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AD9218 Datasheet(PDF) 2 Page - Analog Devices |
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AD9218 Datasheet(HTML) 2 Page - Analog Devices |
2 / 24 page REV. 0 –2– AD9218–SPECIFICATIONS DC SPECIFICATIONS Test AD9218BST-40/-65 AD9218BST-80/-105 Parameter Temp Level Min Typ Max Min Typ Max Unit RESOLUTION 10 10 Bits ACCURACY No Missing Codes 1 Full VI GNT GNT Offset Error 2 25 °C I –18 2 18 –18 2 18 LSB Gain Error 2 25 °C I –2 3 8 –2 3.5 8 % FS Differential Nonlinearity 25 °CI –1 ±0.3/±0.6 1/1.3 –1 ±0.5/±0.8 1.2/1.7 LSB (DNL) Full VI ±0.8 ±0.6/±0.9 LSB Integral Nonlinearity (INL) 25 °C I –1/–1.6 ±0.3/±1 1/1.6 –1.35/–2.7 ±0.75/±2 1.35/2.7 LSB Full VI ±1 ±1/±2.3 LSB TEMPERATURE DRIFT Offset Error Full V 10 4 ppm/ °C Gain Error2 Full V 80 100 ppm/ °C Reference Full V 40 40 ppm/ °C REFERENCE Internal Reference Voltage 25 °C I 1.18 1.24 1.28 1.18 1.24 1.28 V (REFOUT) Input Resistance (REFIN A, B) Full V 9 11 13 9 11 13 k Ω ANALOG INPUTS Differential Input Voltage Full V 1 or 2 1 V Range (AIN, AIN)3 Common-Mode Voltage Full V VD/3 VD/3 V Input Resistance Full VI 8 10 14 8 10 14 k Ω Input Capacitance 25 °CV 3 3 pF POWER SUPPLY VD Full IV 2.7 3 3.6 2.7 3 3.6 V VDD Full IV 2.7 3 3.6 2.7 3 3.6 V Supply Currents IVD (VD = 3.0 V) 4 Full VI 108/117 113/122 172/183 175/188 mA IVDD (VDD = 3.0 V) 4 25 °C V 7/11 13/17 mA Power Dissipation DC 5 Full VI 325/350 340/365 515/550 525/565 mW IVD Power-Down Current 6 Full VI 20 22 mA Power Supply Rejection Ratio 25 °CI ±1 ±1 mV/V NOTES 1No Missing Codes across industrial temperature range guaranteed for -40 MSPS, -65 MSPS, and -80 MSPS grades. No missing codes at room temperature guaran- teed for -105 grade. 2Gain error and gain temperature coefficients are based on the ADC only (with a fixed 1.25 V external reference) -65 Grade in 2 V p-p range, -40, -85, -105 Grades in 1 V p-p range. 3(AIN – AIN) = ±0.5 V in 1 V range (full scale), (AIN – AIN) = ± 1 V in 2 V range (full scale). 4AC Power Dissipation measured with rated encode and a 10.3 MHz analog input @ 0.5 dBFS, C LOAD = 5 pF. 5DC Power Dissipation measured with rated encode and a dc analog input (Outputs Static, IV DD = 0) 6In power-down state IV DD = ± 10 µA typical (all grades). Specifications subject to change without notice. (VDD = 3.0 V, VD = 3.0 V; external reference, unless otherwise noted.) |
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