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AD668K Datasheet(PDF) 2 Page - Analog Devices |
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AD668K Datasheet(HTML) 2 Page - Analog Devices |
2 / 16 page AD668–SPECIFICATIONS (@ T A = +25 C, VCC = +15 V, VEE = –15 V, unless otherwise noted) –2– REV. A AD668J/A AD668K AD668S Parameter Min Typ Max Min Typ Max Min Typ Max Units RESOLUTION 12 12 12 Bits LSB WEIGHT (At Nominal FSR) Current 2.5 * * µA Voltage (Current into RL) 250 * * µV ACCURACY 1 Linearity –1/2 +1/2 –1/4 +1/4 * * LSB TMIN to TMAX –3/4 +3/4 –1/2 +1/2 * * LSB Differential Nonlinearity –1 +1 –1/2 +1/2 * * LSB TMIN to TMAX –1 +1 –1/2 +1/2 * * LSB Monotonicity GUARANTEED OVER RATED SPECIFICATION TEMPERATURE RANGE Unipolar Offset (Digital) –0.2 +0.2 * * * * % of FSR Bipolar Offset –1.0 +1.0 –0.6 +0.6 * * % of FSR Bipolar Zero –0.5 +0.5 –0.2 +0.2 * * % of FSR Analog Offset –1.0 +1.0 –0.7 +0.7 * * % of VNOM/ °C Gain Error –1.0 +1.0 * * * * % of FSR TEMPERATURE COEFFICIENTS 2 Unipolar Offset –8 +8 –5 +5 * * ppm of FSR/ °C Bipolar Offset –25 +25 –15 +15 * * ppm of FSR/ °C Bipolar Zero –20 +20 –15 +15 * * ppm of FSR/ °C Analog Offset –20 +20 –10 +10 –20 +20 ppm of VNOM/ °C Gain Drift –30 +30 –15 +15 –40 +40 ppm of FSR/ °C Gain Drift (IOUT) ±150 ±150 ±150 ppm of FSR/ °C REFERENCE INPUT Input Resistance 5.0 V Range 5 * * k Ω 1.25 V Range 5 * * k Ω 1.0 V Range 1 * * M Ω Reference Range (TMIN to TMAX) 10 100 120 * * * * * * % of VNOM DATA INPUTS Logic Levels (TMIN to TMAX) VIH 2.0 7.0 * * * * V VLL 0.0 0.8 ** * * V Logic Currents (TMIN to TMAX) IIH –10 +10 ** * * µA IIL 0 60 100 ** * 0 100 200 – µA VTH Pin Voltage 1.4 V CODING BINARY, OFFSET BINARY CURRENT OUTPUT RANGES 0 to 10.24, ± 5.12 mA VOLTAGE OUTPUT RANGES 0 to 1.024, ± 0.512 V OUTPUT COMPLIANCE –2 +1.2 * * * * V OUTPUT RESISTANCE Exclusive of RL 160 200 240 * * * * * * Ω Inclusive of RL 99 100 101 * * * * * * Ω REFERENCE AMPLIFIER Input Bias Current 1.5 * * µA Slew Rate 3 * * % of FS/ns Large Signal Bandwidth 10 * * MHz Small Signal Bandwidth 15 * * MHz Undervoltage Recovery Time VREF/VNOM to 0% 35 * * ns |
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