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ADC78H89CIMT bảng dữ liệu(PDF) 4 Page - Texas Instruments |
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ADC78H89CIMT bảng dữ liệu(HTML) 4 Page - Texas Instruments |
4 / 23 page ADC78H89 SNAS201D – APRIL 2003 – REVISED MARCH 2013 www.ti.com ADC78H89 CONVERTER ELECTRICAL CHARACTERISTICS (1) The following specifications apply for AVDD = DVDD = +2.7V to 5.25V, fSCLK = 8 MHz, fSAMPLE = 500 KSPS unless otherwise noted. Boldface limits apply for TA = TMIN to TMAX: all other limits TA = 25°C. Symbol Parameter Conditions Typical Limits Units (2) STATIC CONVERTER CHARACTERISTICS Resolution with No Missing Codes AVDD = +5.0V, DVDD = +3.3V 12 Bits INL Integral Non-Linearity AVDD = +5.0V, DVDD = +3.3V ±1 LSB (max) DNL Differential Non-Linearity AVDD = +5.0V, DVDD = +3.3V ±1 LSB (max) OE Offset Error AVDD = +5.0V, DVDD = +3.3V ±2 LSB (max) OEM Offset Error Match AVDD = +5.0V, DVDD = +3.3V ±2 LSB (max) GE Gain Error AVDD = +5.0V, DVDD = +3.3V ±3 LSB (max) GEM Gain Error Match AVDD = +5.0V, DVDD = +3.3V ±3 LSB (max) DYNAMIC CONVERTER CHARACTERISTICS AVDD = +5.0V, DVDD = +3.0V, SINAD Signal-to-Noise Plus Distortion Ratio 72.6 dB fIN = 40.2 kHz, −0.02 dBFS AVDD = +5.0V, DVDD = +3.0V, SNR Signal-to-Noise Ratio 72.8 dB fIN = 40.2 kHz, −0.02 dBFS AVDD = +5.0V, DVDD = +3.0V, THD Total Harmonic Distortion -86 dB fIN = 40.2 kHz, −0.02 dBFS AVDD = +5.0V, DVDD = +3.0V, SFDR Spurious-Free Dynamic Range 88 dB fIN = 40.2 kHz, −0.02 dBFS AVDD = +5.0V, DVDD = +3.0V, ENOB Effective Number of Bits 11.8 bits fIN = 40.2 kHz, −0.02 dBFS AVDD = +5.0V, DVDD = +3.0V, Channel-to-Channel Crosstalk -82 dB fIN = 40.2 kHz Intermodulation Distortion, Second Order AVDD = +5.0V, DVDD = +3.0V, -93 dB Terms fa = 40.161 kHz, fb = 41.015 kHz IMD Intermodulation Distortion, Third Order AVDD = +5.0V, DVDD = +3.0V, -90 dB Terms fa = 40.161 kHz, fb = 41.015 kHz AVDD = +5V 11 MHz FPBW -3 dB Full Power Bandwidth AVDD = +3V 8 MHz ANALOG INPUT CHARACTERISTICS 0 to VIN Input Range V AVDD IDCL DC Leakage Current ±1 µA (max) In Track Mode 33 pF CINA Input Capacitance In Hold Mode 3 pF DIGITAL INPUT CHARACTERISTICS DVDD = +4.75Vto +5.25V 2.4 V (min) VIH Input High Voltage DVDD = +2.7V to +3.6V 2.1 V (min) VIL Input Low Voltage DVDD = +2.7V to +5.25V 0.8 V (max) IIN Input Current VIN = 0V or DVDD ±0.01 1 µA (max) CIND Input Capacitance 2 4 pF (max) DIGITAL OUTPUT CHARACTERISTICS ISOURCE = 200 µA, VOH Output High Voltage DVDD −0.5 V (min) DVDD = +2.7V to +5.25V VOL Output Low Voltage ISINK = 200 µA 0.4 V (max) IOZH, IOZL TRI-STATE Leakage Current ±1 µA (max) COUT TRI-STATE Output Capacitance 2 4 pF (max) Output Coding Straight (Natural) Binary (1) Data sheet min/max specification limits are specified by design, test, or statistical analysis. (2) Tested limits are specified to AOQL (Average Outgoing Quality Level). 4 Submit Documentation Feedback Copyright © 2003–2013, Texas Instruments Incorporated Product Folder Links: ADC78H89 |
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