參數(shù)資料
型號(hào)： MSP430F5510IRGC
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, PQCC64
封裝： PLASTIC, VQFN-64
文件頁(yè)數(shù)： 64/99頁(yè)
文件大?。?/td> 1134K
代理商： MSP430F5510IRGC
PRODUCTPREVIEW
MSP430F550x
www.ti.com
SLAS645B – JULY 2009 – REVISED JULY 2010
REF, Built-In Reference
over recommended ranges of supply voltage and operating free-air temperature (unless otherwise noted)
(1)
PARAMETER
TEST CONDITIONS
VCC
MIN
TYP
MAX
UNIT
REFVSEL = {2} for 2.5 V
3 V
2.5
±1%
REFON = 1
Positive built-in reference
REFVSEL = {1} for 2.0 V
VREF+
3 V
2.0
±1%
V
voltage
REFON = 1
REFVSEL = {0} for 1.5 V
2.2 V/ 3 V
1.5
±1%
REFON = 1
REFVSEL = {0} for 1.5 V, reduced
1.8
performance
AVCC minimum voltage,
REFVSEL = {0} for 1.5 V
2.2
AVCC(min)
Positive built-in reference
V
active
REFVSEL = {1} for 2.0 V
2.2
REFVSEL = {2} for 2.5 V
2.7
fADC10CLK = 5.0 MHz
3 V
15.5
21
A
REFON = 1, REFBURST = 0, REF2_5V = 0
Operating supply current
IREF+
into AVCC terminal
(2)
fADC10CLK = 5.0 MHz
3 V
18
24
A
REFON = 1, REFBURST = 0, REF2_5V = 1
Temperature coefficient of
IVREF+ = 0 A
ppm/
TCREF+
30
50
built-in reference(3)
REFVSEL = (0, 1, 2}, REFON = 1
°C
2.2 V
150
180
Operating supply current
REFON = 0, INCH = 0Ah,
ISENSOR
A
into AVCC terminal
(4)
ADC10ON = N A, TA = 30°C
3 V
150
190
2.2 V
TBD
ADC10ON = 1, INCH = 0Ah,
VSENSOR
See (5)
mV
TA = 30°C
3 V
TBD
2.2 V
1.06
1.1
1.14
ADC10ON = 1, INCH = 0Bh,
VMID
AVCC divider at channel 11
V
VMID is ~0.5 × VAVCC
3 V
1.46
1.5
1.54
Sample time required if
ADC10ON = 1, INCH = 0Ah,
tSENSOR(sample)
30
s
channel 10 is selected(6)
Error of conversion result
≤ 1 LSB
Sample time required if
ADC10ON = 1, INCH = 0Bh,
tVMID(sample)
1
s
channel 11 is selected(7)
Error of conversion result
≤ 1 LSB
AVCC = AVCC (min) - AVCC(max)
Power supply rejection ratio
PSRR_DC
TA = 25 °C
TBD
V/V
(dc)
REFVSEL = (0, 1, 2}, REFON = 1
AVCC = AVCC (min) - AVCC(max)
Power supply rejection ratio
TA = 25 °C
PSRR_AC
6.4
mV/V
(ac)
f = 1 kHz,
ΔVpp = 100 mV
REFVSEL = (0, 1, 2}, REFON = 1
Settling time of reference
AVCC = AVCC (min) - AVCC(max)
tSETTLE
75
s
voltage(8)
REFVSEL = (0, 1, 2}, REFON = 0
→ 1
(1)
The leakage current is defined in the leakage current table with P6.x/Ax parameter.
(2)
The internal reference current is supplied via terminal AVCC. Consumption is independent of the ADC10ON control bit, unless a
conversion is active. The REFON bit enables to settle the built-in reference before starting an A/D conversion.
(3)
Calculated using the box method: (MAX(-40 to 85°C) – MIN(-40 to 85°C)) / MIN(-40 to 85°C)/(85°C – (–40°C)).
(4)
The sensor current ISENSOR is consumed if (ADC10ON = 1 and REFON = 1) or (ADC10ON = 1 and INCH = 0Ah and sample signal is
high). When REFON = 1, ISENSOR is already included in IREF+.
(5)
The temperature sensor offset can be as much as ±20°C. A single-point calibration is recommended in order to minimize the offset error
of the built-in temperature sensor.
(6)
The typical equivalent impedance of the sensor is 51 k
. The sample time required includes the sensor-on time tSENSOR(on).
(7)
The on-time tVMID(on) is included in the sampling time tVMID(sample); no additional on time is needed.
(8)
The condition is that the error in a conversion started after tREFON is less than ±0.5 LSB.
Copyright 2009–2010, Texas Instruments Incorporated
67
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