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ADC108S022CIMTX Folha de dados(PDF) 4 Page - Texas Instruments |
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ADC108S022CIMTX Folha de dados(HTML) 4 Page - Texas Instruments |
4 / 25 page ADC108S022 SNAS338F – SEPTEMBER 2005 – REVISED MARCH 2013 www.ti.com ADC108S022 Converter Electrical Characteristics (1) The following specifications apply for VA = VD = +2.7V to +5.25V, AGND = DGND = 0V, fSCLK = 0.8 MHz to 3.2 MHz, fSAMPLE = 50 ksps to 200 ksps, and CL = 50pF, unless otherwise noted. Boldface limits apply for TA = TMIN to TMAX: all other limits TA = 25°C. Limits Symbol Parameter Conditions Typical Units (2) STATIC CONVERTER CHARACTERISTICS Resolution with No Missing Codes 10 Bits Integral Non-Linearity (End Point INL ±0.1 ±0.3 LSB (max) Method) DNL Differential Non-Linearity ±0.1 ±0.3 LSB (max) VOFF Offset Error +0.3 ±0.7 LSB (max) OEM Offset Error Match ±0.05 ±0.2 LSB (max) FSE Full Scale Error +0.1 ±0.4 LSB (max) FSEM Full Scale Error Match ±0.05 ±0.2 LSB (max) DYNAMIC CONVERTER CHARACTERISTICS FPBW Full Power Bandwidth ( −3dB) 8 MHz SINAD Signal-to-Noise Plus Distortion Ratio fIN = 40.2 kHz, −0.02 dBFS 61.8 61.3 dB (min) SNR Signal-to-Noise Ratio fIN = 40.2 kHz, −0.02 dBFS 61.9 61.4 dB (min) THD Total Harmonic Distortion fIN = 40.2 kHz, −0.02 dBFS −86.5 −73.4 dB (max) SFDR Spurious-Free Dynamic Range fIN = 40.2 kHz, −0.02 dBFS 83.2 76.6 dB (min) ENOB Effective Number of Bits fIN = 40.2 kHz 9.98 9.89 Bits (min) ISO Channel-to-Channel Isolation fIN = 20 kHz 79.8 dB Intermodulation Distortion, Second fa = 19.5 kHz, fb = 20.5 kHz −86.0 dB Order Terms IMD Intermodulation Distortion, Third Order fa = 19.5 kHz, fb = 20.5 kHz −82.5 dB Terms 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 = VD = +2.7V to +3.6V 2.1 V (min) VIH Input High Voltage VA = VD = +4.75V to +5.25V 2.4 V (min) VIL Input Low Voltage 0.8 V (max) IIN Input Current VIN = 0V or VD ±0.01 ±1 µA (max) CIND Digital Input Capacitance 2 4 pF (max) DIGITAL OUTPUT CHARACTERISTICS VOH Output High Voltage ISOURCE = 200 µA, VD − 0.5 V (min) VOL Output Low Voltage ISINK = 200 µA to 1.0 mA, 0.4 V (max) IOZH, IOZL Hi-Impedance Output Leakage Current ±1 µA (max) COUT Hi-Impedance Output Capacitance (1) 2 4 pF (max) Output Coding Straight (Natural) Binary POWER SUPPLY CHARACTERISTICS (CL = 10 pF) 2.7 V (min) VA, VD Analog and Digital Supply Voltages VA ≥ VD 5.25 V (max) (1) Data sheet min/max specification limits are ensured by design, test, or statistical analysis. (2) Tested limits are specified to AOQL (Average Outgoing Quality Level). 4 Submit Documentation Feedback Copyright © 2005–2013, Texas Instruments Incorporated Product Folder Links: ADC108S022 |
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