ll ⒄㈧ J〓 卜 I 〓 〓 一 〓 潘∷ 一 〓 〓 〓 〓 〓∷ ≡ ≡ ≡≡ ∷ 〓 ≡ ・ 〓 ≡ ∷ ≡≡ ・ ≡`∷ '一 ● ● 趔暧毖 叔 ¨⒈¨¨ ¨¨¨・ ¨¨¨ ¨ ¨ ¨¨¨¨¨ 恻嫒 母H 岙 ¨¨¨ ¨ ¨¨Ι¨¨ ¨ 羽翻 鹫 茁辑 ・ ¨¨¨ ¨¨¨ ¨ ¨∷ 护鎏 摺 半 ¨ H ¨¨ ¨¨ l¨ :〓 1¨ :¨ .赛 ..蝶 :¨ ::田 :¨ ⌒ p恩 ≡ <匕 -“ ⅡˉJ 璎醛紊 ‘Jl ∩ e粼 轵 菜 蜊姆恻 蕉睽粼 忑 ∞投哄 趱胛 疮 铷督 副 (郴 蹇 啭 督 <弊 翠 串 靼骱攀 恻蜮 双创巛枳 冖卜臼杯报逶倒 举 口 糨 Φ 0留 蹈轷 田 J鎏 碧 擎 H搀 硪 剁 蹈 瑛逮田邢逛 串 殴羽 靼 丨 瞰 8氨 <v ..备 .垭 〓 〓 〓〓 〓〓〓 〓∴ ' 〓 ∷ 〓 〓 一 〓 ⒈∵ ・ ・〓 ・ .〓 〓 : ° 〓 ° >〓 〓 .趱 'ρ t叩 豁嘏搬扭 旷∵ ` ∷ 獬巛凝擗郄 田田逛剁咽睽 Φ一α dJs田 臼● 萨 I阝 螽擎犟条蚤苒叮饣 ∷廾 〓〓∴ 一 I丨 00H 0臼 "〓 yH≡ 丶报逶爿 冖 日 Φ㈧ 门・卜丨 圉型 <铒 扣妊 ^ >ε 0.㈧ ⒄ 臼υ .0 ηω 叫一 .一 ⌒ °〓 ≥ ⒄Φ ≥ ∽ ※ ∽ ※ N囗 以R氵 N口 氏吕 ˇΝ 民 Ⅱ 翁 禹 — ˇ≥ 8Ⅱ .0 `sb.0"Ⅱ 刂 -丿 α y ≥ 0 ∞ ≥ ≥” .0 ※ .0 .H .0 田υ Φ 丶 .0 .0 ※ 0d≡ 0冖 0〓 "∩ 田υ ∩〓卜 0H≡ ※ .G∞ ^G一 .Gˇ m.扳 逶 爿 > O〓 ∞ υ 〓 0日 Ⅱ屮 逶倒 £ .Ν .报 .G∞ .G∞ "ι <ε 0Ⅱ 0 》 羽蝌 巛啭 ∞ 翮嵌 .叫 氵 〓 ∴田护扳醭 羽姆 浒尔 钅辉 ∷ 侧姆半 泗瑕 田羽鎏羽母 H °°`' (嵝 眇 羽柙田护汝 扭 〓 琚羽鎏羽搀狂 8冖 ・ 迕巛“ 鼋 崽 ∷ 捃 ↑〓亠叫≡〓、 犭 〓〓燃蜮 巛冬 架剞 冖卜∞ 8> 抿送 倒 8> .>oⅡ 臼 0 日卜∞ ・ >< 掀逶倒 0守 丨 Φ 〓 Ⅱ 霉嚣妫巛冬 狎 冖卜臼 ∩ 〓卜 "8> 8> Ⅱ Jn.>∞ 叫 Ⅱ冖 以 报 遥倒 .>∞ "JΗ ≡丿 H⌒>o肛 Ⅱ Ⅱ日 叫 丶 °一 °臼 0≡ 卜 ・Gˇ 囗卜 ∩口卜 0H≡ ※ 奴逶H H— 0 mυ £ ● ˇ 匕 Ξ 氵 ′ >0≡ 8>“ ρ RⅢ ;吣 ・ 氵∷ 靼絮田 Jˇ ˉ KA2209B DUAL LOW VOLTAGE POWER AMP INTRODUCTION 8-DIP-300 The KA2209B is a monolithic integrated audio amplifier in a 8-pin plastic dual in line package. It is designed for portable cassette player and radio. FEATURES • • • • Wide operating supply voltage: VCC = I.8V ~ 9V Low crossover distortion Low quiescent circuit current Bridge/stereo configuration ORDERING INFORMATION BLOCK DIAGRAM Device Package KA2209B 8-DIP-300 NF1 IN1 IN2 NF2 8 7 6 5 - + - Operating Temperature -20°C ~ +70°C + BIAS CIRCUIT Fig. 1 Characteristic 1 2 3 4 OUT1 Vcc OUT2 GND Symbol Value Unit Supply Voltage VCC IPK 15 1 V Output Peak Current Power Dissipation PD Operating Temperature T OPR Storage Temperature T STG at TAMB = 50°C 1.0 at TCASE = 50°C 1.4 -20 ~ + 70 -40 ~ +150 A W °C °C KA2209B DUAL LOW VOLTAGE POWER AMP ABSOLUTE MAXIMUM RATINGS ELECTRICAL CHARACTERISTICS (T a =25°C, Vcc =6V, f =1KHz, unless otherwise specified) Characteristic Symbol Test Conditions Min Typ Vcc Quiescent Circuit Current ICCQ VI = 0 9 mA Gvc Stereo 40 dB Bridge 40 Channel Balance CB Stereo 0.4 0.65 W 0.11 W 1.35 W 0.35 W Stereo, RL = 8Ω, PO = 0.2W 0.5 % Bridge, RL = 8Ω, P O = 0.5W 0.5 % 30 dB VCC = 6V, RL = 4Ω, THD=10% VCC = 3V, RL = 4Ω, THD=10% VCC = 6V, RL = 8Ω, THD=10% Bridge THD dB 0 PO Total Harmonic Distortion V -1 Stereo Output Power 9 Unit Operating Voltage Closed Loop Voltage Gain 1.8 Max 0.9 VCC = 3V, RL = 4Ω, THD=10% Ripple Rejection Ratio RR Stereo, f =100HZ, C3 = 100uF Output Noise Voltage VNO Stereo, BW(-3dB) = 20Hz ~ 20KHz Cross Talk CT Stereo, f =1KHZ Input Resistance RI 24 0.5 50 100 1 2.0 dB mV dB KΩ KA2209B DUAL LOW VOLTAGE POWER AMP APPLICATION CIRCUIT + 5 4 - 1.STEREO 3 100u 6 IN2 470u OUT2 0.1u 10K 2 + 7 IN1 10K V CC 1 - 8 100u RL 4.7 OUT1 470u 0.1u RL 4.7 100u Fig. 2 2. BRIDGE 5 0.01u 6 10u + 7 INPUT 10K 8 4 3 2 + VCC 0.1u 4.7 100u 1 0.1u 4.7 Fig. 3 RL '8$/ý/2:ý92/7$*(ý32:(5ý$03 .$ëëíä% ,1752'8&7,21 åð',3ðêíí 7KHý.$ëëíä%ýLVýDýPRQROLWKLFýLQWHJUDWHGýDXGLRýDPSOLILHUýLQýDQýåð SLQýSODVWLFýGXDOLQOLQHýSDFNDJHïý,WýLVýGHVLJQHGýIRUýXVHýLQýSRUWDEOH FDVVHWWHýWDSHýSOD\HUVýDQGýUDGLRVï )($785(6 ‡ :LGHýUDQJHýRIýRSHUDWLQJýVXSSO\ýYROWDJHã 9&&ý ýìïå9ýaýä9 ‡ /RZýFURVVRYHUýGLVWRUWLRQ ‡ /RZýTXLHVFHQWýFLUFXLWýFXUUHQW ‡ %ULGJHîVWHUHRýFRQILJXUDWLRQ 25'(5,1*ý,1)250$7,21 'HYLFH 3DFNDJH 2SHUDWLQJý7HPSHUDWXUH .$ëëíä% åð',3ðêíí ðëíqq&ýaýòæíqq& %/2&.ý',$*5$0 1)ì ,1ì ,1ë 1)ë å æ ç è ð ò ò ð %,$6 &,5&8,7 ì ë ê é 287ì 9&& 287ë *1' ý)LJXUHýýìïý ì .$ëëíä% '8$/ý/2:ý92/7$*(ý32:(5ý$03 $%62/87(ý0$;,080ý5$7,1*6ýõ7Dý ýëèqq&ô &KDUDFWHULVWLF 6\PERO 9DOXH 8QLW 6XSSO\ý9ROWDJHý 9&& ìè 9 2XWSXWý3HDNý&XUUHQWý ,3. ì $ 3RZHUý'LVVLSDWLRQý 3' DWý7$0%ý ýèíq&ýýìïí : DWý7&$6(ý ýèíq&ýýìïé 2SHUDWLQJý7HPSHUDWXUHý 7235 ðýëíýaýòýæí q& ý6WRUDJHý7HPSHUDWXUH 767* ýðýéíýaýòìèí q& (/(&75,&$/ý&+$5$&7(5,67,&6 õ7Dý ýëèq&ñý9FFý ýç9ñýIý ýìN+]ñýXQOHVVýRWKHUZLVHýVSHFLILHGô &KDUDFWHULVWLF 6\PERO 7HVWý&RQGLWLRQV 0LQï 7\Sï 0D[ï 8QLW ý2SHUDWLQJý9ROWDJH 9FF ð ìïå ð ä 9 ý4XLHVFHQWý&LUFXLWý&XUUHQW ,&&4 ý9,ý ýí ð ç ð P$ &ORVHGý/RRSý9ROWDJHý *DLQ *YF ý6WHUHR ð éí ð G% ý%ULGJH ð éí ð G% ý&KDQQHOý%DODQFH &% ý6WHUHR ðýì í ì G% 9&&ý ýç9ñý5/ý ýé:ñý7+' ìíø íïé íïçè ð : 9&&ý ýê9ñý5/ý ýé:ñý7+' ìíø ð íïìì ð : 9&&ý ýç9ñý5/ý ýå:ñý7+' ìíø íïä ìïêè ð : 9&&ý ýê9ñý5/ý ýé:ñý7+' ìíø ð íïêè ð : ý6WHUHRñý5/ý ýå:ñý32ý ýíïë: ð íïê ð ø ý%ULGJHñý5/ý ýå:ñý32ý ýíïè: ð íïë ð ø 6WHUHR 2XWSXWý3RZHU 32 %ULGJH ý7RWDOý+DUPRQLFý'LVWRUWLRQ 7+' ý5LSSOHý5HMHFWLRQý5DWLR 55 ý6WHUHRñýIý ìíí+]ñý&êý ýìííX) ëé êí ð G% ý2XWSXWý1RLVHý9ROWDJH 912 ý6WHUHRñý%:ýõðêG%ôý ýëí+]ýaýëíN+] ð íïè ëïí P9 ý&URVVý7DON &7 ý6WHUHRñýIý ýìN+] ð èí ð G% ý,QSXWý5HVLVWDQFH 5, ìíí ð ð N: ë ð '8$/ý/2:ý92/7$*(ý32:(5ý$03 .$ëëíä% 7(67ý&,5&8,7ýì 67(5(2 ,1387ì ,1387ë ìííP) ìíN: å ì 287387ì ò è ð ò ë éæíP) ìííP) ç æ ð 9FF ìíN: ê é éæíP) ìííP) íïìP) íïìP) 287387ë 5/ 5/ éïæN: éïæN: ý)LJXUHýýëïý ê .$ëëíä% '8$/ý/2:ý92/7$*(ý32:(5ý$03 7(67ý&,5&8,7ýë %5,'*( ìíýP) ,1387 ìíNý: íïííìP) å ð ì ç æ ò ò ë 9FF ð ê é ìííýP) íïìP) íïìýP) éïæNý: éïæNý: 5/ ý)LJXUHýýêïý é è