MSP430FG47X Datasheet, PDF (49/91 Pages) Texas Instruments – MIXED SIGNAL MICROCONTROLLER

MSP430FG47x
MIXED SIGNAL MICROCONTROLLER
SLAS580D -- OCTOBER 2008 -- REVISED MARCH 2011
electrical characteristics over recommended operating free-air temperature (unless otherwise
noted) (continued)
12-bit DAC, output specifications
PARAMETER
TEST CONDITIONS
No Load, V_REF,DAC12 = AV_CC,
DAC12_xDAT = 0h, DAC12IR = 1,
DAC12AMPx = 7
No Load, V_REF,DAC12 = AV_CC,
DAC12_xDAT = 0FFFh, DAC12IR = 1,
Output voltage
DAC12AMPx = 7
V_O
range (see Note 1,
Figure 23)
R_Load = 3 k, V_REF,DAC12 = AV_CC,
DAC12_xDAT = 0h, DAC12IR = 1,
DAC12AMPx = 7
R_Load = 3 k, V_REF,DAC12 = AV_CC,
DAC12_xDAT = 0FFFh, DAC12IR = 1,
DAC12AMPx = 7
C_L(DAC12)
Max DAC12 load
capacitance
I_L(DAC12)
Max DAC12 load
current
R_Load = 3 k, V_O/P(DAC12)  0.3 V,
DAC12AMPx = 2, DAC12_xDAT = 0h
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
NOTES:
R_Load = 3 k,
0.3V  V_O/P(DAC12)  AV_CC -- 0.3V
1. Data is valid after the offset calibration of the output amplifier.
V_CC
2.2 V/3 V
2.2 V/3 V
2.2 V/3 V
2.2 V/3 V
2.2 V/3 V
2.2V
3V
2.2 V/3 V
2.2 V/3 V
2.2 V/3 V
MIN
0
AV_CC--0.05
0
AV_CC--0.13
--0.5
--1.0
DAC12
ILoad
RLoad
AV _CC
2
RO/P(DAC12_x)
Max
TYP
150
150
1
MAX UNIT
0.005
AV_CC
V
0.1
AV_CC
100 pF
+0.5
+1.0 ^mA
250
250

4
O/P(DAC12_x) ^{CLoad= 100pF}
Min
0.3
Figure 23. DAC12_x Output Resistance Tests
AVCC--0.3V _VOUT
AV _CC
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49