CS5366-DQZR【PDF 16/18 页】IC ADC 6CH 114DB 216KHZ 48-LQFP

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Sheet目录1991

12页 13页 14页 15页 [16页]17页 18页

DS626F4

CS5366

Pin Name

Pin #

Pin Description

AIN2+, AIN2-

AIN4+, AIN4-

AIN3+, AIN3-

AIN6+, AIN6-

AIN5+, AIN5-

AIN1+, AIN1-

1,2

11,12

13,14

43,44

45,46

47,48

Differential Analog (Inputs) - Audio signals are presented differently to the delta sigma modula-

tors via the AIN+/- pins.

GND

3,8

10,15

16,17

18,19

29,32

Ground (Input) - Ground reference. Must be connected to analog ground.

4,9

Analog Power (Input) - Positive power supply for the analog section

REF_GND

Reference Ground (Input) - For the internal sampling circuits. Must be connected to analog

ground.

FILT+

Positive Voltage Reference (Output) - Reference voltage for internal sampling circuits.

Quiescent Voltage (Output) - Filter connection for the internal quiescent reference voltage.

Crystal Oscillator Power (Input) - Also powers control logic to enable or disable oscillator cir-

cuits.

XTI

XTO

Crystal Oscillator Connections (Input/Output) - I/O pins for an external crystal which may be

used to generate MCLK.

MCLK

System Master Clock (Input/Output) - When a crystal is used, this pin acts as a buffered MCLK

Source (Output). When the oscillator function is not used, this pin acts as an input for the system

master clock. In this case, the XTI and XTO pins must be tied low.

LRCK/FS

Serial Audio Channel Clock (Input/Output)

In IS mode Serial Audio Channel Select. When low, the odd channels are selected.

In LJ mode Serial Audio Channel Select. When high, the odd channels are selected.

In TDM Mode a frame sync signal. When high, it marks the beginning of a new frame of serial

audio samples. In Slave Mode, this pin acts as an input pin.

SCLK

Main timing clock for the Serial Audio Interface (Input/Output) - During Master Mode, this pin

acts as an output, and during Slave Mode it acts as an input pin.

TSTO

Test Out (Output) - Must be left unconnected.

SDOUT2

Serial Audio Data (Output) - Channels 3,4

VLS

Serial Audio Interface Power - Positive power for the serial audio interface.

SDOUT1/TDM

Serial Audio Data (Output) - Channels 1,2, TDM.

SDOUT3/TDM

Serial Audio Data (Output) - Channels 5,6, TDM is complementary TDM data.

Digital Power (Input) - Positive power supply for the digital section.

VLC

Control Port Interface Power - Positive power for the control port interface.

OVFL

Overflow (Output, open drain) - Detects an overflow condition on both left and right channels.

RST

Reset (Input) - The device enters a low power mode when low.

Stand-Alone Mode

CLKMODE

CLKMODE (Input) - Setting this pin HIGH places a divide-by-1.5 circuit in the MCLK path to the

core device circuitry.

DIF1

DIF0

DIF1, DIF0 (Input) - Sets the serial audio interface format.

Mode Selection (Input) - Determines the operational mode of the device.

MDIV

MCLK Divider (Input) - Setting this pin HIGH places a divide-by-2 circuit in the MCLK path to the

core device circuitry.

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