파트넘버.co.kr BH3540AFS 데이터시트 PDF


BH3540AFS 반도체 회로 부품 판매점

Headphone amplifier with internal LPF and EVR for CD-ROM



ROHM Semiconductor 로고
ROHM Semiconductor
BH3540AFS 데이터시트, 핀배열, 회로
Optical disc ICs
Headphone amplifier with
internal LPF and EVR for CD-ROM
BH3540AFS
The BH3540AFS is an H / P amplifier with internal secondary LPF and EVR circuits. When multibit output from a
D / A converter is input, the secondary LPF outputs an audio signal. Output level for headphones can be changed with
the EVR circuit. This IC also has independent internal mute circuits for the left and right channels.
FApplications
CD-ROM drives and other products (with line and headphone output pins) that process digital audio signals
FFeatures
1) Internal LPF, line amplifier and EVR.
2) Internal mute function.
3) Internal thermal shutdown circuit.
4) No attached oscillation prevention components are
needed, even at a load of 8.
5) Mute function reduces the popping noises that can
occur when the power is turned on and off.
FBlock diagram
146


BH3540AFS 데이터시트, 핀배열, 회로
Optical disc ICs
FAbsolute maximum ratings (Ta = 25_C)
BH3540AFS
FRecommended operating conditions
FElectrical characteristics (unless otherwise noted, Ta = 25_C, VCC = 5.0V, line RL1 = 50k, H / P RL2 = 32,
VIN = 1.8dBV, f = 1kHz, EVR = Max.)
147




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BH3540AFS amplifier

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BH3540AFS

Headphone amplifier with internal LPF and EVR for CD-ROM - ROHM Semiconductor