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參數(shù)資料
| 型號： | SDA 4335 |
| 廠商： | SIEMENS AG |
| 元件分類： | 通用總線功能 |
| 英文描述： | PLL Frequency Synthesizer, IF Counter, 7 bit ADC, 7 & 4 bit DAC(包含IF計數(shù)器,7位ADC,7和4位DAC的用于汽車收音機的鎖相環(huán)頻率合成器) |
| 中文描述： | 鎖相環(huán)頻率合成器，中頻計數(shù)器，7位ADC，7 |
| 文件頁數(shù)： | 5/33頁 |
| 文件大小： | 676K |
| 代理商： | SDA 4335 |
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The SDA 4335 is a Car-Radio PLL frequency synthesizer implemented in Infineon BiCMOS
technology B6CA. The device contains the PLL, 2 pin 61.5MHz Oscillator internally coupled to
PLL, an IF Counter for AM & FM an 7 bit ADC, an 7 & 4 bit DAC and additonal 2 ports for input-
or output-functions. Primary applications are in Car-Radio systems.
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Operation range 8 to 11 V
I
2
C Bus and 3Wire Bus operation selectable
Bus interface with low threshold voltage Schmitt-Trigger inputs for interfacing 3V or 5V microprocessors
16 bit fully programmable R- and N-Counter
Resolution e.g.100kHz, 50kHz, 25kHz, 12.5kHz, 10kHz, 6.25kHz, 6kHz, 5kHz, 3kHz, 1kHz.
4 programmable phase detector currents : 0.5mA, 1mA, 2mA, 4mA.
Rail to rail Loop-amplifier
2 Chargepump-outputs for different timeconstants
High running 2 pin crystal oscillator f
Q
= 61.5MHz , adjustable via Bus
Switchable output for 10.25MHz (500mVss @ load-capacitance 10pF)
Multiplexed 7 bit ADC for ADC_IN1 and ADC_IN2. Result read out via bus (2 bytes).
7 bit DAC-output, range 0...VREFD5V
4 bit DAC-output, range 0...VREFD5V
3 free programmable output PORTS
PORT 1: free programmable output
PORT 2: for AM seek mode or input port for stereo-indicator
PORT 3: IFC_SD for IF counter resolution or input port for station-detect
Search tuning stop with IF counter measurement, result read out via bus or port.
FM-mode
320us...40.96ms
10.40 MHz ... 11.19375 MHz or
20.80 MHz ... 22.3875 MHz
+/- 6.25 kHz...100 kHz
+/- 12.5 kHz...200 kHz
AM-mode
1ms...64ms
440kHz...471kHz
gatetime
center-frequency (standard)
(double)
window-resolution (standard)
(double)
+/- 250Hz...4kHz
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