NJM2155
PRELIMINARY
BBE Mach3Bass Audio Processor
s
PACKAGE OUTLINE
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GENERAL DESCRIPTION
NJM2155
is a BBE Mach3Bass processor, which includes
BBE sound enhancement and Mach3Bass system.
The BBE reproduces high definitive and Mach3BASS
provides rich and loss less bass sound.
The
NJM2155
is suitable for audio items such as TV, AV
receiver, CD radio-cassette, speaker system, and others.
NJM2155L
NJM2155M
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FEATURES
qOperating
Voltage
4.7 to 13V
qLow
Operating Current
15mA typ.
qInternal
Mach3Bass ON/OFF Switch
qInternal
High/Low Boost Switch
(Low Band: 2.5 or 5.5dB, High Band: 6.0 or 9.0dB)
q鈥滿ach3Bass鈥?/div>
Boot Switch and Center Frequency Control
qBipolar
Technology
qPackage
Outline
SDIP24, DMP24
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BLOCK DIAGRAM & PIN CONFIGRATION
1. InA
2. HInA
3. HOutA
4. LInA
5. LOutA
6. OutA
7. Filter
8. BBE
9. PROCESS
10. LO CONTOUR
11. Mach3Bass
12. V+
13. GND
14. LPOut
15. LPIn
16. GOut
17. GIn
18. Vref
19. OutB
20. LOutB
21. LInB
22. HOutB
23. HInB
24. InB
24
23
22
21
20
19
18
17
16
15
14
13
BBE
Mach3
Bias
BBE
Control
1
2
3
4
5
6
7
8
9
10
11
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