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ADC12762 Datasheet(PDF) 2 Page - National Semiconductor (TI) |
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ADC12762 Datasheet(HTML) 2 Page - National Semiconductor (TI) |
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2 / 20 page  Absolute Maximum Ratings (Notes 1, 2) If Military/Aerospace specified devices are required, please contact the National Semiconductor Sales Office/ Distributors for availability and specifications. Supply Voltage (V CC = DVCC = AVCC) −0.3V to +6V Voltage at Any Input or Output −0.3V to V CC + 0.3V Input Current at Any Pin (Note 3) 25 mA Package Input Current (Note 3) 50 mA Power Dissipation (Note 4) ADC12762CCV 875 mW ESD Susceptibility (Note 5) 2000V Soldering Information (Note 6) V Package, Infrared, 15 seconds +300˚C Storage Temperature Range −65˚C to +150˚C Maximum Junction Temperature (T JMAX) 150˚C Operating Ratings (Notes 1, 2) Temperature Range T MIN ≤ TA ≤ TMAX ADC12762CCV −0˚C ≤ T A ≤ +70˚C Supply Voltage Range (DV CC = AVCC) 4.75V to 5.25V Converter Characteristics The following specifications apply for DV CC = AVCC = +5V, VREF+(SENSE) = +4.096V, VREF−(SENSE) = AGND, and fs = 1.4 MHz, unless otherwise specified. Boldface limits apply for T A = TJ from TMIN to TMAX; all other limits TA = TJ = +25˚C. Symbol Parameter Conditions Typ Limit Units (Note 7) (Note 8) (Limit) Resolution 12 Bits Differential Linearity Error T MIN to TMAX ±0.4 ±0.95 LSB (max) Integral Linearity Error T MIN to TMAX ±0.4 ±2.0 LSB (max) (Note 9) Offset Error T MIN to TMAX ±0.3 ±4.0 LSB (max) Full-Scale Error T MIN to TMAX ±0.3 ±4.0 LSB (max) Power Supply Sensitivity DV CC = AVCC = 5V ±5% ±0.75 LSB (max) (Note 15) R REF Reference Resistance 940 500 Ω (min) 1300 Ω (max) V REF(+) V REF+(SENSE) Input Voltage AV CC V (max) V REF(−) V REF−(SENSE) Input Voltage AGND V (min) V IN Input Voltage Range To V IN1,VIN2, or ADC IN AV CC+0.05V V (max) AGND − 0.05V V (min) ADC IN Input Leakage AGND to AV CC − 0.3V 0.1 3 µA (max) C ADC ADC IN Input Capacitance 25 pF MUX On-Channel Leakage AGND to AV CC − 0.3V 0.1 3 µA (max) MUX Off-Channel Leakage AGND to AV CC − 0.3V 0.1 3 µA (max) C MUX Multiplexer Input Cap 7 pF MUX Off Isolation f IN = 100 kHz 92 dB Dynamic Characteristics (Note 10) The following specifications apply for DV CC = AVCC = +5V, VREF+(SENSE) = +4.096V, VREF−(SENSE) = AGND, RS = 25Ω,fIN = 100 kHz, 0 dB from fullscale, and f s = 1.4 MHz, unless otherwise specified. Boldface limits apply for TA = TJ from TMIN to T MAX; all other limits TA = TJ = +25˚C. Symbol Parameter Conditions Typ Limit Units (Note 7) (Note 8) (Limit) SINAD Signal-to-Noise Plus T MIN to TMAX 70 67.0 dB (min) Distortion Ratio SNR Signal-to-Noise Ratio T MIN to TMAX 70 67.5 dB (min) (Note 11) THD Total Harmonic Distortion T MIN to TMAX −80 −70 dBc (max) (Note 12) ENOB Effective Number of Bits T MIN to tMAX 11.3 10.8 Bits (min) (Note 13) IMD Intermodulation Distortion f IN = 88.7 kHz, 89.5 kHz −80 dBc www.national.com 2 |
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