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SPT7855SIT Datasheet(PDF) 2 Page - Cadeka Microcircuits LLC. |
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SPT7855SIT Datasheet(HTML) 2 Page - Cadeka Microcircuits LLC. |
2 / 11 page 2 5/25/01 SPT7855 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. ELECTRICAL SPECIFICATIONS TA=TMIN to TMAX, AVDD=DVDD=+5.0 V, VIN=0 to 4 V, ƒCLK=25 MSPS, VRHS=4.0 V, VRLS=0.0 V, unless otherwise specified. TEST TEST SPT7855 PARAMETERS CONDITIONS LEVEL MIN TYP MAX UNITS Resolution 10 Bits DC Accuracy Integral Linearity Error (ILE) VI ±1.0 LSB Differential Linearity Error (DLE) VI ±0.5 LSB No Missing Codes VI Guaranteed Analog Input Input Voltage Range VI VRLS VRHS V Input Resistance IV 50 k Ω Input Capacitance V 5.0 pF Input Bandwidth (Small Signal) V 100 MHz Offset V ±2.0 LSB Gain Error V ±2.0 LSB Reference Input Resistance VI 300 500 600 Ω Bandwidth V 100 150 MHz Voltage Range VRLS IV 0 – 2.0 V VRHS IV 3.0 – AVDD V VRHS – VRLS V 1.0 4.0 5.0 V ∆(VRHF – VRHS)V 90 mV ∆(VRLS – VRLF)V 75 mV Reference Settling Time VRHS V 15 Clock Cycles VRLS V 20 Clock Cycles Conversion Characteristics Maximum Conversion Rate VI 25 MHz Minimum Conversion Rate IV 2 MHz Pipeline Delay (Latency) IV 12 Clock Cycles Aperture Delay Time V 8 ns Aperture Jitter Time V 15 ps (p-p) Dynamic Performance Effective Number of Bits (ENOB) ƒIN = 3.58 MHz VI 8.5 Bits ƒIN = 10.3 MHz VI 8.3 Bits Signal-to-Noise Ratio (SNR) (without Harmonics) ƒIN = 3.58 MHz VI 54.0 57 dB ƒIN = 10.3 MHz VI 53.0 56 dB Supply Voltages AVDD ...................................................................... +6 V DVDD ..................................................................... +6 V Input Voltages Analog Input .............................. –0.5 V to AVDD +0.5 V VREF .............................................................. 0 to AVDD CLK Input ............................................................... VDD AVDD – DVDD .................................................. ±100 mV AGND – DGND .............................................. ±100 mV Output Digital Outputs ................................................... 10 mA Temperature Operating Temperature ............................ –40 to 85 °C Junction Temperature ........................................ 175 °C Lead Temperature, (soldering 10 seconds) ....... 300 °C Storage Temperature ............................ –65 to +150 °C |
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