參數(shù)資料
型號(hào): BU1924
廠商: Rohm CO.,LTD.
英文描述: RDS / RBDS decoder
中文描述: 鐵路發(fā)展策略/無(wú)線廣播數(shù)據(jù)解碼器
文件頁(yè)數(shù): 2/5頁(yè)
文件大小: 81K
代理商: BU1924
BU1924 / BU1924F
Audio ICs
!
Block diagram
560p
CMP
V
SS3
comparator
8th Switched
capacitor filter
anti-aliasing
filter
100k
120k
100k
270p
MUX
Vref
2.2
μ
F
V
DD1
1
Analog
Power supply
V
SS1
1
V
DD2
2
Digital
Power supply
V
SS2
XI
XO
4.332MH
Z
33pF
3
33pF
3
PLL
57kH
Z
RDS/ARI
PLL
1187.5Hz
Bi-phase
decoder
Measurement
circuit
Differential
decoder
T1
T2
RDATA
QUAL
RCLK
1
: V
DD1
and V
DD2
are separated within the IC.
2
: Have V
DD2
(digital power supply) of a sufficiently low impedance.
3
: Match the capacitor constants with the crystal manufacturer.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
R
(
X
X
V
D
V
S
T
T
Q
R
V
M
V
D
V
S
V
S
C
Reference
clock
(4)
(3)
(5)
(6)
(12)
(11)
(13)
(14)
(10)
(7)
(8)
(16)
(2)
(9)
(1)
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