MSP430X43X Datasheet, PDF (44/64 Pages) Texas Instruments – Mixed signal microcontroller

MSP430x43x, MSP430x44x
MIXED SIGNAL MICROCONTROLLER
SLAS344B – JANUARY 2002 – REVISED OCTOBER 2002
electrical characteristics over recommended operating free-air temperature (unless otherwise
noted)
12-bit ADC, linearity parameters, V_CC = 2.2 V/3 V
PARAMETER
TEST CONDITIONS
E(I) Integral linearity error
ED Differential linearity error
1.4 V ≤ (VeREF+ – VREF–/VeREF–) min ≤ 1.6 V
1.6 V < (VeREF+ – VREF–/VeREF–) min ≤ [V(AVCC)]
(VeREF+ – VREF–/VeREF–)min ≤ (VeREF+ – VREF–/VeREF–),
C(VREF+) = 10 µF (tantalum) and 100 nF (ceramic)
EO Offset error
(VeREF+ – VREF–/VeREF–)min ≤ (VeREF+ – VREF–/VeREF–),
internal impedance of source Ri < 100 Ω,
C(VREF+) = 10 µF (tantalum) and 100 nF (ceramic)
EG Gain error
(VeREF+ – VREF–/VeREF–)min ≤ (VeREF+ – VREF–/VeREF–),
C(VREF+) = 10 µF (tantalum) and 100 nF (ceramic)
E(T) Total unadjusted error
(VeREF+ – VREF–/VeREF–)min ≤ (VeREF+ – VREF–/VeREF–),
C(VREF+) = 10 µF (tantalum) and 100 nF (ceramic)
MIN NOM
MAX
±2
±1.7
UNIT
LSB
±1 LSB
±2 ±4 LSB
±1.1 ±2 LSB
±2 ±5 LSB
From
Power
+
Supply
–
10 µ F 100 nF
DVCC1/DVCC2
DVSS1/DVSS2
+
–
Apply External Reference (VeREF+)
or Use Internal Reference (VREF+)
10 µ F 100 nF
+
–
10 µ F
Apply
External
+
Reference _–
100 nF
AVCC _MSP430F43x
AVSS MSP430F44x
VREF+ or VeREF+
VREF–/VeREF–
10 µ F 100 nF
Figure 18. Supply Voltage and Reference Voltage Design VREF–/VeREF– External Supply
44
• POST OFFICE BOX 655303 DALLAS, TEXAS 75265