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LM98640CVAL Scheda tecnica(PDF) 6 Page - Texas Instruments |
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LM98640CVAL Scheda tecnica(HTML) 6 Page - Texas Instruments |
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6 / 55 page ![]() 6 LM98640QML-SP SNAS461G – MAY 2010 – REVISED NOVEMBER 2018 www.ti.com Product Folder Links: LM98640QML-SP Submit Documentation Feedback Copyright © 2010–2018, Texas Instruments Incorporated Pin Functions (continued) PIN NAME I/O(1) TYP RES DESCRIPTION 46 TXOUT0- O D LVDS Data Out0- 47 TXCLK+ O D LVDS Clock+ 48 TXCLK- O D LVDS Clock- 49 VSS18 P Digital supply return. 50 VDD18 P Digital power supply. Decouple with minimum 0.1-µF capacitor to VSS18 plane. 51 ATB0 O A Analog Test Bus. If not used, can be connected to VSS18 through a 10-kΩ resistor. 52 ATB1 O A Analog Test Bus. If not used, can be connected to VSS18 through a 10-kΩ resistor. 53 VDD18 P Digital power supply. Decouple with minimum 0.1-µF capacitor to VSS18 plane. 54 VDD18 P Digital power supply. Decouple with minimum 0.1-µF capacitor to VSS18 plane. 55 VSS18 P Digital supply return. 56 VSS18 P Digital supply return. 57 INCLK- I D Clock Input. Inverting input for LVDS clocks. 58 INCLK+ I D Clock Input. Non-Inverting input for LVDS clocks. 59 VSS33 P Analog supply return. 60 VDD33 P Analog power supply. Decouple with minimum 0.1-µF capacitor to VSS33 plane. 61 VDD33 P Analog power supply. Decouple with minimum 0.1-µF capacitor to VSS33 plane. 62 VSS33 P Analog supply return. 63 IBIAS0 I A Connect with external 10-kΩ 1% resistor to IBIAS1 pin. 64 IBIAS1 I A Connect with external 10-kΩ 1% resistor to IBIAS0 pin. 65 VREFBG O A Band gap reference output. Bypass with a 0.1-µF capacitor to VSS33. Can be overdriven with external voltage source. 66 VSS33 P Analog supply return. 67 VREFT1 O A Top of ADC reference. Bypass with a 0.1-µF capacitor to VSS33. 68 VREFB1 O A Bottom of ADC reference. Bypass with a 0.1-µF capacitor to VSS33. Exp Pad P Exposed pad must be soldered to ground plane to ensure rated performance. |
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