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BA7726AS 반도체 회로 부품 판매점

Analog compander with vocal fader for KARAOKE



ROHM Semiconductor 로고
ROHM Semiconductor
BA7726AS 데이터시트, 핀배열, 회로
Multimedia ICs
Analog compander with vocal fader
for KARAOKE
BA7726AS / BA7726AFS
The BA7726AS and BA7726AFS are analog companders for karaoke echo systems and have internal logarithmic
compression and expansion circuits, a stereo line mixer amplifier, vocal fader function, vocal detection function,
microphone ALC, microphone ON / OFF switch, and output switch. When used together with the BU9252 8-bit digital
delay, these ICs form a high-grade karaoke echo system with minimum components.
Applications
Portable CD stereos with karaoke functions, VCRs, mini component stereo systems, LD players
Features
1) Internal stereo line mixer amplifier, allowing selec-
tion of through output, left output, or right output.
2) Internal vocal elimination function, suitable for vocal
faders and left and right output.
3) Echo level and loop ratio are DC-adjustable with the
internal electronic volume control (EVR).
4) Internal microphone ON / OFF switch.
5) Vocal detection.
6) Internal microphone ALC function.
7) Internal anti-popping circuit.
Absolute maximum ratings (Ta = 25°C)
Parameter
Symbol
Limits
Power supply voltage
Power dissipation
VCC 14
BA7726AS 12501
Pd
BA7726AFS 8502
Operating temperature
Topr
– 10 ~ + 70
Storage temperature
Tstg – 55 ~ + 125
1 Reduced by 12.5mW for each increase in Ta of 1°C over 25°C.
2 Reduced by 8.5mW for each increase in Ta of 1°C over 25°C.
Unit
V
mW
°C
°C
Recommended operating conditions (Ta = 25°C)
Parameter
Symbol Min. Typ.
Power supply voltage
VCC 4.5 9.0
Max.
12.0
Unit
V
1


BA7726AS 데이터시트, 핀배열, 회로
Multimedia ICs
Block diagram
BA7726AS / BA7726AFS
32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17
OUTSW
VOCAL
DET
ALC
VR
VOCAL
FADER
COMPRESS
VR
+–
SW VR EXPAND
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
2




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제조업체: ROHM Semiconductor

( rohm )

BA7726AS data

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관련 데이터시트


BA7726AFS

Analog compander with vocal fader for KARAOKE - ROHM Semiconductor



BA7726AS

Analog compander with vocal fader for KARAOKE - ROHM Semiconductor