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參數(shù)資料
| 型號(hào)： | TDA7331 |
| 廠商： | STMICROELECTRONICS |
| 元件分類(lèi)： | 消費(fèi)家電 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, PDIP20 |
| 封裝： | DIP-20 |
| 文件頁(yè)數(shù)： | 1/7頁(yè) |
| 文件大小： | 210K |
| 代理商： | TDA7331 |
VERY HIGH RDS DEMODULATION QUALITY
WITH IMPROVED DIGITAL SIGNAL PROC-
ESSING
HIGH PERFORMANCE, 57KHz BANDPASS
FILTER (8th ORDER)
PURELY DIGITAL RDS DEMODULATION
WITHOUT EXTERNAL COMPONENTS
ARI INDICATION AND RDS SIGNAL QUAL-
ITY OUTPUTS
4.332MHz CRYSTAL OSCILLATOR
(8.664 and 17.328MHz SELECTABLE OP-
TIONS)
LOW NOISE CMOS TECHNOLOGY
LOW RADIATION
DESCRIPTION
The
TDA7331,
an
improved
version
of
TDA7330B, recovers the additional inaudible
RDS information which is transmitted by FM radio
broadcasting stations and operates in accord-
ance with the EBU (European Broadcasting Un-
ion) specifications.
The device is made up of two sections: a cas-
caded antialiasing + switched capacitors band-
pass filter for precise RDS band selection and a
demodulating section that performs the extraction
od RDS data stream (RDDA) and clock (RDCL),
to be furher processed by a suitable RDS de-
coder.
Outputs for RDS signal quality and ARI indication
are also present.
September 2003
2nd ORDER
ANTIALIASING
FILTER
8th ORDER
SC-BANDPASS
FILTER
MPX
1
270pF
-
+
4
FILOUT
16
VS
2
VREF
100nF
10
F
OSCILLATOR &
DIVIDER
57KHz PLL
FAST ARI
INDICATOR
POLARITY
BIPHASE DEC.
INTEGRAL
BIPHASE DEC.
1187.5Hz
PLL
MUX
0
1
DIFF. DECODER
TEST LOGIC
QUAL DET.
5
GND
N.C.
6,7,8,17
20
EXTRES
9
10
3
18
12
15
14
D97AU686B
TM
19
RDDA
13
QUAL
ARI
RDCL
FSEL
OSEL
OSCOUT
OSCIN
4.332MHz
C2 47pF
C1 27pF
11
T57
BLOCK DIAGRAM and TEST CIRCUIT
TDA7331
SINGLE CHIP RDS DEMODULATOR + FILTER
DIP20
SO20
ORDERING NUMBERS:
TDA7331
TDA7331D
1/7
Obsolete
Product(s)
- Obsolete
Product(s)
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相關(guān)PDF資料 |
PDF描述 |
|---|---|
| TDA7331D | SPECIALTY CONSUMER CIRCUIT, PDSO20 |
| TDA7365 | 9 W, 2 CHANNEL, AUDIO AMPLIFIER, PZFM15 |
| TDA7376B | 37 W, 2 CHANNEL, AUDIO AMPLIFIER, PZFM15 |
| TDA7391 | 32 W, 1 CHANNEL, AUDIO AMPLIFIER, PZFM11 |
| TDA7393 | 30 W, 2 CHANNEL, AUDIO AMPLIFIER, PZFM15 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TDA7331D | 功能描述:音頻 DSP RDS Demodulator RoHS:否 制造商:Texas Instruments 工作電源電壓: 電源電流: 工作溫度范圍: 安裝風(fēng)格: 封裝 / 箱體: 封裝:Tube |
| TDA7331DTR | 功能描述:音頻 DSP RDS Demodulator RoHS:否 制造商:Texas Instruments 工作電源電壓: 電源電流: 工作溫度范圍: 安裝風(fēng)格: 封裝 / 箱體: 封裝:Tube |
| TDA7332 | 制造商:STMICROELECTRONICS 制造商全稱(chēng):STMicroelectronics 功能描述:RDS FILTER |
| TDA7332D | 功能描述:音頻 DSP RDS Filter RoHS:否 制造商:Texas Instruments 工作電源電壓: 電源電流: 工作溫度范圍: 安裝風(fēng)格: 封裝 / 箱體: 封裝:Tube |
| TDA7333 | 制造商:STMICROELECTRONICS 制造商全稱(chēng):STMicroelectronics 功能描述:RDS/RBDS PROCESSOR |
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