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| MSP430F20X3_14 Datasheet, PDF (45/94 Pages) Texas Instruments – MIXED SIGNAL MICROCONTROLLER | |||
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MSP430F20x3
MSP430F20x2
MSP430F20x1
SLAS491I â AUGUST 2005 â REVISED DECEMBER 2012
Typical Characteristics, SD16_A SINAD Performance Over OSR (MSP430F20x3)
SINAD PERFORMANCE
vs
OSR
(fSD16 = 1 MHz, SD16REFON = 1,SD16GAINx = 1)
90.0
85.0
80.0
75.0
70.0
65.0
RSA
60.0
PW, or N
55.0
10.00
100.00
OSR
Figure 23.
1000.00
SD16_A, Performance (fSD16 = 1 MHz, SD16OSRx = 256, SD16REFON = 1) (MSP430F20x3)
over recommended ranges of supply voltage and operating free-air temperature (unless otherwise noted)
PARAMETER
TEST CONDITIONS
SD16GAINx = 1
VCC
MIN TYP MAX UNIT
0.97 1.00 1.02
SD16GAINx = 2
1.90 1.96 2.02
G
Nominal gain
SD16GAINx = 4
SD16GAINx = 8
3.76 3.86 3.96
3V
7.36 7.62 7.84
SD16GAINx = 16
14.56 15.04 15.52
ÎG/ÎT
Gain temperature drift
SD16GAINx = 32
SD16GAINx = 1(1)
27.20 28.35 29.76
3V
15
ppm/°C
EOS
Offset error
SD16GAINx = 1
SD16GAINx = 32
±0.2
3V
%FSR
±1.5
ÎEOS/ÎT
Offset error temperature
coefficient
SD16GAINx = 1
SD16GAINx = 32
3V
±4 ±20 ppm
±20 ±100 FSR/°C
CMRR
Common-mode rejection
ratio
DC PSR DC power supply rejection
AC PSRR
AC power supply rejection
ratio
SD16GAINx = 1,
Common-mode input signal:
VID = 500 mV, fIN = 50 Hz, 100 Hz
SD16GAINx = 32,
Common-mode input signal:
VID = 16 mV, fIN = 50 Hz, 100 Hz
SD16GAINx = 1, VIN = 500 mV,
VCC = 2.5 V to 3.6 V(2)
SD16GAINx = 1,
VCC = 3 V ± 100 mV, fIN = 50 Hz
3V
2.5 V to 3.6 V
3V
>90
dB
>75
0.35
%/V
>80
dB
(1) Calculated using the box method: (MAX(-40°C to 85°C) - MIN(-40°C to 85°C)) / MIN(-40°C to 85°C) / (85°C - (-40°C))
(2) Calculated using the ADC output code and the box method:
(MAX-code(2.5 V to 3.6 V) - MIN-code(2.5 V to 3.6 V)) / MIN-code(2.5 V to 3.6 V) / (3.6 V - 2.5 V)
Copyright © 2005â2012, Texas Instruments Incorporated
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