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DM6580E 数据表(PDF) 45 Page - Davicom Semiconductor, Inc. |
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DM6580E 数据表(HTML) 45 Page - Davicom Semiconductor, Inc. |
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45 / 48 page ![]() DM562P V.90 Integrated Data/ Fax/Voice/Speakerphone Modem Device Single Chip with Memory Built in Final 45 DM6580 AC Characteristics & Timing Waveforms (VDD = 5V, Tc= 0 o C to 85 o C) Serial Port Timing Symbol Parameter Min. Typ. Max. Unit Conditions 1 SCLK Period 49 ns 2 SCLK Low Width 24 ns 3 SCLK High Width 24 ns 4 SCLK Rise Time 5 ns 5 SCLK Fall Time 5 ns 6 FS To SCLK Setup 17 ns 7 FS To SCLK Hold 17 ns 8 DI To SCLK Setup 5 ns 9 DI To SCLK Hold 5 ns 10 SCLK High To DO Valid 8 ns 11 SCLK To DO Hiz 8 ns 1 23 4 5 6 7 89 First Bus First Bus Last Bus Last Bus Hiz 11 10 SCLK FS DI DO DM6580 Performance (VDD= 5V, Tc= 0 o C to 85 o C, FQ= 20.16MHz, Measurement Band = 220Hz to 3.6KHz, RX DPLL Free Running) Symbol Parameter Min. Typ. Max. Unit Conditions Gabs Absolute Gain At 1KHz -0.5 0.5 dB RX signal: VIN= 2.5 VPP, f = 1KHz THD Total Harmonic Distortion -84 dB Tx signal: VOUT (diff)= 5 VPP, f = 1KHz DR Dynamic Range 86 dB f = 1KHz PSRR Power Supply Rejection Ratio 50 dB f = 1KHz, VAC = 200m VPP CTxRx Crosstalk 95 dB Transmit channel to receive channel Version: DM562P-DS-F01 February 02, 2004 |
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