CS5345-DQZR Cirrus Logic Inc, CS5345-DQZR Datasheet - Page 6

• Manufacturer Part Number: CS5345-DQZR
• Description: IC,Data Acquisition Signal Conditioner,6-CHANNEL,24-BIT,CMOS,QFP,48PIN,PLASTIC
• Manufacturer: Cirrus Logic Inc

6
AIN1A
AIN1B
AGND
VA
AFILTA
AFILTB
VQ
TSTO
FILT+
TSTO
AIN4A/MICIN1
AIN4B/MICIN2
AIN5A
AIN5B
MICBIAS
AIN6A
AIN6B
PGAOUTA
PGAOUTB
VA
AGND
NC
TSTO
VLS
TSTI
NC
SDOUT
SCLK
LRCK
MCLK
DGND
VD
INT
OVFL
38,
39,
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
40
41
42
43
44
45
46
47
48
Stereo Analog Input 1 (Input) - The full-scale level is specified in the ADC Analog Characteristics
specification table.
Analog Ground (Input) - Ground reference for the internal analog section.
Analog Power (Input) - Positive power for the internal analog section.
Antialias Filter Connection (Output) - Antialias filter connection for the channel A ADC input.
Antialias Filter Connection (Output) - Antialias filter connection for the channel B ADC input.
Quiescent Voltage (Output) - Filter connection for the internal quiescent reference voltage.
Test Pin (Output) - This pin must be left unconnected.
Positive Voltage Reference (Output) - Positive reference voltage for the internal sampling circuits.
Test Pin - This pin must be left unconnected.
Stereo Analog Input 4 / Microphone Input 1 & 2 (Input) - The full-scale level is specified in the ADC
Analog Characteristics specification table.
Stereo Analog Input 5 (Input) - The full-scale level is specified in the ADC Analog Characteristics
specification table.
Microphone Bias Supply (Output) - Low-noise bias supply for external microphone. Electrical charac-
teristics are specified in the DC Electrical Characteristics specification table.
Stereo Analog Input 6 (Input) - The full-scale level is specified in the ADC Analog Characteristics
specification table.
PGA Analog Audio Output (Output) - Either an analog output from the PGA block or high impedance.
See
Analog Power (Input) - Positive power for the internal analog section.
Analog Ground (Input) - Ground reference for the internal analog section.
No Connect - These pins are not connected internally and should be tied to ground to minimize any
potential coupling effects.
Test Pin (Output) - This pin must be left unconnected.
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.
Test Pin (Input) - This pin must be connected to ground.
No Connect - These pins are not connected internally and should be tied to ground to minimize any
potential coupling effects.
Serial Audio Data Output (Output) - Output for two’s complement serial audio data.
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.
Master Clock (Input) - Clock source for the ADC’s delta-sigma modulators.
Digital Ground (Input) - Ground reference for the internal digital section.
Digital Power (Input) - Positive power for the internal digital section.
Interrupt (Output) - Indicates an interrupt condition has occurred.
Overflow (Output) - Indicates an ADC overflow condition is present.
“PGAOut Source Select (Bit 6)” on page
33.
CS5345
DS658F2