SD16_A, Power Supply and Recommended Operating Conditions (MSP430F20x3)
over recommended ranges of supply voltage and operating free-air temperature (unless otherwise noted)
PARAMETER TEST CONDITIONS TA VCC MIN TYP MAX UNIT
AV Analog supply voltage AVCC = DVCC = VCC, CC range AV 2.5 3.6 V SS = DVSS = VSS = 0 V
-40°C to 85°C 730 1050
GAIN: 1,2
105°C 1170
SD16LP = 0, -40°C to 85°C 810 1150
fSD16 = 1 MHz, GAIN: 4,8,16
SD16OSR = 256 105°C 1300
Analog supply current -40°C to 85°C 1160 1700
ISD16 including internal GAIN: 32 3 V μA
reference 105°C 1850
-40°C to 85°C 720 1030
SD16LP = 1, GAIN: 1 105°C 1160
fSD16 = 0.5 MHz,
SD16OSR = 256 -40°C to 85°C 810 1150 GAIN: 32
105°C 1300
SD16LP = 0 0.03 1 1.1 SD16 input clock (Low power mode disabled) fSD16 frequency 3 V MHz SD16LP = 1 0.03 0.5 (Low power mode enabled)
SD16_A, Input Range (MSP430F20x3)
over recommended ranges of supply voltage and operating free-air temperature (unless otherwise noted)
PARAMETER TEST CONDITIONS VCC MIN TYP MAX UNIT
Bipolar mode, SD16UNI = 0 -(VREF/2)/ +(VREF/2)/ Differential full scale input voltage GAIN GAIN VID,FSR range(1) mV Unipolar mode, SD16UNI = 1 0 +(VREF/2)/ GAIN
SD16GAINx = 1 ±500
SD16GAINx = 2 ±250
Differential input voltage range for SD16GAINx = 4 ±125 VID specified performance(1) SD16REFON = 1 mV SD16GAINx = 8 ±62
SD16GAINx = 16 ±31
SD16GAINx = 32 ±15
Input impedance SD16GAINx = 1 200 ZI (one input pin to AV fSD16 = 1 MHz 3 V kΩ SS) SD16GAINx = 32 75
Differential input impedance SD16GAINx = 1 300 400 ZID (IN+ to IN-) fSD16 = 1 MHz 3 V kΩ SD16GAINx = 32 100 150
VI Absolute input voltage range AVSS - 0.1 AVCC V
V Common-mode input voltage IC range AVSS - 0.1 AVCC V
(1) The analog input range depends on the reference voltage applied to VREF. If VREF is sourced externally, the full-scale range is defined
by VFSR+ = +(VREF/2)/GAIN and VFSR-= -(VREF/2)/GAIN. The analog input range should not exceed 80% of VFSR+ or VFSR-.
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