LINEAR INTEGRATED CIRCUIT VOLTAGE AUDIO POWER AMPLIFIER Cont

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LINEAR INTEGRATED CIRCUIT VOLTAGE AUDIO POWER AMPLIFIER Cont

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KA8602
LINEAR INTEGRATED CIRCUIT
VOLTAGE AUDIO POWER AMPLIFIER
Contek KA8602 audio power amplifier available voltage. Contek KA8602 supplies differential outputs maximizing output swing voltages. Contek KA8602 does need coupling capacitors speaker. gain this amplifier controlled easily external resistors.
SOP-8
FEATURES
*Wide operating supply voltage: Vcc=2V~16V *Low quiescent supply current( Icc=2.7mA, typ) *Medium output power( Po=250mW Vcc=6V, L=32ohm, THD=10% *Load impedance range: 8~100ohm *Mute function (Icc=65mA, typ) *Minimum number external parts required. *Low distortion
DIP-8
BLOCK DIAGRAM
Contek
Contek Microelectronics Co.,Ltd.
CONTEK
http://www.contek-ic.com E-mail:sales@contek-ic.com
KA8602
LINEAR INTEGRATED CIRCUIT
Vi(max)
ABSOLUTE MAXIMUM RATINGS (Ta=25
Supply Voltage Output Current Maximum Input, Ripple Rejection, Mute Voltage Applied Output Voltage( Output When Disabled) Temperature Junction
PARAMETER
SYMBOL
-1~18 +-250 -1~Vcc+1 -1~Vcc+1
VALUE
UNIT
CONFIGURATIONS
DESCRIPTION Analog Ground amplifiers. capacitor this with capacitor provides 52dB( typ) power supply rejection. Turn-on time circuit affected capacitor this pin. This used alternative input. Input(-) Amplifier input. input capacitor resistor frequency roll-off input impedance. feedback resistor connected between this output Output Amplifier output. level about (Vcc~0.7V)/2. supply voltage applied this Vcc=2~16V). Ground pin. Output Amplifier output. This signal equal amplitude, phase with that output level about (Vcc~0.7V)/2. Mute This used power down converse power, muting, both. When logic (less than 0.8V), enabled normal operation. When logic HIGH Vcc), disabled. Mute open, that equivalent logic Ripple capacitor this increase power supply rejection, affects turn-on time. This Rejection left open capacitor sufficient. NAME Input(+)
RECOMMENDED OPERATION CONDITIONS(Ta=25
PARAMETER SYMBOL
IL(peak) Vi(mute) Supply Voltage Load Impedance Peak Load Current Differential Gain(5KHz Bandwidth) Voltage Mute Ambient Temperature
VALUE
2~16 8~100 +-200 0~46 0~Vcc -20~470
UNIT
Contek Microelectronics Co.,Ltd.
CONTEK
http://www.contek-ic.com E-mail:sales@contek-ic.com
KA8602
PARAMETER Operating Current
LINEAR INTEGRATED CIRCUIT
unless otherwise specified)
ELECTRICAL CHARACTERISTICS(Vcc=6V, Ta=25
PARAMETER SYMBOL
TEST CONDITIONS
1.25
UNIT
Output Voltage
Output Offset Voltage Output High Level Output Level Input Bias Current Equivalent Resistance PARAMETER Open Loop Gain Amp. Open Loop Gain Amp. Output Power
Ibias
Vcc=3V, Mute=0.8V Vcc=16V, Mute=0.8V Vcc=3V, Mute=2V RL=16W, R1=75KW Vcc=3V Vcc=6V Vcc=12V Vcc=6V, Rf=75KW,RL=32W 2V<Vcc<16V, Iout=-75mA 2V<Vcc<16V, Iout=75mA
-0.35
1.15 2.65 5.65 Vcc~1 0.16 -100
-200
Total Harmonic Distortion (f=1KHz)
f=1KHz, RL=32W Vcc=3V, RL=6W, THD<10% Vcc=6V, RL=32W, THD<10% Vcc=12V, RL=100W, THD<10% Vcc=6V, RL=32W, Po=125mW Vcc<3V, RL=8W, Po=20mW Vcc<12V, RL=32W, Po=200mW C2=0.01mF C1=0.1mF, C2=0, f=1KHz C1=1mF, C2=5mF, f=1KHz Mute=2V, 1KHz<f<20KHz
0.35
Gain Bandwidth Product Power Supply Rejection (Vcc=6V, DVcc=3V)
PSRR
Muting
Gv(mute)
Contek Microelectronics Co.,Ltd.
CONTEK
http://www.contek-ic.com E-mail:sales@contek-ic.com
KA8602
APPLICATION CIRCUIT
LINEAR INTEGRATED CIRCUIT
Contek Microelectronics Co.,Ltd.
CONTEK
http://www.contek-ic.com E-mail:sales@contek-ic.com

LINEAR INTEGRATED CIRCUIT VOLTAGE AUDIO POWER AMPLIFIER Cont

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