參數(shù)資料
型號: MSP430P315S
廠商: Texas Instruments, Inc.
英文描述: MIXED SIGNAL MICROCONTROLLERS
中文描述: 混合信號微處理器
文件頁數(shù): 47/70頁
文件大小: 1176K
代理商: MSP430P315S
SLAS368D
OCTOBER 2002
REVISED MARCH 2005
47
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
electrical characteristics over recommended operating free-air temperature (unless otherwise
noted)
Conversion 1
Conversion 2
VOUT
Conversion 3
10%
tSRLH
tSRHL
90%
10%
90%
Figure 24. Slew Rate Testing
12-bit DAC, dynamic specifications continued (T
A
= 25
°
C unless otherwise noted)
PARAMETER
DAC12AMPx = {2, 3, 4}, DAC12SREFx = 2,
DAC12IR = 1, DAC12_xDAT = 800h
3-dB bandwidth,
V
DC
=1.5V, V
AC
=0.1V
PP
DAC12IR = 1, DAC12_xDAT = 800h
(see Figure 25)
DAC12AMPx = 7, DAC12SREFx = 2,
DAC12IR = 1, DAC12_xDAT = 800h
TEST CONDITIONS
V
CC
MIN
TYP
MAX
UNIT
2.2V/3V
40
BW
3dB
DAC12AMPx = {5, 6}, DAC12SREFx = 2,
2.2V/3V
180
kHz
2.2V/3V
550
DAC12_0DAT = 800h, No Load,
DAC12_1DAT = 80h<
>F7Fh, R
Load
= 3k
f
DAC12_1OUT
= 10kHz @ 50/50 duty cycle
DAC12_0DAT = 80h<
>F7Fh, R
Load
= 3k
,
DAC12_1DAT = 800h, No Load
f
DAC12_0OUT
= 10kHz @ 50/50 duty cycle
2.2V/3V
80
Channel to channel crosstalk
(see Note 1 and Figure 26)
2.2V/3V
80
dB
NOTES:
1. R
LOAD
= 3 k
, C
LOAD
= 100 pF
VeREF+
AC
DC
RLoad
AVCC
2
CLoad = 100pF
ILoad
DAC12_x
DACx
= 3 k
Figure 25. Test Conditions for 3-dB Bandwidth Specification
DAC12_xDAT 080h
VOUT
fToggle
7F7h
VDAC12_yOUT
080h
7F7h
080h
VDAC12_xOUT
REF+
RLoad
AVCC
2
CLoad= 100pF
ILoad
DAC12_1
RLoad
AVCC
2
CLoad= 100pF
ILoad
DAC12_0
DAC0
DAC1
V
Figure 26. Crosstalk Test Conditions
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