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Datasheet LTC2158-14 (Analog Devices) - 3

ПроизводительAnalog Devices
ОписаниеDual 14-Bit 310Msps ADC
Страниц / Страница28 / 3 — CONVERTER. CHARACTERISTICS The. denotes the specifications which apply …
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Язык документаанглийский

CONVERTER. CHARACTERISTICS The. denotes the specifications which apply over the full operating

CONVERTER CHARACTERISTICS The denotes the specifications which apply over the full operating

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LTC2158-14
CONVERTER CHARACTERISTICS The
l
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. (Note 5) PARAMETER CONDITIONS MIN TYP MAX UNITS
Resolution (No Missing Codes) l 14 Bits Integral Linearity Error Differential Analog Input (Note 6) l –7.5 ±1.2 7.5 LSB Differential Linearity Error Differential Analog Input l –1 ±0.35 1 LSB Offset Error (Note 7) l –15 ±5 15 mV Gain Error Internal Reference ±1.5 %FS External Reference l –4.5 ±1 3 %FS Offset Drift ±20 µV/°C Full-Scale Drift Internal Reference ±30 ppm/°C External Reference ±10 ppm/°C Transition Noise 2.11 LSBRMS
ANALOG INPUT The
l
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. (Note 5) SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
V + – IN Analog Input Range (AIN – AIN ) 1.74V < VDD < 1.9V l 1.32 VP-P V + – IN(CM) Analog Input Common Mode (AIN + AIN )/2 Differential Analog Input (Note 8) l VCM – 20mV VCM VCM + 20mV V VSENSE External Voltage Reference Applied to SENSE External Reference Mode l 1.230 1.250 1.270 V I + – IN1 Analog Input Leakage Current 0 < AIN , AIN < VDD, No Encode l –1 1 µA IIN2 PAR/SER Input Leakage Current 0 < PAR/SER < VDD l –1 1 µA IIN3 SENSE Input Leakage Current 1.23V < SENSE < 1.27V l –1 1 µA tAP Sample-and-Hold Acquisition Delay Time 1 ns tJITTER Sample-and-Hold Acquisition Delay Jitter 0.15 psRMS CMRR Analog Input Common Mode Rejection Ratio 75 dB BW-3B Full-Power Bandwidth 1250 MHz
DYNAMIC ACCURACY The
l
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. AIN = –1dBFS. (Note 5) SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
SNR Signal-to-Noise Ratio 15MHz Input 68.8 dBFS 70MHz Input 68.4 dBFS 140MHz Input l 66 67.7 dBFS SFDR Spurious Free Dynamic Range 2nd or 3rd 15MHz Input 88 dBFS Harmonic 70MHz Input 85 dBFS 140MHz Input l 70 79 dBFS Spurious Free Dynamic Range 4th Harmonic 15MHz Input 98 dBFS or Higher 70MHz Input 95 dBFS 140MHz Input l 80 90 dBFS S/(N+D) Signal-to-Noise Plus Distortion Ratio 15MHz Input 68.7 dBFS 70MHz Input 68.4 dBFS 140MHz Input l 65 67.2 dBFS Crosstalk Crosstalk Between Channels Up to 315MHz Input –95 dB 215814fa For more information www.linear.com/LTC2158-14 3 Document Outline Features Description Applications Typical Application Absolute Maximum Ratings Pin Configuration Order Information Converter Characteristics Analog Input Dynamic Accuracy Internal Reference Characteristics Power Requirements Digital Inputs And Outputs Timing Characteristics Typical Performance Characteristics Pin Functions Functional Block Diagram Timing Diagrams Applications Information Typical Applications Package Description Related Parts
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