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DAC7734 Datasheet(PDF) 5 Page - Texas Instruments |
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DAC7734 Datasheet(HTML) 5 Page - Texas Instruments |
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5 / 31 page  DAC7734 5 SBAS138A www.ti.com Top View SSOP PIN CONFIGURATION NC NC SDI DGND CLK DGND LDAC DGND LOAD DGND CS DGND SDO DGND RSTSEL DGND RST DGND NC NC DGND DGND V DD V DD V OUTA Sense V OUTA AGND V SS V REFL AB Sense V REFL AB V REFH AB V REFH AB Sense V OUTB Sense V OUTB V OUTC Sense V OUTC V REFH CD Sense V REFH CD V REFL CD V REFL CD Sense V OUTD Sense V OUTD V SS V SS AGND AGND V CC V CC 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 DAC7734 PIN NAME DESCRIPTION 1 NC No Connection 2 NC No Connection 3 SDI Serial Data Input 4 DGND Digital Ground 5 CLK Data Clock Input 6 DGND Digital Ground 7 LDAC DAC Register Load Control, Rising Edge Triggered 8 DGND Digital Ground 9 LOAD DAC Input Register Load Control, Active Low 10 DGND Digital Ground 11 CS Chip Select, Active Low 12 DGND Digital Ground 13 SDO Serial Data Output 14 DGND Digital Ground 15 RSTSEL Reset Select. Determines the action of RST. If HIGH, a RST common will set the DAC registers to mid-scale (8000H). If LOW, a RST command will set the DAC registers to zero (0000H). 16 DGND Digital Ground 17 RST Reset, Rising Edge Triggered. Depending on the state of RSTSEL, the DAC registers are set to either mid-scale or zero. 18 DGND Digital Ground 19 NC No Connection 20 NC No Connection 21 DGND Digital Ground 22 DGND Digital Ground 23 VDD Digital +5V Power Supply 24 VDD Digital +5V Power Supply 25 VCC Analog +15V Power Supply 26 VCC Analog +15V Power Supply 27 AGND Analog Ground 28 AGND Analog Ground 29 VSS Analog –15V Power Supply or 0V Single Supply 30 VSS Analog –15V Power Supply or 0V Single Supply 31 VOUTD DAC D Output Voltage 32 VOUTD Sense DAC D’s Output Amplifier Inverting Input. Used to close feedback loop at load. 33 VREFL CD Sense DAC C and D Reference Low Sense Input 34 VREFL CD DAC C and D Reference Low Input 35 VREFH CD DAC C and D Reference High Input 36 VREFH CD Sense DAC C and D Reference High Sense Input 37 VOUTC DAC C Output Voltage 38 VOUTC Sense DAC C’s Output Amplifier Inverting Input. Used to close the feedback loop at the load. 39 VOUTB DAC B Output Voltage 40 VOUTB Sense DAC B’s Output Amplifier Inverting Input. Used to close the feedback loop at the load. 41 VREFH AB Sense DAC A and B Reference High Sense Input 42 VREFH AB DAC A and B Reference High Input 43 VOUTL AB DAC A and B Reference Low Input 44 VREFL AB Sense DAC A and B Reference Low Sense Input 45 VSS Analog –15V Power Supply or 0V Single Supply 46 AGND Analog Ground 47 VOUTA DAC A Output Voltage 48 VOUTA Sense DAC A’s Output Amplifier Inverting Input. Used to close the feedback loop at the load. PIN DESCRIPTIONS |
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