MAS9090B Micro Analog Systems, MAS9090B Datasheet
MAS9090B
Related parts for MAS9090B
MAS9090B Summary of contents
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The MAS9090 is a high performance low power PCM CODEC and filter device tailored to implement the audio front-end functions required by the low voltage/low power consumption digital terminals. Single 2.7-3.6 V Power supply - temperature ...
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SO28 1 NC VCCA 2 VCCP SP1- SP1+ 6 SP2- 7 SP2+ 8 GNDP CCLK 1,4 1,4,7,9 11,12,13 22,23,27 28,29,32 35,39,40, 43,44 VCCA 2 41 VCCP ...
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MCLK MIC2 MIC2 MIC1 MIC1 GNDA 26 36 MIC3 MIC3 Supply Voltage Voltage at MIC Current at any digital output Voltage at any ...
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Input low voltage Input high voltage Output low voltage Output high voltage Input low current Input high current Output current in high impedance Input leakage Input resistance Load resistance Load capacitance Output resistance Differential offset voltage from SP1+ to SP1- ...
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Frequency of MCLK Period of MCLK high/low f = 512 MCK Period of MCLK high f = 1536, 2048 MCK Period of MCLK low f = 1536, 2048 MCK Rise time of MCLK Fall time of MCLK Hold time, MCLK ...
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HMLF MCLK 1 t SFML FS t DMHT companded mode the timing is applied to 8 bits instead of 16 bits. t HMHF MCLK 1 t SFMH FS t DFT t DMLT TX 1 ...
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Frequency of CCLK Period of CCLK high Period of CCLK low Rise time of CCLK Fall time of CCLK Hold time, CCLK high to CS low Setup time, CS low to CCLK high Setup time, valid CI data to CCLK ...
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Transmit amps connected for 20 dB gain Overload level 0 dBm0 level Transmit amps connected for 42.5 dB gain Overload level 0 dBm0 level Receive gains = dBm0 level Receive gains = -30 dB ...
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Receive gain absolute G accuracy, HPX = 0 HPX = 1 Receive gain absolute G accuracy, HPX = 0 HPX = 1 Receive gain variation with G programmed gain Receive gain variation with G programmed gain Receive gain variation with ...
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TX delay, absolute TX delay, relative RX delay, absolute RX delay, relative TX noise, P weighted RX noise, A weighted differential (SP+ to SP-) single-ended (SP to GNDP) Noise, single frequency PSRR, TX PSRR, RX Spurious out-band signal at the ...
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Signal to total distortion TX ( gain) Typical values measured with 35 dB gain Single frequency distortion transmit Signal to total distortion SP1/SP2 ( attenuation) Single frequency distortion receive SP1/SP2 Signal to distortion of ...
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Frequency Frequency Hz DA9090B.002 March 20, 1998 12 ...
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Frequency Hz 5000 6000 Frequency Hz DA9090B.002 March 20, 1998 13 ...
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Frequency Frequency Hz DA9090B.002 March 20, 1998 ...
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Frequency Frequency Hz 5000 DA9090B.002 March 20, 1998 15 ...
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When power is first applied, power-on reset circuit initializes control and data registers of MAS9090 and puts it into a power-down state. During power- down state, control registers retain their initial state until they are written via the serial interface. ...
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Analog front end provides three identical differential inputs (MIC1, MIC2, MIC3) connection of microphones or auxiliary audio circuits. Desired input signal is selected with bits VS and TE (6 and 7) of register CR4 and forwarded to a low noise ...
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Format MCLK Format MCLK delayed timing non-delayed timing delayed timing ...
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Power CR0 CR1 CR2 ...
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(1) significant in companded mode only * state at power on initialization ...
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Data sent ...
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...
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msb ...
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External MCLK frequency can be 512 kHz, 1.536 MHz, 2.048 MHz or 2.56 MHz. During initialization Bits F1 (7) and F0 (6) must be set to select correct value for internal clock divider. Default value for external MCLK is 512 ...
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Bits VS (7) and TE (6) select active input (MIC1, MIC2 or MIC3). Default is that all inputs are muted. Transmit (TX) gain can be adjusted from 1.5 dB steps with register CR5 bits (7:4). ...
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The frequency of both frequency generators is programmed by CR8 and CR9. When standard frequency range (CR10: DFT=0, HFT=0) the frequency is defined by formulas CR8 / 0.128 Hz and f2 = CR9 / 0.128 Hz, where CR8 ...
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Typical application of MAS9090 for digital cellular systems A/D RF D/A Memory Typical application circuit of MAS9090 DIGITAL BASEBAND Modem Channel Speech Equalizer Codec Codec Control Function Display Keyboard MIC3- MIC2- MIC1- MIC3+ MIC2+ MIC1+ BZ SP1- SP1+ SP2- SP1+ ...
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LEAD TLIN E (300 0.25 0. PCB LAYOUT 0.69 44 LEAD TLIN E PCB LAYOUT 0.55 1.27 0.33 ...
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... Codec MAS9090BS-T Low Voltage 14-bit Linear Codec MAS9090BJ Low Voltage 14-bit Linear Codec MAS9090BJ-T Low Voltage 14-bit Linear Codec Micro Analog Systems Oy Kamreerintie 2, P.O.Box 51 FIN-02771 ESPOO, FINLAND E-mail: info@mas-oy.com Micro Analog Systems Oy reserves the right to make changes to the products contained in this data sheet in order to improve the design or performance and to supply the best possible products ...