AD1819 데이터 시트보기 (PDF) - Analog Devices
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AD1819 Datasheet PDF : 28 Pages
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AD1819B
Analog I/O
These signals connect the AD1819B component to analog sources and sinks, including microphones and speakers.
Pin Name
LQFP
I/O
Description
PC_BEEP
12
PHONE_IN
13
AUX_L
14
AUX_R
15
VIDEO_L
16
VIDEO_R
17
CD_L
18
CD_GND
19
CD_R
20
MIC1
21
MIC2
22
LINE_IN_L
23
LINE_IN_R
24
LINE_OUT_L 35
LINE_OUT_R 36
MONO_OUT 37
I
PC Beep. PC Speaker Beep Pass-Through
I
Phone. From Telephony Subsystem Speakerphone or Handset
I
Auxiliary Input Left Channel
I
Auxiliary Input Right Channel
I
Video Audio Left Channel
I
Video Audio Right Channel
I
CD Audio Left Channel
I
CD Audio Analog Ground Sense for Differential CD Input
I
CD Audio Right Channel
I
Microphone 1. Desktop Microphone Input
I
Microphone 2. Second Microphone Input
I
Line In Left Channel
I
Line In Right Channel
O
Line Out Left Channel
O
Line Out Right Channel
O
Monaural Output to Telephony Subsystem Speakerphone
Filter/Reference
Pin Name
LQFP
VREF
27
VREFOUT
28
AFILT1
29
AFILT2
30
FILT_R
31
FILT_L
32
RX3D
33
CX3D
34
I/O
Description
O
Voltage Reference Filter
O
Voltage Reference Output 5 mA Drive (Intended for Mic Bias)
O
Antialiasing Filter Capacitor—ADC Right Channel
O
Antialiasing Filter Capacitor—ADC Left Channel
O
AC-Coupling Filter Capacitor—ADC Right Channel
O
AC-Coupling Filter Capacitor—ADC Left Channel
O
3D Phat Stereo Enhancement—Capacitor
I
3D Phat Stereo Enhancement—Capacitor
Power and Ground Signals
Pin Name
LQFP
I/O
DVDD1
1
I
DVSS1
4
I
DVSS2
7
I
DVDD2
9
I
AVDD1
25
I
AVSS1
26
I
AVDD2
38
I
AVSS2
42
I
No Connects
Pin Name
LQFP
I/O
NC
39
NC
40
NC
41
NC
43
NC
44
Description
Digital VDD—5.0 V
Digital GND
Digital GND
Digital VDD—5.0 V
Analog VDD—5.0 V
Analog GND
Analog VDD—5.0 V
Analog GND
Description
No Connect
No Connect
No Connect
No Connect
No Connect
REV. 0
–9–
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