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參數(shù)資料
| 型號： | LC72720M |
| 廠商： | Sanyo Electric Co.,Ltd. |
| 英文描述： | Single-Chip RDS Signal-Processing System LSI |
| 中文描述： | 單芯片發(fā)展策略的信號處理系統(tǒng)LSI |
| 文件頁數(shù)： | 5/14頁 |
| 文件大?。?/td> | 235K |
| 代理商： | LC72720M |
No. 5602-5/14
LC72720, 72720M
Parameter
Symbol
Conditions
Ratings
Unit
min
typ
max
Reference voltage output
Vref
VREF : Vdda = 5 V
2.5
V
Hysteresis
V
HIS
V
OL
1
V
OL
2
I
IH
1
I
IH
2
I
IL
1
I
IL
2
CL, DI, CE, SYR, T1, T2
0.1 Vddd
V
Output low-level voltage
DO, T3, T4, T5, T6, T7 : I = 2 mA
0.4
V
SYNC, RDS-ID : I = 8 mA
0.4
V
Input high-level current
CL, DI, CE, SYR, T1, T2 : V
I
= 6.5 V
XIN : V
I
= Vddd
CL, DI, CE, SYR, T1, T2 : V
I
= 0 V
XIN : V
I
= 0 V
DO, SYNC, RDS-ID, T3, T4, T5, T6, T7 :
V
O
= 6.5 V
Vddd + Vdda
5.0
μA
2.0
11
μA
Input low-level current
5.0
μA
2.0
11
μA
Output off leakage current
I
OFF
5.0
μA
Current drain
Idd
12
mA
Continued from preceding page.
CCB Output Data Format
Each block of output data consists of 32 bits (4 bytes), of which 2 bytes are RDS data and 2 bytes are flag data.
Any number of 32-bit output data blocks can be output consecutively.
When there is no data that can be read out in the internal memory, the system outputs blocks of all-zero data
consecutively.
If data readout is interrupted, the next read operation starts with the 32-bit data block whose readout was interrupted.
However, if only the last bit remains to be read, it will not be possible to reread that whole block.
The check bits (10 bits) are not output.
CCB address 6C
1. Offset word detection flag (1 bit): OWD
2. Offset word information flag (3 bits): B0 to B2
OWD
Offset word detection
1
Detected
0
Not detected (protection function operating)
B
2
B
1
B
0
Offset word
0
0
0
A
0
0
1
B
0
1
0
C
0
1
1
C’
1
0
0
D
1
0
1
E
1
1
0
Unused
1
1
1
Unused
Output data/first bit
Last bit
(8) RDS data
(7) Error information flags
(6) Synchronization established flag
(5) ARI (SK) detection flag
(4) RAM data remaining flag
(3) Consecutive RAM read out possible flag
(2) Offset word information flag
(1) Offset word detection flag
Fixed pattern (1010)
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| LC72722M | Single-Chip RDS Signal-Processing System LSI |
| LC72722PM | Single-Chip RDS Signal-Processing System LSI |
| LC72723 | RDS Demodulation IC |
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| LC72720N | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:Single-Chip RDS Signal-Processing System LSI |
| LC72720NM | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:Single-Chip RDS Signal-Processing System LSI |
| LC72720Y | 制造商:未知廠家 制造商全稱:未知廠家 功能描述: |
| LC72720YV | 制造商:未知廠家 制造商全稱:未知廠家 功能描述: |
| LC72720YVS | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:Single-Chip RDS Signal-Processing System IC |
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