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ADC78H90CIMTX Arkusz danych(PDF) 4 Page - Texas Instruments |
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ADC78H90CIMTX Arkusz danych(HTML) 4 Page - Texas Instruments |
4 / 24 page ADC78H90 SNAS227D – NOVEMBER 2003 – REVISED MARCH 2013 www.ti.com ADC78H90 Converter Electrical Characteristics (1) The following specifications apply for AVDD = DVDD = +2.7V to 5.25V, AGND = DGND = 0V, fSCLK = 8 MHz, fSAMPLE = 500 KSPS, 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 12 Bits INL Integral Non-Linearity AVDD = +5.0V, DVDD = +3.0V ±1 LSB (max) DNL Differential Non-Linearity AVDD = +5.0V, DVDD = +3.0V ±1 LSB (max) VOFF Offset Error AVDD = +5.0V, DVDD = +3.0V ±2 LSB (max) OEM Offset Error Match AVDD = +5.0V, DVDD = +3.0V ±2 LSB (max) GE Gain Error AVDD = +5.0V, DVDD = +3.0V ±3 LSB (max) GEM Gain Error Match AVDD = +5.0V, DVDD = +3.0V ±3 LSB (max) DYNAMIC CONVERTER CHARACTERISTICS AVDD = +5.0V, DVDD = +3.0V, SINAD Signal-to-Noise Plus Distortion Ratio 73 70 dB (min) fIN = 40.2 kHz, −0.02 dBFS AVDD = +5.0V, DVDD = +3.0V, SNR Signal-to-Noise Ratio 73 70.8 dB (min) fIN = 40.2 kHz, −0.02 dBFS AVDD = +5.0V, DVDD = +3.0V, THD Total Harmonic Distortion −86 −74 dB (max) fIN = 40.2 kHz, −0.02 dBFS AVDD = +5.0V, DVDD = +3.0V, SFDR Spurious-Free Dynamic Range 88 75.6 dB (min) fIN = 40.2 kHz, −0.02 dBFS ENOB Effective Number of Bits AVDD = +5.0V, DVDD = +3.0V, 11.8 11.3 Bits (min) AVDD = +5.0V, DVDD = +3.0V, Channel-to-Channel Crosstalk -82 dB fIN = 40.2 kHz Intermodulation Distortion, Second AVDD = +5.0V, DVDD = +3.0V, -93 dB Order 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 VIN Input Range 0 to AVDD V IDCL DC Leakage Current ±1 µA (max) Track Mode 33 pF CINA Input Capacitance 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 Digital Input Capacitance 2 4 pF (max) DIGITAL OUTPUT CHARACTERISTICS ISOURCE = 200 µA, DVDD = +2.7V to VOH Output High Voltage DVDD −0.5 V (min) +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 ensured by design, test, or statistical analysis. (2) Tested limits are specified to TI's AOQL (Average Outgoing Quality Level). 4 Submit Documentation Feedback Copyright © 2003–2013, Texas Instruments Incorporated Product Folder Links: ADC78H90 |
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