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| ICs for Audio Common Use AN7511 1-W BTL audio power amplifier I Overview The AN7511 is an audio power amplifier IC with 1-ch output. The BTL (Balanced Transformer-Less) method can provide fewer external parts and more easy design for applications. Unit: mm 1 9.20.2 8 0.5 1.3 1.5 2 3 4 6.40.2 7 6 5 I Features * 1-W output (8 ) with supply voltage of 5 V * On-chip standby function * On-chip muting function 0.30.26 3.350.2 3.890.2 I Applications * Televisions, radios, and personal computers 3 to 15 7.620.3 0.30 -0 +0.1 5 .0 DIP008-P-0300K I Block Diagram VCC 5 Attenuator Output 6 Ripple rejection circuit 1 Standby Thermal shutdown 28 dB 8 Output Attenuator control 28 dB GND 7 (for output) 2 3 Input GND Mute 4 2.54 0.9 1.0 Publication date: November 2001 SDC00031BEB 1 AN7511 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 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 = 0.5 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 SDC00031BEB AN7511 I Terminal Equivalent Circuits Pin No. 1 Pin name Standby pin VCC 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 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 SDC00031BEB 3 AN7511 I Terminal Equivalent Circuits (continued) Pin No. 5 6 Pin name VCC + Output pin Equivalent circuit VCC Voltage 5.0 V 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 SDC00031BEB AN7511 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) 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) SDC00031BEB Standby current ISTB (A) 6 Output power PO (W) 5 AN7511 I Technical Data (continued) 2. Main characteristics (continued) PO , THD VIN 10 PO 1 10 100 2.0 1.8 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 PC , ICC PO 1.0 0.9 0.8 0.7 0.6 0.5 Total harmonic distortion THD (%) Power consumption PC (W) 1.6 1.4 1.2 1.0 THD (10 kHz) 0.1 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 0.01 THD (1 kHz) 0.001 1 10 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 SDC00031BEB Supply current ICC (A) Output power PO (W) AN7511 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 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]) SDC00031BEB 7 AN7511 I Technical Data (continued) 2. Main characteristics (continued) MT f 100 95 90 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 SDC00031BEB AN7511 I Application Circuit Example Out1 8 VCC 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 SDC00031BEB 9 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. (2) The technical information described in this material is limited to showing representative characteristics and applied circuit examples of the products. It does not constitute the warranting of industrial property, the granting of relative rights, or the granting of any license. (3) The products described in this material are intended to be used for standard applications or general electronic equipment (such as office equipment, communications equipment, measuring instruments and household appliances). Consult our sales staff in advance for information on the following applications: * Special applications (such as for airplanes, aerospace, automobiles, traffic control equipment, combustion equipment, life support systems and safety devices) in which exceptional quality and reliability are required, or if the failure or malfunction of the products may directly jeopardize life or harm the human body. * Any applications other than the standard applications intended. (4) The products and product specifications described in this material are subject to change without notice for reasons of modification and/or improvement. At the final stage of your design, purchasing, or use of the products, therefore, ask for the most up-to-date Product Standards in advance to make sure that the latest specifications satisfy your requirements. (5) When designing your equipment, comply with the guaranteed values, in particular those of maximum rating, the range of operating power supply voltage and heat radiation characteristics. Otherwise, we will not be liable for any defect which may arise later in your equipment. Even when the products are used within the guaranteed values, redundant design is recommended, so that such equipment may not violate relevant laws or regulations because of the function of our products. (6) When using products for which dry packing is required, observe the conditions (including shelf life and after-unpacking standby time) agreed upon when specification sheets are individually exchanged. (7) No part of this material may be reprinted or reproduced by any means without written permission from our company. Please read the following notes before using the datasheets A. These materials are intended as a reference to assist customers with the selection of Panasonic semiconductor products best suited to their applications. Due to modification or other reasons, any information contained in this material, such as available product types, technical data, and so on, is subject to change without notice. Customers are advised to contact our semiconductor sales office and obtain the latest information before starting precise technical research and/or purchasing activities. B. Panasonic is endeavoring to continually improve the quality and reliability of these materials but there is always the possibility that further rectifications will be required in the future. Therefore, Panasonic will not assume any liability for any damages arising from any errors etc. that may appear in this material. C. These materials are solely intended for a customer's individual use. Therefore, without the prior written approval of Panasonic, any other use such as reproducing, selling, or distributing this material to a third party, via the Internet or in any other way, is prohibited. 2001 MAR |
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