參數(shù)資料
型號(hào): MSP430FG438IPN
廠商: TEXAS INSTRUMENTS INC
元件分類: 微控制器/微處理器
英文描述: 16-BIT, FLASH, 8 MHz, RISC MICROCONTROLLER, PQFP80
封裝: GREEN, PLASTIC, QFP-80
文件頁數(shù): 38/73頁
文件大小: 1121K
代理商: MSP430FG438IPN
MSP430FG43x
MIXED SIGNAL MICROCONTROLLER
SLAS380C APRIL 2004 REVISED MARCH 2011
43
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
POST OFFICE BOX 1443
HOUSTON, TEXAS 772511443
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 26. Slew Rate Testing
12-bit DAC, dynamic specifications continued (TA = 25°C unless otherwise noted)
PARAMETER
TEST CONDITIONS
VCC
MIN
TYP
MAX
UNIT
3 dB b
d idth
DAC12AMPx = {2, 3, 4}, DAC12SREFx = 2,
DAC12IR = 1, DAC12_xDAT = 800h
2.2V/3V
40
BW3dB
3-dB bandwidth,
VDC=1.5V, VAC=0.1VPP
DAC12AMPx = {5, 6}, DAC12SREFx = 2,
DAC12IR = 1, DAC12_xDAT = 800h
2.2V/3V
180
kHz
DAC12AMPx = 7, DAC12SREFx = 2,
DAC12IR = 1, DAC12_xDAT = 800h
2.2V/3V
550
DAC12_0DAT = 800h, No Load,
DAC12_1DAT = 80h<>F7Fh, RLoad = 3kΩ
fDAC12_1OUT = 10kHz @ 50/50 duty cycle
2.2V/3V
80
dB
Channel-to-channel crosstalk
(see Note 1 and Figure 28)
DAC12_0DAT = 80h<>F7Fh, RLoad = 3kΩ,
DAC12_1DAT = 800h, No Load
fDAC12_0OUT = 10kHz @ 50/50 duty cycle
2.2V/3V
80
dB
NOTES:
1. RLOAD = 3 kΩ, CLOAD = 100 pF
VeREF+
AC
DC
RLoad
AVCC
CLoad= 100pF
2
ILoad
DAC12_x
DACx
= 3 k
Ω
Figure 27. Test Conditions for 3-dB Bandwidth Specification
DAC12_xDAT 080h
V OUT
fToggle
7F7h
V DAC12_yOUT
080h
7F7h
080h
V DAC12_xOUT
e
REF+
RLoad
AVCC
CLoad= 100pF
2
ILoad
DAC12_1
RLoad
AVCC
CLoad= 100pF
2
ILoad
DAC12_0
DAC0
DAC1
V
Figure 28. Crosstalk Test Conditions
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