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| Ordering number: EN2677C Monolithic Linear IC LA4700N 2-Channel 12W AF Power Amplifier for Car Stereos Functions Package Dimensions unit : mm . 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 CC 3109-SIP18H [LA4700N] Features . Low pop noise at the time of power supply ON/OFF . Excellent oscillation stability SANYO : SIP18H Specifications Maximum Ratings at Ta = 25C Parameter Maximum supply voltage Symbol VCC max1 VCC max2 VCC max3 Surge supply voltage Maximum output current Allowable power dissipation Operating temperature Storage temperature VCC surge Io peak Pd max Topr Tstg Quiescent Operating t = 200 ms rise time 1 ms Per channel *Note Conditions Quiescent t = 30 s Ratings 26 18 16 50 4 37.5 -30 to +75 -40 to +150 Unit V V V V A W C C Operating Conditions at Ta = 25C Parameter Recommended operating voltage Operating voltage range Recommended load resistance Symbol VCC VCC op RL BTL/2ch Conditions Ratings 13.2 10 to 16 4 to 8 Unit V V *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 = 25C, VCC = 13.2 V, RL = 4 , f = 1 kHz, Rg = 600 , See specified Test Circuit Parameter Quiescent current Voltage gain Voltage gain difference Total harmonic distortion Output voltage Output noise voltage Ripple rejection Channel separation Standby current Offset voltage Symbol Icco VG VG THD Po VNO SVRR CHsep 1st Voff Conditions min 60 48 typ 140 50 0.15 12 0.2 55 60 10 max 200 52 2 0.75 0.4 Unit mA dB dB % W mV dB dB A mV 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 k 10 40 50 -300 100 300 Allowable power dissipation, Pd max - W Infinite heat sink No fin Ambient temperature, Ta - C Equivalent Circuit Block Diagram Inverting NF Noninverting NF Inverting amp Inverting output Standby switch Noninverting amp Noninverting output Ripple filter protector Noninverting amp Pop noise suppressor Noninverting output Inverting amp Inverting output Noninverting NF Inverting NF No.2677-2/5 LA4700N Sample Application Circuit Main switch Noninverting NF Inverting NF CMOS con contl Inverting output Inverting output 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. Icco - VCC Quiescent current, Icco - mA Inverting NF Noninverting NF Po - VIN Muting Supply voltage, VCC - V Output power, Po - W Input voltage, VIN - mV No.2677-3/5 LA4700N THD - Po Total harmonic distortion, THD - % f Response Output power, Po - W THD - f Total harmonic distortion, THD - % Total harmonic distortion, THD - % Response - dB Frequency, f - Hz THD - VCC Frequency, f - Hz Pd, ICC - Po Power dissipation, Pd - W Supply voltage, VCC - V Ist - VCC Power supply capacitor 0.22F/Mylar Output power, Po - W SVRR - fR Ripple rejection ratio, SVRR - dB Output noise voltage, VNO - mV Standby current, Ist - A Current drain, Icc - A Supply voltage, VCC- V VNO - VCC Ripple frequency, fR - Hz Supply voltage, VCC - V No.2677-4/5 LA4700N SVRR - VCC Channel separation, CH sep - dB Ripple rejection ratio, SVRR - dB CH sep - Po Channel separation, CH sep - dB Frequency, f - Hz To shorten tS in the application herein, the filter capacitor (pin 14) value 220 F is decreased. Filter capacitor value 100 F 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. Active-high Signal on Standby Pin - V Locus of Potential on Output Pin - V Supply voltage, VCC - V CH sep - f Output power, Po - W No.2677-5/5 |
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