MSP430F2618-EP Datasheet, PDF (67/92 Pages) Texas Instruments – MIXED SIGNAL MICROCONTROLLER

MSP430F2618- EP
MIXED SIGNAL MICROCONTROLLER
SLAS632 -- DECEMBER 2008
electrical characteristics over recommended operating free-air temperature (unless otherwise
noted) (continued)
12-bit DAC output specifications
PARAMETER
TEST CONDITIONS
V_CC
No Load, Ve_REF+ = AV_CC,
DAC12_xDAT = 0h, DAC12IR = 1,
DAC12AMPx = 7
No Load, Ve_REF+ = AV_CC,
DAC12_xDAT = 0FFFh,
Output voltage range
DAC12IR = 1, DAC12AMPx = 7
V_O
(see Note 1 and Figure 44) _{RLoad= 3 k, VeREF+ = AVCC,}
2.2 V/3 V
DAC12_xDAT = 0h, DAC12IR = 1,
DAC12AMPx = 7
R_Load= 3 k, Ve_REF+ = AV_CC,
DAC12_xDAT = 0FFFh, DAC12IR =
1, DAC12AMPx = 7
C_L(DAC12)
Max DAC12 load
capacitance
2.2 V/3 V
I_L(DAC12)
Max DAC12 load current
R_Load= 3 k, V_O/P(DAC12) = 0 V,
DAC12AMPx = 7, DAC12_xDAT = 0h
2.2V
3V
R_O/P(DAC12)
Output resistance
(see Figure 44)
R_Load= 3 k, V_O/P(DAC12) = AV_CC,
DAC12AMPx = 7,
DAC12_xDAT = 0FFFh
R_Load= 3 k,
0.3 V < V_O/P(DAC12) < AV_CC -- 0.3 V,
DAC12AMPx = 7
NOTE 1: Data is valid after the offset calibration of the output amplifier.
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
O/P(DAC12_x) ^{CLoad= 100pF}
Min
0.3
Figure 44. DAC12_x Output Resistance Tests
TYP MAX UNIT
0.005
AV_CC
V
0.1
AV_CC
100 pF
+0.5
mA
+1.0
150
250
150
250 _
1
4
AVCC--0.3V _VOUT
AV _CC
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