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ADC14C065CISQ Arkusz danych(PDF) 10 Page - National Semiconductor (TI) |
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ADC14C065CISQ Arkusz danych(HTML) 10 Page - National Semiconductor (TI) |
10 / 17 page ADC14C095 Converter Electrical Characteristics This product is currently under development. As such, the parameters specified are DESIGN TARGETS. The specifica- tions cannot be guaranteed until device characterization has taken place. Unless otherwise specified, the following specifications apply: AGND = DRGND = 0V, V A = +3.3V, VDR = +2.5V, Internal VREF = +1.2V, f CLK = 95 MHz, VCM =VCMO,CL = 5 pF/pin. Typical values are for TA = 25˚C. Boldface limits apply for TMIN ≤ T A ≤ T MAX. All other limits apply for TA = 25˚C (Notes 8, 9) Symbol Parameter Conditions Typical (Note 10) Limits Units (Limits) STATIC CONVERTER CHARACTERISTICS Resolution with No Missing Codes 14 Bits (min) INL Integral Non Linearity (Note 11) ±1.5 LSB (max) LSB (min) DNL Differential Non Linearity ±0.5 LSB (max) LSB (min) Under Range Output Code 0 0 Over Range Output Code 16383 16383 REFERENCE AND ANALOG INPUT CHARACTERISTICS V CMO Common Mode Output Voltage 1.5 1.45 1.55 V (min) V (max) V CM Analog Input Common Mode Voltage 1.5 1.4 1.6 V (min) V (max) C IN V IN Input Capacitance (each pin to GND) (Note 12) V IN = 1.5 Vdc ± 0.5 V (CLK LOW) 8.5 pF (CLK HIGH) 3.5 pF V REF External Reference Voltage 1.20 1.176 1.224 V (min) V (max) ADC14C095 Dynamic Converter Electrical Characteristics Unless otherwise specified, the following specifications apply: AGND = DRGND = 0V, V A = +3.3V, VDR = +2.5V, Internal VREF = +1.2V, f CLK = 95 MHz, VCM =VCMO,CL = 5 pF/pin, . Typical values are for TA = 25˚C. Boldface limits apply for TMIN ≤ T A ≤ T MAX. All other limits apply for TA = 25˚C (Note 8) (Note 9) Symbol Parameter Conditions Typical (Note 10) Limits Units (Limits) DYNAMIC CONVERTER CHARACTERISTICS, A IN = -1dBFS FPBW Full Power Bandwidth -1 dBFS Input, −3 dB Corner 1.0 GHz SNR Signal-to-Noise Ratio f IN = 10 MHz 73.7 dBFS f IN = 70 MHz 72 dBFS f IN = 240 MHz 72 dBFS SFDR Spurious Free Dynamic Range f IN = 10 MHz 90 dBFS f IN = 70 MHz 88 dBFS f IN = 240 MHz 83 dBFS ENOB Effective Number of Bits f IN = 10 MHz 11.9 Bits f IN = 70 MHz 11.6 Bits f IN = 240 MHz 11.6 Bits THD Total Harmonic Disortion f IN = 10 MHz −88 dBFS f IN = 70 MHz −85 dBFS f IN = 240 MHz −80 dBFS H2 Second Harmonic Distortion f IN = 10 MHz -95 dBFS f IN = 70 MHz −90 dBFS f IN = 240 MHz −85 dBFS H3 Third Harmonic Distortion f IN = 10 MHz −90 dBFS f IN = 70 MHz −88 dBFS f IN = 240 MHz −83 dBFS www.national.com 10 |
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