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41594B Datasheet(PDF) 342 Page - Microchip Technology |
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41594B Datasheet(HTML) 342 Page - Microchip Technology |
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342 / 372 page  PIC12LF1840T48A DS41594B-page 342 Preliminary 2011-2012 Microchip Technology Inc. TABLE 31-10: COMPARATOR SPECIFICATIONS TABLE 31-11: DIGITAL-TO-ANALOG CONVERTER (DAC) SPECIFICATIONS FIGURE 31-13: USART SYNCHRONOUS TRANSMISSION (MASTER/SLAVE) TIMING Operating Conditions: 1.8V < VDD < 5.5V, -40°C < TA < +125°C (unless otherwise stated). Param No. Sym. Characteristics Min. Typ. Max. Units Comments CM01 VIOFF Input Offset Voltage(3) —±7.5 ±60 mV CM02 VICM Input Common Mode Voltage 0 — VDD V CM03 CMRR Common Mode Rejection Ratio — 50 — dB CM04A TRESP Response Time Rising Edge — 400 800 ns High-Power mode (NOTE 1) CM04B Response Time Falling Edge — 200 400 ns High-Power mode (NOTE 1) CM04C Response Time Rising Edge — 1200 — ns Low-Power mode (NOTE 1) CM04D Response Time Falling Edge — 550 — ns Low-Power mode (NOTE 1) CM05 TMC2OV Comparator Mode Change to Output Valid* —— 10 s CM06 CHYSTER Comparator Hysteresis — 45 — mV NOTE 2 * These parameters are characterized but not tested. Note 1: Response time measured with one comparator input at VDD/2, while the other input transitions from VSS to VDD. 2: Comparator Hysteresis is available when the CxHYS bit of the CMxCON0 register is enabled. 3: High power only. Operating Conditions: 2.5V < VDD < 5.5V, -40°C < TA < +85°C (unless otherwise stated). Param No. Sym. Characteristics Min. Typ. Max. Units Comments DAC01* CLSB Step Size — VDD/32 — V DAC02* CACC Absolute Accuracy — — 1/2 LSb DAC03* CR Unit Resistor Value (R) — 5K — DAC04* CST Settling Time(1) —— 10 s * These parameters are characterized but not tested. Legend: TBD = To Be Determined Note 1: Settling time measured while DACR<4:0> transitions from ‘0000’ to ‘1111’. Note: Refer to Figure 31-4 for load conditions. US121 US121 US120 US122 CK DT |
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