ICs for Audio Common Use AN7512 Dual 1-W BTL audio power amplifier Overview Unit: mm 4.70.25 Features * 1-W output (8 ) with supply voltage of 5 V * On-chip standby function * On-chip volume function 1.50.1 2.1 3.800.3 1.7 17 Applications * Televisions, audio equipment, personal computers, and active speakers 3.05 0.25 0.50.1 16 15 14 13 12 11 10 9 1 2 3 4 5 6 7 8 21.60.3 27.40.3 1.060.25 0.50.1 1.20.25 6.350.3 5.080.1 2.542.54 The AN7512 is an audio power amplifier IC for stereo system. The BTL (Balanced Transformer-Less) method can provide fewer external parts and more easy design for applications. 0.45 +0.1 -0.05 0 to 6 7.620.25 HDIP016-P-0300 N.C. 16 N.C. 9 N.C. Ripple rejection circuit VCC 12 Attenuator Ch.1 output 7 1 N.C. Block Diagram 2 Standby Attenuator 13 11 Ch.2 output Thermal shutdown 28 dB 15 28 dB Ch.2 output 6 10 GND (ch.2 output) Ch.2 input 5 Volume GND 4 28 dB 3 GND 14 (ch.1 output) 8 Attenuator control Ch.1 input Ch.1 output 28 dB 1 AN7512 ICs for Audio Common Use Pin Descriptions Pin No. Description Pin No. Description 1 N.C. 9 N.C. 2 Standby (standby state if this pin is open.) 10 Ground (output ch.2) 3 Ch.1 input 11 Ch.2 + output 4 Ground (input) 12 Supply voltage 5 Volume (muting off if this pin is open.) 13 Ch.1 + output 6 Ch.2 input 14 Ground (output ch.1) 7 N.C. 15 Ch.1 - output 8 Ch.2 - output 16 N.C. Note) Please do not apply voltage or current to the N.C. pin from outside. Absolute Maximum Ratings Parameter Supply voltage *2 Symbol Rating Unit VCC 14 V ICC 2.0 A PD 1 127 mW Topr -25 to +70 C Tstg -55 to +150 C Supply current Power dissipation *3 Operating ambient temperature Storage temperature *1 *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. Recommended Operating Range Parameter Supply voltage 2 Symbol Range Unit VCC 3.5 to 13.5 V ICs for Audio Common Use AN7512 Electrical Characteristics at VCC = 5.0 V, RL = 8 , f = 1 kHz, Ta = 25C 2C Parameter Symbol Conditions Min Typ Max Unit Quiescent circuit current ICQ VIN = 0 mV, Vol. = 0 V 35 100 mA Standby current ISTB VIN = 0 mV, Vol. = 0 V 1 10 A VNO Rg = 10 k, Vol. = 0 V 0.10 0.4 mV[rms] GV PO = 0.25 W, Vol. = 1.25 V 31 33 35 dB THD PO = 0.25 W, Vol. = 1.25 V 0.10 0.5 % PO1 THD = 10 %, Vol. = 1.25 V 0.7 1.0 W RR Rg = 10 k, Vol. = 0 V, VR = 0.5 V[rms], fR = 120 Hz 30 50 dB Output noise voltage * Voltage gain Total harmonics distortion Maximum output power Ripple rejection ratio * VOFF Rg = 10 k, Vol. = 0 V -250 0 250 mV Att PO = 0.25 W, Vol. = 0 V 70 85 dB Channel balance 1 CB1 PO = 0.25 W, Vol. = 1.25 V -1 0 1 dB Channel balance 2 CB2 PO = 0.25 W, Vol. = 0.6 V -3 0 3 dB Intermediate voltage gain GVM PO = 0.25 W, Vol. = 0.6 V 20.5 23.5 26.5 dB Channel crosstalk CT PO = 0.25 W, Vol. = 1.25 V 40 55 dB Output offset voltage Volume attenuation rate * Note) *: In measuring, the filter for the range of 15 Hz to 30 kHz (12 dB/OCT) is used. Terminal Equivalent Circuits Pin No. Pin name Equivalent circuit Voltage 1 N.C. Open 2 Standby pin 5V VCC 10 k To the shock sound prevention circuit VRF ( VCC) 12 k 1/2 VCC 30 k 2 200 2 k 50 k 33 k 5 k 10 k To the constant current circuit 3 AN7512 ICs for Audio Common Use Terminal Equivalent Circuits (continued) Pin No. Pin name 3 Ch.1 input pin Equivalent circuit Voltage 1.4 V VREF1 (1.4 V) VCC 50 A 100 A 50 A 30 k 1 k 3 1 k 4 1 k 500 GND 0V 4 5 Volume pin VCC 50 A 1 k 5 6 12 k Ch.2 input pin 1.4 V VREF1 (1.4 V) VCC 50 A 50 A 30 k 100 A 1 k 6 1 k 7 4 N.C. Open 1 k 500 ICs for Audio Common Use AN7512 Terminal Equivalent Circuits (continued) Pin No. Pin name 8 Ch.2 - output pin Equivalent circuit VCC 200 1/2 VCC 9 N.C. 10 GND 11 Ch.2 + output pin 800 13 Ch.1 + output pin 8 Open 0V 10 VCC 1/2 VCC VCC 50 800 50 20 k 5.0 V VCC 200 800 2.15 V 11 1/2 VCC 2.15 V 20 k 200 12 Voltage 50 2.15 V 13 20 k 5 AN7512 ICs for Audio Common Use Terminal Equivalent Circuits (continued) Pin No. Pin name 14 GND Equivalent circuit Voltage 0V 14 15 Ch.1 - output pin VCC 200 1/2 VCC 16 800 50 2.15 V 15 20 k N.C. Open 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. Technical Data * PD Ta curve of HDIP016-P-0300 PD T a 2 000 1 800 Independent IC without a heat sink Rthj-a = 71C/W PD = 1 761 mW (25C) Power dissipation PD (mW) 1 600 1 400 1 200 1 000 800 600 400 200 0 0 25 50 75 100 Ambient temperature Ta (C) 6 125 150 ICs for Audio Common Use AN7512 Technical Data (continued) * Main characteristics 8 7 Output power PO (W) 6 5 4 Quiescent circuit current ICQ (mA) f = 1 kHz THD = 10% RL = 8 400 Hz HPF 30 kHz LPF Both ch. inputs Rg = 10 k VSTB = 5 V Vol. = 1.25 V Ch.2 (8 ) 3 2 Ch.1 (8 ) 1 10 90 9 80 8 70 7 60 6 5 50 ICQ 40 20 4 6 8 10 12 14 ISTB 0 2 4 100 Both ch. inputs Rg = 10 k VSTB = 5 V Vol. = 1.25 V THD (ch.2, 10 kHz) THD (ch.1, 10 kHz) 1 0.1 THD (ch.1, 100 kHz) THD (ch.2, 100 kHz) THD (ch.2,1 kHz) 0.01 THD (ch.1, 1 kHz) PO (ch.1, ch.2) 0.001 1 10 0.1 0.8 ICC (8 ) 0.6 2.0 0.5 0.4 1.5 PC (8 ) 1.0 VCC = 5V f = 1 kHz RL = 8 400 Hz HPF 30 kHz LPF 0.5 0.0 0.0 0.5 1.2 PO (ch.1) 1.0 30 PO (ch.2) 0.8 29 VCC = 5 V RL = 8 400 Hz HPF 30 kHz LPF 26 100 1 000 Frequency f (Hz) 0.6 Both ch. inputs Rg = 10 k 0.4 VSTB = 5 V Vol. = 1.25 V 0.2 10 000 0.0 100 000 Total harmonic distortion THD (%) 1.4 Output power PO (W) 1.6 32 27 1.0 0.3 0.2 0.1 0.0 1.5 10 VCC = 5 V PO = 0.25 W RL = 8 400 Hz HPF 30 kHz LPF 1.8 GV (ch.1) 28 Both ch. inputs Rg = 10 k VSTB = 5 V Vol. = 1.25 V Output power PO (W) 2.0 GV (ch.2) 31 0.7 2.5 THD f 35 33 0 0.9 GV , PO f 34 2 14 3.0 0.01 1 000 100 12 3.5 Input voltage VIN (mV[rms]) Voltage gain GV (dB) 10 PC , ICC PO 10 10 8 PO , THD VIN 1 25 6 Spply voltage VCC (V) VCC = 5 V f = 1 kHz RL = 8 400 Hz HPF 30 kHz LPF 3 1 Supply voltage VCC (V) Power consumption PC (W) 10 2 Total harmonic distortion THD (%) 0 0 4 RL = 8 Both ch. inputs Rg = 10 k VSTB = 0 V/5 V VMUTE = 0 V 30 10 0 Output power PO (W) 100 Standby current ISTB (A) ICQ , ISTB VCC Supply current ICC (A) PO VCC Both ch. inputs Rg = 10 k VSTB = 5 V Vol. = 1.25 V 1 Ch.2 0.1 0.01 Ch.1 10 100 1 000 10 000 100 000 Frequency f (Hz) 7 AN7512 ICs for Audio Common Use Technical Data (continued) * Main characteristics (continued) GV , THD VCC 39 Voltage gain GV (dB) 38 37 36 0 0.9 10 0.8 0.7 0.6 35 0.5 GV (ch.2) 34 0.4 GV (ch.1) 33 THD (ch.2) 32 31 30 1.0 0.2 THD (ch.1) 0 2 4 6 8 0.3 10 12 14 Volume attenuation Att (dB) PO = 0.25 W f = 1 kHz RL = 8 400 Hz HPF 30 kHz LPF Both ch. inputs Rg = 10 k VSTB = 5 V Vol. = 1.25 V Total harmonic distortion THD (%) 40 Att Vol. 20 Ch.1, Ch.2 30 40 VCC = 5 V PO = 0.25 W f = 1 kHz RL = 8 400 Hz HPF 30 kHz LPF Rg = 10 k VSTB = 5 V Vol. = 0 V 50 60 70 0.1 80 0.0 90 0.0 0.2 0.4 Supply voltage VCC (V) 80 Ripple rejection ratio RR (dB) Ch.2 (vol.-max.) 60 VCC = 5 V RL = 8 30 kHz LPF Rg = 10 k 50 40 VSTB = 5 V Vol. = 0 V/1.25 V VRIPPLE = 0.5 V[rms] fRIPPLE = 120 Hz Ch.2 30 20 Ch.1 Ch.2 (vol.-max.) 60 50 VCC = 5 V Vol. = 1.25 V RL = 8 VRIPPLE = 0.5 V[rms] Rg = 10 k fRIPPLE = 120 Hz VSTB = 5V 40 Ch.2 30 20 Ch.1 10 10 100 1 000 0 10 000 10 100 1 000 RR VCC 80 VCC = 5 V RL = 8 30 kHz LPF Rg = 10 k VSTB = 5 V VRIPPLE = 0.5 V[rms] fRIPPLE = 120 Hz Ch.1 (vol.-max.) 70 Ripple rejection ratio RR (dB) 70 Ch.2 (vol.-max.) RL = 8 30 kHz LPF Rg = 10 k VSTB = 5 V 50 Vol. = 0 V/1.25 V VRIPPLE = 0.5 V[rms] fRIPPLE = 120 Hz 40 Ch.2 30 Ch.1 20 100 000 RR Vol. 80 60 10 000 Power supply ripple frequency fRIPPLE (Hz) Power supply ripple voltage VRIPPLE (mV[rms]) Ripple rejection ratio RR (dB) 1.4 70 10 60 50 Ch.2 40 Ch.1 30 20 10 10 0 2 4 6 8 10 Supply voltage VCC (V) 8 1.2 Ch.1 (vol.-max.) 70 0 1.0 80 Ch.1 (vol.-max.) Ripple rejection ratio RR (dB) 0.8 RR fRIPPLE RR VRIPPLE 0 0.6 Volume voltage Vol. (V) 12 14 0 0.0 0.2 0.4 0.6 0.8 Volume voltage Vol. (V) 1.0 1.2 ICs for Audio Common Use AN7512 Technical Data (continued) * Main characteristics (continued) VNO VCC 800 RL = 8 Rg = 10 k DIN audio filter VSTB = 5 V Vol. = 0 V/1.25 V 700 600 Output noise voltage VNO (V[rms]) Output noise voltage VNO (V[rms]) 800 VNO Rg 500 400 Ch.1 (vol.-max.) 300 Ch.2 (vol.-max.) 200 Ch.1, Ch.2 100 0 Ch.1 (FLAT) Ch.2 (FLAT) 0 2 4 6 8 10 12 600 500 Ch.1 (vol.-max.) Ch.2 (vol.-max.) 400 300 200 Ch.1 (FLAT), Ch.2 (FLAT) Ch.1, Ch.2 100 0 14 VCC = 5 V RL = 8 DIN audio filter VSTB = 5 V Vol. = 0 V/1.25 V 700 10 100 VNO Vol. 80 Ch.1 (FLAT) Ch.2 (FLAT) 700 VCC = 5 V RL = 8 Rg = 10 k DIN audio filter VSTB = 5 V 600 500 400 300 200 Ch.1, Ch.2 0.2 0.4 0.6 0.8 60 50 ICQ 40 30 20 10 100 0.0 VCC = 5 V RL = 8 Rg = 10 k Vol. = 1.25 V 70 Static circuit current ICQ (A) Output noise voltage VNO (V[rms]) 900 800 1.0 1.2 0 0.0 1.4 Volume voltage Vol. (V) 0.5 1.0 90 90 Volume attenuation Att (dB) 100 80 Ch.1, Ch.2 70 PO = 0.25 W f = 1 kHz RL = 8 400 Hz HPF 30 kHz LPF Rg = 10 k VSTB = 5 V Vol. = 0 V 60 50 6 8 2.5 3.0 10 Supply voltage VCC (V) 12 Ch.2 Ch.1 80 70 VCC = 5 V f = 1 kHz RL = 8 400 Hz HPF 30 kHz LPF Rg = 10 k VSTB = 5 V Vol. = 0 V 60 50 40 4 2.0 Att VIN 100 2 1.5 Standby voltage VSTB (V) Att VCC 0 100 000 ICQ VSTB 1 000 Volume attenuation Att (dB) 10 000 Input impedance Rg () Supply voltage VCC (V) 0 1 000 14 40 1 10 100 1 000 Input voltage VIN (mV[rms]) 9 AN7512 ICs for Audio Common Use Technical Data (continued) * Main characteristics (continued) Att f THD Vol. 10 100 VCC = 5 V PO = 0.25 W f = 1 kHz RL = 8 90 85 80 Ch.1, Ch.2 75 70 VCC = 5 V PO = 0.25 W RL = 8 Rg = 10 k VSTB = 5 V Vol. = 0 V 65 60 55 50 10 100 1 000 10 000 Total hrmonic distortion THD (%) Volume attenuation Att (dB) 95 1 Ch.2 0.1 0.01 100 000 400 Hz HPF 30 kHz LPF Rg = 10 k VSTB = 5 V Vol. = 1.25 V Ch.1 0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 Volume voltage Vol. (V) Frequency f (Hz) CT VIN CT VCC 90 90 80 80 Ch.2 Ch.2 60 70 Ch.1 50 40 PO = 0.25 W f = 1 kHz RL = 8 400 Hz HPF 30 kHz LPF Rg = 10 k VSTB = 5 V Vol. = 1.25 V 30 20 10 0 0 2 4 6 8 10 12 14 Supply voltage VCC (V) 90 80 Ch.1 Closs talk CT (dB) 70 60 Ch.2 40 VCC = 5 V PO = 0.25 W RL = 8 Rg = 10 k VSTB = 5 V Vol. = 1.25 V 30 20 10 0 10 100 1 000 Frequency f (Hz) 10 Ch.1 60 50 40 VCC = 5 V f = 1 kHz RL = 8 400 Hz HPF 30 kHz LPF Rg = 10 k VSTB = 5 V Vol. = 1.25 V 30 20 10 0 10 100 Input voltage VIN (mV[rms]) CT f 50 Closs talk CT (dB) Closs talk CT (dB) 70 10 000 100 000 1 000 ICs for Audio Common Use AN7512 Technical Data (continued) * Example of PCB pattern Ch.2 out- Ch.2 out+ Ch.1 out+ Ch.1 out- VCC 16 15 14 13 12 11 10 9 TAB 1 2 3 4 5 6 7 8 TAB GND GND (input) VIN (ch.2) Volume VIN (ch.1) Standby Application Circuit Example 10 9 8 11 6 1.0 F 10 k 1.0 F 10 k 68 k 270 k VIN1 7 12 5 14 3 13 15 2 10 F 1.0 F Standby Out2 8 VCC 4 16 1 Out1 8 Volume VIN2 11 Request for your special attention and precautions in using the technical information and semiconductors described in this material (1) An export permit needs to be obtained from the competent authorities of the Japanese Government if any of the products or technologies described in this material and controlled under the "Foreign Exchange and Foreign Trade Law" is to be exported or taken out of Japan. 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