Denon AVR-4810, Руководство по обслуживанию

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108
AVR-4810CI/AVR-4810
AD8195ACPZ (AV : IC451)
Functional Block Diagram
NOTES
1. THE AD8195 LFCSP HAS AN EXPOSED PAD ON THE UNDERSIDE OF
THE PACKAGE THAT AIDS IN HEAT DISSIPATION. THE PAD MUST BE
ELECTRICALLY CONNECTED TO THE AVEE SUPPLY PLANE IN ORDER
TO MEET THERMAL SPECIFICATIONS.
AD8195
TOP VIEW
(Not to Scale)
1 IN0
2 IP0
3 IN1
4 IP1
5 VTTI
6 IN2
7 IP2
10 AVCC
30 AVCC
29 PE_EN
28 TX_EN
27 AVEE
26 AVCC
25 AVCC
24 AVEE
21 COMP
40
S
C
L
_
IN
39
S
DA_I
N
38
CE
C_I
N
3
7
A
VEE
3
6
VR
EF
_
IN
35
S
C
L
_
O
U
T
34
S
DA_O
UT
31
CE
C_O
UT
11
ON
0
12
OP
0
13
VT
T
O
14
ON
1
15
OP
1
16
AVCC
17
ON
2
20
OP
3
9 IP3
8 IN3
22 AVCC
23 AVCC
19
ON
3
18
OP
2
3
2
A
M
U
XVC
C
3
3
VR
EF
_
O
U
T
PIN 1
INDICATOR
07
04
9-
00
3
IP[3:0]
IN[3:0]
VTTI
OP[3:0]
AMUXVCC
AVEE
VTTO
AVCC
ON[3:0]
VREF_IN VREF_OUT
+
–
+
–
EQ
BUFFER
PE
CONTROL
LOGIC
4
4
4
2 2
4
HIGH SPEED BUFFERED
LOW SPEED BUFFERED
PE
_
EN
TX
_
E
N
CO
M
P
PARALLEL
BIDIRECTIONAL
AD8195
SCL_IN
SDA_IN
SCL_OUT
SDA_OUT
CEC_IN CEC_OUT
07
04
9-
0
01
Figure 1.