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LTC1098L 数据表(PDF) 17 Page - Linear Technology |
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LTC1098L 数据表(HTML) 17 Page - Linear Technology |
17 / 32 page LTC1096/LTC1096L LTC1098/LTC1098L 17 10968fc Input Data Word The LTC1096(L) requires no DIN word. It is permanently configured to have a single differential input. The conver- sion result, in which output on the DOUT line is MSB-first sequence, followed by LSB sequence providing easy interface to MSB- or LSB-first serial ports. The LTC1098(L) clocks data into the DIN input on the ris- ing edge of the clock. The input data words are defined as follows: Start Bit The first “logical one” clocked into the DIN input after CS goes low is the start bit. The start bit initiates the data transfer. The LTC1098(L) will ignore all leading zeros which precede this logical one. After the start bit is received, the remaining bits of the input word will be clocked in. Further inputs on the DIN pin are then ignored until the next CS cycle. APPLICATIONS INFORMATION CLK CS tCYC POWER DOWN tsuCS tWAKEUP DIN SGL/ DIFF MSBF B0* B1 B2 B3 B4 B5 B6 B7 NULL BIT Hi-Z DOUT tCONV tSMPL HI-Z START ODD/ SIGN DON'T CARE MSB-FIRST DATA (MSBF = 0) MSB-FIRST DATA (MSBF = 1) 10968 F02 CLK CS tCYC POWER DOWN tsuCS tWAKEUP DIN SGL/ DIFF MSBF B0 B1 B2 B3 B4 B5 B6 B7 NULL BIT Hi-Z DOUT tCONV tSMPL HI-Z START ODD/ SIGN DON'T CARE B7* B6 B5 B4 B3 B2 B1 *AFTER COMPLETING THE DATA TRANSFER, IF FURTHER CLOCKS ARE APPLIED WITH CS LOW, THE ADC WILL OUTPUT ZEROS INDEFINITELY. (MSB) (MSB) Figure 2. LTC1098(L) Operating Sequence Example: Differential Inputs (CH+, CH–) SGL/ DIFF ODD/ SIGN MSBF START MUX ADDRESS MSB-FIRST/ LSB-FIRST 10968 AI02 |
类似零件编号 - LTC1098L_15 |
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类似说明 - LTC1098L_15 |
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