ICs for Audio Common Use AN7511, AN7511S 1-W BTL audio power amplifier ■ Overview AN7511 Unit: mm 8 2 7 3 6 4 0.5 1.3 1.5 1 2.54 9.2±0.2 0.9 1.0 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. 5 6.4±0.2 ■ Features 0.30±0.26 3.89±0.20 3.35±0.20 • 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 +0.105 .0 0.30 –0 3° to 15° 7.62±0.30 ■ Applications DIP008-P-0300 • Televisions, radios, and personal computers AN7511S Unit: mm 5.01±0.20 8 5 0.15±0.10 6.40±0.20 4.30±0.20 (1.05) 0° to10° 0.50±0.20 (0.60) 1.27 0.10 1.75max. 4 1.45±0.10 1 0.40+0.10 –0.05 Seating plane SOP008-P-0225C ■ Block Diagram Ripple rejection circuit VCC 5 1 Standby Attenuator Output 6 Thermal shutdown 28 dB 8 4 Mute GND 3 28 dB 2 GND 7 (for output) Attenuator control Input Output 1 AN7511, AN7511S ICs for Audio Common Use ■ Pin Descriptions Pin No. Description 1 Standby (standby state if this pin is open.) 2 Input 3 Ground (for input) 4 Muting (muting on if this pin is open.) 5 Supply voltage 6 + Output 7 Ground (for output ch.1) 8 − Output ■ Absolute Maximum Ratings Parameter Supply voltage *2 Symbol Rating Unit VCC 14 V ICC 1.0 A PD 541 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 = 25°C. *2: At no signal *3: The power dissipation shown is the value for Ta = 70°C. ■ Recommended Operating Range Parameter Supply voltage Symbol Range Unit VCC 3.5 to 13.5 V ■ Electrical Characteristics at VCC = 5.0 V, RL = 8 Ω, f = 1 kHz, Ta = 25°C ± 2°C Parameter Symbol Conditions Typ Max Unit Quiescent circuit current ICQ VIN = 0 mV 30 60 mA Standby current ISTB VIN = 0 mV 1 10 µA VNO Rg = 10 kΩ 0.14 0.4 mV[rms] GV PO = 0.25 W 32 34 36 dB Total harmonic distortion THD PO = 0.25 W 0.05 0.5 % Maximum output power PO1 THD = 10% 0.8 1.1 W RR Rg = 10 kΩ, VR = 1 V[rms], fR = 120 Hz 30 50 dB Output noise voltage * Voltage gain Ripple rejection ratio Output offset voltage Muting effect * * VOFF Rg = 10 kΩ −300 0 300 mV MT PO = 0.25 W 70 86 dB Note) *: In measuring, the filter for the range of 15 Hz to 30 kHz (12 dB/OCT) is used. 2 Min ICs for Audio Common Use AN7511, AN7511S ■ Terminal Equivalent Circuits 2 10 kΩ VRF (≈ VCC) 10 kΩ 12 kΩ 200 Ω To the shock sound prevention circuit 5 kΩ 1 Voltage 5V VCC 33 kΩ Standby pin 50 kΩ 1 Equivalent circuit 30 kΩ Pin name 2 kΩ Pin No. 1/2 VCC To the constant current circuit Input pin 0 mV to 10 mV 30 µA VCC 200 Ω 400 Ω 30 kΩ 2 Muting pin VCC 4 200 Ω 5 kΩ 4 0V 3 50 µA GND 5 kΩ 3 Ref. = 1.25 V To Mute 3 AN7511, AN7511S ICs for Audio Common Use ■ Terminal Equivalent Circuits (continued) Pin No. Pin name Equivalent circuit Voltage 5 VCC 5.0 V 6 + Output pin VCC 200 Ω 1/2 VCC 7 800 Ω 50 Ω 2.15 V 6 20 kΩ GND 0V 7 8 − Output pin VCC 200 Ω 1/2 VCC 800 Ω 50 Ω 2.15 V 8 20 kΩ ■ 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 AN7511, AN7511S ■ Technical Data 1. Package power dissipation PD T a 1 000 900 Independent IC without a heat sink Rth(j-a) = 148°C/W PD = 845 mW (25°C) Power dissipation PD (mW) 800 700 600 500 400 300 200 100 0 0 25 50 70 75 100 125 150 Ambient temperature Ta (°C) 2. Main characteristics ICQ , ISTB VCC 100 10 7 90 9 80 8 70 7 60 6 Output power PO (W) 6 5 PO (8 Ω) 4 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 3 2 1 0 0 2 4 6 8 10 Supply voltage VCC (V) 12 14 Quiescent circuit current ICQ (A) 8 50 5 ICQ 4 RL = 8 Ω Both ch. inputs 3 Rg = 10 kΩ VSTB = 0 V/5 V 2 VMUTE = 0 V 1 40 30 20 ISTB 10 0 0 2 4 6 8 10 12 14 Standby current ISTB (µA) PO VCC 0 Supply voltage VCC (V) 5 AN7511, AN7511S ICs for Audio Common Use ■ Technical Data (continued) 2. Main characteristics (continued) PO , THD VIN PC , ICC PO 100 1.0 2.0 PO 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 10 0.1 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 THD (100 kHz) 0.01 THD (1 kHz) 0.001 1 1 10 0.1 Power consumption PC (W) Output power PO (W) THD (10 kHz) 1 Total harmonic distortion THD (%) 1.8 1.4 1.2 0.5 0.4 0.8 0.3 0.6 ICC (8 Ω) 0.4 0.1 0.0 0.0 0.5 1.8 10 1.6 32 1.4 31 1.2 1.0 PO 25 0.8 Both ch. inputs Rg = 10 kΩ 0.6 VSTB = 5 V VMUTE = 0 V 0.4 VCC = 5 V PO = 0.25 W THD = 10% RL = 8 Ω 400 Hz HPF 30 kHz LPF 10 1 000 100 Output power PO (W) Voltage gain GV (dB) GV 33 Total harmonic distortion THD (%) 2.0 26 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 1 THD 0.1 0.2 0.0 100 000 10 000 0.01 10 100 Frequency f (Hz) GV Voltage gain GV (dB) 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 30 29 28 27 25 0.7 0.6 0.5 0.4 0.2 0.1 THD 0 2 4 6 8 10 Supply voltage VCC (V) 6 0.8 0.3 26 100 000 12 14 0.0 80 70 Ripple rejection ratio RR (dB) 0.9 Total harmonic distortion THD (%) 1.0 34 31 10 000 RR VCC 35 32 1 000 Frequency f (Hz) GV , THD VCC 33 0.0 1.5 1.0 THD f 34 27 0.2 Output power PO (W) 35 28 0.6 PC (8 Ω) GV , PO f 29 0.7 1.0 Input voltage VIN (mV[rms]) 30 0.8 0.2 0.01 1 000 100 1.6 0.9 60 RR 50 40 30 RL = 8 Ω Rg = 10 kΩ VSTB = 5 V VMUTE = 0 V VRIPPLE = 1 V[rms] fRIPPLE = 120 Hz 20 10 0 0 2 4 6 8 10 Supply voltage VCC (V) 12 14 Supply current ICC (A) 10 ICs for Audio Common Use AN7511, AN7511S ■ Technical Data (continued) 2. Main characteristics (continued) RR fRIPPLE RR VRIPPLE VCC = 5 V RL = 8 Ω 30 kHz LPF Rg = 10 kΩ Ripple rejection ratio RR (dB) 70 80 VSTB = 5 V VMUTE = 0 V VRIPPLE = 1 V[rms] fRIPPLE = 120 Hz 70 Ripple rejection ratio RR (dB) 80 60 50 RR 40 30 20 10 100 1 000 30 VCC = 5 V RL = 8 Ω Rg = 10 kΩ VSTB = 5 V VMUTE = 0 V VRIPPLE = 1 V[rms] fRIPPLE = 120 Hz 20 10 100 1 000 10 000 100 000 Power supply ripple voltage VRIPPLE (mV[rms]) Power supply ripple frequency fRIPPLE (Hz) VNO VCC VNO Rg 800 VNO (FLAT) 700 600 500 400 RL = 8 Ω Rg = 10 kΩ DIN audio filter VSTB = 5 V VMUTE = 0 V 300 200 100 Output noise voltage VNO (mV[rms]) Output noise voltage VNO (mV[rms]) RR 40 0 10 000 800 0 50 10 10 0 60 VNO 0 2 4 6 8 10 12 700 VNO (FLAT) 600 500 300 VNO 200 100 0 14 VCC = 5 V VSTB = 5 V RL = 8 Ω VMUTE = 0 V Rg = 10 kΩ DIN audio filter 400 10 100 1 000 10 000 100 000 Input impedance Rg (Ω) Supply voltage VCC (V) MT VCC MT VIN 100 100 90 90 80 Muting effect MT (dB) Muting effect MT (dB) MT MT 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 60 50 2 4 6 8 10 Supply voltage VCC (V) 12 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 60 50 40 0 80 14 40 1 10 100 1 000 Input voltage VIN (mV[rms]) 7 AN7511, AN7511S ICs for Audio Common Use ■ Technical Data (continued) 2. Main characteristics (continued) ICQ VSTB MT f 80 100 95 Quiescent circuit current ICQ (A) Muting effect MT (dB) 90 85 MT 80 75 70 VCC = 5 V PO = 0.25 W RL = 8 Ω Rg = 10 kΩ VSTB = 5 V VMUTE = 0 V 65 60 55 50 VCC = 5 V RL = 8 Ω Rg = 10 kΩ VMUTE = 0 V 70 10 100 1 000 10 000 60 50 40 ICQ 30 20 10 0 100 000 0.0 Frequency f (Hz) 0.5 1.0 1.5 2.0 2.5 Standby voltage VSTB (V) 3. Example of PCB pattern Out + Out − VCC 8 7 6 5 1 2 3 4 GND GND Mute VIN Standby 8 3.0 ICs for Audio Common Use AN7511, AN7511S ■ Application Circuit Example VIN1 5 100 kΩ 47 kΩ 1.0 µF 4 6 VCC 3 7 10 kΩ 2 Standby 270 kΩ 68 kΩ 10 µF 1 8 Out1 8Ω Mute 9