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MSP430F1101AIDW Datasheet(PDF) 20 Page - Texas Instruments |
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MSP430F1101AIDW Datasheet(HTML) 20 Page - Texas Instruments |
20 / 46 page MSP430C11x1, MSP430F11x1A MIXED SIGNAL MICROCONTROLLER SLAS241I − SEPTEMBER 1999 − REVISED DECEMBER 2008 20 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 electrical characteristics over recommended ranges of supply voltage and operating free-air temperature (unless otherwise noted) (continued) Comparator_A (see Note 1) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT I CAON=1 CARSEL=0 CAREF=0 VCC = 2.2 V 25 40 μA I(DD) CAON=1, CARSEL=0, CAREF=0 VCC = 3 V 45 60 μA I CAON=1, CARSEL=0, CAREF 1/2/3 no load at VCC = 2.2 V 30 50 μA I(Refladder/RefDiode) CAREF=1/2/3, no load at P2.3/CA0/TA1 and P2.4/CA1/TA2 VCC = 3 V 45 71 μA V(IC) Common-mode input voltage CAON =1 VCC = 2.2 V/3 V 0 VCC−1 V V(Ref025) Voltage @ 0.25 V CC node V CC PCA0=1, CARSEL=1, CAREF=1, No load at P2.3/CA0/TA1 and P2.4/CA1/TA2 VCC = 2.2 V/3 V 0.23 0.24 0.25 V(Ref050) Voltage @ 0.5V CC node V CC PCA0=1, CARSEL=1, CAREF=2, No load at P2.3/CA0/TA1 and P2.4/CA1/TA2 VCC = 2.2 V/3 V 0.47 0.48 0.5 V (see Figure 6 and Figure 7) PCA0=1, CARSEL=1, CAREF=3, No load at P2 3/CA0/TA1 and VCC = 2.2 V 390 480 540 mV V(RefVT) (see Figure 6 and Figure 7) No load at P2.3/CA0/TA1 and P2.4/CA1/TA2, TA = 85°C VCC = 3 V 400 490 550 mV V(offset) Offset voltage See Note 2 VCC = 2.2 V/3 V −30 30 mV Vhys Input hysteresis CAON=1 VCC = 2.2 V/3 V 0 0.7 1.4 mV TA = 25°C, Overdrive 10 mV, VCC = 2.2 V 160 210 300 ns t TA = 25 C, Overdrive 10 mV, Without filter: CAF=0 VCC = 3 V 90 150 240 ns t(response LH) TA = 25°C, Overdrive 10 mV, VCC = 2.2 V 1.4 1.9 3.4 μs TA = 25 C, Overdrive 10 mV, With filter: CAF=1 VCC = 3 V 0.9 1.5 2.6 μs TA = 25°C, Overdrive 10 mV, VCC = 2.2 V 130 210 300 ns t TA = 25 C, Overdrive 10 mV, Without filter: CAF=0 VCC = 3 V 80 150 240 ns t(response HL) TA = 25°C, Overdrive 10 mV, VCC = 2.2 V 1.4 1.9 3.4 μs TA = 25 C, Overdrive 10 mV, With filter: CAF=1 VCC = 3 V 0.9 1.5 2.6 μs NOTES: 1. The leakage current for the Comparator_A terminals is identical to Ilkg(Px.x) specification. 2. The input offset voltage can be cancelled by using the CAEX bit to invert the Comparator_A inputs on successive measurements. The two successive measurements are then summed together. |
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