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LM98640CVAL Scheda tecnica(PDF) 5 Page - Texas Instruments |
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LM98640CVAL Scheda tecnica(HTML) 5 Page - Texas Instruments |
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5 / 55 page ![]() 5 LM98640QML-SP www.ti.com SNAS461G – MAY 2010 – REVISED NOVEMBER 2018 Product Folder Links: LM98640QML-SP Submit Documentation Feedback Copyright © 2010–2018, Texas Instruments Incorporated (1) (I = Input), (O = Output), (IO = Bi-directional), (P = Power), (D = Digital), (A = Analog), (PU = Pull Up with an internal resistor), (PD = Pull Down with an internal resistor.). Pin Functions PIN NAME I/O(1) TYP RES DESCRIPTION 1 VCOM1 O A Common mode of ADC reference. Bypass with 0.1-µF capacitor to VSS33. 2 VDD33 P Analog power supply. Decouple with minimum 0.1-µF capacitor to VSS33 plane. 3 VDD33 P Analog power supply. Decouple with minimum 0.1-µF capacitor to VSS33 plane. 4 VSS33 P Analog supply return. 5 VSS33 P Analog supply return. 6 OS1- I A Analog input signal. 7 OS1+ I A Sample/Hold Mode Reference Level. Bypassed with a 0.1-µF to ground in CDS mode. 8 VSS33 P Analog supply return. 9 VCLP O A Programmable Clamp Voltage output. Normally bypassed with a 0.1-µF capacitor to VSS33. 10 VSS33 P Analog supply return. 11 OS2+ I A Sample/Hold Mode Reference Level. Bypassed with a 0.1-µF to ground in CDS mode. 12 OS2- I A Analog input signal. 13 VSS33 P Analog supply return. 14 VSS33 P Analog supply return. 15 VDD33 P Analog power supply. Decouple with minimum 0.1-µF capacitor to VSS33 plane. 16 VDD33 P Analog power supply. Decouple with minimum 0.1-µF capacitor to VSS33 plane. 17 VCOM2 O A Common mode of ADC reference. Bypass with 0.1-µF capacitor to ground. 18 VREFB2 O A Bottom of ADC reference. Bypass with a 0.1-µF capacitor to ground. 19 VREFT2 O A Top of ADC reference. Bypass with a 0.1-µF capacitor to ground. 20 VSS33 P Analog supply return. 21 VSS33 P Analog supply return. 22 VDD33 P Analog power supply. Decouple with minimum 0.1-µF capacitor to VSS33 plane. 23 VDD33 P Analog power supply. Decouple with minimum 0.1-µF capacitor to VSS33 plane. 24 VSS33 P Analog supply return. 25 SDO O D Serial Interface Data Output. (Tri-State when SEN is high) 26 SDI I D Serial Interface Data Input. (Tri-State when SEN is high) 27 SCLK I D PD Serial Interface shift register clock. (Tri-State when SEN is high) 28 SEN I D PU Active-low chip enable for the Serial Interface. 29 NC No Connection. Can be connected to VSS18. 30 CLPIN I D Input clamp signal. 31 VSS18 P Digital supply return. 32 VDD18 P Digital power supply. Decouple with minimum 0.1-µF capacitor to VSS18 plane. 33 DTM1 O D Digital Timing Monitor. If not used, can be connected to VDD18 through a 10-kΩ resistor. 34 DTM0 O D Digital Timing Monitor. If not used, can be connected to VDD18 through a 10-kΩ resistor. 35 VDD18 P Digital power supply. Decouple with minimum 0.1-µF capacitor to VSS18 plane. 36 VSS18 P Digital supply return. 37 TXFRM+ O D LVDS Frame+ 38 TXFRM- O D LVDS Frame- 39 TXOUT3+ O D LVDS Data Out3+ 40 TXOUT3- O D LVDS Data Out3- 41 TXOUT2+ O D LVDS Data Out2+ 42 TXOUT2- O D LVDS Data Out2- 43 TXOUT1+ O D LVDS Data Out1+ 44 TXOUT1- O D LVDS Data Out1- 45 TXOUT0+ O D LVDS Data Out0+ |
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