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AD9742 Datasheet(PDF) 3 Page - Analog Devices |
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AD9742 Datasheet(HTML) 3 Page - Analog Devices |
3 / 32 page Data Sheet AD9742 Rev. C | Page 3 of 32 SPECIFICATIONS DC SPECIFICATIONS TMIN to TMAX, AVDD = 3.3 V, DVDD = 3.3 V, CLKVDD = 3.3 V, IOUTFS = 20 mA, unless otherwise noted. Table 1. Parameter Min Typ Max Unit RESOLUTION 12 Bits DC ACCURACY1 Integral Linearity Error (INL) −2.5 ±0.5 +2.5 LSB Differential Nonlinearity (DNL) −1.3 ±0.4 +1.3 LSB ANALOG OUTPUT Offset Error −0.02 +0.02 % of FSR Gain Error (Without Internal Reference) −0.5 ±0.1 +0.5 % of FSR Gain Error (With Internal Reference) −0.5 ±0.1 +0.5 % of FSR Full-Scale Output Current2 2 20 mA Output Compliance Range −1 +1.25 V Output Resistance 100 kΩ Output Capacitance 5 pF REFERENCE OUTPUT Reference Voltage 1.14 1.20 1.26 V Reference Output Current3 100 nA REFERENCE INPUT Input Compliance Range 0.1 1.25 V Reference Input Resistance (Ext. Reference) 1 MΩ Small Signal Bandwidth 0.5 MHz TEMPERATURE COEFFICIENTS Offset Drift 0 ppm of FSR/°C Gain Drift (Without Internal Reference) ±50 ppm of FSR/°C Gain Drift (With Internal Reference) ±100 ppm of FSR/°C Reference Voltage Drift ±50 ppm/°C POWER SUPPLY Supply Voltages AVDD 2.7 3.3 3.6 V DVDD 2.7 3.3 3.6 V CLKVDD 2.7 3.3 3.6 V Analog Supply Current (IAVDD) 33 36 mA Digital Supply Current (IDVDD)4 8 9 mA Clock Supply Current (ICLKVDD) 5 6 mA Supply Current Sleep Mode (IAVDD) 5 6 mA Power Dissipation4 135 145 mW Power Dissipation5 145 mW Power Supply Rejection Ratio—AVDD6 −1 +1 % of FSR/V Power Supply Rejection Ratio—DVDD6 −0.04 +0.04 % of FSR/V OPERATING RANGE −40 +85 °C 1 Measured at IOUTA, driving a virtual ground. 2 Nominal full-scale current, IOUTFS, is 32 times the IREF current. 3 An external buffer amplifier with input bias current <100 nA should be used to drive any external load. 4 Measured at fCLOCK = 25 MSPS and fOUT = 1 MHz. 5 Measured as unbuffered voltage output with IOUTFS = 20 mA and 50 Ω RLOAD at IOUTA and IOUTB, fCLOCK = 100 MSPS and fOUT = 40 MHz. 6 ±5% power supply variation. |
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