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SPC564A80L7 bảng dữ liệu(PDF) 108 Page - STMicroelectronics |
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SPC564A80L7 bảng dữ liệu(HTML) 108 Page - STMicroelectronics |
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108 / 157 page ![]() Electrical characteristics SPC564A74L7, SPC564A80B4, SPC564A80L7 108/157 Doc ID 15399 Rev 9 GAINVGA2 (1) CC – Variable gain amplifier accuracy (gain=2)(2) CC D INL 8MHz ADC –5 5 Counts CC D 16 MHz ADC –8 8 Counts CC D DNL 8MHz ADC –3 3 Counts CC D 16 MHz ADC –3 3 Counts GAINVGA4 (1) CC – Variable gain amplifier accuracy (gain=4)(2) CC D INL 8MHz ADC –7 7 Counts CC D 16 MHz ADC –8 8 Counts CC D DNL 8MHz ADC –4 4 Counts CC D 16 MHz ADC –4 4 Counts DIFFmax CC C Maximum differential voltage (DANx+ - DANx-) or (DANx- - DANx+)(5) PREGAIN set to 1X setting — (VRH - VRL)/2 V DIFFmax2 CC C PREGAIN set to 2X setting — (VRH - VRL)/4 V DIFFmax4 CC C PREGAIN set to 4X setting — (VRH - VRL)/8 V DIFFcmv CC C Differential input Common mode voltage (DANx- + DANx+)/2(5) — (VRH + VRL)/2 - 5% (VRH + VRL)/2 + 5% V 1. Applies only to differential channels. 2. Variable gain is controlled by setting the PRE_GAIN bits in the ADC_ACR1-8 registers to select a gain factor of 1, 2, or 4. Settings are for differential input only. Tested at 1 gain. Values for other settings are guaranteed by as indicated. 3. At VRH – VRL = 5.12 V, one LSB = 1.25 mV. 4. Guaranteed 10-bit mono tonicity. 5. Voltages between VRL and VRH will not cause damage to the pins. However, they may not be converted accurately if the differential voltage is above the maximum differential voltage. In addition, conversion errors may occur if the common mode voltage of the differential signal violates the Differential Input common mode voltage specification. Table 30. eQADC differential ended conversion specifications (operating) (continued) Symbol C Parameter Value Unit min max |
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