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PDF NJM2155 Data sheet ( Hoja de datos )
| Número de pieza | NJM2155 | |
| Descripción | BBE ON/OFF SW | |
| Fabricantes | JRC | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de NJM2155 (archivo pdf) en la parte inferior de esta página. Total 7 Páginas | ||
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NJM2155
BBE Mach3Bass Audio Processor
QGENERAL DESCRIPTION
QPACKAGE 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
QFEATURES
OOperating Voltage
4.7 to 13V
OLow Operating Current 15mA typ.
OInternal Mach3Bass ON/OFF Switch
OInternal High/Low Boost Switch
(Low Band: 2.5 or 5.5dB, High Band: 6.0 or 9.0dB)
O”Mach3Bass” Boot Switch and Center Frequency Control
OBipolar Technology
OPackage Outline
SDIP24, DMP24
QBLOCK 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 / 7 )E
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QAPPLICATION CIRCUIT
NJM2155
C11
4.7µ +
C12
3.3n
24 23 22
C13
33n
21 20
Frequency Control
VR1
Low High
C14 C15 R5
1k
4.7µ + 0.1µ +
5k
Boost
Control
VR2
R6
27k
19 18
Max Min
50k
17 16
C17
0.22µ
C16
0.22µ
R7
56k
15 14
13
NJM2155
1 23
C1 +
4.7µ
C2
3.3n
4 56 7
8 9 10 11 12
C3 C4 + C5 + R1 C6 +R2 C7 +R3 C8 +R4 C9 + C10 +
33n 4.7µ 10µ
10µ 10µ 10µ 10µ
10µ
10k 10k 10k 10k
V+
V+ GND V+ GND V+ GND V+ GND
∗1) C2, C3, C12 and C13 decide the BBE characteristics. Use the specified value.
∗2) C16, C17, R5, R6 and R7 decide the Mach3Bass characteristics. Use the specified value.
∗3) VR1 controls Center Frequency for Mach3Bass.
∗4) VR2 controls Boost Gain for Mach3Bass.
( 5 / 7 )E
5 Page | ||
| Páginas | Total 7 Páginas | |
| PDF Descargar | [ Datasheet NJM2155.PDF ] | |
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