AD1885JST 查看數據表（PDF） - Analog Devices
零件编号
产品描述 (功能)
比赛名单
AD1885JST Datasheet PDF : 27 Pages
| |||
AD1885
Filter/Reference
These signals are connected to resistors, capacitors, or specific voltages.
Pin Name
LQFP
I/O Description
VREF
27
VREFOUT
28
AFILT1
29
AFLIT2
30
FILT_R
31
FILT_L
32
RX3D
33
CX3D
34
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—Resistor.
I
3D PHAT Stereo Enhancement—Capacitor.
Power and Ground Signals
Pin Name
LQFP
DVDD1
1
DVSS1
4
DVSS2
7
DVDD2
9
AVDD1
25
AVSS1
26
AVDD2
38
AVSS2
40
AVDD3
43
AVSS3
44
No Connects
Pin Name
LQFP
NC
42
Type
I
I
I
I
I
I
I
I
I
I
Description
Digital VDD 3.3 V
Digital GND
Digital GND
Digital VDD 3.3 V
Analog VDD 5.0 V
Analog GND
Analog VDD 5.0 V
Analog GND
Analog VDD 5.0 V
Analog GND
Type Description
No Connect
MIC1
MIC2
LINE
AUX
CD
VIDEO
PHONE_IN
MONO_OUT
HP_OUT_L
LINE_OUT_L
LINE_OUT_R
HP_OUT_R
PC_BEEP
REV. 0
0
MS
0dB/20dB
M20 0x0E
1
S 0؋20
MV
MIX
0x20
0x04
HPM
0x04
LHV
0x02 0x02
0x22
D
MM LMV
DP
A
0x02 0x02
M
0x22
MM LMV
DP
0x04
HPM
0x04
RHV
ID0
ID1
CHIP SELECT
JS0/EAPD JS1
JACK SENSE
AND EAPD CTRL
LS/RS (0)
VREF
STEREO MIX (L)
MONO MIX
STEREO MIX (R)
LS (4)
RS (4) S
LS (3)
RS (3)
E
L
E
LS (1) C
RS (1) T
LS (2) O
RS (2) R
LS/RS (7)
LS (5)
LS/RS (6)
RS (5)
GAM
0x1C
LIV
IM
GAM
0x1C
RIV
IM
GA
0x0C
PHV
M
0x0C
PHM
GA
0x0E
MCV
M
0x0E
MCM
GA
0x10
LLV
RLV
M
0x10
LM
GA
0x12
LCV
RCV
M
0x12
CM
GA
0x16
LAV
RAV
M
0x16
AM
GA
0x14
LVV
RVV
M
0x14
VM
S 0x1A
AD1885
POP
PHAT
0x20
PHAT
0x20
POP
M
0x0A
PCM
A
0x0A
PCV
G = GAIN
A = ATTENUATION
M = MUTE
S = SELECTOR
A
NC
3D 0x20
SWITCH
NC
B
GAM
0x18
LOV
OM
GAM
0x18
ROV
OM
⌺
⌺
OSCILLATORS
Figure 8. Block Diagram Register Map
–9–
XTL_OUT
XTL_IN
VREFOUT
RESET
SYNC
BIT_CLK
SDATA_OUT
SDATA_IN
Share Link: 