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LC72131KMA View Datasheet(PDF) - SANYO -> Panasonic

Part Name
Description
View to exact match
LC72131KMA
SANYO
SANYO -> Panasonic SANYO
LC72131KMA Datasheet PDF : 22 Pages
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LC72131K, LC72131KMA
Continued from preceding page.
Symbol
Pin No.
LC72131K LC72131KMA
PD
18
16
Type
Charge pump
output
AIN
19
AOUT
20
17
LPF amplifier
18
transistors
Functions
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.
Circuit configuration
IFIN
12
11
IF counter
Accepts an input in the frequency range 0.4 to 12MHz.
The input signal is directly transmitted to the IF counter.
The result is output starting the MSB of the IF counter using the
DO pin.
Four measurement periods are supported: 4, 8, 32, and 64ms.
DI Control Data (Serial Data Input) Structure
[1] IN1 mode
address
DI
00010100
First Data IN1
[2] IN2 mode
address
DI
10010100
First Data IN2
No.A0788-8/22
 

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