Cirrus Logic CS4265 - Manual (Page 8)

8 DS657F3
CS4265
VA 17 Analog Power (Input) - Positive power for the internal analog section.
AGND 18 Analog Ground (Input) - Ground reference for the internal analog section.
AOUTA
AOUTB
19, 20 Analog Audio Output (Output) - The full scale output level is specified in the DAC Analog Characteris-
tics specification table.
MUTEC
21 Mute Control (Output) - This pin is active during power-up initialization, reset, muting, when master
clock left/right clock frequency ratio is incorrect, or power-down.
VLS
22 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.
TXSDIN 23 Transmitter Serial Audio Data Input (Input) - Input for two’s complement serial audio data.
SDIN2 24 Serial Audio Data Input 2 (Input) - Input for two’s complement serial audio data.
SDIN1 25 Serial Audio Data Input 1 (Input) - Input for two’s complement serial audio data.
SDOUT 26 Serial Audio Data Output (Output) - Output for two’s complement serial audio data.
SCLK 27 Serial Clock (Input/Output) - Serial clock for the serial audio interface.
LRCK
28 Left Right Clock (Input/Output) - Determines which channel, Left or Right, is currently active on the
serial audio data line.
MCLK 29 Master Clock (Input) - Clock source for the delta-sigma modulators.
DGND 30 Digital Ground (Input) - Ground reference for the internal digital section.
VD 31 Digital Power (Input) - Positive power for the internal digital section.
TXOUT 32 Transmitter Line Driver Output (Output) - IEC60958-3 driver output.
Thermal Pad -
Thermal Pad
- Thermal relief pad for optimized heat dissipation.