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ADS9110 Arkusz danych(PDF) 5 Page - Texas Instruments |
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ADS9110 Arkusz danych(HTML) 5 Page - Texas Instruments |
5 / 62 page ADS9110 www.ti.com SBAS629A – OCTOBER 2015 – REVISED OCTOBER 2015 6.5 Electrical Characteristics All specifications are for AVDD = 1.8 V, DVDD = 1.8 V, VREF = 5 V, and fDATA = 2 MSPS, unless otherwise noted. All minimum and maximum specifications are for TA = –40°C to +85°C. All typical values are at TA = 25°C. PARAMETER TEST CONDITIONS MIN TYP MAX UNIT ANALOG INPUT Full-scale input range FSR –VREF VREF V (AINP – AINM)(1) Absolute input voltage VIN –0.1 VREF + 0.1 V (AINP and AINM to REFGND) Common-mode voltage range VCM (VREF / 2) – 0.1 VREF / 2 (VREF / 2) + 0.1 V (AINP + AINM) / 2 In sample mode 60 CIN Input capacitance pF In hold mode 4 IIL Input leakage current ±1 µA VOLTAGE REFERENCE INPUT VREF Reference input voltage range 2.5 5 V Average current, VREF = 5 V, IREF Reference input current 2-kHz, full-scale input, 1.25 mA throughput = 2 MSPS DC ACCURACY Resolution 18 Bits NMC No missing codes 18 Bits In LSBs –1.5 ±0.5(2) 1.5 LSB(3) INL Integral nonlinearity In ppm –5.7 ±2 5.7 ppm DNL Differential nonlinearity –0.75 ±0.4(2) 0.75 LSB(3) E(IO) Input offset error –1 ±0.05(2) 1 mV dVOS/dT Input offset thermal drift 1 μV/°C GE Gain error –0.01 ±0.005(2) 0.01 %FS GE/dT Gain error thermal drift 0.25 ppm/°C Transition noise 0.9 LSB(3) CMRR Common-mode rejection ratio At dc to 20 kHz 80 dB AC ACCURACY(4) fIN = 2 kHz 98 99.9 SINAD Signal-to-noise + distortion fIN = 100 kHz 95.4 dB fIN = 500 kHz 89 fIN = 2 kHz 98.1 100 SNR Signal-to-noise ratio fIN = 100 kHz 95.5 dB fIN = 500 kHz 89.3 fIN = 2 kHz –118 THD Total harmonic distortion(5) fIN = 100 kHz –111 dB fIN = 500 kHz –101 fIN = 2 kHz 123 SFDR Spurious-free dynamic range fIN = 100 kHz 116 dB fIN = 500 kHz 106 (1) Ideal input span, does not include gain or offset errors. (2) See Figure 9, Figure 10, Figure 25, and Figure 26 for statistical distribution data for INL, DNL, offset, and gain error parameters. (3) LSB = least-significant bit. 1 LSB at 18 bits is approximately 3.8 ppm. (4) All specifications expressed in decibels (dB) refer to the full-scale input (FSR) and are tested with an input signal 0.1 dB below full-scale, unless otherwise specified. (5) Calculated on the first nine harmonics of the input frequency. Copyright © 2015, Texas Instruments Incorporated Submit Documentation Feedback 5 Product Folder Links: ADS9110 |
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