AD1986A データシートの表示（PDF） - Analog Devices

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AD1986A

AC ’97 and HD Audio SoundMAX Codec

Analog Devices 

AD1986A

FUNCTIONAL BLOCK DIAGRAM

MIC_1

MIC_2

PHONE_IN

CD_L

CD_GND

CD_R

AUX_L

AUX_R

LINE_IN_L

LINE_IN_R

PCBEEP_IN

LFE_OUT

CENTER_OUT

MONO_OUT

MICROPHONE

SELECTOR/

MIXING AND

GAIN BLOCK

CD

DIFF AMP

LINE

IN

SELECT

MZ A

MZ A

MA

SURR_OUT_L

SURR_OUT_R

MZ A

MZ A

LINE_OUT_L

HP M A

LINE_OUT_R

HP M A

HP_OUT_L

HP M A

HP_OUT_R

HP M A

AD1986A

SPDIF_OUT

SPDIF TX

AC97CK

PLL

CODEC CORE

G

M

20-BIT

Σ-∆ ADC

G

M

20-BIT

Σ-∆ ADC

ADC

SLOT

LOGIC

M GA

24-BIT

Σ-∆ DAC

GA

GA

GA

GA

GA

M GA

24-BIT

Σ-∆ DAC

M M M GA M GA M GA M GA M M M

M

M

M

M

MA

PC BEEP

GENERATOR

DAC

SLOT

LOGIC

AC '97

CONTROL

REGISTERS

Σ

Σ

M

G = GAIN

A = ATTENUATION

M = MUTE

Z = HI-Z

M

GA

24-BIT EQ

Σ-∆ DAC

M

GA

24-BIT

Σ-∆ DAC

EQ

M

GA

24-BIT

Σ-∆ DAC

Σ

M

GA

24-BIT

Σ-∆ DAC

GPIO

EAPD

GZ

GZ

VOLTAGE

REFERENCE

GZ

M

Figure 1.

VREF_FILT

RESET

SYNC

BITCLK

SDATA_OUT

SDATA_IN

JACK_SENSE_A

JACK_SENSE_B

EAPD

GPO

VREF_OUT

(MIC1/2)

VREF_OUT

(C/LFE)

VREF_OUT

(LINE_IN)

Rev. 0 | Page 4 of 56

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