Analog Devices ADAV4622, Руководство пользователя

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ADAV4622
Rev. B | Page 13 of
28
PIN CONFIGURATION AND FUNCTION DESCRIPTIONS
VREF
AGND
AVDD
SIF_REFN
SIF_REFCM
SIF_REFP
FILTA
SIF_IN1
SIF_PGA_REF
SIF_IN2
AVDD
DGND
DVDD
MUTE
SDA
SCL
SPDIF_IN5/LRCLK2
SPDIF_IN6/BCLK2
DGND
2
3
4
7
6
5
1
8
9
10
12
13
14
15
16
17
18
19
20
11 AGND
AVDD
HPOUT1R
HPOUT1L
PLL_LF
AGND
AGND
HPOUT2L
AVDD
DGND
DVDD
PWM4B
PWM4A
PWM3B
PWM3A
PWM2B
PWM2A
PWM1B
PWM1A
DGND
59
58
57
54
55
56
60
53
52
51
49
48
47
46
45
44
43
42
41
50 RESET
21
DV
D
D
22
SD
IN
0
23
SD
IN
1
24
SD
IN
2
25
S
P
D
IF
_I
N0/
S
DI
N3
26
S
P
D
IF
_IN
1/L
R
C
L
K
0
27
SP
DI
F
_I
N2/
BCL
K0
28
OD
GN
D
29
OD
V
D
D
30
MC
L
K
_O
U
T
31
DV
D
D
32
DG
ND
33
MC
L
K
I/
X
IN
34
XO
U
T
35
SP
DI
F
_I
N4/
BCL
K1
36
S
P
D
IF
_IN
3/L
R
C
L
K
1
37
SDO
0/
A
D
0
38
S
P
D
IF
_OU
T
/S
D
O1
39
PW
M
_R
E
ADY
40
DV
D
D
IS
E
T
AU
X
IN
1R
AU
X
IN
1L
AU
X
IN
2R
AU
X
IN
2L
AU
X
O
U
T
2R
AU
X
O
U
T
2L
AU
X
O
U
T
1R
AU
X
O
U
T
1L
AV
D
D
AG
ND
AG
ND
AV
D
D
FI
LTD
NC AU
X
O
U
T
4R
AU
X
O
U
T
4L
AU
X
O
U
T
3R
AU
X
O
U
T
3L
HP
O
UT
2R
80 79 78 77 76 75 74 73 72 71 70 69 68 67 66 65 64 63 62 61
PIN 1
ADAV4622
TOP VIEW
(Not to Scale)
0
706
8-
0
06
NC = NO CONNECT
Figure 9. Pin Configuration
Table 5. Pin Function Descriptions
Pin No. Mnemonic Description
1 FILTA ADC Filter Capacitor.
2 VREF Reference Capacitor.
3 AGND ADC Ground.
4 AVDD ADC Supply (3.3 V).
5 SIF_REFP SIF ADC Positive Reference (Typical 1.4 V).
6 SIF_REFCM SIF ADC Common-Mode Reference (Typical 1 V).
7 SIF_REFN SIF ADC Negative Reference (Typical 0.6 V).
8 SIF_IN1 SIF Input 1.
9 SIF_PGA_REF SIF PGA Reference.
10 SIF_IN2 SIF Input 2.
11 AGND SIF AGND.
12 AVDD SIF Supply (3.3 V).
13 DGND Digital Ground.
14 DVDD Digital Supply (1.8 V).
15 MUTE Active Low Mute Request Input Signal.