參數(shù)資料
型號： MSP430F5519IPN
廠商： TEXAS INSTRUMENTS INC
元件分類： 微控制器/微處理器
英文描述： 16-BIT, FLASH, 25 MHz, RISC MICROCONTROLLER, PQFP80
封裝： GREEN, PLASTIC, LQFP-80
文件頁數(shù)： 90/119頁
文件大?。?/td> 1351K
代理商： MSP430F5519IPN
MSP430F551x
MSP430F552x
SLAS590E
– MARCH 2009 – REVISED APRIL 2011
REF, Built-In Reference (continued)
over recommended ranges of supply voltage and operating free-air temperature (unless otherwise noted)
PARAMETER
TEST CONDITIONS
VCC
MIN
TYP
MAX
UNIT
REFVSEL = (0, 1, 2}
Load-current regulation,
IVREF+ = +10 A/–1000 A
IL(VREF+)
2500
V/mA
VREF+ terminal
(4)
AVCC = AVCC (min) for each reference level.
REFVSEL = (0, 1, 2}, REFON = REFOUT = 1
Capacitance at VREF+/-
CVREF+/-
REFON = REFOUT = 1(5)
20
100
pF
terminals
IVREF+ = 0 A
Temperature coefficient of
ppm/
°
TCREF+
REFVSEL = (0, 1, 2}, REFON = 1,
30
50
built-in reference(6)
C
REFOUT = 0 or 1
AVCC = AVCC (min) - AVCC(max)
Power supply rejection ratio
TA = 25°C
PSRR_DC
120
300
V/V
(DC)
REFVSEL = (0, 1, 2}, REFON = 1,
REFOUT = 0 or 1
AVCC = AVCC (min) - AVCC(max)
TA = 25°C
Power supply rejection ratio
PSRR_AC
f = 1 kHz,
ΔVpp = 100 mV
6.4
mV/V
(AC)
REFVSEL = (0, 1, 2}, REFON = 1,
REFOUT = 0 or 1
AVCC = AVCC (min) - AVCC(max)
REFVSEL = (0, 1, 2}, REFOUT = 0,
75
REFON = 0
→ 1
Settling time of reference
tSETTLE
s
AVCC = AVCC (min) - AVCC(max)
voltage(7)
CVREF = CVREF(max)
75
REFVSEL = (0, 1, 2}, REFOUT = 1,
REFON = 0
→ 1
(4)
Contribution only due to the reference and buffer including package. This does not include resistance due to PCB trace, etc.
(5)
Two decoupling capacitors, 10
F and 100nF, should be connected to VREF to decouple the dynamic current required for an external
reference source if it is used for the ADC12_A. See also the MSP430x5xx Family User
's Guide (SLAU208).
(6)
Calculated using the box method: (MAX(-40 to 85
°C) – MIN(-40 to 85°C)) / MIN(-40 to 85°C)/(85°C – (–40°C)).
(7)
The condition is that the error in a conversion started after tREFON is less than ±0.5 LSB. The settling time depends on the external
capacitive load when REFOUT = 1.
72
Copyright
2009–2011, Texas Instruments Incorporated
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