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SM8720AV 数据表(PDF) 1 Page - Nippon Precision Circuits Inc |
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SM8720AV 数据表(HTML) 1 Page - Nippon Precision Circuits Inc |
1 / 6 page SM8720AV NIPPON PRECISION CIRCUITS INC.—1 3-PLL Multi-Output Clock Generator OVERVIEW The SM8720AV is a clock generator IC with 3 built-in PLLs. It can simultaneously output a 27MHz master clock and three other clocks with different frequency (CLK1OUT, CLK2OUT, CLK3OUT) derived from the master clock. The 3 generated clocks can be independently turned ON/OFF using control pins and the fre- quency of CLK3OUT can be switched, allowing unneeded clocks within a system to be switched OFF thereby reducing current consumption. The master clock, supplied by high-stability crystal oscillator external input, allows clocks to be generated with high precision and low jitter and which require no frequency adjustment, making the SM8720AV ideal for digital still cameras and other applications which require multiple high-preci- sion clocks. FEATURES I 2.7 to 3.3V supply voltage I 21mA typ. current consumption (VDD = 3.0V, all outputs with no load) I 27MHz master clock (external input) (internal PLL reference clock) I Generated clocks • 27MHz master clock (REFOUT) • 22.5792MHz (CLK1OUT) (ON/OFF switching using control pin) • 48.0000MHz (CLK2OUT) (ON/OFF switching using control pin) • 36/45/48.6MHz (CLK3OUT) (ON/OFF switching using control pin, fre- quency switching) I Output load • 25pF (REFOUT) • 15pF (all outputs excluding REFOUT) I Low jitter output • 140ps typ. peak-to-peak (REFOUT) • 220ps typ. peak-to-peak (CLK1OUT, CLK3OUT) • 220ps typ. peak-to-peak (CLK2OUT) I 16-pin VSOP package (Pb free) APPLICATIONS I Digital still cameras ORDERING INFORMATION PINOUT (Top view) PACKAGE DIMENSIONS (Unit: mm) Weight: 0.07g Device Package SM8720AV 16-pin VSOP VDD1 1 FIN 2 VSS1 3 CLK3OUT 4 16 15 14 13 REFOUT VSS3 SEL2 CLK2_ON CLK3_ON 5 SEL1 6 CLK1_ON 7 VDD2 8 12 VDD3 11 CLK2OUT 10 VSS2 9 CLK1OUT 5.1 0.2 0.5 0.2 0.275typ 0.65 0.10 0.12 M 0.15 + 0.1 - 0.05 0.22 + 0.1 - 0.05 0 to 10 |
类似零件编号 - SM8720AV |
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类似说明 - SM8720AV |
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