Ordering number: EN2683A Monolithic Linear IC LA4282 2-Channel 10 W AF Power Amplifier for Use in Home Stereo, TV Applications Overview Package Dimensions The LA4282 is an IC which seals a high-output power amplifier for TVs and monitors in a compact package. unit : mm 3049A-SIP12H [LA4282] Features . High-power 2-channel AF power amplifier . Low distortion . Minimum number of external parts required bootstrap capacitor required) . (no Low pop noise at the time of power supply ON/OFF . Good ripple rejection (58 dB typ) . Wide operating voltage range . External muting available . On-chip protector against abnormality SANYO : SIP12H (thermal shutdown, overvoltage) Specifications Maximum Ratings at Ta = 25 °C Parameter Symbol Maximum supply voltage VCC max Maximum output current IO peak Allowable power dissipation Pd max Conditions Quiescent Ratings Unit 45 With heat sink V 4 A 25 W Operating temperature Topr –20 to +75 °C Storage temperature Tstg –40 to +150 °C Ratings Unit Operating Conditions at Ta = 25°C Parameter Recommended supply voltage Symbol VCC VCC op Recommended load resistance RL Conditions 32 V 10 to 40 V 8 Ω SANYO Electric Co.,Ltd. Semiconductor Bussiness Headquarters TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110 JAPAN 22896HA(II)/7118TA,TS No.2683-1/6 LA4282 Operating Characteristics at Ta = 25°C, VCC= 32 V, RL = 8 Ω, f = 1 kHz, Rg = 600 Ω, See Test Circuit. Parameter Quiescent current Voltage gain Voltage gain difference Output power Total harmonic distortion Output noise voltage Ripple rejection Crosstalk Muting Symbol ICCO(1) ICCO(2) VG ∆VG PO (1) PO (2) THD VNO SVRR CT VO(MT) Conditions Quiescent Muting switch On THD = 1% THD = 3% PO = 2 W Rg = 10 kΩ, BW = 20 Hz to 20 kHz Rg = 10 kΩ, fR = 100 Hz, VR = 0 dBm Rg = 10 kΩ Muting switch On, VIN = –5 dBm min 30 30 38 typ 60 56 40 9.0 10.0 10.0 11.5 0.05 0.25 58 60 45 45 max 100 100 42 1.5 0.20 1.0 –35 Unit mA mA dB dB W W % mV dB dB dBm Equivalent Circuit Block Diagram and Pin Assignment No.2683-2/6 LA4282 Test Circuit With arbitrarily large heat sink Tightening torque 39Nccm With silicone grease applied With 200 × 200 × 1.5 mm3 Al board With 100 × 100 × 1.5 mm3 Al board With 50 × 50 × 1.5 mm3 Al board Independent IC Ambient temperature, Ta − °C Output power, PO – W Output power, PO – W Allowable power dissipation, Pd max − W Polyester film capacitor Supply voltage, VCC – V Supply voltage, VCC – V No.2683-3/6 Output power, PO – W Output power, PO – W LA4282 Frequency, f – Hz Mute OFF (RL = 8 Ω) Noise level Mute ON Output Power, PO – W Output signal level, VO − dBm Frequency, f – Hz Input voltage,VIN – mV Total harmonic distortion, THD – % Total harmonic distortion, THD – % Input voltage, VIN − dBm Frequency, f – Hz Response – dB Current dissipation, ICC – A Output power, PO – W Response – f Frequency, f – Hz Output power, PO – W No.2683-4/6 Crosstalk, C.T – dB Output ripple voltage, VRO – mV Output noise voltage, VNO – mV BW = 20 Hz to 20 kHz Supply voltage, VCC – V Output ripple voltage, VRO – mVms Allowable power dissipation, Pd – W Allowable power dissipation, Pd – W Allowable power dissipation, Pd – W Output power, PO – W LA4282 Supply voltage, VCC – V Output power, PO – W Output power, PO – W Output power, PO – W Signal source resistance, Rg − Ω Ripple voltage, VR – Vrms Frequency, f – Hz No.2683-5/6 LA4282 No products described or contained herein are intended for use in surgical implants, life-support systems, aerospace equipment, nuclear power control systems, vehicles, disaster/crime-prevention equipment and the like, the failure of which may directly or indirectly cause injury, death or property loss. Anyone purchasing any products described or contained herein for an above-mentioned use shall: 1 Accept full responsibility and indemnify and defend SANYO ELECTRIC CO., LTD., its affiliates, subsidiaries and distributors and all their officers and employees, jointly and severally, against any and all claims and litigation and all damages, cost and expenses associated with such use: 2 Not impose any responsibility for any fault or negligence which may be cited in any such claim or litigation on SANYO ELECTRIC CO., LTD., its affiliates, subsidiaries and distributors or any of their officers and employees jointly or severally. Information (including circuit diagrams and circuit parameters) herein is for example only; it is not guaranteed for volume production. SANYO believes information herein is accurate and reliable, but no guarantees are made or implied regarding its use or any infringements of intellectual property rights or other rights of third parties. This catalog provides information as of February, 1996. Specifications and information herein are subject to change without notice. No.2683-6/6