CS5346
AIN1A
AIN1B
11 Stereo Analog Input 1 (Input) - The full-scale level is specified in the Analog Characteristics specifica-
12 tion table.
AGND
VA
13 Analog Ground (Input) - Ground reference for the internal analog section.
14 Analog Power (Input) - Positive power for the internal analog section.
AFILTA
AFILTB
15 Anti-alias Filter Connection (Output) - Antialias filter connection for the channel A ADC input.
16 Anti-alias Filter Connection (Output) - Antialias filter connection for the channel B ADC input.
17
18
VQ
Quiescent Voltage (Output) - Filter connection for the internal quiescent reference voltage.
FILT+
NC
19 Positive Voltage Reference (Output) - Positive reference voltage for the internal sampling circuits.
No Connect - This pin is not connected internally and should be tied to ground to minimize any poten-
20
tial coupling effects.
AIN4A/MICIN1
AIN4B/MICIN2
21 Stereo Analog Input 4 / Microphone Input 1 & 2 (Input) - The full-scale level is specified in the Ana-
22 log Characteristics specification table.
AIN5A
AIN5B
23 Stereo Analog Input 5 (Input) - The full-scale level is specified in the Analog Characteristics specifica-
24 tion table.
Microphone Bias Supply (Output) - Low-noise bias supply for external microphone. Electrical charac-
teristics are specified in the DC Electrical Characteristics specification table.
MICBIAS
25
AIN6A
AIN6B
26 Stereo Analog Input 6 (Input) - The full-scale level is specified in the Analog Characteristics specifica-
27 tion table.
PGAOUTA
PGAOUTB
28 PGA Analog Audio Output (Output) - Either an analog output from the PGA block or high impedance.
29 See “PGAOut Source Select (Bit 6)” on page 32.
30 No Connect - These pins are not connected internally and should be tied to ground to minimize any
31 potential coupling effects.
NC
AGND
32 Analog Ground (Input) - Ground reference for the internal analog section.
33
34
No Connect - These pins are not connected internally and should be tied to ground to minimize any
NC
potential coupling effects.
35
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.
VLS
36
37
38 No Connect - These pins are not connected internally and should be tied to ground to minimize any
39 potential coupling effects.
40
NC
SDOUT
SCLK
41 Serial Audio Data Output (Output) - Output for two’s complement serial audio data.
42 Serial Clock (Input/Output) - Serial clock for the serial audio interface.
Left Right Clock (Input/Output) - Determines which channel, Left or Right, is currently active on the
serial audio data line.
LRCK
43
MCLK
DGND
VD
44 Master Clock (Input) - Clock source for the ADC’s delta-sigma modulators.
45 Digital Ground (Input) - Ground reference for the internal digital section.
46 Digital Power (Input) - Positive power for the internal digital section.
47 Interrupt (Output) - Indicates an interrupt condition has occurred.
48 Overflow (Output) - Indicates an ADC overflow condition is present.
INT
OVFL
6
DS861PP1
CIRRUS [ CIRRUS LOGIC ]
