參數(shù)資料
型號(hào)： AD1881AJST
廠商： ANALOG DEVICES INC
元件分類(lèi)： 消費(fèi)家電
英文描述： AC’97 SoundMAX Codec
中文描述： SPECIALTY CONSUMER CIRCUIT, PQFP48
封裝： PLASTIC, LQFP-48
文件頁(yè)數(shù)： 8/26頁(yè)
文件大小： 261K
代理商： AD1881AJST
AD1881A
–8–
REV. 0
PIN FUNCTION DESCRIPTIONS
Digital I/O
Pin Name
LQFP
I/O
Description
XTL_IN
XTL_OUT
SDATA_OUT
BIT_CLK
SDATA_IN
SYNC
RESET
2
3
5
6
8
10
11
I
O
I
O
O
I
I
Crystal (or Clock) Input, 24.576 MHz.
Crystal Output.
AC-Link Serial Data Output, AD1881A Input Stream.
AC-Link Bit Clock. 12.288 MHz Serial Data Clock. Daisy Chain Output Clock.
AC-Link Serial Data Input. AD1881A Output Stream.
AC-Link Frame Sample Sync 48 kHz Fixed Rate.
AC-Link Reset. AD1881A Master H/W Reset.
Miscellaneous Connections
Pin Name
LQFP
I/O
Description
CS0
CS1
EAPD
MODE
45
46
47
48
I
I
O
I
Chip Select 0.
Chip Select 1.
External Amp Power-Down Control Signal, Default LO, Active HI
MODE Select.
Analog I/O
These signals connect the AD1881A component to analog sources and sinks, including microphones and speakers.
Pin Name
LQFP
I/O
Description
PC_BEEP
PHONE_IN
AUX_L
AUX_R
VIDEO_L
VIDEO_R
CD_L
CD_GND_REF
CD_ R
MIC1
MIC2
LINE_IN_L
LINE_IN_R
LINE_OUT_L
LINE_OUT_R
MONO_OUT
LNLVL_OUT_L
LNLVL_OUT_R
12
13
14
15
16
17
18
19
20
21
22
23
24
35
36
37
39
41
I
I
I
I
I
I
I
I
I
I
I
I
I
O
O
O
O
O
PC Beep. PC Speaker Beep Passthrough.
Phone. From Telephony Subsystem Speakerphone or Handset.
Auxiliary Input Left Channel.
Auxiliary Input Right Channel.
Video Audio Left Channel.
Video Audio Right Channel.
CD Audio Left Channel.
CD Audio Analog Ground Reference for Pseudo-Differential CD Input.
CD Audio Right Channel.
Microphone 1. Desktop Microphone Input.
Microphone 2. Second Microphone Input.
Line In Left Channel.
Line In Right Channel.
Line Out Left Channel.
Line Out Right Channel.
Monaural Output to Telephony Subsystem Speakerphone.
Line-Level Output Left Channel.
Line-Level Output Right Channel.
Filter/Reference
These signals are connected to resistors, capacitors, or specific voltages.
Pin Name
LQFP
I/O
Description
VREF
VREFOUT
AFILT1
AFILT2
FILT_R
FILT_L
RX3D
CX3D
27
28
29
30
31
32
33
34
O
O
O
O
O
O
O
I
Voltage Reference Filter.
Voltage Reference Output 5 mA Drive (Intended for MIC Bias).
Antialiasing Filter Capacitor—ADC Right Channel.
Antialiasing Filter Capacitor—ADC Left Channel.
AC-Coupling Filter Capacitor—ADC Right Channel.
AC-Coupling Filter Capacitor—ADC Left Channel.
3D PHAT Stereo Enhancement—Capacitor.
3D PHAT Stereo Enhancement—Capacitor.
相關(guān)PDF資料
PDF描述
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
AD1881AJSTZ 制造商:Analog Devices 功能描述:IC AUDIO CODEC
AD1881AJSTZ-REEL 制造商:Analog Devices 功能描述:Audio Codec 2ADC / 2DAC 16-Bit 48-Pin LQFP T/R
AD1881JST 制造商:Analog Devices 功能描述:AC'97 SOUNDMAX CODEC 制造商:Analog Devices 功能描述:SOUNDCARD CIRCUITS, 48 Pin, Plastic, QFP
AD1882 制造商:AD 制造商全稱(chēng):Analog Devices 功能描述:High Definition Audio SoundMAX Codec
AD1882A 制造商:AD 制造商全稱(chēng):Analog Devices 功能描述:High Definition Audio SoundMAX Codec
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