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DAC7612UG4 数据表(PDF) 5 Page - Texas Instruments |
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DAC7612UG4 数据表(HTML) 5 Page - Texas Instruments |
5 / 16 page 5 ® DAC7612 TIMING DIAGRAMS LOGIC TRUTH TABLE TIMING SPECIFICATIONS TA = –40°C to +85°C and VDD = +5V. SYMBOL DESCRIPTION MIN TYP MAX UNITS tCH Clock Width HIGH 30 ns tCL Clock Width LOW 30 ns tLDW Load Pulse Width 20 ns tDS Data Setup 15 ns tDH Data Hold 15 ns tLD1 Load Setup 15 ns tLD2 Load Hold 10 ns tCSS Select 30 ns tCSH Deselect 20 ns NOTE: All input control signals are specified with tR = tF = 5ns (10% to 90% of +5V) and timed from a voltage level of 2.5V. These parameters are guaranteed by design and are not subject to production testing. SDI CLK t CL t CH t DH t DS SERIAL SHIFT DAC DAC A1 A0 CLK CS LOADDACS REGISTER REGISTER A REGISTER B X X X H H No Change No Change No Change XX ↑ L H Shifts One Bit No Change No Change LX X H(1) L No Change Loads Serial Loads Serial Data Word Data Word H L X H L No Change Loads Serial No Change Data Word H H X H L No Change No Change Loads Serial Data Word ↑ Positive Logic Transition; X = Don’t Care. NOTE: (1) A HIGH value is suggested in order to avoid to “false clock” from advancing the shift register and changing the DAC voltage. B0 B1 B2 B3 B4 B5 B6 B7 B8 B9 B10 B11 B12 B13 A1 A0 D11 D10 D9 D8 D7 D6 D5 D4 D3 D2 D1 D0 DATA INPUT TABLE A1 (MSB) (LSB) SDI CLK CS LOADDACS A0 D11 D10 D9 D8 D7 D6 D5 D4 D3 D2 D1 D0 t CSS t LD1 t LD2 t CSH LOADDACS FS ZS V OUT t LDW t S ±1 LSB Error Band |
类似零件编号 - DAC7612UG4 |
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类似说明 - DAC7612UG4 |
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