Fujitsu MB86437
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.| Part No. | MB86437 |
|---|---|
| Datasheet | MB86437 Download |
| Manufacturer |  Fujitsu |
| Description | 3V Single Power Supply Audio Interface Unit |
| Buy | Stock & Price |
DESCRIPTION
The FUJITSU sFEATURES
● +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) MB86437 (Continued)
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● On-chip electronic volume gain adjustments (sending, receiving, tone) On-chip accessory input/output circuits DTMF generator function Service tone generation CMOS compatible input/output s PIN ASSIGNMENT 48 1 Index (TOP VIEW) 37 36 12 13 (FPT-48P-M05) 24 25 2 MB86437 s PIN
DESCRIPTION
Pin No. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 Symbol SWI SWO RAUD VD1 JEAR EAR XEAR VS1 TONE TBO TBI PTBO MD...
