386 audio ics 9v / 2.3w single-channel power amplifier BA534 the BA534 is a monolithic power amplifier designed for portable cassette players and radios. with a 9v power supply, it has a rated output of 2.3w into a 4 w load (thd = 10%). it has high ripple rejection ratio, and the apopo noise when power is applied has been suppressed to an absolute minimum. applications portable cassette recorders and radios. features 1) high power output. when v cc = 9v, r l = 4 w and thd = 10%: p out = 2.3w when v cc = 9v, r l = 3 w and thd = 10%: p out = 2.8w 2) the apopo noise that occurs when the power is ap- plied is extremely low. 3) excellent ripple rejection ratio. block diagram absolute maximum ratings (ta = 25 c)
387 audio ics BA534 internal circuit configuration electrical characteristics (unless otherwise noted, ta = 25 c, v cc = 9v, r l = 4 w and r nf = 100 w ) measurement circuit
388 audio ics BA534 application example
external dimensions (units: mm) 389 audio ics BA534
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