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ADC081S021 Fiches technique(PDF) 4 Page - Texas Instruments |
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ADC081S021 Fiches technique(HTML) 4 Page - Texas Instruments |
4 / 24 page ADC121S021 SNAS305I – JULY 2005 – REVISED JANUARY 2014 www.ti.com ADC121S021 Converter Electrical Characteristics (1) (2) The following specifications apply for VA = +2.7V to 5.25V, fSCLK = 1 MHz to 4 MHz, fSAMPLE = 50 ksps to 200 ksps, CL = 15 pF, unless otherwise noted. Boldface limits apply for TA = TMIN to TMAX: all other limits TA = 25°C. Limits Parameter Test Conditions Typical Units (2) STATIC CONVERTER CHARACTERISTICS Resolution with No Missing Codes 12 Bits +0.45 LSB (max) VA = +2.7V to +3.6V ±1.0 −0.40 LSB (min) INL Integral Non-Linearity +0.55 LSB (max) VA = +4.75v to +5.25V −0.40 LSB (min) +0.45 +1.0 LSB (max) VA = +2.7V to +3.6V −0.25 −0.8 LSB (min) DNL Differential Non-Linearity +0.60 LSB (max) VA = +4.75v to +5.25V −0.30 LSB (min) VA = +2.7v to +3.6V −0.18 ±1.2 VOFF Offset Error LSB (max) VA = +4.75v to +5.25V −0.26 VA = +2.7 to +3.6V −0.75 ±1.5 GE Gain Error LSB (max) VA = +4.75v to +5.25V −1.6 DYNAMIC CONVERTER CHARACTERISTICS VA = +2.7 to 5.25V SINAD Signal-to-Noise Plus Distortion Ratio 72 70 dBFS (min) fIN = 100 kHz, −0.02 dBFS VA = +2.7 to 5.25V SNR Signal-to-Noise Ratio 72.3 70.8 dBFS (min) fIN = 100 kHz, −0.02 dBFS VA = +2.7 to 5.25V THD Total Harmonic Distortion −83 dBFS fIN = 100 kHz, −0.02 dBFS VA = +2.7 to 5.25V SFDR Spurious-Free Dynamic Range 85 dB fIN = 100 kHz, −0.02 dBFS VA = +2.7 to 5.25V ENOB Effective Number of Bits 11.7 11.3 Bits (min) fIN = 100 kHz, −0.02 dBFS Intermodulation Distortion, Second VA = +5.25V −83 dBFS Order Terms fa = 103.5 kHz, fb = 113.5 kHz IMD Intermodulation Distortion, Third Order VA = +5.25V −82 dBFS Terms fa = 103.5 kHz, fb = 113.5 kHz VA = +5V 11 MHz FPBW -3 dB Full Power Bandwidth VA = +3V 8 MHz ANALOG INPUT CHARACTERISTICS VIN Input Range 0 to VA V IDCL DC Leakage Current ±1 µA (max) Track Mode 30 pF CINA Input Capacitance Hold Mode 4 pF DIGITAL INPUT CHARACTERISTICS VA = +5.25V 2.4 V (min) VIH Input High Voltage VA = +3.6V 2.1 V (min) VA = +5V 0.8 V (max) VIL Input Low Voltage VA = +3V 0.4 V (max) IIN Input Current VIN = 0V or VA ±0.1 ±1 µA (max) CIND Digital Input Capacitance 2 4 pF (max) (1) Tested limits are specified to TI's AOQL (Average Outgoing Quality Level). (2) Data sheet min/max specification limits are ensured by design, test, or statistical analysis. 4 Submit Documentation Feedback Copyright © 2005–2014, Texas Instruments Incorporated Product Folder Links: ADC121S021 |
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