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AD9642BCPZRL7-250 Datasheet(PDF) 4 Page - Analog Devices |
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AD9642BCPZRL7-250 Datasheet(HTML) 4 Page - Analog Devices |
4 / 29 page Data Sheet AD9642 SPECIFICATIONS ADC DC SPECIFICATIONS AVDD = 1.8 V, DRVDD = 1.8 V, maximum sample rate, VIN = −1.0 dBFS differential input, 1.75 V p-p full-scale input range, DCS enabled, unless otherwise noted. Table 1. Parameter Temperature AD9642-170 AD9642-210 AD9642-250 Min Typ Max Min Typ Max Min Typ Max Unit RESOLUTION Full 14 14 14 Bits ACCURACY No Missing Codes Full Guaranteed Guaranteed Guaranteed Offset Error Full ±11 ±11 ±10 mV Gain Error Full +2/−11 +3.5/−8 +3/−7 %FSR Differential Nonlinearity (DNL) Full ±0.5 ±0.55 ±0.6 LSB 25°C ±0.3 ±0.3 ±0.32 LSB Integral Nonlinearity (INL)1 Full ±1.3 ±2.0 ±2.5 LSB 25°C ±0.6 ±0.75 ±1.0 LSB TEMPERATURE DRIFT Offset Error Full ±7 ±7 ±7 ppm/°C Gain Error Full ±52 ±105 ±75 ppm/°C INPUT REFERRED NOISE VREF = 1.0 V 25°C 0.83 0.85 0.85 LSB rms ANALOG INPUT Input Span Full 1.75 1.75 1.75 V p-p Input Capacitance2 Full 2.5 2.5 2.5 pF Input Resistance3 Full 20 20 20 kΩ Input Common-Mode Voltage Full 0.9 0.9 0.9 V POWER SUPPLIES Supply Voltage AVDD Full 1.7 1.8 1.9 1.7 1.8 1.9 1.7 1.8 1.9 V DRVDD Full 1.7 1.8 1.9 1.7 1.8 1.9 1.7 1.8 1.9 V Supply Current IAVDD1 Full 123 136 129 139 136 146 mA IDRVDD1 Full 50 64 56 67 64 69 mA POWER CONSUMPTION Sine Wave Input (DRVDD = 1.8 V) Full 311 360 333 371 360 387 mW Standby Power4 Full 50 50 50 mW Power-Down Power Full 5 5 5 mW 1 Measured with a low input frequency, full-scale sine wave. 2 Input capacitance refers to the effective capacitance between one differential input pin and its complement. 3 Input resistance refers to the effective resistance between one differential input pin and its complement. 4 Standby power is measured with a dc input and the CLK pin inactive (that is, set to AVDD or AGND). Rev. B | Page 3 of 28 |
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