MSP430FG47x
MIXED SIGNAL MICROCONTROLLER
SLAS580D -- OCTOBER 2008 -- REVISED MARCH 2011
45
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
electrical characteristics over recommended operating free-air temperature (unless otherwise
noted) (continued)
SD16_A, built-in voltage reference
PARAMETER
TEST CONDITIONS
V
CC
MIN
TYP
MAX
UNIT
V
REF
Internal reference
voltage
SD16REFON = 1, SD16VMIDON = 0
3 V
1.14
1.20
1.26
V
I
REF
Reference supply
current
SD16REFON = 1, SD16VMIDON = 0
3 V
175
260
A
TC
Temperature coefficient
SD16REFON = 1, SD16VMIDON = 0 (see Note 1)
3 V
18
50
ppm/K
C
REF
V
REF
load capacitance
SD16REFON = 1, SD16VMIDON = 0 (see Note 2)
100
nF
I
LOAD
V
REF(I)
maximum load
current
SD16REFON = 1, SD16VMIDON = 0
3 V
200
nA
t
ON
Turn on time
SD16REFON = 0-->1, SD16VMIDON = 0,
C
REF
= 100nF
3 V
5
ms
PSRR
Line regulation
SD16REFON = 1, SD16VMIDON = 0
3 V
100
uV/V
NOTES: 1. Calculated using the box method: (MAX(--40...85
_
C) -- MIN(--40...85
_
C))/MIN(--40...85
_
C)/(85C -- (--40
_
C))
2. There is no capacitance required on V
REF
. However, a capacitance of at least 100nF is recommended to reduce any reference
voltage noise.
SD16_A, reference output buffer
PARAMETER
TEST CONDITIONS
V
CC
MIN
TYP
MAX
UNIT
V
REF,BUF
Reference buffer output
voltage
SD16REFON = 1, SD16VMIDON = 1
3 V
1.2
V
I
REF,BUF
Reference
Reference output buffer
quiescent current
SD16REFON = 1, SD16VMIDON = 1
3 V
385
600
A
C
REF(O)
Required load
capacitance on V
REF
SD16REFON = 1, SD16VMIDON = 1
470
nF
I
LOAD,Max
Maximum load current
on V
REF
SD16REFON = 1, SD16VMIDON = 1
3 V
1
mA
Maximum voltage
variation vs load current
|I
LOAD
| = 0 to 1mA
3 V
--15
+15
mV
t
ON
Turn on time
SD16REFON = 0-->1, SD16VMIDON = 1,
C
REF
= 470nF
3 V
100
s
SD16_A, external reference input
PARAMETER
TEST CONDITIONS
V
CC
MIN
TYP
MAX
UNIT
V
REF(I)
Input voltage range
SD16REFON = 0
3 V
1.0
1.25
1.5
V
I
REF(I)
Input current
SD16REFON = 0
3 V
50
nA
Summary of Contents for MSP430FG47x
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