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DAC8812ICPWRG4 Scheda tecnica(PDF) 5 Page - Texas Instruments |
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DAC8812ICPWRG4 Scheda tecnica(HTML) 5 Page - Texas Instruments |
5 / 29 page 5 DAC8812 www.ti.com SBAS349D – AUGUST 2005 – REVISED JANUARY 2016 Product Folder Links: DAC8812 Submit Documentation Feedback Copyright © 2005–2016, Texas Instruments Incorporated (1) All static performance tests (except IOUT) are performed in a closed-loop system using an external precision OPA277 I-to-V converter amplifier. The DAC8812 RFB pin is tied to the amplifier output. Typical values represent average readings measured at 25°C. (2) These parameters are not subject to production testing. 7.5 Electrical Characteristics VDD = 2.7 V to 5.5 V, IOUTX = Virtual GND, AGNDX = 0 V, VREFA, B = 10 V, TA = full operating temperature range, unless otherwise noted. PARAMETER CONDITIONS MIN TYP MAX UNIT STATIC PERFORMANCE(1) Resolution 16 Bits INL Relative accuracy DAC8812B ±2 LSB DAC8812C ±1 DNL Differential nonlinearity ±1 LSB IOUTx Output leakage current Data = 0000h, TA = 25°C 10 nA Data = 0000h, TA = TA max 20 GFSE Full-scale gain error Data = FFFFh ±0.75 ±4 mV TCVFS Full-scale temperature coefficient(2) 1 ppm/°C RFBX Feedback resistor VDD = 5 V 5 k Ω REFERENCE INPUT(2) VREFx VREFx range –15 15 V RREFx Input resistance 4 5 6 k Ω Input resistance match 1% CREFx Input capacitance 5 pF ANALOG OUTPUT(2) IOUTx Output current Data = FFFFh 1.6 2.5 mA COUTx Output capacitance Code-dependent 50 pF LOGIC INPUTS(2) VIL Input low voltage VDD = 2.7 V 0.6 V VDD = 5 V 0.8 VIH Input high voltage VDD = 2.7 V 2.1 V VDD = 5 V 2.4 IIL Input leakage current 1 μA CIL Input capacitance 10 pF |
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