MB86437 Datasheet, PDF (1/35 Pages) Fujitsu Component Limited. – 3 V Single Power Supply Audio Interface Unit (AIU)

FUJITSU SEMICONDUCTOR
DATA SHEET
DS04-23005-3E
ASSP
CMOS
3 V Single Power Supply Audio
Interface Unit (AIU)
MB86437
s DESCRIPTION
The FUJITSU MB86437 is an AIU (audio interface unit) LSI for +3 V single-power source digital telephone devices,
manufactured using CMOS process technology. The codec transmission filter characteristics meet G.712 standards,
and can handle input and output in A-Law, µ-Law and linear conversion modes. The MB86437 also contains the
necessary DTMF, microphone and receiver amps for telephone devices.
s FEATURES
• +3 V single power supply
• Low power consumption: muting settings for each operating mode
Normal operation : 5.0 mA TYP
Standby mode : 0.5 µA TYP
• On-chip codec filter meets G.712 standards
• Selection of codec companding law (A-law, µ-law, 14 bit linear)
• On-chip low-noise microphone amp (2-channel) (0 to 35 dB amplification)
• On-chip receiver speaker amps (32 Ω BTL type: 10 mW MIN)
• On-chip earphone speaker amps (32 Ω single type: 5 mW MIN)
(Continued)
s PACKAGE
48 pin, Plastic LQFP
(FPT-48P-M05)