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ADC14155 Datasheet(PDF) 7 Page - National Semiconductor (TI) |
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ADC14155 Datasheet(HTML) 7 Page - National Semiconductor (TI) |
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7 / 19 page  Converter Electrical Characteristics (Continued) Unless otherwise specified, the following specifications apply: AGND = DGND = DRGND = 0V, V A =VD = +3.3V, VDR = +1.8V, Internal V REF = +1.0V, fCLK = 155 MHz, VCM =VRM,tr =tf = TBD ns, CL = 5 pF/pin, Differential Clock Mode, Offset Binary For- mat. Typical values are for T A = 25˚C. Boldface limits apply for TMIN ≤ T A ≤ T MAX. All other limits apply for TA = 25˚C (Notes 6, 7, 8) Symbol Parameter Conditions Typical (Note 9) Limits (Note 9) Units (Limits) C IN V IN Input Capacitance (each pin to GND) (Note 11) V IN = 1.5 Vdc ± 0.5 V (CLK LOW) 9 pF (CLK HIGH) 6 pF V REF Reference Voltage (Note 12) 1.00 0.9 V (min) 1.1 V (max) Reference Input Resistance TBD M Ω (min) Dynamic Converter Electrical Characteristics Unless otherwise specified, the following specifications apply: AGND = DGND = DRGND = 0V, V A =VD = +3.3V, VDR = +1.8V, Internal V REF = +1.0V, fCLK = 155 MHz, VCM =VRM,tr =tf = TBD ns, CL = 5 pF/pin, Differential Clock Mode, Offset Binary For- mat. Typical values are for T A = 25˚C. Boldface limits apply for TMIN ≤ T A ≤ T MAX. All other limits apply for TA = 25˚C (Note 6) (Notes 7, 8) Symbol Parameter Conditions Typical (Note 9) Limits (Note 9) Units (Limits) DYNAMIC CONVERTER CHARACTERISTICS, A IN = -1dBFS FPBW Full Power Bandwidth -1 dBFS Input, −3 dB Corner 1.1 GHz SNR Signal-to-Noise Ratio f IN = 10 MHz 72.3 dBFS f IN = 70 MHz 71.4 TBD dBFS f IN = 169 MHz 71.0 dBFS f IN = 238 MHz 70.4 dBFS f IN = 398 MHz TBD dBFS SFDR Spurious Free Dynamic Range f IN = 10 MHz 87.0 dBFS f IN = 70 MHz 85.3 TBD dBFS f IN = 169 MHz 80.0 dBFS f IN = 238 MHz 76.2 dBFS f IN = 398 MHz TBD dBFS ENOB Effective Number of Bits f IN = 10 MHz 11.7 Bits f IN = 70 MHz 11.5 TBD Bits f IN = 169 MHz 11.2 Bits f IN = 238 MHz 11.0 Bits f IN = 398 MHz TBD Bits THD Total Harmonic Disortion f IN = 10 MHz 82.4 dBFS f IN = 70 MHz 80.3 TBD dBFS f IN = 169 MHz 77.1 dBFS f IN = 238 MHz 71.9 dBFS f IN = 398 MHz TBD dBFS H2 Second Harmonic Distortion f IN = 10 MHz 91.2 dBFS f IN = 70 MHz 92.4 dBFS f IN = 169 MHz 80.1 dBFS f IN = 238 MHz 76.3 dBFS f IN = 398 MHz TBD dBFS H3 Third Harmonic Distortion f IN = 10 MHz 87.1 dBFS f IN = 70 MHz 85.2 dBFS f IN = 169 MHz 83.6 dBFS f IN = 238 MHz 83.4 dBFS f IN = 398 MHz TBD dBFS www.national.com 7 |
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