 Attenuator Output 6 Ripple rejection circuit 1 Standby Thermal shutdown 28 dB 8 Output Attenuator control 28 dB 2 3 Input GND Mute 4 GND 7 (for output) 2.54 3 6 0.5 1.3 1.5 2 7 1 AN7511, AN7511S I Pin Descriptions Pin No. 1 2 3 4 5 6 7 8 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.1) - Output ICs for Audio Common Use I Absolute Maximum Ratings Parameter Supply voltage Supply current Power dissipation *3 *1 *2 Symbol VCC ICC PD Topr Tstg Rating 14 1.0 541 -25 to +70 -55 to +150 Unit V A mW C C Operating ambient temperature Storage temperature *1 Note) *1: Except for the operating ambient temperature and storage temperature, all ratings are for Ta = 25C. *2: At no signal *3: The power dissipation shown is the value for Ta = 70C. I Recommended Operating Range Parameter Supply voltage Symbol VCC Range 3.5 to 13.5 Unit V I Electrical Characteristics at VCC = 5.0 V, RL = 8 , f = 1 kHz, Ta = 25C 2C Parameter Quiescent circuit current Standby current Output noise voltage Voltage gain Total harmonic distortion Maximum output power Ripple rejection ratio Output offset voltage Muting effect * * * Symbol ICQ ISTB VNO GV THD PO1 RR VOFF MT VIN = 0 mV VIN = 0 mV Rg = 10 k PO = 0.25 W PO = 0.25 W THD = 10% Conditions Min 32 0.8 30 -300 70 Typ 30 1 0.14 34 0.05 1.1 50 0 86 Max 60 10 0.4 36 0.5 300 Unit mA A mV[rms] dB % W dB mV dB Rg = 10 k, VR = 1 V[rms], fR = 120 Hz Rg = 10 k PO = 0.25 W Note) *: In measuring, the filter for the range of 15 Hz to 30 kHz (12 dB/OCT) is used. 2 ICs for Audio Common Use I Terminal Equivalent Circuits Pin No. 1 Pin name Standby pin VCC AN7511, AN7511S Equivalent circuit Voltage 5V 30 k To the shock sound prevention circuit 1 50 k 2 k 200 12 k 10 k VRF ( VCC) 33 k 5 k 10 k 1/2 VCC To the constant current circuit 2 Input pin VCC 0 mV to 10 mV 30 A 2 200 400 3 GND 30 k 3 0V 4 Muting pin VCC 50 A 5 k 4 200 5 k Ref. = 1.25 V To Mute 3 AN7511, AN7511S I Terminal Equivalent Circuits (continued) Pin No. 5 6 Pin name VCC + Output pin Equivalent circuit ICs for Audio Common Use Voltage 5.0 V VCC 2.15 V 200 1/2 VCC 50 6 800 20 k 7 GND 7 0V 8 - Output pin VCC 2.15 V 200 1/2 VCC 50 8 800 20 k I Usage Notes * Please avoid the short circuit to VCC , ground, or load short circuit. * Please connect the cooling fin with the GND potential. * The thermal shutdown circuit operates at about Tj = 150C. 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 VCC . * Please connect only the ground of signal with the signal GND of the amplifier in the previous stage. 4 ICs for Audio Common Use I Technical Data 1. Package power dissipation PD T a 1 000 900 800 Independent IC without a heat sink Rth(j-a) = 148C/W PD = 845 mW (25C) AN7511, AN7511S Power dissipation PD (mW) 700 600 500 400 300 200 100 0 0 25 50 70 75 100 125 150 Ambient temperature Ta (C) 2. Main characteristics PO VCC 8 7 ICQ , ISTB VCC 100 90 10 9 8 7 6 ICQ 5 4 RL = 8 Both ch. inputs 3 Rg = 10 k VSTB = 0 V/5 V 2 VMUTE = 0 V 1 6 8 10 12 14 0 Quiescent circuit current ICQ (A) 80 70 60 50 40 30 20 10 0 0 2 ISTB 5 PO (8 ) 4 3 2 1 0 0 2 4 6 8 10 12 14 f = 1 kHz THD = 10% RL = 8 400 Hz HPF 30 kHz LPF Both ch. inputs Rg = 10 k VSTB = 5 V VMUTE = 0 V 4 Supply voltage VCC (V) Supply voltage VCC (V) Standby current ISTB (A) 6 Output power PO (W) 5 AN7511, AN7511S I Technical Data (continued) 2. Main characteristics (continued) PO , THD VIN 10 PO 1.8 ICs for Audio Common Use PC , ICC PO 100 2.0 VCC = 5 V f = 1 kHz RL = 8 400 Hz HPF 30 kHz LPF Both ch. inputs Rg = 10 k VSTB = 5 V VMUTE = 0 V PC (8 ) 0.8 0.6 0.4 0.2 ICC (8 ) 0.4 0.3 0.2 0.1 0.5 1.0 0.0 1.5 1.0 0.9 0.8 0.7 0.6 0.5 1.4 1.2 1.0 0.1 THD (100 kHz) 0.01 THD (1 kHz) 0.001 1 10 VCC = 5 V f = 1 kHz RL = 8 400 Hz HPF 30 kHz LPF Both ch. inputs Rg = 10 k VSTB = 5 V VMUTE = 0 V 100 1 0.1 0.01 1 000 0.0 0.0 Input voltage VIN (mV[rms]) Output power PO (W) GV , PO f 35 34 GV 33 1.6 1.4 1.2 PO VCC = 5 V PO = 0.25 W THD = 10% RL = 8 400 Hz HPF 30 kHz LPF 1.0 0.8 Both ch. inputs Rg = 10 k 0.6 VSTB = 5 V VMUTE = 0 V 0.4 0.2 0.0 100 000 2.0 1.8 THD f 10 VCC = 5 V Rg = 10 k PO = 0.25 W VSTB = 5 V RL = 8 VMUTE = 0 V 400 Hz HPF 30 kHz LPF Both ch. inputs 32 31 30 29 28 27 26 25 10 100 Total harmonic distortion THD (%) Voltage gain GV (dB) Output power PO (W) 1 0.1 THD 1 000 10 000 0.01 10 100 1 000 10 000 100 000 Frequency f (Hz) Frequency f (Hz) GV , THD VCC 35 34 33 GV PO = 0.25 W f = 1 kHz RL = 8 400 Hz HPF 30 kHz LPF Both ch. inputs Rg = 10 k VSTB = 5 V VMUTE = 0 V 1.0 0.9 80 70 RR VCC Ripple rejection ratio RR (dB) 0.8 0.7 0.6 0.5 0.4 0.3 0.2 Total harmonic distortion THD (%) Voltage gain GV (dB) 60 RR 50 40 30 20 10 0 32 31 30 29 28 27 26 25 0 2 4 6 THD 8 0.1 10 12 14 0.0 RL = 8 Rg = 10 k VSTB = 5 V VMUTE = 0 V VRIPPLE = 1 V[rms] fRIPPLE = 120 Hz 0 2 4 6 8 10 12 14 Supply voltage VCC (V) Supply voltage VCC (V) 6 Supply current ICC (A) Output power PO (W) 1 10 Power consumption PC (W) THD (10 kHz) Total harmonic distortion THD (%) 1.6 ICs for Audio Common Use I Technical Data (continued) 2. Main characteristics (continued) RR VRIPPLE 80 70 VCC = 5 V RL = 8 30 kHz LPF Rg = 10 k VSTB = 5 V VMUTE = 0 V VRIPPLE = 1 V[rms] fRIPPLE = 120 Hz 80 70 AN7511, AN7511S RR fRIPPLE Ripple rejection ratio RR (dB) Ripple rejection ratio RR (dB) 60 50 RR 40 30 20 10 0 60 50 40 30 20 10 0 VCC = 5 V RL = 8 Rg = 10 k VSTB = 5 V VMUTE = 0 V VRIPPLE = 1 V[rms] fRIPPLE = 120 Hz 10 100 1 000 10 000 100 000 RR 10 100 1 000 10 000 Power supply ripple voltage VRIPPLE (mV[rms]) Power supply ripple frequency fRIPPLE (Hz) VNO VCC 800 800 VNO (FLAT) VNO Rg Output noise voltage VNO (mV[rms]) Output noise voltage VNO (mV[rms]) 700 600 500 400 300 200 100 0 700 VNO (FLAT) 600 500 400 300 200 100 0 VNO RL = 8 Rg = 10 k DIN audio filter VSTB = 5 V VMUTE = 0 V VCC = 5 V VSTB = 5 V RL = 8 VMUTE = 0 V Rg = 10 k DIN audio filter VNO 0 2 4 6 8 10 12 14 10 100 1 000 10 000 100 000 Supply voltage VCC (V) Input impedance Rg () MT VCC 100 MT VIN 100 90 90 MT Muting effect MT (dB) 80 Muting effect MT (dB) MT 80 70 PO = 0.25 W f = 1 kHz RL = 8 400 Hz HPF 30 kHz LPF Rg = 10 k VSTB = 5 V VMUTE = 0 V 0 2 4 6 8 10 12 14 70 VCC = 5 V f = 1 kHz RL = 8 400 Hz HPF 30 kHz LPF Rg = 10 k VSTB = 5 V VMUTE = 0 V 1 10 100 1 000 60 60 50 50 40 40 Supply voltage VCC (V) Input voltage VIN (mV[rms]) 7 AN7511, AN7511S I Technical Data (continued) 2. Main characteristics (continued) MT f 100 95 90 ICs for Audio Common Use ICQ VSTB 80 70 VCC = 5 V RL = 8 Rg = 10 k VMUTE = 0 V Quiescent circuit current ICQ (A) Muting effect MT (dB) 60 50 40 ICQ 85 80 75 70 65 60 55 50 10 100 1 000 VCC = 5 V PO = 0.25 W RL = 8 Rg = 10 k VSTB = 5 V VMUTE = 0 V MT 30 20 10 0 10 000 100 000 0.0 0.5 1.0 1.5 2.0 2.5 3.0 Frequency f (Hz) Standby voltage VSTB (V) 3. Example of PCB pattern Out + Out - VCC 8 GND 7 6 5 1 2 3 4 GND Mute VIN Standby 8 ICs for Audio Common Use I Application Circuit Example Out1 8 VCC AN7511, AN7511S 8 7 6 1 2 3 270 k 4 5 Standby VIN1 Mute 100 k 1.0 F 68 k 10 k 47 k 10 F 9 |
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