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TMS320F2811 数据表(PDF) 143 Page - Texas Instruments |
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TMS320F2811 数据表(HTML) 143 Page - Texas Instruments |
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143 / 173 page ![]() Electrical Specifications 142 April 2001 − Revised July 2007 SPRS174O Table 6−43. AC Specifications PARAMETER MIN TYP MAX UNIT SINAD Signal-to-noise ratio + distortion 62 dB SNR Signal-to-noise ratio 62 dB THD (100 kHz) Total harmonic distortion −68 dB ENOB (SNR) Effective number of bits 10.1 Bits SFDR Spurious free dynamic range 69 dB 6.31.3 Current Consumption for Different ADC Configurations (at 25-MHz ADCCLK)‡ IDDA (TYP)§ IDDAIO (TYP) IDD1 (TYP) ADC OPERATING MODE/CONDITIONS 40 mA 1 µA 0.5 mA Mode A (Operational Mode): − BG and REF enabled − PWD disabled 7 mA 0 5 µA Mode B: − ADC clock enabled − BG and REF enabled − PWD enabled 1 µA 0 5 µA Mode C: − ADC clock enabled − BG and REF disabled − PWD enabled 1 µA 0 0 Mode D: − ADC clock disabled − BG and REF disabled − PWD enabled ‡ Test Conditions: SYSCLKOUT = 150 MHz ADC module clock = 25 MHz ADC performing a continuous conversion of all 16 channels in Mode A § IDDA − includes current into VDDA1/VDDA2 and AVDDREFBG |
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