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ADC124S021 Datasheet(PDF) 4 Page - Texas Instruments |
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ADC124S021 Datasheet(HTML) 4 Page - Texas Instruments |
4 / 27 page ADC084S021 SNAS279E – APRIL 2005 – REVISED MARCH 2013 www.ti.com ADC084S021 Converter Electrical Characteristics (1) The following specifications apply for VA = +2.7V to 5.25V, GND = 0V, fSCLK = 0.8 MHz to 3.2 MHz, fSAMPLE = 50 ksps to 200 ksps, CL = 50 pF, unless otherwise noted. Boldface limits apply for TA = TMIN to TMAX: all other limits TA = 25°C. Symbol Parameter Conditions Typical Limits (2) Units STATIC CONVERTER CHARACTERISTICS Resolution with No Missing Codes 8 Bits INL Integral Non-Linearity ±0.04 ±0.2 LSB (max) DNL Differential Non-Linearity ±0.04 ±0.2 LSB (max) VOFF Offset Error +0.52 ±0.7 LSB (max) OEM Channel to Channel Offset Error Match ±0.01 ±0.3 LSB (max) FSE Full-Scale Error +0.51 ±0.7 LSB (max) Channel to Channel Full-Scale Error FSEM +0.01 ±0.3 LSB (max) Match DYNAMIC CONVERTER CHARACTERISTICS VA = +2.7 to 5.25V SINAD Signal-to-Noise Plus Distortion Ratio 49.6 49.1 dB (min) fIN = 39.9 kHz, −0.02 dBFS VA = +2.7 to 5.25V SNR Signal-to-Noise Ratio 49.6 49.2 dB (min) fIN = 39.9 kHz, −0.02 dBFS VA = +2.7 to 5.25V THD Total Harmonic Distortion −76 −62 dB (max) fIN = 39.9 kHz, −0.02 dBFS VA = +2.7 to 5.25V SFDR Spurious-Free Dynamic Range 68 63 dB (min) fIN = 39.9 kHz, −0.02 dBFS VA = +2.7 to 5.25V ENOB Effective Number of Bits 7.9 7.9 Bits (min) fIN = 39.9 kHz, −0.02 dBFS VA = +5.25V Channel-to-Channel Crosstalk −73 dB fIN = 39.9 kHz Intermodulation Distortion, Second VA = +5.25V −78 dB Order Terms fa = 40.161 kHz, fb = 41.015 kHz IMD Intermodulation Distortion, Third Order VA = +5.25V −73 dB Terms fa = 40.161 kHz, fb = 41.015 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 33 pF CINA Input Capacitance Hold Mode 3 pF DIGITAL INPUT CHARACTERISTICS VA = +5.25V 2.4 V (min) VIH Input High Voltage VA = +3.6V 2.1 V (min) VIL Input Low Voltage 0.8 V (max) IIN Input Current VIN = 0V or VA ±10 µA (max) CIND Digital Input Capacitance 2 4 pF (max) DIGITAL OUTPUT CHARACTERISTICS ISOURCE = 200 µA VA − 0.03 VA − 0.5 V (min) VOH Output High Voltage ISOURCE = 1 mA VA − 0.1 V ISINK = 200 µA 0.03 0.4 V (max) VOL Output Low Voltage ISINK = 1 mA 0.1 V IOZH, IOZL TRI-STATE® Leakage Current ±1 µA (max) COUT TRI-STATE® Output Capacitance 2 4 pF (max) Output Coding Straight (Natural) Binary (1) Min/max specification limits are specified by design, test, or statistical analysis. (2) Tested limits are specified to TI's AOQL (Average Outgoing Quality Level). 4 Submit Documentation Feedback Copyright © 2005–2013, Texas Instruments Incorporated Product Folder Links: ADC084S021 |
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