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DACX1001 Datasheet(PDF) 4 Page - Texas Instruments |
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DACX1001 Datasheet(HTML) 4 Page - Texas Instruments |
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4 / 42 page  4 DAC11001A, DAC91001, DAC81001 SLASEL0 – OCTOBER 2019 www.ti.com Product Folder Links: DAC11001A DAC91001 DAC81001 Submit Documentation Feedback Copyright © 2019, Texas Instruments Incorporated Pin Functions PIN TYPE DESCRIPTION NAME NO. AGND 2, 35, 38, 40, 42, 43, 46, 47 Analog ground Connect to 0 V. AGND-OUT 8 Analog ground Connect to 0 V. Measure DAC output voltage with respect to this node. AGND-TnH 14 Analog ground Connect to 0 V. Integrated deglitcher clock ground.. ALARM 19 Output Alarm output AVDD 39, 41 Power Positive low voltage analog power supply CLR 30 Input DAC registers clear pin, active low DGND 16, 17, 20, 21, 22, 23, 26 Digital ground Connect to 0 V. DVDD 27 Power Digital power supply pin RFB 9 Input Integrated precision resistor feedback node IOVDD 28 Power Interface power supply pin LDAC 18 Input Load DAC pin, active low NC 1, 12, 13, 15, 24, 25, 29, 36, 37, 48 — No connection, leave floating OUT 7 Output Unbuffered voltage output RCM 11 Input Integrated precision resistor common-mode node REFNF 5 Input External negative reference input. Connect to 0 V for unipolar DAC output. REFNS 6 Input External negative reference sense node REFPF 3 Input External positive reference input REFPS 4 Input External positive reference sense node ROFS 10 Input Integrated precision resistor offset node SCLK 31 Input Serial clock input of serial peripheral interface (SPI). Schmitt-trigger logic input. Data are transferred at rates of up to 50 MHz. SDIN 32 Input Serial data input. Schmitt-trigger logic input. Data are clocked into the input shift register on the falling edge of the serial clock input. SDO 34 Output Serial data output. Data are valid on the falling edge of SCLK. SYNC 33 Input SPI bus chip select input (active low). Data bits are not clocked into the serial shift register unless SYNC is low. When SYNC is high, the SDO pin is in high-impedance status. VCC 45 Power Analog positive power supply VSS 44 Power Analog negative power supply |
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