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AD9765AST 数据表(PDF) 5 Page - Analog Devices |
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AD9765AST 数据表(HTML) 5 Page - Analog Devices |
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5 / 44 page  Data Sheet AD9763/AD9765/AD9767 Rev. G | Page 5 of 44 SPECIFICATIONS DC SPECIFICATIONS TMIN to TMAX, AVDD = 3.3 V or 5 V, DVDD1 = DVDD2 = 3.3 V or 5 V, IOUTFS = 20 mA, unless otherwise noted. Table 1. AD9763 AD9765 AD9767 Parameter Min Typ Max Min Typ Max Min Typ Max Unit RESOLUTION 10 12 14 Bits DC ACCURACY1 Integral Linearity Error (INL) −1 ±0.1 +1 LSB TA = 25°C −1.5 ±0.4 +1.5 −3.5 ±1.5 +3.5 LSB TMIN to TMAX −2.0 +2.0 −4.0 +4.0 LSB Differential Nonlinearity (DNL) LSB TA = 25°C −0.5 ±0.07 +0.5 −0.75 ±0.3 +0.75 −2.5 ±1.0 +2.5 LSB TMIN to TMAX −1.0 +1.0 −3.0 +3.0 LSB ANALOG OUTPUT Offset Error −0.02 +0.02 −0.02 +0.02 −0.02 +0.02 % of FSR Gain Error Without Internal Reference −2 ±0.25 +2 −2 ±0.25 +2 −2 ±0.25 +2 % of FSR Gain Error with Internal Reference −5 ±1 +5 −5 ±1 +5 −5 ±1 +5 % of FSR Gain Match −1.6 ±0.1 +1.6 −1.6 ±0.1 +1.6 −1.6 ±0.1 +1.6 % of FSR −0.14 +0.14 −0.14 +0.14 −0.14 +0.14 dB Full-Scale Output Current2 2.0 20.0 2.0 20.0 2.0 20.0 mA Output Compliance Range −1.0 +1.25 −1.0 +1.25 −1.0 +1.25 V Output Resistance 100 100 100 kΩ Output Capacitance 5 5 5 pF REFERENCE OUTPUT Reference Voltage 1.14 1.20 1.26 1.14 1.20 1.26 1.14 1.20 1.26 V Reference Output Current3 100 100 100 nA REFERENCE INPUT Input Compliance Range 0.1 1.25 0.1 1.25 0.1 1.25 V Reference Input Resistance 1 1 1 MΩ Small-Signal Bandwidth 0.5 0.5 0.5 MHz TEMPERATURE COEFFICIENTS Offset Drift 0 0 0 ppm of FSR/°C Gain Drift Without Internal Reference ±50 ±50 ±50 ppm of FSR/°C Gain Drift with Internal Reference ±100 ±100 ±100 ppm of FSR/°C Reference Voltage Drift ±50 ±50 ±50 ppm/°C POWER SUPPLY Supply Voltages AVDD 3 5 5.5 3 5 5.5 3 5 5.5 V DVDD1, DVDD2 2.7 5 5.5 2.7 5 5.5 2.7 5 5.5 V Analog Supply Current (IAVDD) 71 75 71 75 71 75 mA Digital Supply Current (IDVDD)4 5 7 5 7 5 7 mA Digital Supply Current (IDVDD)5 15 15 15 mA Supply Current Sleep Mode (IAVDD) 8 12.0 8 12.0 8 12.0 mA Power Dissipation4 (5 V, IOUTFS = 20 mA) 380 410 380 410 380 410 mW Power Dissipation5 (5 V, IOUTFS = 20 mA) 420 450 420 450 420 450 mW Power Dissipation6 (5 V, IOUTFS = 20 mA) 450 450 450 mW Power Supply Rejection Ratio7—AVDD –0.4 +0.4 –0.4 +0.4 –0.4 +0.4 % of FSR/V Power Supply Rejection Ratio7—DVDD –0.025 +0.025 –0.025 +0.025 –0.025 +0.025 % of FSR/V OPERATING RANGE –40 +85 –40 +85 –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 fCLK = 25 MSPS and fOUT = 1.0 MHz. 5 Measured at fCLK = 100 MSPS and fOUT = 1 MHz. 6 Measured as unbuffered voltage output with IOUTFS = 20 mA and RLOAD = 50 Ω at IOUTA and IOUTB, fCLK = 100 MSPS, and fOUT = 40 MHz. 7 ±10% power supply variation. |
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