參數(shù)資料
型號(hào)： LC72146
廠商： Sanyo Electric Co.,Ltd.
英文描述： PLL Frequency Synthesizer for Electronic Tuning(用于電子調(diào)諧的鎖相環(huán)頻率合成器)
中文描述： 鎖相環(huán)頻率合成器電子調(diào)諧（用于電子調(diào)諧的鎖相環(huán)頻率合成器）
文件頁(yè)數(shù)： 6/21頁(yè)
文件大?。?/td> 356K
代理商： LC72146
Continued from preceding page.
Number
Symbol
Type
Function
Equivalent circuit
No. 4922-6/21
LC72146, 72146M
7
O-6
Output port
The LC72146 latches the OUT6 bit in the serial data and
outputs it from pin O-6.
6
O-7
Output port
The LC72146 latches the OUT7 bit in the serial data and
outputs it from pin O-7.
Outputs a time base signal (8 Hz) when TBC is set to 1.
Function after a power on reset: open circuit
9
8
I/O-4
I/O-5
General-purpose
I/O port
General-purpose I/O ports
Output mode circuit type: complementary
Function after a power on reset: input port
Can be set up to function as output ports by bits I/O-4
and I/O-5 in the serial data sent from the controller.
20
19
PD0
PD1
Charge pump
output
PLL charge pump output pin
If the frequency generated by dividing the local oscillator
frequency by N is higher than the reference frequency, a
high level will be output from PD0, and if it is lower, a low
level will be output. PD0 goes to the high-impedance
state when the frequencies match.
PD1 operates identically.
21
22
AIN
AOUT
Connections for the
low-pass filter
transistor
Connections to the n-channel MOS transistor used for
the PLL active low-pass filter.
A high-speed locking circuit can be formed by using
these pins with the built-in sub charge pump.
See the item on the structure of the charge pump for
details.
Continued on next page.
14
HCTR/I-6
General-purpose
counter
HCTR is selected when CTS1 is set to 1.
Input frequency range: 0.4 to 25 MHz
The signal is passed through a divide-by-two circuit and
then input to a general-purpose counter. This input also
supports an integrating count function.
The result is output from the DO output pin starting with
the MSB of the general-purpose counter.
See the item on the structure of the general-purpose
counter for details.
When the H/I-6 bit in the serial data is set to 0:
This pin functions as an input port, and the value input is
output from the DO pin.
相關(guān)PDF資料
PDF描述
LC72147V PLL Frequency Synthesizer for Electronic Tuning in Car Audio Systems
LC72148V Electronic Tuning PLL Frequency Synthesizer for Car Stereo Systems
LC7215 MW/LW PLL Frequency Synthesizers
LC7215F MW/LW PLL Frequency Synthesizers
LC7215FM MW/LW PLL Frequency Synthesizers
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LC72146M 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:PLL Frequency Synthesizer for Electronic Tuning
LC72146MA-AH 功能描述:時(shí)鐘合成器/抖動(dòng)清除器 RoHS:否 制造商:Skyworks Solutions, Inc. 輸出端數(shù)量: 輸出電平: 最大輸出頻率: 輸入電平: 最大輸入頻率:6.1 GHz 電源電壓-最大:3.3 V 電源電壓-最小:2.7 V 封裝 / 箱體:TSSOP-28 封裝:Reel
LC72146MHSQR-U-TRM-E 制造商:Sony Semiconductor Solutions Division 功能描述:
LC72146V 制造商:未知廠家 制造商全稱:未知廠家 功能描述:
LC72147V 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:PLL Frequency Synthesizer for Electronic Tuning in Car Audio Systems
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