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AD9835BRU Datasheet(PDF) 3 Page - Analog Devices |
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AD9835BRU Datasheet(HTML) 3 Page - Analog Devices |
3 / 28 page Data Sheet AD9835 Rev. A | Page 3 of 28 SPECIFICATIONS VDD = +5 V ± 5%; AGND = DGND = 0 V; TA = TMIN to TMAX; REFIN = REFOUT; RSET = 3.9 kΩ; RLOAD = 300 Ω for IOUT, unless otherwise noted. Also, see Figure 2. Table 1. Parameter1 Min Typ Max Units Test Conditions/Comments SIGNAL DAC SPECIFICATIONS Resolution 10 Bits Update Rate (fMAX) 50 MSPS IOUT Full Scale 4 mA 4.75 mA Output Compliance 1.35 V DC Accuracy Integral Nonlinearity ±1 LSB Differential Nonlinearity ±0.5 LSB DDS SPECIFICATIONS2 Dynamic Specifications Signal-to-Noise Ratio 50 dB fMCLK = 50 MHz, fOUT = 1 MHz Total Harmonic Distortion −52 dBc fMCLK = 50 MHz, fOUT = 1 MHz Spurious Free Dynamic Range (SFDR)3 fMCLK = 6.25 MHz, fOUT = 2.11 MHz Narrow Band (±50 kHz) −72 dBc Wide Band (±2 MHz) −50 dBc Clock Feedthrough −60 dBc Wake-Up Time 1 ms Power-Down Option Yes VOLTAGE REFERENCE Internal Reference @ +25° C 1.21 V TMIN to TMAX 1.131 1.29 V REFIN Input Impedance 10 MΩ Reference TC 100 ppm/°C REFOUT Output Impedance 300 Ω LOGIC INPUTS VINH, Input High Voltage DVDD − 0.9 V VINL, Input Low Voltage 0.9 V IINH, Input Current 10 μA CIN, Input Capacitance 10 pF POWER SUPPLIES fMCLK = 50 MHz AVDD 4.75 5.25 V min/V max DVDD 4.75 5.25 V min/V max IAA 5 mA max IDD 2.5 + 0.33/MHz mA typ IAA + IDD4 40 mA max Low Power Sleep Mode 0.35 mA max 1 Operating temperature range is as follows: B Version: −40°C to +85°C. 2 100% production tested. 3 fMCLK = 6.25 MHz, Frequency Word = 5671C71C HEX, fOUT = 2.11 MHz. 4 Measured with the digital inputs static and equal to 0 V or DVDD. The AD9835 is tested with a capacitive load of 50 pF. The part can be operated with higher capacitive loads, but the magnitude of the analog output will be attenuated. See Figure 7. |
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