What is MM1077?

This is Compander IC.

[PDF] Complete Technical Details can be found in the MM1077 datasheet provided at this page.

Datasheet Summary in PDF File

www datasheetgo.com MITSUMI Compander IC MM1077 Compander IC Monolithic IC MM1077 Outline This IC was developed for use in cordless telephone equipment It is a compander IC incorporating compressor expander circuits for a significant noise reduction effect without complicated external circuitry On the transmission side the dynamic range of audio signals is compressed by the compressor circuit on the receiving side the expander expands the signals As a result the dynamic range over the transmission channel is reduced logarithmically by one half Features 1 Can be driven at low voltages down to 2 0V 2 Internal mute function 3 Internal limiter IDC function 4 Compressor input can be switched between MIC and LINE 5 Internal standby function 6 Data input output pins 7 Independent mute circuit Package SSOP 24A MM1077XF Applications 1 Cordless telephones 2 Various mobile communication devices Pin Assignment 24 23 22 21 20 19 18 17 16 15 14 13 1 2 3 4 5 6 7 8 9 10 11 12 SSOP 24A 1 2 3 4 5 6 7 8 C Vref C IN1 C IN2 C INC RECT C RIN C FB C NF 9 10 11 12 13 14 15 16 DATA IN C CONT N C GND STANDBY SW C IN SW C MUTE SW E MUTE SW 17 18 19 20 21 22 23 24 E RECT E OUT E RIN A OUT A INA IN E Vref Vcc MITSUMI Compander IC MM1077 Block Diagram

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Manufacturers : Mitsumi Electronics

MITSUMI MM1077 DATA

Compander IC

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Datasheet MM1077.PDF DownLoad ( MITSUMI )

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