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MSP430F423AIPM Datasheet(PDF) 29 Page - Texas Instruments |
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MSP430F423AIPM Datasheet(HTML) 29 Page - Texas Instruments |
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29 / 45 page  MSP430F42xA MIXED SIGNAL MICROCONTROLLER SLAS587 -- FEBRUARY 2008 29 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 electrical characteristics over recommended operating free-air temperature (unless otherwise noted) (continued) SD16, analog performance (fSD16 = 1MHz, SD16OSRx = 256, SD16REFON = 1) PARAMETER TEST CONDITIONS VCC MIN TYP MAX UNIT SD16GAINx = 1, Signal Amplitude = 500 mV 3V 83.5 85 SD16GAINx = 2, Signal Amplitude = 250 mV 3V 81.5 84 SINAD Signal-to-noise + SD16GAINx = 4, Signal Amplitude = 125 mV fIN = 50Hz, 3V 76 79.5 dB SINAD Signal to noise + distortion ratio SD16GAINx = 8, Signal Amplitude = 62 mV fIN = 50Hz, 100Hz 3V 73 76.5 dB SD16GAINx = 16, Signal Amplitude = 31 mV 3V 69 73 SD16GAINx = 32, Signal Amplitude = 15 mV 3V 62 69 SD16GAINx = 1 3V 0.97 1.00 1.02 SD16GAINx = 2 3V 1.90 1.96 2.02 G SD16GAINx = 4 3V 3.76 3.86 3.96 G Nominal gain SD16GAINx = 8 3V 7.36 7.62 7.84 SD16GAINx = 16 3V 14.56 15.04 15.52 SD16GAINx = 32 3V 27.20 28.35 29.76 E Offset error SD16GAINx = 1 3V ±0.2 %FSR EOS Offset error SD16GAINx = 32 3V ±1.5 %FSR dE /dT Offset error temperature SD16GAINx = 1 3V ±4 ±20 ppm dEOS/dT temperature coefficient SD16GAINx = 32 3V ±20 ±100 ppm FSR/_C CMRR Common-mode SD16GAINx = 1, Common-mode input signal: VID = 500 mV, fIN = 50 Hz, 100 Hz 3V >90 dB CMRR Common mode rejection ratio SD16GAINx = 32, Common-mode input signal: VID =16mV, fIN = 50 Hz, 100 Hz 3V >75 dB AC PSRR AC power-supply rejection ratio SD16GAINx = 1, VCC =3V ± 100 mV, fVCC =50Hz 3V >80 dB XT Crosstalk 3V <--100 dB SD16, built-in temperature sensor PARAMETER TEST CONDITIONS VCC MIN TYP MAX UNIT TCSensor Sensor temperature coefficient 1.18 1.32 1.46 mV/K VOffset,sensor Sensor offset voltage --100 100 mV S t t Temperature sensor voltage at TA =85°C 3V 435 475 515 VSensor Sensor output voltage (see Note 2) Temperature sensor voltage at TA =25°C 3V 355 395 435 mV VSensor voltage (see Note 2) Temperature sensor voltage at TA =0°C 3V 320 360 400 mV NOTES: 1. The following formula can be used to calculate the temperature sensor output voltage: VSensor,typ =TCSensor ( 273 + T [°C] ) + VOffset,sensor [mV] 2. Results based on characterization and/or production test, not TCSensor or VOffset,sensor. |
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