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CS5345 数据表(PDF) 4 Page - Cirrus Logic |
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CS5345 数据表(HTML) 4 Page - Cirrus Logic |
4 / 39 page CS5345 4 AIN1A AIN1B 11, 12 Stereo Analog Input 1 (Input) - The full scale level is specified in the ADC Analog Characteristics specification table. AGND 13 Analog Ground (Input) - Ground reference for the internal analog section. VA 14 Analog Power (Input) - Positive power for the internal analog section. AFILTA 15 Antialias Filter Connection (Output) - Antialias filter connection for the channel A ADC input. AFILTB 16 Antialias Filter Connection (Output) - Antialias filter connection for the channel B ADC input. VQ 17 Quiescent Voltage (Output) - Filter connection for the internal quiescent reference voltage. TSTO 18 Test Pin (Output) - This pin must be left unconnected. FILT+ 19 Positive Voltage Reference (Output) - Positive reference voltage for the internal sampling circuits. TSTO 20 Test Pin - This pin must be left unconnected. AIN4A/MICIN1 AIN4B/MICIN2 21, 22 Stereo Analog Input 4 / Microphone Input 1 & 2 (Input) - The full scale level is specified in the ADC Analog Characteristics specification table. AIN5A AIN5B 23, 24 Stereo Analog Input 5 (Input) - The full scale level is specified in the ADC Analog Characteristics specification table. MICBIAS 25 Microphone Bias Supply (Output) - Low noise bias supply for external microphone. Electrical charac- teristics are specified in the DC Electrical Characteristics specification table. AIN6A AIN6B 26, 27 Stereo Analog Input 6 (Input) - The full scale level is specified in the ADC Analog Characteristics specification table. PGAOUTA PGAOUTB 28, 29 PGA Analog Audio Output (Output) - Either an analog output from the PGA block or high impedance. See “PGAOut Source Select (Bit 6)” on page 31. VA 30 Analog Power (Input) - Positive power for the internal analog section. AGND 31, 32 Analog Ground (Input) - Ground reference for the internal analog section. NC 33, 34 No Connect - These pins are not connected internally and should be tied to ground to minimize any potential coupling effects. TSTO 35 Test Pin (Output) - This pin must be left unconnected. VLS 36 Serial Audio Interface Power (Input) - Determines the required signal level for the serial audio inter- face. Refer to the Recommended Operating Conditions for appropriate voltages. TSTI 37 Test Pin (Input) - This pin must be connected to ground. NC 38, 39, 40 No Connect - These pins are not connected internally and should be tied to ground to minimize any potential coupling effects. SDOUT 41 Serial Audio Data Output (Output) - Output for two’s complement serial audio data. SCLK 42 Serial Clock (Input/Output) - Serial clock for the serial audio interface. LRCK 43 Left Right Clock (Input/Output) - Determines which channel, Left or Right, is currently active on the serial audio data line. MCLK 44 Master Clock (Input/Output) -Clock source for the ADC’s delta-sigma modulators. DGND 45 Digital Ground (Input) - Ground reference for the internal digital section. VD 46 Digital Power (Input) - Positive power for the internal digital section. INT 47 Interrupt (Output) - Indicates an interrupt condition has occurred. OVFL 48 Overflow (Output) - Indicates an ADC overflow condition is present. |
类似零件编号 - CS5345 |
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类似说明 - CS5345 |
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