msm7547 Oki Semiconductor, msm7547 Datasheet
msm7547
Related parts for msm7547
msm7547 Summary of contents
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... Voice Signal Level Control LSI GENERAL DESCRIPTION The MSM7547 is an LSI for Audio Signal Level adjustment for telephone set, etc. Conventionally, its 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. ...
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... PIN CONFIGURATION (TOP VIEW) TAUD 1 AN2 2 RCV2 4 RCV1 5 RAUD 7 GND connect pin – 150 AO3 MIC 13 AN3 12 ATTE ATT2 10 ATT1 9 ATT0 16-Pin Plastic SOP MSM7547 RCV1 AN2 – RCV2 + – TAUD + V DD GND 2/7 ...
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... Gain control should be controlled by a resistor between AN3 and AO3. Please refer to follow Fig. 1. Microphone signal input. Gain control and frequency responce control. Gain control should be controlled by a resistor between AN3 and AO3. Power supply (+5 V). MSM7547 Loss level (dB) 0 ±0.3 –2 ±0.3 –4 ±0.3 –7 ±0.3 – ...
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... Analog Output Load R Resistance 2 Symbol Min. V –0 –0.3 IND V –0.3 INA T –55 STG Condition Min. Ta — –20 V +4. TAUD 600 LA1 Except TAUD pin. 5 LA2 MSM7547 Max. Unit + +150 °C Typ. Max. Unit 25 70 °C +5.0 +5.25 V — — W — — kW 4/7 ...
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... ATTE = 0 dB ATTE = LÆH MIC-TAUD MIC = –20 dBV 40 ATTE = LÆH MIC-TAUD AO3 and AN3 are connected. –1.0 600 W load resistance MIC-RCV1 –9.5 AO3 and AN3 are connected. RAUD-RCV1 –0.3 ATT0 to ATT2 MSM7547 = 5 V ± Typ. Max. Unit 3.0 6.0 mA — 1.5 V — — ...
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... NC ATT2 6 RAUD ATT1 7 GND ATT0 AO3 AN3 _ MIC + C6 MIC + _ AN3 C8 AO3 R5 MSM7547 + > > > 1 µ > 0.1 µF R4 > > > 1 µ Gain = R4/R3 R5 > > > 0.1 µF C7 > ...
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... Therefore, before you perform reflow mounting, contact Oki’s responsible sales person for the product name, package name, pin number, package code and desired mounting conditions (reflow method, temperature and times). MSM7547 (Unit : mm) Package material Epoxy resin ...