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DAC8830-EP 데이터시트(PDF) 5 Page - Texas Instruments |
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DAC8830-EP 데이터시트(HTML) 5 Page - Texas Instruments |
5 / 32 page www.ti.com ELECTRICAL CHARACTERISTICS DAC8830-EP DAC8831-EP SGLS334C – AUGUST 2006 – REVISED APRIL 2007 All specifications at TA = TMIN to TMAX, VDD = 3 V, or VDD = 5 V, VREF = 2.5 V (unless otherwise noted); specifications subject to change without notice. PARAMETER CONDITIONS MIN TYP MAX UNIT STATIC PERFORMANCE Resolution 16 bits TA = 25°C ±0.5 ±1 TA = –40°C to 105°C (DAC8831 ±0.5 ±1.5 only) Linearity error LSB TA = –55°C to 125°C (DAC8831 ±4 only) TA = –55°C to 125°C (DAC8830 ±0.5 ±1.5 only) Differential linearity error All grades ±0.5 ±1 LSB TA = 25°C ±1 ±5 Gain error LSB TA = –55°C to 125°C ±7 Gain drift ±0.1 ppm/ °C TA = 25°C ±0.25 ±1 TA = –40°C to 105°C (DAC8831 ±2.5 Only) Zero code error LSB TA = –55°C to 125°C (DAC8831 ±3 Only) TA = –55°C to 125°C (DAC8830 ±2 Only) Zero code drift ±0.05 ppm/ °C OUTPUT CHARACTERISTICS Unipolar operation 0 VREF V Voltage output (1) (DAC8831 only) Bipolar operation –VREF VREF V Output Impedance 6.25 k Ω Settling time To 1/2 LSB of FS, CL = 10 pF 1 μs Slew rate(2) CL = 10 pF 25 V/ μs Digital-to-analog glitch 1 LSB change around major carry 8 nV-s Digital feedthrough(3) 0.2 nV-s DAC8830 10 Output noise TA = 25°C nV/ √Hz DAC8831 18 Power supply rejection VDD varies ±10% ±1 LSB RFB / RINV 1 Ω/Ω Bipolar resistor DAC8831 only matching Ratio error ±0.0015% ±0.01% TA = 25°C ±0.25 ±5 Bipolar zero error DAC8831 only LSB TA = –55°C to 125°C ±7 Bipolar zero drift DAC8831 only ±0.2 ppm/ °C (1) TheDAC8830 output is unipolar (0 V to VREF). TheDAC8831 output is bipolar (±VREF) when it connects to an external buffer (see the Bipolar Output Operation section for details). (2) Slew Rate is measure from 10% to 90% of transition when the output changes from 0 to full scale. (3) Digital feedthrough is defined as the impulse injected into the analog output from the digital input. It is measured when the DAC output does not change, CS is held high, while SCLK and DIN signals are toggled. 5 Submit Documentation Feedback |
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