LINEAR INTEGRATED CIRCUIT VOLTAGE AUDIO POWER AMPLIFIER KA86
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KA8602
LINEAR INTEGRATED CIRCUIT
VOLTAGE AUDIO POWER AMPLIFIER
KA8602 audio power amplifier available voltage. KA8602 supplies differential outputs maximizing output swing voltages. 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, RL=32ohm, THD=10% *Load impedance range: 8~100ohm *Mute function (Icc=65µA, typ) *Minimum number external parts required. *Low distortion
DIP-8
BLOCK DIAGRAM
UNISONIC TECHNOLOGIES CO., LTD.
QW-R108-009,A
KA8602
LINEAR INTEGRATED CIRCUIT
SYMBOL
Vi(max)
ABSOLUTE MAXIMUM RATINGS(Ta=25°C
PARAMETER
Supply Voltage Output Current Maximum Input, Ripple Rejection, Mute Voltage Applied Output Voltage( Output When Disabled) Temperature Junction
VALUE
-1~18 +-250 -1~Vcc+1 -1~Vcc+1
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 pin( Vcc=2~16V). Ground pin. Output Amplifier output. This signal equal amplitude, 180° phase with that output level about (Vcc~0.7V)/2. Mute This used power down converse power, muting, both. When logic LOW" (less than 0.8V), enabled normal operation. When logic "HIGH" Vcc), disabled. Mute open, that equivalent logic LOW" Ripple capacitor this increase power supply rejection, affects turn-on time. This Rejection left open capacitor sufficient. NAME Input(+)
RECOMMENDED OPERATION CONDITIONS(Ta=25°C)
PARAMETER
Supply Voltage Load Impedance Peak Load Current Differential Gain(5KHz Bandwidth) Voltage Mute Ambient Temperature
SYMBOL
IL(peak) Vi(mute)
VALUE
2~16 8~100 +-200 0~46 0~Vcc -20~470
UNIT
UNISONIC TECHNOLOGIES CO., LTD.
QW-R108-009,A
KA8602
PARAMETER
PARAMETER Operating Current
LINEAR INTEGRATED CIRCUIT
SYMBOL
ELECTRICAL CHARACTERISTICS(Vcc=6V, Ta=25°C, unless otherwise specified)
TEST CONDITIONS
Vcc=3V, Mute=0.8V Vcc=16V, Mute=0.8V Vcc=3V, Mute=2V RL=16, R1=75K Vcc=3V Vcc=6V Vcc=12V Vcc=6V, Rf=75K,RL=32 2V<Vcc<16V, Iout=-75mA 2V<Vcc<16V, Iout=75mA
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
-0.35
1.15 2.65 5.65 Vcc~1 0.16 -100
-200
Total Harmonic Distortion (f=1KHz)
f=1KHz, RL=32 Vcc=3V, RL=6, THD<10% Vcc=6V, RL=32, THD<10% Vcc=12V, RL=100, THD<10% Vcc=6V, RL=32, Po=125mW Vcc<3V, RL=8, Po=20mW Vcc<12V, RL=32, Po=200mW
0.35
Gain Bandwidth Product Power Supply Rejection (Vcc=6V, Vcc=3V)
PSRR
C1=, C2=0.01µF C1=0.1µF, C2=0, f=1KHz C1=1µF, C2=5µF, f=1KHz Mute=2V, 1KHz<f<20KHz
Muting
Gv(mute)
APPLICATION CIRCUIT
UNISONIC TECHNOLOGIES CO., LTD.
QW-R108-009,A
KA8602
LINEAR INTEGRATED CIRCUIT
UNISONIC TECHNOLOGIES CO., LTD.
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