MSP430F15X_14 Datasheet, PDF (48/78 Pages) Texas Instruments – MIXED SIGNAL MICROCONTROLLER

MSP430F15x, MSP430F16x, MSP430F161x
MIXED SIGNAL MICROCONTROLLER
SLAS368G − OCTOBER 2002 − REVISED MARCH 2011
electrical characteristics over recommended operating free-air temperature (unless otherwise
noted)
VOUT
Conversion 1
Conversion 2 Conversion 3
90%
90%
10%
10%
tSRLH
tSRHL
Figure 24. Slew Rate Testing
12-bit DAC, dynamic specifications continued (T_A = 25°C unless otherwise noted)
PARAMETER
TEST CONDITIONS
V_CC
MIN
BW_−3dB
3-dB bandwidth,
V_DC=1.5V, V_AC=0.1V_PP
(see Figure 25)
DAC12AMPx = {2, 3, 4}, DAC12SREFx = 2,
DAC12IR = 1, DAC12_xDAT = 800h
DAC12AMPx = {5, 6}, DAC12SREFx = 2,
DAC12IR = 1, DAC12_xDAT = 800h
DAC12AMPx = 7, DAC12SREFx = 2,
DAC12IR = 1, DAC12_xDAT = 800h
2.2V/3V
40
2.2V/3V 180
2.2V/3V 550
DAC12_0DAT = 800h, No Load,
Channel to channel crosstalk
(see Note 1 and Figure 26)
DAC12_1DAT = 80h<−>F7Fh, R_Load = 3kΩ
f_{DAC12_1OUT} = 10kHz @ 50/50 duty cycle
DAC12_0DAT = 80h<−>F7Fh, R_Load = 3kΩ,
DAC12_1DAT = 800h, No Load
f_{DAC12_0OUT} = 10kHz @ 50/50 duty cycle
NOTES: 1. R_LOAD = 3 kΩ, C_LOAD = 100 pF
2.2V/3V
2.2V/3V
VeREF+
AC
DC
DAC12_x
RLoad = 3 kΩ
ILoad
DACx
AV _CC
2
CLoad = 100pF
TYP MAX UNIT
kHz
−80
dB
−80
VREF+
e
Figure 25. Test Conditions for 3-dB Bandwidth Specification
DAC12_0
DAC12_1
RLoad
ILoad
DAC0
CLoad= 100pF
AV _CC
2
RLoad
ILoad
DAC1
CLoad= 100pF
AV _CC
2
DAC12_xDAT 080h
V _OUT
V _{DAC12_yOUT}
V _{DAC12_xOUT}
Figure 26. Crosstalk Test Conditions
7F7h
080h
fToggle
7F7h
080h
48
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