參數(shù)資料
型號(hào)： TDA7479
廠商： 意法半導(dǎo)體
英文描述： SINGLE CHIP RDS DEMODULATOR FILTER
中文描述： 單片RDS解調(diào)器過(guò)濾器
文件頁(yè)數(shù)： 4/7頁(yè)
文件大?。?/td> 55K
代理商： TDA7479
OUTPUT TIMING
The RDS (1187.5Hz) output clock on RDCL line
is synchronizedto the incoming data.
According to the internal PLL lock condition data
change can result on the falling or on the rising
clock edge. (see Fig. 1)
Whichever clock edge is used by the decoder
(rising or falling edge) the data will remain valid
for 416.7
μ
sec after the clock transition.
OSCILLATOR CONTROLS (FSEL, OSEL)
Three different crystal frequencies can be used.
The adaption of the internal clock divider to the
external crystal is achieved via the input pin
FSEL. See the followingtable for reference:
Crystal
4.332MHz
8.664MHz
17.328MHz
FSEL
(pin configuration)
connected to GND or open
connected toVs
external resistor of 100K to Vs
A special mode is introduced to reduceEMI. With
pin OSEL connected to GND the internal oscilla-
tor is switched off and an external sinusoidal fre-
quency could be applied on OSCIN. The peak to
peak voltage of this signal can be reduced down
to 60mV.
In this mode the frequency selection via FSEL is
still active.
Suggested values of C1 and C2 are shown in the
following table:
Crystal
4.332MHz
8.664MHz
17.328MHz
C1
27pF
27pF
27pF
C2
47pF
-
-
Figure 1. RDS timing diagram
CLOCK
LINE
DATA
LINE
TDA7479
4/7
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
TDA7479_04 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:SINGLE CHIP RDS DEMODULATOR + FILTER
TDA7479_08 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:Single chip RDS demodulator filter
TDA7479AD 功能描述:射頻無(wú)線雜項(xiàng) INFOTAINMENT SIGNAL RoHS:否 制造商:Texas Instruments 工作頻率:112 kHz to 205 kHz 電源電壓-最大:3.6 V 電源電壓-最小:3 V 電源電流:8 mA 最大功率耗散: 工作溫度范圍:- 40 C to + 110 C 封裝 / 箱體:VQFN-48 封裝:Reel
TDA7479ADTR 功能描述:射頻無(wú)線雜項(xiàng) SINGLE CHIP DEMOD RoHS:否 制造商:Texas Instruments 工作頻率:112 kHz to 205 kHz 電源電壓-最大:3.6 V 電源電壓-最小:3 V 電源電流:8 mA 最大功率耗散: 工作溫度范圍:- 40 C to + 110 C 封裝 / 箱體:VQFN-48 封裝:Reel
TDA7479D 功能描述:音頻 DSP Chip 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
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