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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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STM32F301C6 датащи(PDF) 113 Page - STMicroelectronics |
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STM32F301C6 датащи(HTML) 113 Page - STMicroelectronics |
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113 / 141 page  DS9895 Rev 8 113/141 STM32F301x6 STM32F301x8 Electrical characteristics 115 PGA gain Non inverting gain value - -2 - - -4 - -8 - -16 - Rnetwork R2/R1 internal resistance values in PGA mode (3) Gain=2 - 5.4/5.4 - k Ω Gain=4 - 16.2/5.4 - Gain=8 - 37.8/5.4 - Gain=16 - 40.5/2.7 - PGA gain error PGA gain error - -1% - 1% % Ibias OPAMP input bias current - - - ±0.2(4) µA PGA BW PGA bandwidth for different non inverting gain PGA Gain = 2, Cload = 50pF, Rload = 4 K Ω -4 - MHz PGA Gain = 4, Cload = 50pF, Rload = 4 K Ω -2 - PGA Gain = 8, Cload = 50pF, Rload = 4 K Ω -1 - PGA Gain = 16, Cload = 50pF, Rload = 4 K Ω -0.5 - Vn Voltage noise density @ 1KHz, Output loaded with 4 K Ω -109 - @ 10KHz, Output loaded with 4 K Ω -43 - 1. Guaranteed by design. 2. The saturation voltage can also be limited by the ILOAD (drive current). 3. R2 is the internal resistance between OPAMP output and OPAMP inverting input. R1 is the internal resistance between OPAMP inverting input and ground. The PGA gain =1+R2/R1 4. Mostly TTa I/O leakage, when used in analog mode. Table 70. Operational amplifier characteristics(1) (continued) Symbol Parameter Condition Min Typ Max Unit nV Hz ----------- |
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