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PDF KKA7050 Data sheet ( Hoja de datos )

Número de pieza KKA7050
Descripción LOW VOLTAGE MONO/STEREO POWER AMPLIFIER
Fabricantes KODENSHI KOREA 
Logotipo KODENSHI KOREA Logotipo



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TECHNICAL DATA
LOW VOLTAGE MONO/STEREO POWER AMPLIFIER
KKA7050
GENERAL DESCRIPTION
The KKA7050 is a low voltage audio amplifier for small radios with headphones (such as watch, pen and
pocket radios) in mono (bridge-tied load) or stereo applications.
Features
• Limited to battery supply application only (typ. 3 and 4 V)
• Operates with supply voltage down to 1,6 V
• No external components required
• Very low quiescent current
• Fixed integrated gain of 26 dB, floating differential input
• Flexibility in use - mono BTL as well as stereo
• Small dimension of encapsulation (see package design
example)
QUICK REFERENCE DATA
Supply voltage range
Total quiescent current (at Vp = 3 V)
Bridge tied load application (BTL)
Output power at R) = 32 Q
Vp=3V;dtat=10%
D.C. output offset voltage between the outputs
Noise output voltage (r.m.s. value)
at f = 1 kHz; Rg = 5 kfit
Stereo application
Output power at R( = 32
dtot = 10%; Vp = 3V
dtot = 10%; Vp= 4,5V
Channel separation at Rs = 0 ; f = 1 kHz
Noise output voltage (r.m.s. value)
at f = 1 kHz; Rs = 5 k
PACKAGE OUTLINE 8-lead DIL; plastic (SOT97); SOT97-1;
Vp
ltot
PO
lAVI
Vno(rms)
PO
PO
K
Vno(rms)
1,6 to 6,0 V
typ. 3,2 mA
typ.
max.
140 mW
70 mV
typ. 140 mV
typ. 35 mW
typ. 75 mW
typ. 40 dB
typ. 100 mV
1

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