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參數(shù)資料
| 型號： | TDA7427AD1TR |
| 廠商： | STMICROELECTRONICS |
| 元件分類： | PLL合成/DDS/VCOs |
| 英文描述： | PLL FREQUENCY SYNTHESIZER, 200 MHz, PDSO28 |
| 封裝： | SO-28 |
| 文件頁數(shù)： | 1/22頁 |
| 文件大小： | 444K |
| 代理商： | TDA7427AD1TR |
TDA7427A
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 TO
64MHz (SHORT WAVE BAND)
IN-LOCK DETECTOR FOR SEARCH/STOP
STATION FUNCTION
STAND-BY MODE FOR LOW POWER CON-
SUMPTION
HIGH
CURRENT
SOURCE
FOR
0.5ms
LOCK-IN TIME
DIGITAL PORT EXTENSION WITH SIX OUT-
PUTS FOR FLEXIBILITY IN APPLICATION
FULLY PROGRAMMABLE BY I
2C BUS
DESCRIPTION
The TDA7427A 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
speed RDS tuners. The device has dedicated out-
puts for IN-LOCK detection and Search/Stop sta-
tion.
September 2002
SWITCH
AM/FM
PRECOUNTER
:32/33
5 BIT PROG.
COUNTER
11-21 BIT PROG COUNTER
SWITCH
SWM/DIR
11 BIT PROG
COUNTER
INLOCK
DETECTOR
PHASE
COMP
REF
OSCILLATOR
CHARGE
PUMP
-
+
SWITCH
LP1/LP2
14 BIT PROG
COUNTER
TIMER
CONTROL
I2C BUS
INTERFACE
TEST
LOGIC
PORT EXTENSION
FM_IN
AM_IN
OSCIN
ADDR
SCL
SDA
IF_AM
IF_FM
DOUT2
DOUT3
DOUT4
DOUT5
DOUT6
VDD2
GNDAN
VREF
LP_OUT
VDD1
LP_FM
LP_AM
D95AU372D
SWITCH
SWM/DIR
16 BIT PROG
COUNTER
VDD1
OSCOUT
SSTOP
GNDDIG
LP_HC
DOUT1/INLOCK
24
25
9
10
20
12
13
27
21
22
14
15
16
185678
26
4
28
1
3
2
17
HFREF
19
SUPPLY
&
POWER-ON
RESET
SWITCH
AM/FM
SWITCH
OUT
BLOCK DIAGRAM
ORDERING NUMBERS: TDA7427AD (TSSOP28)
TDA7427AD1 (SO28)
TSSOP28
SO28
1/21
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| TDA7427D | 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: 安裝風格: 封裝 / 箱體: 封裝:Tube |
| TDA7429 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:DIGITALLY CONTROLLED AUDIO PROCESSOR WITH SURROUND SOUND MATRIX |
| TDA7429L | 功能描述:音頻 DSP 3-Band Equalizer RoHS:否 制造商:Texas Instruments 工作電源電壓: 電源電流: 工作溫度范圍: 安裝風格: 封裝 / 箱體: 封裝:Tube |
| TDA7429S | 功能描述:音頻 DSP 3-Band Equalizer RoHS:否 制造商:Texas Instruments 工作電源電壓: 電源電流: 工作溫度范圍: 安裝風格: 封裝 / 箱體: 封裝:Tube |
| TDA7429T | 功能描述:音頻 DSP 3-Band Equalizer RoHS:否 制造商:Texas Instruments 工作電源電壓: 電源電流: 工作溫度范圍: 安裝風格: 封裝 / 箱體: 封裝:Tube |
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