參數(shù)資料
型號(hào)： TDA7427
廠商： 意法半導(dǎo)體
元件分類： 通用總線功能
英文描述： AM-FM RADIO FREQUENCY SYNTHESIZER AND IF COUNTER
中文描述： 上午- FM收音機(jī)頻率合成器和中頻計(jì)數(shù)器
文件頁(yè)數(shù)： 1/21頁(yè)
文件大?。?/td> 144K
代理商： TDA7427
TDA7427
AM-FM RADIO FREQUENCY SYNTHESIZER
AND IF COUNTER
ON-CHIP REFERENCE OSCILLATOR AND
PROGRAMMABLE IF COUNTER
VHF INPUT AND PRECOUNTER FOR FRE-
QUENCIES UP TO 290MHz (SUITABLE FOR
DAB APPLICATION)
HF INPUT FOR FREQUENCIES UP
64MHz (SHORT WAVE BAND)
IN-LOCK DETECTOR FOR SEARCH/STOP
STATIONFUNCTION
STAND-BY MODE FOR LOW POWER CON-
SUMPTION
HIGH
CURRENT
SOURCE
LOCK-INTIME
DIGITAL PORT EXTENSION WITH TWO
OUTPUTS FOR FLEXIBILITY IN APPLICA-
TION
FULLY PROGRAMMABLEBY I
2
C BUS
TO
FOR
0.5ms
DESCRIPTION
The TDA7427 is a PLL frequency synthesizer
with an additional IF counting system that per-
forms all the functions needed in a complete PLL
radio tuning system for conventional and high
speedRDS tuners.The device has dedicatedout-
puts for IN-LOCK detection and Search/Stop sta-
tion.
November 1999
SWITCH
AM/FM
PRECOUNTER
:32/33
5 BIT
PROG.
CNT
11-21 BIT PROG CNT
SWITCH
SWM/DIR
11 BIT
PROG
CNT
INLOCK
DETECTOR
PHASE
COMP
REF
OSCILLATOR
CHARGE
PUMP
-
+
SWITCH
LP1/LP2
14 BIT
PROG
CNT
TIMER
CONTROL
I2C BUS
INTERFACE
TEST
LOGIC
PORT EXTENSION
FM_IN
AM_IN
OSCIN
SCL
SDA
IF_AM
IF_FM
VDD2
GNDan/GNDdig
VREF
LPOUT
VDD1
LP_FM
LP_AM
D95AU418B
SWITCH
SWM/DIR
16 BIT
PROG
CNT
POWER
ON
RESET
DOUT3
VDD1
OSCOUT
SSTOP
LP_HC
DOUT1/INLOCK
16
17
5
6
8
9
19
15
10
11
7
12
18
4
20
1
3
2
13
HFREF
14
BLOCK DIAGRAM
ORDERING NUMBERS:
TDA7427(DIP20)
TDA7427D (SO20)
DIP20
SO20
1/21
相關(guān)PDF資料
PDF描述
TDA7427D AM-FM RADIO FREQUENCY SYNTHESIZER AND IF COUNTER
TDA7429L 3 BAND EQUALIZER AUDIO PROCESSOR WITH SUBWOOFER CONTROL
TDA7429S DIGITALLY CONTROLLED AUDIO PROCESSOR WITH SURROUND SOUND MATRIX
TDA7429T DIGITALLY CONTROLLED AUDIO PROCESSOR WITH SURROUND SOUND MATRIX
TDA7429 Digitally Controlled Audio Processor with Surround Sound Matrix(數(shù)控音頻處理器)
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
TDA7427A 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:AM-FM RADIO FREQUENCY SYNTHESIZER AND IF COUNTER
TDA7427AAD 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:AM-FM RADIO FREQUENCY SYNTHESIZER AND IF COUNTER
TDA7427AAD1 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:AM-FM RADIO FREQUENCY SYNTHESIZER AND IF COUNTER
TDA7427AD1 功能描述:音頻 DSP AM/FM Radio Freq Syn 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
TDA7427AD1TR 功能描述:鎖相環(huán) - PLL AM/FM Radio Freq Syn RoHS:否 制造商:Silicon Labs 類型:PLL Clock Multiplier 電路數(shù)量:1 最大輸入頻率:710 MHz 最小輸入頻率:0.002 MHz 輸出頻率范圍:0.002 MHz to 808 MHz 電源電壓-最大:3.63 V 電源電壓-最小:1.71 V 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:QFN-36 封裝:Tray
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