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SPT7820 Datasheet(PDF) 2 Page - Cadeka Microcircuits LLC. |
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SPT7820 Datasheet(HTML) 2 Page - Cadeka Microcircuits LLC. |
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2 / 11 page  2 3/11/97 SPT7820 ELECTRICAL SPECIFICATIONS TA=Tmin - Tmax, VCC=+5.0 V, VEE=-5.2 V, DVCC=+5.0 V, VIN=±2.0 V, VSB=-2.0 V, VST=+2.0 V, fCLK=20 MHz, 50% clock duty cycle, unless otherwise specified. TEST TEST SPT7820A SPT7820B PARAMETERS CONDITIONS LEVEL MIN TYP MAX MIN TYP MAX UNITS Resolution 10 10 Bits DC Accuracy (+25 °C) ±Full Scale Integral Nonlinearity 100 kHz Sample Rate V ±1.0 ±1.5 LSB Differential Nonlinearity V ±0.5 ±0.75 LSB No Missing Codes VI Guaranteed Guaranteed Analog Input fCLK=1 MHz Input Voltage Range V ±2.0 ±2.0 V Input Bias Current VIN=0 V VI 30 60 30 60 µA Input Bias Current TA=-55 to +125 °CIV 75 75 µA Input Resistance VI 100 300 100 300 k Ω Input Resistance TA=-55 to +125 °C IV 75 300 75 300 k Ω Input Capacitance V 5 5 pF Input Bandwidth 3 dB Small Signal V 120 120 MHz +FS Error V ±2.0 ±2.0 LSB -FS Error V ±2.0 ±2.0 LSB Reference Input fCLK=1 MHz Reference Ladder Resistance VI 500 800 500 800 Ω Reference Ladder Tempco V 0.8 0.8 Ω/°C Timing Characteristics Maximum Conversion Rate VI 20 20 MHz Overvoltage Recovery Time V 20 20 ns Pipeline Delay (Latency) IV 1 1 Clock Cycle Output Delay TA=+25 °C V 14 18 14 18 ns Aperture Delay Time TA=+25 °CV 1 1 ns Aperture Jitter Time TA=+25 °C V 5 5 ps-RMS Acquisition Time TA=+25 °C V 20 20 ns Dynamic Performance Effective Number of Bits fIN=1 MHz 9.2 8.7 Bits fIN=3.58 MHz 8.8 8.3 Bits fIN=10.0 MHz 7.5 7.0 Bits ABSOLUTE MAXIMUM RATINGS (Beyond which damage may occur)1 25 °C Note: 1. Operation at any Absolute Maximum Rating is not implied. See Electrical Specifications for proper nominal applied conditions in typical applications. Supply Voltages VCC ...........................................................................+6 V VEE ........................................................................... -6 V Input Voltages Analog Input ............................................... VFB≤VIN≤VFT VFT, VFB .............................................................. +3.0 V, -3.0 V Reference Ladder Current ..................................... 12 mA CLK Input .................................................................. VCC Output Digital Outputs ......................................... +30 to -30 mA Temperature Operating Temperature ............................ -55 to +125 °C Junction Temperature1 .............................................. +175 °C Lead Temperature, (soldering 10 seconds) ........ +300 °C Storage Temperature ................................ -65 to +150 °C Typical thermal impedances (unsoldered, in free air): 28L sidebrazed DIP: θja = 50 °C/W, 28L plastic DIP: θja = 50 °C/W, 28L SOIC: θja = 100 °C/W. |
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