MSP430FG47x
MIXED SIGNAL MICROCONTROLLER
SLAS580D -- OCTOBER 2008 -- REVISED MARCH 2011
43
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
electrical characteristics over recommended operating free-air temperature (unless otherwise
noted) (continued)
SD16_A, performance (f
SD16
= 30kHz, SD16REFON = 1, SD16BUFx = 01)
PARAMETER
TEST CONDITIONS
V
CC
MIN
TYP
MAX
UNIT
SD16GAINx = 1,Signal Amplitude = 500mV
SD16OSRx = 256
3 V
84
SINAD
Signal-to-noise +
distortion ratio
SD16GAINx = 1,Signal Amplitude = 500mV
SD16OSRx = 512
f
IN
= 2.8Hz
3 V
84
dB
distortion ratio
SD16GAINx = 1,Signal Amplitude = 500mV
SD16OSRx = 1024
3 V
84
Nominal gain
SD16GAINx = 1, SD16OSRx = 1024
3 V
0.97
1.00
1.02
dG/dT
Gain temperature
drift
SD16GAINx = 1, SD16OSRx = 1024 (see Note 1)
3 V
15
ppm/
_
C
dG/dV
CC
Gain supply voltage
drift
SD16GAINx = 1, SD16OSRx = 1024, V
CC
= 2.5 V to 3.6 V
(see Note 2)
0.35
%/V
NOTES: 1. Calculated using the box method: (MAX(--40...85
_
C) -- MIN(--40...85
_
C))/MIN(--40...85
_
C)/(85C -- (--40
_
C))
2. Calculated using the box method: (MAX(2.5...3.6V) -- MIN(2.5...3.6V))/MIN(2.5...3.6V)/(3.6V -- 2.5 V)
SD16_A, performance (f
SD16
= 1MHz, SD16OSRx = 256, SD16REFON = 1, SD16BUFx = 00)
PARAMETER
TEST CONDITIONS
V
CC
MIN
TYP
MAX
UNIT
SD16GAINx = 1,Signal Amplitude = 500mV
3 V
83.5
85
SD16GAINx = 2,Signal Amplitude = 250mV
3 V
81.5
84
SINAD
Signal-to-noise +
SD16GAINx = 4,Signal Amplitude = 125mV f
IN
= 50Hz,
3 V
76
79.5
dB
SINAD
Signal to noise +
distortion ratio
SD16GAINx = 8,Signal Amplitude = 62mV
f
IN
= 50Hz,
100Hz
3 V
73
76.5
dB
SD16GAINx = 16,Signal Amplitude = 31mV
3 V
69
73
SD16GAINx = 32,Signal Amplitude = 15mV
3 V
62
69
SD16GAINx = 1
3 V
0.97
1.00
1.02
SD16GAINx = 2
3 V
1.90
1.96
2.02
G
SD16GAINx = 4
3 V
3.76
3.86
3.96
G
Nominal gain
SD16GAINx = 8
3 V
7.36
7.62
7.84
SD16GAINx = 16
3 V
14.56
15.04
15.52
SD16GAINx = 32
3 V
27.20
28.35
29.76
E
Offset error
SD16GAINx = 1
3 V
0.2
%FSR
E
OS
Offset error
SD16GAINx = 32
3 V
1.5
%FSR
dE /dT
Offset error
temperature
SD16GAINx = 1
3 V
4
20
ppm
dE
OS
/dT
temperature
coefficient
SD16GAINx = 32
3 V
20
100
ppm
FSR/
_
C
CMRR
Common-mode
SD16GAINx = 1, Common-mode input signal:
V
ID
= 500 mV, f
IN
= 50 Hz, 100 Hz
3 V
90
dB
CMRR
Common mode
rejection ratio
SD16GAINx = 32, Common-mode input signal:
V
ID
= 16 mV, f
IN
= 50 Hz, 100 Hz
3 V
75
dB
PSRR
Power supply
rejection ratio
SD16GAINx = 1
3 V
80
dB
NOTES: 1. Calculated using the box method: (MAX(--40...85
_
C) -- MIN(--40...85
_
C)) / MIN(--40...85
_
C) / (85
_
C -- (--40
_
C))
2. Calculated using the ADC output code and the box method:
(MAX-code(2.5...3.6V) -- MIN-code(2.5...3.6V)) / MIN-code(2.5...3.6V) / (3.6V -- 2.5 V)
Summary of Contents for MSP430FG47x
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