AN7511

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 9.2±0.2 4 6.4±0.2 5 3.35±0.20 I Features • 1-W output (8 Ω) with supply voltage of 5 V: AN7511 • 0.5-W output (16 Ω) with supply voltage of 5 V: AN7511S • On-chip standby function • On-chip muting function 3° to 15° 0.30±0.26 3.89±0.20 0.30 –0 7.62±0.30 +0.10 .05 I Applications • Televisions, radios, and personal computers AN7511S 5.01±0.20 8 DIP008-P-0300 Unit: mm 5 (1.05) 4.30±0.20 6.40±0.20 0.15±0.10 0° to10° 0.50±0.20 1 4 1.45±0.10 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 = 25°C. *2: At no signal *3: The power dissipation shown is the value for Ta = 70°C. 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 Ω, f = 1 kHz, Ta = 25°C ± 2°C 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 kΩ 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 µA mV[rms] dB % W dB mV dB Rg = 10 kΩ, VR = 1 V[rms], fR = 120 Hz Rg = 10 kΩ 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 kΩ To the shock sound prevention circuit 1 50 kΩ 2 kΩ 200 Ω 12 kΩ 10 kΩ VRF (≈ VCC) 33 kΩ 5 kΩ 10 kΩ 1/2 VCC To the constant current circuit 2 Input pin VCC 0 mV to 10 mV 30 µA 2 200 Ω 400 Ω 3 GND 30 kΩ 3 0V 4 Muting pin VCC 50 µA  5 kΩ 4 200 Ω 5 kΩ 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 Ω 1/2 VCC 50 Ω 6 800 Ω 20 kΩ 7 GND 7 0V 8 − Output pin VCC 2.15 V 200 Ω 1/2 VCC 50 Ω 8 800 Ω 20 kΩ 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 = 150°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 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) = 148°C/W PD = 845 mW (25°C) 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 Ω Both ch. inputs 3 Rg = 10 kΩ 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 Ω) 4 3 2 1 0 0 2 4 6 8 10 12 14 f = 1 kHz THD = 10% RL = 8 Ω 400 Hz HPF 30 kHz LPF Both ch. inputs Rg = 10 kΩ VSTB = 5 V VMUTE = 0 V 4 Supply voltage VCC (V) Supply voltage VCC (V) Standby current ISTB (µA) 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 Ω 400 Hz HPF 30 kHz LPF Both ch. inputs Rg = 10 kΩ VSTB = 5 V VMUTE = 0 V PC (8 Ω) 0.8 0.6 0.4 0.2 ICC (8 Ω) 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 Ω 400 Hz HPF 30 kHz LPF Both ch. inputs Rg = 10 kΩ 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 Ω 400 Hz HPF 30 kHz LPF 1.0 0.8 Both ch. inputs Rg = 10 kΩ 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 kΩ PO = 0.25 W VSTB = 5 V RL = 8 Ω 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 Ω 400 Hz HPF 30 kHz LPF Both ch. inputs Rg = 10 kΩ 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 Ω Rg = 10 kΩ 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 Ω 30 kHz LPF Rg = 10 kΩ 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 Ω Rg = 10 kΩ 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 Ω Rg = 10 kΩ DIN audio filter VSTB = 5 V VMUTE = 0 V VCC = 5 V VSTB = 5 V RL = 8 Ω VMUTE = 0 V Rg = 10 kΩ 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 (Ω) 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 Ω 400 Hz HPF 30 kHz LPF Rg = 10 kΩ VSTB = 5 V VMUTE = 0 V 0 2 4 6 8 10 12 14 70 VCC = 5 V f = 1 kHz RL = 8 Ω 400 Hz HPF 30 kHz LPF Rg = 10 kΩ 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 Ω Rg = 10 kΩ 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 Ω Rg = 10 kΩ 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 8Ω VCC AN7511, AN7511S 8 7 6 1 2 3 270 kΩ 4 5 Standby VIN1 Mute 100 kΩ 1.0 µF 68 kΩ 10 kΩ 47 kΩ 10 µF 9