Features: Receiving system• Built-in electrical volume Digital control (3 bit / 8 step)• For transmission voice, with side tone route available.• Mute function available. Transmitting system• Built-in operational amplifier for transmission signal level adjustment.• Mu...
MSM7577: Features: Receiving system• Built-in electrical volume Digital control (3 bit / 8 step)• For transmission voice, with side tone route available.• Mute function available. Transmitt...
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Features: •Single power supply: +5 V ±5%•Low power consumption Operating mode: 20 mW ...
Symbol |
Parameter |
Rating |
Unit |
VDD |
Power Supply Voltage |
_0.3 to +7.0 |
V |
VAIN |
Analog Input Voltage |
0.3 to VDD + 0.3 |
V |
VDIN |
Digital Input Voltage |
0.3 to VDD + 0.3 |
V |
TSTG |
Storage Temperature |
55 to +150 |
°C |
The MSM7577 is an LSI for Audio Signal Level adjustment for telephone set, etc.
Conventionally, MSM7577's circuit has been made within individual unit, such as amplifiers, resistors and switches. However, using this LSI allows for simple mounting and economically small space.