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PDF NJU7087 Data sheet ( Hoja de datos )
| Número de pieza | NJU7087 | |
| Descripción | Sound Enhancement Processor For Telephone | |
| Fabricantes | New Japan Radio | |
| Logotipo |  |
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NJU7087
PRELIMINARY
Sound Enhancement Processor For Telephone
sGENERAL DESCRIPTION
The NJU7087 is a Sound Enhancement Processor for
telephone, using a low power C-MOS technology. Sound
enhancement and LPF circuit improve quality of conversation
without increasing noise.
The NJU7087 is suitable for limited band-width application,
such as telephone, and answer phone.
sPACKAGE OUTLINE
sFEATURES
qOperating Voltage
qLow Operating Current
qLow Output Noise
qBypass Gain
qAdjustable Boost Level(High)
qPackage Outline
sPIN CONFIGURATION
(VDD=2.4 to 5.5V)
(2mA typ.at VDD=3V)
(31.6µVrms typ. at BBE ON)
(0dB typ.)
(SSOP16)
NJU7087
VDD
INPUT
(NC)
HPF
CR1
BPF
CR2
LPF
GND
VREF
BBE
OUTPUT
CR5
CR4
BBEOUT
CR3
No. SYMBOL FUNCTION
1 VDD
Power Supply
2 INPUT Signal Input
3 (NC)
(No Connected)
4 HPF
HPF Output
5 CR1
Filter
6 BPF
BPF Output
7 CR2
Filter
8 LPF
LPF Output
No. SYMBOL FUNCTION
9 CR3
Filter
10 BBEOUT BBE Output
11 CR4
Filter
12 CR5
Filter
13 OUTPUT Signal Output
14 BBE
BBE ON/OFF
15 VREF
Reference Voltage
16 GND
GND
sBLOCK DIAGRAM
VDD
HPF CR1 BPF CR2 LPF CR3 BBEOUT CR4 CR5
INPUT
OUTPUT
GND BBE
VREF
-1-
1 page | ||
| Páginas | Total 4 Páginas | |
| PDF Descargar | [ Datasheet NJU7087.PDF ] | |
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