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ADC122S021 Datasheet(PDF) 3 Page - National Semiconductor (TI) |
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ADC122S021 Datasheet(HTML) 3 Page - National Semiconductor (TI) |
3 / 19 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. Analog Supply Voltage V A −0.3V to 6.5V Voltage on Any Pin to GND −0.3V to V A +0.3V Input Current at Any Pin (Note 3) ±10 mA Package Input Current (Note 3) ±20 mA Power Consumption at T A = 25˚C See (Note 4) ESD Susceptibility (Note 5) Human Body Model Machine Model 2500V 250V Junction Temperature +150˚C Storage Temperature −65˚C to +150˚C Operating Ratings (Notes 1, 2) Operating Temperature Range −40˚C ≤ T A ≤ +85˚C V A Supply Voltage +2.7V to +5.25V Digital Input Pins Voltage Range −0.3V to V A Clock Frequency 0.8 MHz to 3.2 MHz Analog Input Voltage 0V to V A Package Thermal Resistance Package θ JA 8-lead MSOP 250˚C / W Soldering process must comply with National Semiconduc- tor’s Reflow Temperature Profile specifications. Refer to www.national.com/packaging. (Note 6) ADC122S021 Converter Electrical Characteristics (Note 9) The following specifications apply for V A = +2.7V to 5.25V, GND = 0V, fSCLK = 0.8 MHz to 3.2 MHz, fSAMPLE = 50 kSPS to 200 kSPS, C L = 35 pF unless otherwise noted. Boldface limits apply for TA =TMIN to TMAX: all other limits TA = 25˚C. Symbol Parameter Conditions Typical Limits (Note 7) Units STATIC CONVERTER CHARACTERISTICS Resolution with No Missing Codes 12 Bits INL Integral Non-Linearity ±0.35 +0.8 LSB (max) −1.1 LSB (min) DNL Differential Non-Linearity +0.4 +1.1 LSB (max) −0.2 −0.8 LSB (min) V OFF Offset Error +0.37 ±1.3 LSB (max) OEM Channel to Channel Offset Error Match ±0.1 ±1.0 LSB (max) FSE Full Scale Error ±0.52 ±1.5 LSB (max) FSEM Channel to Channel Full-Scale Error Match +0.1 ±1.0 LSB (max) DYNAMIC CONVERTER CHARACTERISTICS SINAD Signal-to-Noise Plus Distortion Ratio V A = +2.7 to 5.25V, f IN = 39.9 kHz, −0.02 dBFS 72 69.2 dB (min) SNR Signal-to-Noise Ratio V A = +2.7 to 5.25V, f IN = 39.9 kHz, −0.02 dBFS 72 70.6 dB (min) THD Total Harmonic Distortion V A = +2.7 to 5.25V, f IN = 39.9 kHz, −0.02 dBFS −84 −75 dB (max) SFDR Spurious-Free Dynamic Range V A = +2.7 to 5.25V, f IN = 39.9 kHz, −0.02 dBFS 86 76 dB (min) ENOB Effective Number of Bits V A = +2.7 to 5.25V, 11.7 11.2 Bits (min) Channel-to-Channel Crosstalk V A = +5.25V f IN = 39.9 kHz −86 dB IMD Intermodulation Distortion, Second Order Terms V A = +5.25V, f a = 40.161 kHz, fb = 41.015 kHz −81 dB Intermodulation Distortion, Third Order Terms V A = +5.25V, f a = 40.161 kHz, fb = 41.015 kHz −88 dB FPBW -3 dB Full Power Bandwidth V A = +5V 11 MHz V A = +3V 8 MHz www.national.com 3 |
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