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AD9260AS Datasheet(PDF) 2 Page - Analog Devices |
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AD9260AS Datasheet(HTML) 2 Page - Analog Devices |
2 / 36 page –2– REV. B AD9260–SPECIFICATIONS CLOCK INPUT FREQUENCY RANGE Parameter—Decimation Factor (N) AD9260 (8) AD9260 (4) AD9260 (2) AD9260 (1) Units CLOCK INPUT (Modulator Sample Rate, fCLOCK) 1111 kHz min 20 20 20 20 MHz max OUTPUT WORD RATE (FS = fCLOCK/N) 0.125 0.250 0.500 1 kHz min 2.5 5 10 20 MHz max Specifications subject to change without notice DC SPECIFICATIONS Parameter—Decimation Factor (N) AD9260 (8) AD9260 (4) AD9260 (2) AD9260 (1) Units RESOLUTION 16 16 16 12 Bits min INPUT REFERRED NOISE (TYP) 1.0 V Reference 1.40 2.4 6.0 1.3 LSB rms typ 2.5 V Reference 1 0.68 (90.6) 1.2 (86) 3.7 (76) 1.0 (63.2) LSB rms typ (dB typ) ACCURACY Integral Nonlinearity (INL) ±0.75 ±0.75 ±0.75 ±0.3 LSB typ Differential Nonlinearity (DNL) ±0.50 ±0.50 ±0.50 ±0.25 LSB typ No Missing Codes 16 16 16 12 Bits Guaranteed Offset Error 0.9 (0.5) (0.5) (0.5) (0.5) % FSR max (typ @ +25 °C) Gain Error 2 2.75 (0.66) (0.66) (0.66) (0.66) % FSR max (typ @ +25 °C) Gain Error 3 1.35 (0.7) (0.7) (0.7) (0.7) % FSR max (typ @ +25 °C) TEMPERATURE DRIFT Offset Error 2.5 2.5 2.5 2.5 ppm/ °C typ Gain Error 2 22 22 22 22 ppm/ °C typ Gain Error 3 7.0 7.0 7.0 7.0 ppm/ °C typ POWER SUPPLY REJECTION AVDD, DVDD, DRVDD (+5 V ± 0.25 V) 0.06 0.06 0.06 0.06 % FSR max ANALOG INPUT Input Span VREF = 1.0 V 1.6 1.6 1.6 1.6 V p-p Diff. max VREF = 2.5 V 4.0 4.0 4.0 4.0 V p-p Diff. max Input (VINA or VINB) Range +0.5 +0.5 +0.5 +0.5 V min +AVDD – 0.5 +AVDD – 0.5 +AVDD – 0.5 +AVDD – 0.5 V max Input Capacitance 10.2 10.2 10.2 10.2 pF typ INTERNAL VOLTAGE REFERENCE Output Voltage (1 V Mode) 1111 V typ Output Voltage Error (1 V Mode) ±14 ±14 ±14 ±14 mV max Output Voltage (2.5 V Mode) 2.5 2.5 2.5 2.5 V typ Output Voltage Error (2.5 V Mode) ±35 ±35 ±35 ±35 mV max Load Regulation 4 1 V REF 0.5 0.5 0.5 0.5 mV max 2.5 V REF 2.0 2.0 2.0 2.0 mV max REFERENCE INPUT RESISTANCE 8888 k Ω (AVDD = +5 V, DVDD = +3 V, DRVDD = +3 V, fCLOCK = 20 MSPS, VREF = +2.5 V, Input CML = 2.0 V TMIN to TMAX unless otherwise noted, RBIAS = 2 k ) |
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