LA42072

Ordering number : ENA1037 Monolithic Linear IC LA42051 Overview Audio Output for TV Application 5W×1ch Power Ampilfier LA42051 is 5W 1-channel AF power amplifier intended for televisions. Features • PO1 5W×1ch (VCC = 18V, RL = 8Ω) • Built-in standby function • Pop noise reduction function • Ripple filter • Thermal protection circuit LA42000 series is power IC which made Pin compatible altogether in 5 to 15W. They consist of four kinds of power ICs (mono, stereo, mono with volume function, stereo with volume function. They realized PCB layout communalization of an audio power block of TV). Model name LA42051 LA42052 LA42351 LA42352 LA42071 LA42072 LA42152 PO 5W 5W 5W 5W 7W 7W 15W Channel Monaural Stereo Volume Any and all SANYO Semiconductor Co.,Ltd. products described or contained herein are, with regard to "standard application", intended for the use as general electronics equipment (home appliances, AV equipment, communication device, office equipment, industrial equipment etc.). The products mentioned herein shall not be intended for use for any "special application" (medical equipment whose purpose is to sustain life, aerospace instrument, nuclear control device, burning appliances, transportation machine, traffic signal system, safety equipment etc.) that shall require extremely high level of reliability and can directly threaten human lives in case of failure or malfunction of the product or may cause harm to human bodies, nor shall they grant any guarantee thereof. If you should intend to use our products for applications outside the standard applications of our customer who is considering such use and/or outside the scope of our intended standard applications, please consult with us prior to the intended use. If there is no consultation or inquiry before the intended use, our customer shall be solely responsible for the use. Specifications of any and all SANYO Semiconductor Co.,Ltd. products described or contained herein stipulate the performance, characteristics, and functions of the described products in the independent state, and are not guarantees of the performance, characteristics, and functions of the described products as mounted in the customer' s products or equipment. To verify symptoms and states that cannot be evaluated in an independent device, the customer should always evaluate and test devices mounted in the customer' s products or equipment. 30508 TI IM B8-8019 No.A1037-1/6 LA42051 Specifications Absolute Maximum Ratings at Ta = 25°C Parameter Maximum supply voltage Allowable power dissipation Maximum junction temperature Thermal resistance Operating temperature Storage temperature Symbol VCC max Pd max Tj max θjc Topr Tstg No signal Infinite heat sink Conditions Ratings 24 15 150 3 -25 to +75 -40 to +150 Unit V W °C °C/W °C °C Operating Condition at Ta = 25°C Parameter Recommended supply voltage Recommended load resistance Allowable operating supply voltage range Symbol VCC RL VCC op Conditions Ratings 18 8 5.5 to 22 Unit V Ω V Operating Characteristics at Ta = 25°C, VCC = 18V, RL = 8Ω, f = 1kHz, Rg = 600Ω Parameter Standby current Quiescent current Output power Total harmonic distortion Voltage gain Output noise voltage Ripple rejection Standby control voltage (Pin 5) Symbol ISTB ICCO PO THD VG VNO SVRR VSTB-H VSTB-L Input resistance Ri Amplifier off Rg = 0Ω THD = 10% PO = 1W VO = 0dBm Rg = 0Ω, BPF = 20Hz to 20kHz Rg = 0Ω, fR = 100Hz, VCCR = 0dBm Amplifier on Amplifier off 50 1 0 21 30 33 15 4 Conditions min Ratings typ 1 25 5 0.15 35 0.05 60 5 0.5 39 0.4 37 0.25 max 10 50 μA mA W % dB mVrms dB V V kΩ Unit Package Dimensions unit : mm (typ) 3107B Allowable power dissipation, Pd max - W 25.6 C0.7 3.4 (10.0) ( 2.0) 2.4 18 Pd max - Ta Infinite heat sink 15 3.0 min 16 14 12 11.7 10 8 6 5.8 4 2 0 -20 100×100×1.5mm3 Al heat sink Mounting Torque 39N⋅cm Flat washer Silicone greas applird θj=3°C/W 11.2 (11.8) 15.4max (13.9) 50×50×1.5mm3 4.5 0.5 2.0 (0.8) 1.15 1.0 min 1 13 No Fin 0.4 1.2 0 20 40 60 80 100 120 140 160 Ambient temperature, Ta - °C SANYO : SIP13H No.A1037-2/6 LA42051 Block Diagram Test Circuit LA42051 Ripple Filter 1 C2 100 F /16V PRE GND 3 PWR GND 10 N.C. 2 IN 4 STB 5 C3 4.7 F /16V P.P 6 Vcc 7 OUT 8 N.C. 9 C5 470 F /16V RL N.C. 11 N.C. 12 N.C. 13 C4 1000 F /25V C1 1F /10V Description of External parts C1 : Input coupling capacitor, for which 1.0μF is recommended. The potential of input pin is 2VBE (about 1.4V). Therefore, the polarity must be determined according to the DC potential of the circuit connected to the previous step of LA42051. : Capacitor for ripple filter, for which 100μF is recommended. : Capacitor for attenuation of pop noise, for which 4.7μF is recommended. : Power supply capacitor. : Output capacitor, for which 470μF is recommended. Determine the constant while taking into account a fact that, with the capacitance set to 470μF or less, the roll-off frequency decreases in the low range. C2 C3 C4 C5 No.A1037-3/6 LA42051 1. Standby function (pin 5) The amplifier can be turned ON/OFF through HIGH/LOW control of pin 5. The amplifier is turned ON when the voltage of 1.0V (min) or more is applied to pin 5. Pin 5 control voltage Voltage of pin 5 0 to 0.5 1.0 to 5.0 Amplifier OFF ON Standby ON OFF Insert a limiting resistor (RSTB) when the inrush current to pin 5 is to be limited if the application voltage to VS is high. Example: when VS=5V, RSTB=5.1kΩ is inserted The inrush current to pin 5 is about 750μA and the potential of pin 5 is about 1.2V. 2. Ripple filter and MUTE function (Pin 1) The potential of pin 1 is about 1/2 VCC. Muting to control the output signal becomes effective by shifting down pin 1 with 300 to 500Ω. Note that the MUTE suppression rate decreases when the resistance exceeds 750Ω. 3. Input pin (Pin 4) The potential of input pin is 2VBE (about 1.4V). Therefore, the polarity must be determined according to the DC potential of the circuit connected to the previous step of LA42051. The standard input resistance is 30kΩ. For the input capacitor, 1.0μF is recommended. The starting time with power ON in this case is about 0.2s. The starting time becomes about 1.5s when the capacitance is 10μF. 4. P.P (Pin 6) This is the pin to attenuate the pop noise during power ON/ OFF. Note that, with the capacitance set at 10μF or more, the sound may remain because the signal is not cut off. VCC - VCE (about 0.3V) -5.6V 2 Pin 6 potential = + 5.6V Cautions for use 1. As power fault (power supply - output short-circuit) and ground fault (GND - output short-circuit) protective circuits are not incorporated, due care must be taken during use. 2. The thermal protective circuit is incorporated, which is activated when the junction temperature (Tj) rises to about 160°C or more, controlling the output gradually to the attenuated condition. 3. During use near the maximum rating, the product may suffer damage if the slightest fluctuation of condition exceeds the maximum rating. Be sure to use the product within a range which never exceeds the maximum rating while allowing sufficient margin for the supply voltage, etc. No.A1037-4/6 LA42051 I cco - Vcc 60 50 40 30 20 10 0 0 2 4 6 8 10 12 14 16 18 20 22 24 2 RL=8Ω Rg=0Ω 10 RL=8Ω Rg=600Ω f=1kHz THD=10% Po - Vcc 8 Icco [mA] Po [W] 6 4 0 4 6 8 10 12 14 16 18 20 22 Vcc [V] THD - Po 100 Vcc=18V RL=8Ω Rg=600Ω f=1kHz f=100Hz f=10kHz 100 Vcc [V] THD - f Vcc=18V RL=8Ω Rg=600Ω Po=1W 10 10 THD [%] 1 THD [%] 0.1 1 10 1 0.1 0.1 0.01 0.01 10 100 1000 10000 100000 Po [W] f-Response 2 0 0.3 Vcc=18V RL=8Ω DIN AUDIO f [Hz] Vno - Rg Response [dB] -2 -4 -6 -8 -10 -12 -14 -16 10 100 1000 10000 100000 1000000 0 100 Vcc=18V RL=8Ω Rg=600Ω vo=0dBm(at f=1kHz) Vno [mVrms] 0.2 0.1 1000 f [Hz] SVRR - Vcc 0 -10 -20 RL=8Ω Rg=0Ω fr=100Hz Vr=0dBm Cvcc=1μF 0 -10 -20 Vcc=18V RL=8Ω Rg=0Ω Vr=0dBm Cvcc=1μF Rg [Ω] 10000 100000 SVRR - fr -30 -40 -50 -60 -70 -80 4 6 SVRR[dB] SVRR [dB] -30 -40 -50 -60 -70 -80 8 10 12 14 16 18 20 22 24 10 100 1000 10000 Vcc [V] fr [Hz] No.A1037-5/6 LA42051 SVRR - Vr 0 -10 -20 Vcc=18V RL=8Ω Rg=0Ω fr=100Hz Cvcc=1μF SVRR=20log(Vo/Vr) 3 2.5 2 RL=8Ω Rg=600Ω f=1kHz Pd-Po SVRR [dB] Pd[W] -30 -40 -50 -60 -70 -80 0 1.5 1 Vcc=18V 0.5 0 Vcc=14V Vcc=12V 0.2 0.4 0.6 0.8 1 1.2 1.4 1.6 1.8 2 2.2 0.1 1 10 Vr [Vrms] Po[W] SANYO Semiconductor Co.,Ltd. assumes no responsibility for equipment failures that result from using products at values that exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or other parameters) listed in products specifications of any and all SANYO Semiconductor Co.,Ltd. products described or contained herein. SANYO Semiconductor Co.,Ltd. strives to supply high-quality high-reliability products, however, any and all semiconductor products fail or malfunction with some probability. It is possible that these probabilistic failures or malfunction could give rise to accidents or events that could endanger human lives, trouble that could give rise to smoke or fire, or accidents that could cause damage to other property. When designing equipment, adopt safety measures so that these kinds of accidents or events cannot occur. Such measures include but are not limited to protective circuits and error prevention circuits for safe design, redundant design, and structural design. In the event that any or all SANYO Semiconductor Co.,Ltd. products described or contained herein are controlled under any of applicable local export control laws and regulations, such products may require the export license from the authorities concerned in accordance with the above law. No part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopying and recording, or any information storage or retrieval system, or otherwise, without the prior written consent of SANYO Semiconductor Co.,Ltd. Any and all information described or contained herein are subject to change without notice due to product/technology improvement, etc. When designing equipment, refer to the "Delivery Specification" for the SANYO Semiconductor Co.,Ltd. product that you intend to use. Information (including circuit diagrams and circuit parameters) herein is for example only; it is not guaranteed for volume production. Upon using the technical information or products described herein, neither warranty nor license shall be granted with regard to intellectual property rights or any other rights of SANYO Semiconductor Co.,Ltd. or any third party. SANYO Semiconductor Co.,Ltd. shall not be liable for any claim or suits with regard to a third party's intellectual property rights which has resulted from the use of the technical information and products mentioned above. This catalog provides information as of March, 2008. Specifications and information herein are subject to change without notice. PS No.A1037-6/6