Ordering number: EN2677C Monolithic Linear IC LA4700N 2-Channel 12W AF Power Amplifier for Car Stereos Functions Package Dimensions . Standby switch function built in . Pop noise suppressor built in . Thermal shutdown circuit built in . Overvoltage/surge protector built in . Output pin-to-GND short protector built in . Output pin-to-V short protector built in . Load short protector built in unit : mm 3109-SIP18H [LA4700N] CC Features . Low pop noise at the time of power supply ON/OFF . Excellent oscillation stability SANYO : SIP18H Specifications Maximum Ratings at Ta = 25°C Parameter Maximum supply voltage Surge supply voltage Symbol Conditions Ratings Unit VCC max1 Quiescent t = 30 s 26 V VCC max2 Quiescent 18 V VCC max3 Operating 16 V VCC surge t = 200 ms rise time 1 ms 50 V Maximum output current Io peak Per channel Allowable power dissipation Pd max *Note 4 A 37.5 W Operating temperature Topr –30 to +75 °C Storage temperature Tstg –40 to +150 °C Ratings Unit Operating Conditions at Ta = 25°C Parameter Recommended operating voltage Operating voltage range Recommended load resistance Symbol Conditions VCC VCC op RL BTL/2ch 13.2 V 10 to 16 V 4 to 8 Ω *Note: Use flat head screws for attaching heat sink with tightening torque 39 to 59 Nccm. SANYO Electric Co.,Ltd. Semiconductor Bussiness Headquarters TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110 JAPAN 41596HA(II)/3140MO/N257TA,TS No.2677-1/5 LA4700N Operating Characteristics at Ta = 25°C, VCC = 13.2 V, RL = 4 Ω, f = 1 kHz, Rg = 600 Ω, See specified Test Circuit Symbol Icco VG ∆VG THD Po VNO SVRR CHsep 1st Voff Allowable power dissipation, Pd max – W Parameter Quiescent current Voltage gain Voltage gain difference Total harmonic distortion Output voltage Output noise voltage Ripple rejection Channel separation Standby current Offset voltage Conditions Po = 1 W THD = 10% Rg = 0, B.P.F. = 20 Hz to 20 kHz Vr = 0 dBm, fR = 100 Hz, Rg = 0 Po = 1 W, Rg = 10 kΩ min 60 48 10 40 50 –300 typ 140 50 0.15 12 0.2 55 60 10 max 200 52 2 0.75 0.4 100 300 Unit mA dB dB % W mV dB dB µA mV Infinite heat sink No fin Ambient temperature, Ta – °C Equivalent Circuit Block Diagram Noninverting NF Standby switch Inverting NF Inverting amp Inverting output Noninverting amp Noninverting output protector Ripple filter Pop noise suppressor Noninverting NF Noninverting amp Noninverting output Inverting amp Inverting output Inverting NF No.2677-2/5 LA4700N Sample Application Circuit Inverting output Noninverting NF Inverting NF CMOS µcon contl Inverting output Noninverting NF Inverting NF Main switch Noninverting output Noninverting output * Connect the portion bounded by a dotted line according to your intended applications. When the power relay is not used, connect pin 9 to GND. In this case, the power switch is used to turn ON/OFF the LA4700N or the main switch is used to turn ON/OFF the LA4700N. Muting Supply voltage, VCC – V Po – VIN Output power, Po – W Quiescent current, Icco – mA Icco – VCC Input voltage, VIN – mV No.2677-3/5 LA4700N THD – Po Response – dB Total harmonic distortion, THD – % f Response Total harmonic distortion, THD – % Frequency, f – Hz THD – VCC Total harmonic distortion, THD – % Output power, Po – W THD – f Frequency, f – Hz Pd, ICC – Po Supply voltage, VCC – V Ist – VCC Standby current, Ist – µA Current drain, Icc – A Power dissipation, Pd – W Power supply capacitor 0.22µF/Mylar Supply voltage, VCC– V VNO – VCC Output noise voltage, VNO – mV Ripple rejection ratio, SVRR – dB Output power, Po – W SVRR – fR Ripple frequency, fR – Hz Supply voltage, VCC – V No.2677-4/5 LA4700N SVRR – VCC Output power, Po – W Active-high Signal on Standby Pin – V Channel separation, CH sep – dB Supply voltage, VCC – V CH sep – f Locus of Potential on Output Pin – V Ripple rejection ratio, SVRR – dB Channel separation, CH sep – dB CH sep – Po Frequency, f – Hz To shorten tS in the application herein, the filter capacitor (pin 14) value 220 µF is decreased. Filter capacitor value 100 µF gives tS of 0.6 to 0.7 second. 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 April, 1996. Specifications and information herein are subject to change without notice. No.2677-5/5