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AD8114 Folha de dados(PDF) 7 Page - Analog Devices |
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AD8114 Folha de dados(HTML) 7 Page - Analog Devices |
7 / 26 page AD8114/AD8115 –7– REV. 0 PIN FUNCTION DESCRIPTIONS Pin Name Pin Numbers Pin Description INxx 58, 60, 62, 64, 66, 68, 70, 72, Analog Inputs; xx = Channel Numbers 00 Through 15. 4, 6, 8, 10, 12, 14, 16, 18 DATA IN 96 Serial Data Input, TTL Compatible. CLK 97 Clock, TTL Compatible. Falling Edge Triggered. DATA OUT 98 Serial Data Out, TTL Compatible. UPDATE 95 Enable (Transparent) “Low.” Allows serial register to connect directly to switch matrix. Data latched when “High.” RESET 100 Disable Outputs, Active “Low.” CE 99 Chip Enable, Enable “Low.” Must be “low” to clock in and latch data. SER/PAR 94 Selects Serial Data Mode, “Low” or Parallel Data Mode, “High.” Must be connected. OUTyy 53, 51, 49, 47, 45, 43, 41, 39, Analog Outputs yy = Channel Numbers 00 Through 15. 37, 35, 33, 31, 29, 27, 25, 23 AGND 3, 5, 7, 9, 11, 13, 15, 17, 19, 57, Analog Ground for Inputs and Switch Matrix. Must be connected. 59, 61, 63, 65, 67, 69, 71, 73 DVCC 1, 75 +5 V for Digital Circuitry. DGND 2, 74 Ground for Digital Circuitry. AVEE 20, 56 –5 V for Inputs and Switch Matrix. AVCC 21, 55 +5 V for Inputs and Switch Matrix. AVCCxx/yy 54, 50, 46, 42, 38, 34, 30, 26, 22 +5 V for Output Amplifier that is shared by Channel Numbers xx and yy. Must be connected. AVEExx/yy 52, 48, 44, 40, 36, 32, 28, 24 –5 V for Output Amplifier that is shared by Channel Numbers xx and yy. Must be connected. A0 84 Parallel Data Input, TTL Compatible (Output Select LSB). A1 83 Parallel Data Input, TTL Compatible (Output Select). A2 82 Parallel Data Input, TTL Compatible (Output Select). A3 81 Parallel Data Input, TTL Compatible (Output Select MSB). D0 80 Parallel Data Input, TTL Compatible (Input Select LSB). D1 79 Parallel Data Input, TTL Compatible (Input Select). D2 78 Parallel Data Input, TTL Compatible (Input Select). D3 77 Parallel Data Input, TTL Compatible (Input Select MSB). D4 76 Parallel Data Input, TTL Compatible (Output Enable). NC 85–93 No Connect. Figure 5. I/O Schematics ESD ESD INPUT VCC AVEE ESD ESD OUTPUT VCC AVEE ESD ESD RESET VCC 20k DGND ESD ESD INPUT VCC DGND ESD ESD OUTPUT VCC 2k DGND a. Analog Input c. Reset Input b. Analog Output d. Logic Input e. Logic Output |
Nº de peça semelhante - AD8114 |
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Descrição semelhante - AD8114 |
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