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CDB43L21 Folha de dados(PDF) 7 Page - Cirrus Logic |
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CDB43L21 Folha de dados(HTML) 7 Page - Cirrus Logic |
7 / 63 page DS723A1 7 CS43L21 AOUTB AOUTA 10 11 Analog Audio Output (Output) - The full-scale output level is specified in the DAC Analog Characteris- tics specification table VA 12 Analog Power (Input) - Positive power for the internal analog section. AGND 13 Analog Ground (Input) - Ground reference for the internal analog section. FILT+ 14 Positive Voltage Reference (Output) - Positive reference voltage for the internal sampling circuits. VQ 15 Quiescent Voltage (Output) - Filter connection for internal quiescent voltage. NIC 16 Not Internally Connected - This pin is not connected internal to the device and may be connected to ground or left “floating”. No other external connection should be made to this pin. TSTO 17 Test Out (Output) - This pin is an output used for test purposes only and must be left “floating” (no con- nection external to the pin). TSTO 18 Test Out (Output) - This pin is an output used for test purposes only and must be left “floating” (no con- nection external to the pin). TSTO 19 Test Out (Output) - This pin is an output used for test purposes only and must be left “floating” (no con- nection external to the pin). TSTO 20 Test Out (Output) - This pin is an output used for test purposes only and must be left “floating” (no con- nection external to the pin). TSTO 21 22 Test Out (Output) - This pin is an output used for test purposes only and must be left “floating” (no con- nection external to the pin). TSTO 23 24 Test Out (Output) - This pin is an output used for test purposes only and must be left “floating” (no con- nection external to the pin). RESET 25 Reset (Input) - The device enters a low power mode when this pin is driven low. VL 26 Digital Interface Power (Input) - Determines the required signal level for the serial audio interface and host control port. Refer to the Recommended Operating Conditions for appropriate voltages. VD 27 Digital Power (Input) - Positive power for the internal digital section. DGND 28 Digital Ground (Input) - Ground reference for the internal digital section. TSTO (M/S) 29 Test Out (Output) - This pin is an output used for test purposes only and must be left “floating” (no con- nection external to the pin). Serial Port Master/Slave (Input/Output) - Hardware Mode Startup Option: Selects between Master and Slave Mode for the serial port. MCLK 30 Master Clock (Input) - Clock source for the delta-sigma modulators. SCLK 31 Serial Clock (Input/Output) - Serial clock for the serial audio interface. SDIN 32 Serial Audio Data Input (Input) - Input for two’s complement serial audio data. Thermal Pad - Thermal relief pad for optimized heat dissipation. See “QFN Thermal Pad” on page 59. |
Nº de peça semelhante - CDB43L21 |
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Descrição semelhante - CDB43L21 |
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