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DAC8801IDGKTG4 Folha de dados(PDF) 4 Page - Texas Instruments |
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DAC8801IDGKTG4 Folha de dados(HTML) 4 Page - Texas Instruments |
4 / 22 page www.ti.com PIN ASSIGNMENTS 1 8 CLK CS DRB PACKAGE (TOP VIEW) VDD 4 CLK DGK PACKAGE (TOP VIEW) SDI RFB VREF VDD IOUT GND RFB SDI VREF CS IOUT GND 3 2 1 5 6 7 8 7 6 5 2 3 4 DAC8801 SLAS403B – NOVEMBER 2004 – REVISED FEBRUARY 2007 ELECTRICAL CHARACTERISTICS (continued) V DD = 2.7 V to 5.5 V; IOUT = Virtual GND, GND = 0 V; VREF = 10 V; TA = Full Operating Temperature; all specifications -40°C to 85 °C unless otherwise noted. DAC8801 PARAMETER CONDITIONS UNITS MIN TYP MAX Total harmonic distortion VREF = 5 VPP, Data = 3FFFh, f = 1 kHz –105 dB Output spot noise voltage f = 1 kHz, BW = 1 Hz 12 nV/ √Hz TERMINAL FUNCTIONS PIN NAME DESCRIPTION 1 CLK Clock input, positive edge triggered clocks data into shift register 2 SDI Serial register input, data loads directly into the shift register MSB first. Extra leading bits are ignored. 3 RFB Internal matching feedback resistor. Connect to external op amp output. 4 VREF DAC reference input pin. Establishes DAC full-scale voltage. Constant input resistance versus code. 5 IOUT DAC current output. Connects to inverting terminal of external precision I to V op amp. 6 GND Analog and digital ground 7 VDD Posiitve power supply input. Specified range of operation 2.7 V to 5.5 V. Chip select, active low digital input. Transfers shift register data to DAC register on rising edge. See Table 1 for 8 CS operation. 4 Submit Documentation Feedback |
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