NJM2155 Datasheet, PDF (1/7 Pages) New Japan Radio – BBE Mach3Bass Audio Processor

NJM2155
PRELIMINARY
BBE Mach3Bass Audio Processor
sGENERAL DESCRIPTION
sPACKAGE OUTLINE
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
sFEATURES
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”Mach3Bass” Boot Switch and Center Frequency Control
qBipolar Technology
qPackage Outline
SDIP24, DMP24
sBLOCK DIAGRAM & PIN CONFIGRATION
24 23 22 21 20 19 18 17 16 15 14 13
BBE
BBE
Mach3
Bias
Control
1 2 3 4 5 6 7 8 9 10 11 12
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
-1-