CS4265-CNZ Просмотр технического описания (PDF) - Cirrus Logic

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CS4265-CNZ

104 dB, 24-Bit, 192 kHz Stereo Audio CODEC

Cirrus Logic 

1. PIN DESCRIPTIONS

CS4265

SDA 1

SCL 2

VLC 3

RESET 4

VA 5

AGND 6

AINA 7

AINB 8

32 31 30 29 28 27 26 25

Thermal Pad

Top-Down (Through Package) View

32-Pin QFN Package

24 SDIN2

23 TXSDIN

22 VLS

21 MUTEC

20 AOUTB

19 AOUTA

18 AGND

17 VA

9 10 11 12 13 14 15 16

Pin Name

SDA

SCL

VLC

RESET

VA

AGND

AINA

AINB

SGND

AFILTA

AFILTB

VQ

FILT+

MICIN1

MICIN2

MICBIAS

# Pin Description

1 Serial Control Data (Input/Output) - Bidirectional data line for the I²C control port.

2 Serial Control Port Clock (Input) - Serial clock for the I²C control port.

3 Control Port Power (Input) - Determines the required signal level for the control port interface. Refer to

the Recommended Operating Conditions for appropriate voltages.

4 Reset (Input) - The device enters a low-power mode when this pin is driven low.

5 Analog Power (Input) - Positive power for the internal analog section.

6 Analog Ground (Input) - Ground reference for the internal analog section.

7, Analog Input (Input) - The full-scale level is specified in the ADC Analog Characteristics specification

8 table.

9 Signal Ground (Input) - Ground reference for the analog line inputs.

10,

11

Antialias Filter Connection (Output) - Antialias filter connection for the ADC inputs.

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

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

14, Microphone Input (Input) - The full-scale level is specified in the ADC Analog Characteristics specifica-

15 tion table.

16 Microphone Bias (Output) - Low noise bias supply for external microphone. Electrical characteristics

are specified in the DC Electrical Characteristics table.

DS657F2

7

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