Datenblatt-Suchmaschine für elektronische Bauteile |
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DAC8811IBDRBR Datenblatt(PDF) 4 Page - Texas Instruments |
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DAC8811IBDRBR Datenblatt(HTML) 4 Page - Texas Instruments |
4 / 21 page www.ti.com PIN ASSIGNMENTS DRB PACKAGE (TOP VIEW) DGK PACKAGE (TOP VIEW) CLK SDI RFB VREF CS VDD GND IOUT 1 2 3 4 8 7 6 5 1 2 3 4 8 7 6 5 CLK SDI RFB VREF CS VDD GND IOUT DAC8811 SLAS411B – 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. DAC8811 PARAMETER CONDITIONS UNITS MIN TYP MAX Digital feedthrough CS = 1 and fCLK = 1 MHz 2 nV/s Total harmonic distortion VREF = 5 VPP, Data = FFFFh, f = 1 kHz –105 dB Output spot noise voltage f = 1 kHz, BW = 1 Hz 12 nV/ √Hz Table 1. 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/V op amp. 6 GND Analog and digital ground. 7 VDD Positive power supply input. Specified operating range of 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 2 for 8 CS operation. 4 Submit Documentation Feedback |
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