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AD1885 Datasheet(PDF) 9 Page - Analog Devices

Part # AD1885
Description  AC??7 SoundMAX Codec
PDF  27 Pages
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Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices

AD1885 Datasheet(HTML) 9 Page - Analog Devices

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AD1885
–9–
REV. 0
Filter/Reference
These signals are connected to resistors, capacitors, or specific voltages.
Pin Name
LQFP
I/O
Description
VREF
27
O
Voltage Reference Filter.
VREFOUT
28
O
Voltage Reference Output 5 mA Drive (Intended for Mic Bias).
AFILT1
29
O
Antialiasing Filter Capacitor—ADC Right Channel.
AFLIT2
30
O
Antialiasing Filter Capacitor—ADC Left Channel.
FILT_R
31
O
AC-Coupling Filter Capacitor—ADC Right Channel.
FILT_L
32
O
AC-Coupling Filter Capacitor—ADC Left Channel.
RX3D
33
O
3D PHAT Stereo Enhancement—Resistor.
CX3D
34
I
3D PHAT Stereo Enhancement—Capacitor.
Power and Ground Signals
Pin Name
LQFP
Type
Description
DVDD1
1
I
Digital VDD 3.3 V
DVSS1
4
I
Digital GND
DVSS2
7
I
Digital GND
DVDD2
9
I
Digital VDD 3.3 V
AVDD1
25
I
Analog VDD 5.0 V
AVSS1
26
I
Analog GND
AVDD2
38
I
Analog VDD 5.0 V
AVSS2
40
I
Analog GND
AVDD3
43
I
Analog VDD 5.0 V
AVSS3
44
I
Analog GND
No Connects
Pin Name
LQFP
Type
Description
NC
42
No Connect
Figure 8. Block Diagram Register Map
XTL_IN
XTL_OUT
S 0 20
0
1
MS
0dB/20dB
M20 0x0E
GA
0x0E
MCV
GA
0x0C
PHV
GA
0x10
LLV
RLV
GA
0x12
LCV
RCV
GA
0x16
LAV
RAV
GA
0x14
LVV
RVV
M
0x10
LM
M
0x12
CM
M
0x16
AM
M
0x14
VM
M
0x0E
MCM
M
0x0C
PHM
D
A
M
0x02
LMV
0x02
MM
0x02
LMV
0x02
MM
0x04
LHV
0x04
HPM
0x04
RHV
0x04
HPM
M
0x0A
PCM
A
0x0A
PCV
LS (4)
RS (4)
LS (3)
RS (3)
LS (1)
RS (1)
LS (2)
RS (2)
LS/RS (7)
LS (5)
LS/RS (6)
RS (5)
S
E
L
E
C
T
O
R
LS/RS (0)
S 0x1A
A
B
NC
NC
3D 0x20
SWITCH
PHAT
0x20
0x22
DP
PHAT
0x20
0x22
DP
GAM
0x18
LOV
OM
GAM
0x18
ROV
OM
GAM
0x1C
LIV
IM
GAM
0x1C
RIV
IM
JACK SENSE
AND EAPD CTRL
CHIP SELECT
JS0/EAPD
JS1
VREFOUT
MV
MIX
0x20
OSCILLATORS
SYNC
BIT_CLK
SDATA_OUT
SDATA_IN
HP_OUT_L
MONO_OUT
PHONE_IN
VIDEO
CD
AUX
LINE
MIC2
MIC1
LINE_OUT_L
LINE_OUT_R
HP_OUT_R
PC_BEEP
AD1885
G = GAIN
A = ATTENUATION
M = MUTE
S = SELECTOR
POP
POP
VREF
STEREO MIX (L)
MONO MIX
STEREO MIX (R)
ID1
ID0
RESET



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