參數(shù)資料
型號: UPC1857
廠商: NEC Corp.
英文描述: SOUND CONTROL IC WITH SURROUND AND I2C BUS
中文描述: 聲控集成電路環(huán)繞和I2C總線
文件頁數(shù): 4/44頁
文件大?。?/td> 343K
代理商: UPC1857
4
μ
PC1857A
BLOCK DIAGRAM
29
30
+
28
24
23
22
21
20
15
19
18
10
26
27
25
1
14
6
5
4
3
2
8
12
11
820 k
LPF
LPF
PS1PS2 PS3 PS4
0.082
V
CC
1
2
22
12 V
680 pF
μ
μ
μ
μ
μ
μ
μ
MFO
Lin
+
MFI
LF1
DGND
LBC
LTC
VOL-C
17
Lout
Rout
3300 pF
OFL1 OFL2
ADS SDA SCL
L + R
L +
R
-
L
R
+
+
+
-
+
-
+
+
+
+
+
+
+
+
-
V
CC
F
2.2 F
Rin
+
FC1 FC2 FC3 FC4
OFR1 OFR2
LF2
AGND
RBC
RTC
BAL-C
2.2 F
0.1 F
0.022
1000 pF
F
0.047
F
3300 pF
F
3.3
F
2.2
0.022
2200 pF
F
+
2.2 F
F
2.2
+
F
0.047 F
3.3
F
V
CC
1
2
I
2
C bus
interface
Volume,
balance
control/
mute
Tone
control
Tone
control
Offset
absorption
Offset
absorption
Output
select
Effect
control
Phase shifter
7
16
+
13
9
μ
μ
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