MSP430x15x, MSP430x16x, MSP430x161x
MIXED SIGNAL MICROCONTROLLER
SLAS368E 鈭?OCTOBER 2002 鈭?REVISED AUGUST 2006
electrical characteristics over recommended operating free-air temperature (unless otherwise
noted)
Conversion 1
VOUT
90%
90%
Conversion 2
Conversion 3
10%
10%
tSRLH
tSRHL
Figure 24. Slew Rate Testing
12-bit DAC, dynamic specifications continued (T
A
= 25掳C unless otherwise noted)
PARAMETER
TEST CONDITIONS
DAC12AMPx = {2, 3, 4}, DAC12SREFx = 2,
DAC12IR = 1, DAC12_xDAT = 800h
BW
鈭?dB
3 dB b d idth
3-dB bandwidth,
V
DC
=1.5V, V
AC
=0.1V
PP
(see Figure 25)
DAC12AMPx = {5, 6}, DAC12SREFx = 2,
DAC12IR = 1, DAC12_xDAT = 800h
DAC12AMPx = 7, DAC12SREFx = 2,
DAC12IR = 1, DAC12_xDAT = 800h
DAC12_0DAT = 800h, No Load,
DAC12_1DAT = 80h<鈭?gt;F7Fh, R
Load
= 3k惟
f
DAC12_1OUT
= 10kHz @ 50/50 duty cycle
Channel to channel crosstalk
(see Note 1 and Figure 26)
DAC12_0DAT = 80h<鈭?gt;F7Fh, R
Load
= 3k惟,
DAC12_1DAT = 800h, No Load
f
DAC12_0OUT
= 10kHz @ 50/50 duty cycle
V
CC
2.2V/3V
2.2V/3V
2.2V/3V
MIN
40
180
550
kHz
TYP
MAX
UNIT
2.2V/3V
鈭?0
dB
2.2V/3V
鈭?0
NOTES: 1. R
LOAD
= 3 k惟, C
LOAD
= 100 pF
ILoad
DAC12_x
AC
DC
DACx
CLoad = 100pF
RLoad = 3 k惟
AV CC
2
Ve REF+
Figure 25. Test Conditions for 3-dB Bandwidth Specification
ILoad
DAC12_0
DAC0
CLoad= 100pF
VREF+
ILoad
e
DAC12_1
DAC1
CLoad= 100pF
RLoad
AV CC
2
V DAC12_yOUT
V DAC12_xOUT
fToggle
RLoad
AV CC
2
DAC12_xDAT 080h
V OUT
7F7h
080h
7F7h
080h
Figure 26. Crosstalk Test Conditions
POST OFFICE BOX 655303
鈥?/div>
DALLAS, TEXAS 75265
47
prev
next