參數(shù)資料
型號: UPC1853
廠商: NEC Corp.
英文描述: CONN SEALING FOR WALL RCPT #14
中文描述: 矩陣環(huán)繞集成電路I2C總線
文件頁數(shù): 74/76頁
文件大?。?/td> 544K
代理商: UPC1853
74
μ
PC1853
7. MEASURING CIRCUIT
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
F
MFO
LF1
Rin
Lin
1/2 V
CC
OFC
DGND ADS
SDA
SCL
BAL-C
(RVC)
L2 OUT
VOL-C
(LVC)
R2 OUT
0.082
820 k
Note
Note
Note
F
μ
22
+
+
F
μ
22
+
F
μ
22
+
F
μ
22
F
+
μ
3.3
F
μ
3.3
Switch 2
Switch 1
a
b
b
L, R channel
signal input
DGND
DV
DD
(+5 V)
b
Switch 3
DGND SDA SCL
I
2
C bus
L channel
signal 2
output
R channel
signal 2 output
F
μ
0.1
Note
2200 pF
Note
Note
Note
Note
Note
Note
Note
Note
1000 pF 6800 pF
6800 pF
F
μ
0.022
F
μ
0.022
F
μ
0.1
F
μ
0.1
AGND
FC1
FC2
FC3
FC4
LF2
RTC
RBC
LTC
LBC
Rear OUT
V
CC
L+R OUT
R1 OUT L1 OUT
F
μ
0.01
F
μ
47
Rear
output
L+R
signal
output
R-
channel
signal1
output
L-
channel
signal1
output
AV
CC
(+12 V)
AGND
PC1853CT
μ
a
MFI
680 pF
+
a
μ
+
Note
Recommended external parts.
Carbon-film resistor :
Film capacitor
Ceramic capacitor
±
1 %
±
1 %
±
1 %
:
:
Use external parts as follows unless otherwise
specified.
Carbon-film resistor :
Film capacitor
Electrolytic capacitor:
±
5 %
±
20 %
±
20 %
:
Attention on Printed Wiring
1. AGND: Wide area grounding.
2. Connect terminating resistors as near pins 26 and 27
as possible.
3. Make the wiring of I
2
C bus block distant from the
wiring of analog block.
4. Connect by-pass capacitor near pin 15 (V
CC
pin).
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