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LC72131K Fiches technique(PDF) 8 Page - Sanyo Semicon Device |
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LC72131K Fiches technique(HTML) 8 Page - Sanyo Semicon Device |
8 / 22 page LC72131K, LC72131KMA No.A0788-8/22 Continued from preceding page. Symbol Pin No. Type Functions Circuit configuration LC72131K LC72131KMA PD 18 16 Charge pump output 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. AIN AOUT 19 20 17 18 LPF amplifier transistors The n-channel MOS transistor used for the PLL active low-pass filter. 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 [2] IN2 mode address 0 0 1 0 1 0 0 DI 0 First Data IN1 address 0 0 1 0 1 0 0 DI 1 First Data IN2 |
Numéro de pièce similaire - LC72131K |
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Description similaire - LC72131K |
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