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STLC5432 数据表(PDF) 5 Page - STMicroelectronics |
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STLC5432 数据表(HTML) 5 Page - STMicroelectronics |
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5 / 46 page  ABSOLUTE MAXIMUM RATINGS Symbol Parameter Value Unit VCC to GND Supply Voltage to Ground 7 V VI Voltage at any digital or analog input VCC+1 to GND-1 V ILO1,IOL2 Current at LO1 and LO2 ±100 mA IC Current at any digital or analog input ±30 mA Tstg Storage temperature range -65 to +150 °C TL Lead Temperature (soldering, 10s) +300 °C THERMAL DATA Symbol Parameter Value Unit Rthj-amb Thermal Resistance Junction to ambient Max. 50 °C/W ELECTRICAL CHARACTERISTICS (VCC =5V ±5%, Tamb = 0 to 70°C; Typical characteristics are speci- fied at VCC = 5V, Tamb =25 °C; all signal are referenced to GND, unless otherwise specified.) Symbol Parameter Test Condition Min. Typ. Max. Unit DIGITAL INTERFACE Vil Input Low Voltage All digital inputs 0.8 V Vih Input High Voltage All digital inputs 2.2 V Vilx Input Low Voltage XTAL1 input 0.5 V Vihx Input High Voltage XTAL1 input VCC-0.5 V Vol Output Low Voltage IL = 7mA for pins AL0, AL1, INT, DOUT, HCR, LCR. All other digital outputs: IL = 1mA 0.4 0.4 V V Voh Output High Voltage IL = 7mA for pins AL0, AL1, INT, DOUT, HCR, LCR. All other digital outputs: IL = 1mA 2.4 2.4 V V Iil Input Low Current Any digital input, Gnd < Vin < Vil 10 µA Iih Input High Current Any digital input, Gnd < Vin < VCC 10 µA Ioz Output Current in High Impedance (tri-state) All digital tri-state I/Os without internal pull-up or pull-down resistor. 10 µA LINE INTERFACE FEATURES Zin Differential Input Resistance DC measurement between LI1 and LI2 with the equalizer not connected 200 K Ω Vin Rx sensitivity Relative to LI1/LI2 pins with fixed detection threshold 0.6 Vpk Vpk75 Transmit amplitude 75 Ω at transformer secondary 2.14 2.37 2.60 Vpk Vpk120 Transmit Amplitude 120 Ω at transformer secondary 2.7 3 3.30 Vpk Sym Pulses Symetry 75 Ω or 120Ω at transformer secondary 5% Zero Zero level % nominal amplitude 10 % Pwdth Tx pulses width at 50% of peak amplitude 219 244 269 ns Zout Differential Output Resistance 1 Ω MASTERCLOCK MCLK MCLK Frequency 32.764 MHz MCLK Frequency tolerance –50 50 ppm JITTER PERFORMANCES (for jitter transfer function and admissible jitter please report to the corresponding characteristics plotted in following page). Intrinsic jitter Filter 20Hz - 100KHz 0.125 UI Intrinsic jitter Filter 700Hz - 100KHz 0.12 UI STLC5432 5/46 |
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