參數(shù)資料
型號(hào): LC72135M
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)
文件頁數(shù): 7/24頁
文件大?。?/td> 300K
代理商: LC72135M
Continued from preceding page.
No. 5157-7/24
LC72135M
Symbol
Pin No.
Type
Functions
Circuit configuration
V
SS
BO1
BO2
BO3
BO4
IO2
PD
AIN
AOUT
19
6
7
8
9
12
16
17
18
Ground
Output port
I/O port
Charge pump
output
LPF amplifier
transistor
The LC72135M ground
Dedicated output pins
The output states are determined by BO1 to BO4 bits in
the serial data.
Data: 0 = open, 1 = low
All output ports are set to the open state following a
power-on reset.
A time base signal (8 Hz) can be output from the BO1
pin. (When the serial data TBC bit is set to 1.)
Care is required when using the BO1 pin, since it has a
higher on impedance that the other output ports (pins
BO2 to BO4).
I/O dual-use pins
The direction (input or output) is determined by bit IOC2
in the serial data.
Data: 0 = input port, 1 = output port
When specified for use as input ports:
The state of the input pin is transmitted to the controller
over the DO pin.
Input state: low = 0 data value
high = 1 data value
When specified for use as output ports:
The output states are determined by the IO2 bit in the
serial data.
Data: 0 = open, 1 = low
The pin function as input pin following a power-on reset.
PLL charge pump output
When the frequency generated by dividing the local
oscillator frequency by N is higher than the reference
frequency, a high level is output from the PD pin.
Similarly, when that frequency is lower, a low level is
output. The PD pin goes to the high-impedance state
when the frequencies match.
The n-channel MOS transistor used for the PLL active
low-pass filter.
Continued on next page.
相關(guān)PDF資料
PDF描述
LC72136N PLL Frequency Synthesizer for Electronic Tuning(用于電子調(diào)諧的鎖相環(huán)頻率合成器)
LC72136 PLL Frequency Synthesizer for Electronic Tuning(用于電子調(diào)諧的鎖相環(huán)頻率合成器)
LC72137 PLL Frequency Synthesizer for Electronic Tuning(用于電子調(diào)諧的鎖相環(huán)頻率合成器)
LC72140 PLL Frequency Synthesizer(鎖相環(huán)頻率合成器)
LC72144M PLL Frequency Synthesizer(鎖相環(huán)頻率合成器)
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LC72136 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:PLL Frequency Synthesizer for Electronic Tuning
LC72136M 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:PLL Frequency Synthesizer for Electronic Tuning