參數(shù)資料
型號(hào): MSP430F2619SKGD1
廠商: TEXAS INSTRUMENTS INC
元件分類: 微控制器/微處理器
英文描述: 16-BIT, FLASH, 16 MHz, RISC MICROCONTROLLER, UUC82
封裝: DIE-82
文件頁數(shù): 65/90頁
文件大?。?/td> 1141K
代理商: MSP430F2619SKGD1
SLAS697A
– MARCH 2010 – REVISED FEBRUARY 2011
12-Bit DAC Reference Input Specifications
– Electrical Characteristics
over recommended ranges of supply voltage and operating free-air temperature (unless otherwise noted)
PARAMETER
TEST CONDITIONS
VCC
MIN
TYP
MAX
UNIT
DAC12IR = 0(1)(2)
AVCC/3
AVCC + 0.2
Reference input voltage
VeREF+
2.2 V/3 V
V
range
DAC12IR = 1(3)(4)
AVCC
AVCC + 0.2
DAC12_0 IR = DAC12_1 IR = 0
20
M
Ω
DAC12_0 IR = 1, DAC12_1 IR = 0
40
48
56
Ri(VREF+),
Reference input
DAC12_0 IR = 0, DAC12_1 IR = 1
2.2 V/3 V
Ri(VeREF+)
reistance
k
Ω
DAC12_0 IR = 0, DAC12_1 IR = 1
20
24
28
DAC12_0 SREFx = DAC12_1
SREFx(5)
(1)
For a full-scale output, the reference input voltage can be as high as 1/3 of the maximum output voltage swing (AVCC).
(2)
The maximum voltage applied at reference input voltage terminal VeREF+ = [AVCC - VE(O)] / [3 x (1 + EG)].
(3)
For a full-scale output, the reference input voltage can be as high as the maximum output voltage swing (AVCC).
(4)
The maximum voltage applied at reference input voltage terminal VeREF+ = [AVCC - VE(O)] / (1 + EG).
(5)
When DAC12IR = 1 and DAC12SREFx = 0 or 1 for both channels, the reference input resistive dividers for each DAC are in parallel
reducing the reference input resistance.
68
2010–2011, Texas Instruments Incorporated
Product Folder Link(s): MSP430F2619S-HT
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