參數(shù)資料
型號： 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)： 66/90頁
文件大?。?/td> 1141K
代理商： MSP430F2619SKGD1
RLoad
AV CC
CLoad = 100pF
2
DAC Output
RO/P(DAC12.x)
ILoad
Conversion 1
Conversion 2
VOUT
Conversion 3
Glitch
Energy
+/- 1/2 LSB
tsettleLH
tsettleHL
= 3 k W
SLAS697A
– MARCH 2010 – REVISED FEBRUARY 2011
12-Bit DAC Dynamic Specifications, VREF = VCC, DAC12IR = 1 – Electrical Characteristics
over recommended ranges of supply voltage and operating free-air temperature (unless otherwise noted)
PARAMETER
TEST CONDITIONS
VCC
MIN
TYP
MAX
UNIT
DAC12AMPx = 0
→ {2, 3, 4}
60
120
DAC12_xDAT = 800h,
tON
SR
ErrorV(O) < ±0.5 LSB
(1)
DAC12AMPx = 0
→ {5, 6}
2.2 V/3 V
15
30
μs
(See Figure 46)
DAC12AMPx = 0
→ 7
6
12
DAC12AMPx = 2
100
200
DAC12_xDAT =
tS(FS)
Settling time, full scale
DAC12AMPx = 3, 5
2.2 V/3 V
40
80
μs
80h
→ F7Fh → 80h
DAC12AMPx = 4, 6, 7
15
30
DAC12AMPx = 2
5
Settling time, code to
DAC12_xDAT =
tS(C-C)
DAC12AMPx = 3, 5
2.2 V/3 V
2
μs
code
3F8h
→ 408h → 3F8h
DAC12AMPx = 4, 6, 7
1
DAC12AMPx = 2
0.05
0.12
DAC12_xDAT =
SR
Slew rate(2)
DAC12AMPx = 3, 5
2.2 V/3 V
0.35
0.7
V/
μs
80h
→ F7Fh → 80h
DAC12AMPx = 4, 6, 7
1.5
2.7
DAC12AMPx = 2
600
DAC12_xDAT =
Glitch energy, full scale
DAC12AMPx = 3, 5
2.2 V/3 V
150
nV-s
80h
→ F7Fh → 80h
DAC12AMPx = 4, 6, 7
30
DAC12AMPx = {2, 3, 4}, DAC12SREFx = 2,
40
DAC12IR = 1, DAC12_xDAT = 800h
3-dB bandwidth,
VDC = 1.5 V,
DAC12AMPx = {5, 6}, DAC12SREFx = 2,
BW-3dB
2.2 V/3 V
180
kHz
VAC = 0.1 VPP
DAC12IR = 1, DAC12_xDAT = 800h
(See Figure 48)
DAC12AMPx = 7, DAC12SREFx = 2,
550
DAC12IR = 1, DAC12_xDAT = 800h
DAC12_0DAT = 800h, No load,
DAC12_1DAT = 80h
F7Fh, RLoad = 3 kΩ,
–80
Channel-to-channel
fDAC12_1OUT = 10 kHz, Duty cycle = 50%
crosstalk(3)
2.2 V/3 V
dB
DAC12_0DAT = 80h
F7Fh, RLoad = 3 kΩ,
(See Figure 49)
DAC12_1DAT = 800h, No load,
–80
fDAC12_0OUT = 10 kHz, Duty cycle = 50%
(1)
RLoad and CLoad are connected to AVSS (not AVCC/2) in Figure 46.
(2)
Slew rate applies to output voltage steps
≥ 200 mV.
(3)
RLOAD = 3 kΩ, CLOAD = 100 pF
Figure 46. Settling Time and Glitch Energy Testing
2010–2011, Texas Instruments Incorporated
69
Product Folder Link(s): MSP430F2619S-HT
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