MSP430FG47x
MIXED SIGNAL MICROCONTROLLER
SLAS580D -- OCTOBER 2008 -- REVISED MARCH 2011
46
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
electrical characteristics over recommended operating free-air temperature (unless otherwise
noted) (continued)
12-bit DAC, supply specifications
PARAMETER
TEST CONDITIONS
V
CC
MIN
TYP
MAX
UNIT
AV
CC
Analog supply voltage
AV
CC =
DV
CC
,
AV
SS
= DV
SS
= 0 V
2.20
3.60
V
DAC12AMPx = 2, DAC12IR = 0,
DAC12_xDAT = 0800h
2.2 V/3 V
50
110
I
Supply current
DAC12AMPx = 2, DAC12IR = 1,
DAC12_xDAT = 0800h, V
REF,DAC12 =
AV
CC
2.2 V/3 V
50
110
A
I
DD
Supply current
(see Notes 1 and 2)
DAC12AMPx = 5, DAC12IR = 1,
DAC12_xDAT = 0800h, V
REF,DAC12 =
AV
CC
2.2 V/3 V
200
440
A
DAC12AMPx = 7, DAC12IR = 1,
DAC12_xDAT = 0800h, V
REF,DAC12 =
AV
CC
2.2 V/3 V
700
1500
PSRR
Power supply rejection
ratio (see Notes 3 and 4)
DAC12_xDAT = 800h, V
REF,DAC12
= 1.2 V,
AV
CC
= 100 mV
2.7 V
70
dB
NOTES: 1. No load at the output pin assuming that the control bits for the shared pins are set properly.
2. Current into reference terminals not included. If DAC12IR = 1 current flows through the input divider; see Reference Input
specifications.
3. PSRR = 20*log
AV
CC
/
V
DAC12_xOUT
}.
4. V
REF
is applied externally. The internal reference is not used.
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