NJU7087
NJU7087 is Sound Enhancement Processor For Telephone manufactured by New Japan Radio.
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
NJU7087 (VDD=2.4 to 5.5V) (2mA typ.at VDD=3V) (31.6µVrms typ. at BBE ON) (0dB typ.) (SSOP16)
VDD INPUT (NC) HPF CR1 BPF CR2 LPF
GND VREF BBE OUTPUT CR5 CR4...
