MSP430FG47x
MIXED SIGNAL MICROCONTROLLER
SLAS580D -- OCTOBER 2008 -- REVISED MARCH 2011
49
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
electrical characteristics over recommended operating free-air temperature (unless otherwise
noted) (continued)
12-bit DAC, output specifications
PARAMETER
TEST CONDITIONS
V
CC
MIN
TYP
MAX
UNIT
No Load, V
REF,DAC12
= AV
CC
,
DAC12_xDAT = 0h, DAC12IR = 1,
DAC12AMPx = 7
2.2 V/3 V
0
0.005
V
Output voltage
range (see Note 1
No Load, V
REF,DAC12
= AV
CC
,
DAC12_xDAT = 0FFFh, DAC12IR = 1,
DAC12AMPx = 7
2.2 V/3 V
AV
CC
--0.05
AV
CC
V
V
O
range (see Note 1,
Figure 23)
R
Load
= 3 k
, V
REF,DAC12
= AV
CC
,
DAC12_xDAT = 0h, DAC12IR = 1,
DAC12AMPx = 7
2.2 V/3 V
0
0.1
V
R
Load
= 3 k
, V
REF,DAC12
= AV
CC
,
DAC12_xDAT = 0FFFh, DAC12IR = 1,
DAC12AMPx = 7
2.2 V/3 V
AV
CC
--0.13
AV
CC
C
L(DAC12)
Max DAC12 load
capacitance
2.2 V/3 V
100
pF
I
Max DAC12 load
2.2V
--0.5
+0.5
mA
I
L(DAC12)
Max DAC12 load
current
3V
--1.0
+1.0
mA
R
Load
= 3 k
, V
O/P(DAC12)
0.3 V,
DAC12AMPx = 2, DAC12_xDAT = 0h
2.2 V/3 V
150
250
R
O/P(DAC12)
Output resistance
(see Figure 23)
R
Load
= 3 k
, V
O/P(DAC12)
AV
CC
--0.3 V
DAC12_xDAT = 0FFFh
2.2 V/3 V
150
250
(see Figure 23)
R
Load
= 3 k
,
0.3V
V
O/P(DAC12)
AV
CC
-- 0.3V
2.2 V/3 V
1
4
NOTES: 1. Data is valid after the offset calibration of the output amplifier.
RO/P(DAC12_x)
Max
0.3
AVCC
AVCC--0.3V
VOUT
Min
RLoad
AVCC
CLoad= 100pF
2
ILoad
DAC12
O/P(DAC12_x)
Figure 23. DAC12_x Output Resistance Tests
Summary of Contents for MSP430FG47x
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