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| ICs for Audio Common Use AN5276 5 W x 2-ch (19V, 8 ) power amplifier with variable audio output and volume control Unit : mm 29.750.30 28.00.3 20.00.3 s Features * Few external components : * No Boucherot cells(output C, R) * No Bootstrap Capacitors * No Negative Feeback Capacitors * Built-in muting circuit * Built-in stand-by circuit * Built-in various protection circuits (Load-short, thermal, over-voltage and current) * High ripple rejection(55 dB) * Compatible with AN5275, AN5277 * Operating voltage range 10 V to 24 V(19 V typ.) R1.8 0.6 +0.10 0.25 -0.05 2.54 1 0.6 -0.05 (1.27) (10.0) +0.15 (12.5) 1.20.1 1.450.15 (1.2) 19.10.3 21.90.3 HSIP012-P-0000A s Applications * TV s Block Diagram Att. Ripple filter Att. Con Protection circuit * Temperature * Over-voltage * Over-current * Load short 10 GND 4 (Input) Out Ch.2 GND 9 (Output) N.C. Ch.1 In RF Ch.2 In N.C. Mute 11 Out Ch.1 VCC Standby 12 1 2 3 5 6 7 8 1.800.15 3.50.3 29.60.3 The AN5276 is a monolithic integrated circuit designed for 5.0 W (19 V, 8 ) output audio power amplifier. It is a dual channel SEPP IC suitable for stereo operation in TV application. 12 (10.0) s Overview 7.70.3 3.6 (1.27) (1.3) 1 AN5276 s Pin Descriptions Pin No. 1 2 3 4 5 6 N.C. Ch.1 input Ripple filter Input GND Ch.2 input N.C Descriptions Pin No. 7 8 9 10 11 12 ICs for Audio Common Use Descriptions Ch.2 output Mute Output GND VCC Standby Ch.1 output s Absolute Maximum Ratings Parameter Supply voltage Supply current Power dissipation *2 *1 Symbol VCC ICC PD Topr Tstg Rating 26.0 4.0 37.5 -25 to +75 -55 to +150 Unit V A W C C Operating ambient temperature Storage temperature *1 Note) *1 : Except these items, all other measurements are taken at Ta = 25 C. *2 : Ta = 75 C. s Recommended Operating Range Parameter Supply voltage Symbol VCC Range 10.0 to 24.0 Unit V 2 ICs for Audio Common Use s Electrical Characteristics at VCC = 19 V, f = 1 kHz, RL = 8 , Ta = 25 C Parameter Quiescent current Output end noise voltage Voltage gain Total harmonic distortion Maximum Output Power Maximum Output power Ripple rejection ratio Channel balance Muting Ratio Muting control voltage Standby control voltage 'on' Standby control voltage 'off' Channel crosstalk *1 *1 AN5276 Symbol ICQ VNO GV THD PO PO RR CB MR VMUTE Conditions VIN = 0 mV No input, Rg = 10 k VIN = 57 mV VIN = 57 mV VCC = 22 V, THD = 10 % VCC = 19 V, THD = 10 % Vr = 1 Vrms fr = 120 Hz, Rg = 10 k VIN = 57 mV VIN = 57 mV VIN = 57 mV, MR 70 dB Min 32 5.6 4.0 45 -1.0 70 3.0 8.5 50 Typ 35 0.22 34 0.2 7.0 5.0 55 0 80 60 Max 70 0.4 36 0.4 1.0 5.0 Unit mA mV dB % W W dB dB dB V V V dB VSTD-ON No input, ICC 0.1 mA VSTD-OFF No input, ICC 17 mA CT VIN = 57 mV, Rg = 10 k Note) *1 : For this measurement, use the 20 Hz to 20 kHz (12 dB/OCT) filter. 3 AN5276 s Terminal Equivalent Circuits Pin No. 1 2 2 200 400 Equivalent circuit ICs for Audio Common Use Description Not connected Ch.1 input This is the amplifier input pin. DC voltage (V) 0 30 k 4 3 10 Ripple filter This is the pin to connect the positive terminal of a ripple filter capactior. VCC-1.5VBE 30 k 3 20 k 4 4 5 5 200 15.7 k 15 k Input GND Input ground pin 400 Ch.2 input This is the amplifier input pin. 0 30 k 4 6 Not connected 4 ICs for Audio Common Use s Terminal Equivalent Circuits (continued) Pin No. 7 Equivalent circuit Description Ch.2 output Ch.2 output pin AN5276 DC voltage (V) VCC/2 10 Pre amp. Driver Cct 7 600 VCC/2 9 30 k 8 10 Mute Mute input pin. Mute 'on' = 5 V Mute 'off' = 0 V 3 k 10 k 8 200 3 k 4 9 10 Output GND Ch.1 & Ch.2 output ground. VCC This is the power supply pin. 0 19 V(typ.) 5 AN5276 s Terminal Equivalent Circuits (continued) Pin No. 11 10 ICs for Audio Common Use Equivalent circuit Description Standby This is the standby control pin. DC voltage (V) 11 5 k 5 k 3 k 4 12 Ch.1 output Ch.1 output pin 10 VCC/2 Driver Cct Pre amp. 12 600 30 k 9 6 ICs for Audio Common Use s Application Circuit Example AN5276 VCC 100 F R.F. VCC 1000 F 1 5V STB off STB on STB 11 VIN1 1 F 10 k 8 2 12 1000 F SP 8 VIN2 1 F 10 k 5V 5 7 1000 F SP 8 Mute on Mute off 8.2 k Mute 8 10 F 4 1 6 9 Output GND N.C. STB off STB on Mute off Mute on VCC 0V 0V 5V s Usage Notes 1) External heatsink is needed when used. External heatsink should be fixed to the chassis. 2) Fin of the IC can be connected to GND. 3) Please prevent output to VCC short and output to GND short. 4) The temperature protection circuit will operate at Tj around 150 C. However, if temperature decreass, the protection circuit would automatically be deactivated and resume normal operation. Input GND N.C. 7 AN5276 s Technical Information * PD Ta curves of HSI P012-P-0000A PD T a 80 ICs for Audio Common Use 70 62.5 W 60 Power dissipation PD (W) (1) 50 (1) Tc = Ta, 62.5 C/W(j-c = 2 C/W) (2) 20.83 W(f = 4.0 C/W) With a 100cm2 x 3mm Al heat sink (black colour coated) or a 200cm2 x 2mm Al heat sink (not lacquered) (3) 15.63 W(f = 6.0 C/W) With a 100cm2 x 2mm Al heat sink (not lacquered) (4) 3.0 W at Ta = 25 C(j-a = 42 C/W) Without heat sink 40 30 20.8 W (2) 15.6 W 10 3.0 W 0 0 25 50 75 100 125 150 (4) (3) 20 Ambient Temperature Ta (C) 8 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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